Fix preprocessor indentation.
[openssl.git] / test / ectest.c
index c8893f9..37bffc6 100644 (file)
@@ -1,60 +1,12 @@
-/* crypto/ec/ectest.c */
 /*
- * Originally written by Bodo Moeller for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com).  This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2001-2017 The OpenSSL Project Authors. All Rights Reserved.
  *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
+
 /* ====================================================================
  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
  *
  *
  */
 
-#include <stdio.h>
-#include <stdlib.h>
-#ifdef FLAT_INC
-# include "e_os.h"
-#else
-# include "../e_os.h"
-#endif
-#include <string.h>
-#include <time.h>
-
-#ifdef OPENSSL_NO_EC
-int main(int argc, char *argv[])
-{
-    puts("Elliptic curves are disabled.");
-    return 0;
-}
-#else
+#include "e_os.h"
+#include "testutil.h"
 
+#ifndef OPENSSL_NO_EC
 # include <openssl/ec.h>
 # ifndef OPENSSL_NO_ENGINE
 #  include <openssl/engine.h>
@@ -103,102 +41,81 @@ int main(int argc, char *argv[])
 #  pragma warning(disable:4959)
 # endif
 
-# define ABORT do { \
-        fflush(stdout); \
-        fprintf(stderr, "%s:%d: ABORT\n", __FILE__, __LINE__); \
-        ERR_print_errors_fp(stderr); \
-        EXIT(1); \
-} while (0)
-
-# define TIMING_BASE_PT 0
-# define TIMING_RAND_PT 1
-# define TIMING_SIMUL 2
+static size_t crv_len = 0;
+static EC_builtin_curve *curves = NULL;
 
 /* test multiplication with group order, long and negative scalars */
-static void group_order_tests(EC_GROUP *group)
+static int group_order_tests(EC_GROUP *group)
 {
-    BIGNUM *n1, *n2, *order;
-    EC_POINT *P = EC_POINT_new(group);
-    EC_POINT *Q = EC_POINT_new(group);
-    BN_CTX *ctx = BN_CTX_new();
-    int i;
-
-    n1 = BN_new();
-    n2 = BN_new();
-    order = BN_new();
-    fprintf(stdout, "verify group order ...");
-    fflush(stdout);
-    if (!EC_GROUP_get_order(group, order, ctx))
-        ABORT;
-    if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, Q))
-        ABORT;
-    fprintf(stdout, ".");
-    fflush(stdout);
-    if (!EC_GROUP_precompute_mult(group, ctx))
-        ABORT;
-    if (!EC_POINT_mul(group, Q, order, NULL, NULL, ctx))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, Q))
-        ABORT;
-    fprintf(stdout, " ok\n");
-    fprintf(stdout, "long/negative scalar tests ");
+    BIGNUM *n1 = NULL, *n2 = NULL, *order = NULL;
+    EC_POINT *P = NULL, *Q = NULL, *R = NULL, *S = NULL;
+    BN_CTX *ctx = NULL;
+    int i = 0, r = 0;
+
+    if (!TEST_ptr(n1 = BN_new())
+        || !TEST_ptr(n2 = BN_new())
+        || !TEST_ptr(order = BN_new())
+        || !TEST_ptr(ctx = BN_CTX_new())
+        || !TEST_ptr(P = EC_POINT_new(group))
+        || !TEST_ptr(Q = EC_POINT_new(group))
+        || !TEST_ptr(R = EC_POINT_new(group))
+        || !TEST_ptr(S = EC_POINT_new(group)))
+        goto err;
+
+    if (!TEST_true(EC_GROUP_get_order(group, order, ctx))
+        || !TEST_true(EC_POINT_mul(group, Q, order, NULL, NULL, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, Q))
+        || !TEST_true(EC_GROUP_precompute_mult(group, ctx))
+        || !TEST_true(EC_POINT_mul(group, Q, order, NULL, NULL, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, Q)))
+        goto err;
+
     for (i = 1; i <= 2; i++) {
         const BIGNUM *scalars[6];
         const EC_POINT *points[6];
 
-        fprintf(stdout, i == 1 ?
-                "allowing precomputation ... " :
-                "without precomputation ... ");
-        if (!BN_set_word(n1, i))
-            ABORT;
-        /*
-         * If i == 1, P will be the predefined generator for which
-         * EC_GROUP_precompute_mult has set up precomputation.
-         */
-        if (!EC_POINT_mul(group, P, n1, NULL, NULL, ctx))
-            ABORT;
-
-        if (!BN_one(n1))
-            ABORT;
-        /* n1 = 1 - order */
-        if (!BN_sub(n1, n1, order))
-            ABORT;
-        if (!EC_POINT_mul(group, Q, NULL, P, n1, ctx))
-            ABORT;
-        if (0 != EC_POINT_cmp(group, Q, P, ctx))
-            ABORT;
-
-        /* n2 = 1 + order */
-        if (!BN_add(n2, order, BN_value_one()))
-            ABORT;
-        if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx))
-            ABORT;
-        if (0 != EC_POINT_cmp(group, Q, P, ctx))
-            ABORT;
-
-        /* n2 = (1 - order) * (1 + order) = 1 - order^2 */
-        if (!BN_mul(n2, n1, n2, ctx))
-            ABORT;
-        if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx))
-            ABORT;
-        if (0 != EC_POINT_cmp(group, Q, P, ctx))
-            ABORT;
+        if (!TEST_true(BN_set_word(n1, i))
+            /*
+             * If i == 1, P will be the predefined generator for which
+             * EC_GROUP_precompute_mult has set up precomputation.
+             */
+            || !TEST_true(EC_POINT_mul(group, P, n1, NULL, NULL, ctx))
+            || !TEST_true(BN_one(n1))
+            /* n1 = 1 - order */
+            || !TEST_true(BN_sub(n1, n1, order))
+            || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n1, ctx))
+            || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx))
+
+            /* n2 = 1 + order */
+            || !TEST_true(BN_add(n2, order, BN_value_one()))
+            || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx))
+            || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx))
+
+            /* n2 = (1 - order) * (1 + order) = 1 - order^2 */
+            || !TEST_true(BN_mul(n2, n1, n2, ctx))
+            || !TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx))
+            || !TEST_int_eq(0, EC_POINT_cmp(group, Q, P, ctx)))
+            goto err;
 
         /* n2 = order^2 - 1 */
         BN_set_negative(n2, 0);
-        if (!EC_POINT_mul(group, Q, NULL, P, n2, ctx))
-            ABORT;
-        /* Add P to verify the result. */
-        if (!EC_POINT_add(group, Q, Q, P, ctx))
-            ABORT;
-        if (!EC_POINT_is_at_infinity(group, Q))
-            ABORT;
-
-        /* Exercise EC_POINTs_mul, including corner cases. */
-        if (EC_POINT_is_at_infinity(group, P))
-            ABORT;
+        if (!TEST_true(EC_POINT_mul(group, Q, NULL, P, n2, ctx))
+            /* Add P to verify the result. */
+            || !TEST_true(EC_POINT_add(group, Q, Q, P, ctx))
+            || !TEST_true(EC_POINT_is_at_infinity(group, Q))
+
+            /* Exercise EC_POINTs_mul, including corner cases. */
+            || !TEST_false(EC_POINT_is_at_infinity(group, P)))
+            goto err;
+
+        scalars[0] = scalars[1] = BN_value_one();
+        points[0]  = points[1]  = P;
+
+        if (!TEST_true(EC_POINTs_mul(group, R, NULL, 2, points, scalars, ctx))
+            || !TEST_true(EC_POINT_dbl(group, S, points[0], ctx))
+            || !TEST_int_eq(0, EC_POINT_cmp(group, R, S, ctx)))
+            goto err;
+
         scalars[0] = n1;
         points[0] = Q;          /* => infinity */
         scalars[1] = n2;
@@ -211,1125 +128,1012 @@ static void group_order_tests(EC_GROUP *group)
         points[4] = P;          /* => P */
         scalars[5] = n2;
         points[5] = Q;          /* => infinity */
-        if (!EC_POINTs_mul(group, P, NULL, 6, points, scalars, ctx))
-            ABORT;
-        if (!EC_POINT_is_at_infinity(group, P))
-            ABORT;
+        if (!TEST_true(EC_POINTs_mul(group, P, NULL, 6, points, scalars, ctx))
+            || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+            goto err;
     }
-    fprintf(stdout, "ok\n");
 
+    r = 1;
+err:
+    if (r == 0 && i != 0)
+        TEST_info(i == 1 ? "allowing precomputation" :
+                           "without precomputation");
     EC_POINT_free(P);
     EC_POINT_free(Q);
+    EC_POINT_free(R);
+    EC_POINT_free(S);
     BN_free(n1);
     BN_free(n2);
     BN_free(order);
     BN_CTX_free(ctx);
+    return r;
 }
 
-static void prime_field_tests(void)
+static int prime_field_tests(void)
 {
     BN_CTX *ctx = NULL;
-    BIGNUM *p, *a, *b;
-    EC_GROUP *group;
-    EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL, *P_256 =
-        NULL, *P_384 = NULL, *P_521 = NULL;
-    EC_POINT *P, *Q, *R;
-    BIGNUM *x, *y, *z;
+    BIGNUM *p = NULL, *a = NULL, *b = NULL, *scalar3 = NULL;
+    EC_GROUP *group = NULL, *tmp = NULL;
+    EC_GROUP *P_160 = NULL, *P_192 = NULL, *P_224 = NULL,
+             *P_256 = NULL, *P_384 = NULL, *P_521 = NULL;
+    EC_POINT *P = NULL, *Q = NULL, *R = NULL;
+    BIGNUM *x = NULL, *y = NULL, *z = NULL, *yplusone = NULL;
+    const EC_POINT *points[4];
+    const BIGNUM *scalars[4];
     unsigned char buf[100];
-    size_t i, len;
+    size_t len, r = 0;
     int k;
 
-    ctx = BN_CTX_new();
-    if (!ctx)
-        ABORT;
-
-    p = BN_new();
-    a = BN_new();
-    b = BN_new();
-    if (!p || !a || !b)
-        ABORT;
-
-    if (!BN_hex2bn(&p, "17"))
-        ABORT;
-    if (!BN_hex2bn(&a, "1"))
-        ABORT;
-    if (!BN_hex2bn(&b, "1"))
-        ABORT;
-
-    group = EC_GROUP_new(EC_GFp_mont_method()); /* applications should use
-                                                 * EC_GROUP_new_curve_GFp so
-                                                 * that the library gets to
-                                                 * choose the EC_METHOD */
-    if (!group)
-        ABORT;
-
-    if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
-        ABORT;
+    if (!TEST_ptr(ctx = BN_CTX_new())
+        || !TEST_ptr(p = BN_new())
+        || !TEST_ptr(a = BN_new())
+        || !TEST_ptr(b = BN_new())
+        || !TEST_true(BN_hex2bn(&p, "17"))
+        || !TEST_true(BN_hex2bn(&a, "1"))
+        || !TEST_true(BN_hex2bn(&b, "1"))
+        /*
+         * applications should use EC_GROUP_new_curve_GFp so
+         * that the library gets to choose the EC_METHOD
+         */
+        || !TEST_ptr(group = EC_GROUP_new(EC_GFp_mont_method()))
+        || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
+        || !TEST_ptr(tmp = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(tmp, group)))
+        goto err;
+    EC_GROUP_free(group);
+    group = tmp;
+    tmp = NULL;
 
-    {
-        EC_GROUP *tmp;
-        tmp = EC_GROUP_new(EC_GROUP_method_of(group));
-        if (!tmp)
-            ABORT;
-        if (!EC_GROUP_copy(tmp, group))
-            ABORT;
-        EC_GROUP_free(group);
-        group = tmp;
-    }
+    if (!TEST_true(EC_GROUP_get_curve_GFp(group, p, a, b, ctx)))
+        goto err;
 
-    if (!EC_GROUP_get_curve_GFp(group, p, a, b, ctx))
-        ABORT;
-
-    fprintf(stdout,
-            "Curve defined by Weierstrass equation\n     y^2 = x^3 + a*x + b  (mod 0x");
-    BN_print_fp(stdout, p);
-    fprintf(stdout, ")\n     a = 0x");
-    BN_print_fp(stdout, a);
-    fprintf(stdout, "\n     b = 0x");
-    BN_print_fp(stdout, b);
-    fprintf(stdout, "\n");
-
-    P = EC_POINT_new(group);
-    Q = EC_POINT_new(group);
-    R = EC_POINT_new(group);
-    if (!P || !Q || !R)
-        ABORT;
-
-    if (!EC_POINT_set_to_infinity(group, P))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, P))
-        ABORT;
+    TEST_info("Curve defined by Weierstrass equation");
+    TEST_note("     y^2 = x^3 + a*x + b (mod p)");
+    test_output_bignum("a", a);
+    test_output_bignum("b", b);
+    test_output_bignum("p", p);
 
     buf[0] = 0;
-    if (!EC_POINT_oct2point(group, Q, buf, 1, ctx))
-        ABORT;
-
-    if (!EC_POINT_add(group, P, P, Q, ctx))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, P))
-        ABORT;
-
-    x = BN_new();
-    y = BN_new();
-    z = BN_new();
-    if (!x || !y || !z)
-        ABORT;
-
-    if (!BN_hex2bn(&x, "D"))
-        ABORT;
-    if (!EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) {
-        if (!EC_POINT_get_affine_coordinates_GFp(group, Q, x, y, ctx))
-            ABORT;
-        fprintf(stderr, "Point is not on curve: x = 0x");
-        BN_print_fp(stderr, x);
-        fprintf(stderr, ", y = 0x");
-        BN_print_fp(stderr, y);
-        fprintf(stderr, "\n");
-        ABORT;
+    if (!TEST_ptr(P = EC_POINT_new(group))
+        || !TEST_ptr(Q = EC_POINT_new(group))
+        || !TEST_ptr(R = EC_POINT_new(group))
+        || !TEST_true(EC_POINT_set_to_infinity(group, P))
+        || !TEST_true(EC_POINT_is_at_infinity(group, P))
+        || !TEST_true(EC_POINT_oct2point(group, Q, buf, 1, ctx))
+        || !TEST_true(EC_POINT_add(group, P, P, Q, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, P))
+        || !TEST_ptr(x = BN_new())
+        || !TEST_ptr(y = BN_new())
+        || !TEST_ptr(z = BN_new())
+        || !TEST_ptr(yplusone = BN_new())
+        || !TEST_true(BN_hex2bn(&x, "D"))
+        || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, Q, x, 1,
+                                                              ctx)))
+        goto err;
+
+    if (!TEST_int_gt(EC_POINT_is_on_curve(group, Q, ctx), 0)) {
+        if (!TEST_true(EC_POINT_get_affine_coordinates_GFp(group, Q, x, y,
+                                                           ctx)))
+            goto err;
+        TEST_info("Point is not on curve");
+        test_output_bignum("x", x);
+        test_output_bignum("y", y);
+        goto err;
     }
 
-    fprintf(stdout, "A cyclic subgroup:\n");
+    TEST_note("A cyclic subgroup:");
     k = 100;
     do {
-        if (k-- == 0)
-            ABORT;
-
-        if (EC_POINT_is_at_infinity(group, P))
-            fprintf(stdout, "     point at infinity\n");
-        else {
-            if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
-                ABORT;
-
-            fprintf(stdout, "     x = 0x");
-            BN_print_fp(stdout, x);
-            fprintf(stdout, ", y = 0x");
-            BN_print_fp(stdout, y);
-            fprintf(stdout, "\n");
+        if (!TEST_int_ne(k--, 0))
+            goto err;
+
+        if (EC_POINT_is_at_infinity(group, P)) {
+            TEST_note("     point at infinity");
+        } else {
+            if (!TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y,
+                                                               ctx)))
+                goto err;
+
+            test_output_bignum("x", x);
+            test_output_bignum("y", y);
         }
 
-        if (!EC_POINT_copy(R, P))
-            ABORT;
-        if (!EC_POINT_add(group, P, P, Q, ctx))
-            ABORT;
+        if (!TEST_true(EC_POINT_copy(R, P))
+            || !TEST_true(EC_POINT_add(group, P, P, Q, ctx)))
+            goto err;
 
-    }
-    while (!EC_POINT_is_at_infinity(group, P));
+    } while (!EC_POINT_is_at_infinity(group, P));
 
-    if (!EC_POINT_add(group, P, Q, R, ctx))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, P))
-        ABORT;
+    if (!TEST_true(EC_POINT_add(group, P, Q, R, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+        goto err;
 
     len =
         EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf,
                            sizeof buf, ctx);
-    if (len == 0)
-        ABORT;
-    if (!EC_POINT_oct2point(group, P, buf, len, ctx))
-        ABORT;
-    if (0 != EC_POINT_cmp(group, P, Q, ctx))
-        ABORT;
-    fprintf(stdout, "Generator as octet string, compressed form:\n     ");
-    for (i = 0; i < len; i++)
-        fprintf(stdout, "%02X", buf[i]);
-
-    len =
-        EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf,
-                           sizeof buf, ctx);
-    if (len == 0)
-        ABORT;
-    if (!EC_POINT_oct2point(group, P, buf, len, ctx))
-        ABORT;
-    if (0 != EC_POINT_cmp(group, P, Q, ctx))
-        ABORT;
-    fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n     ");
-    for (i = 0; i < len; i++)
-        fprintf(stdout, "%02X", buf[i]);
-
-    len =
-        EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf,
-                           ctx);
-    if (len == 0)
-        ABORT;
-    if (!EC_POINT_oct2point(group, P, buf, len, ctx))
-        ABORT;
-    if (0 != EC_POINT_cmp(group, P, Q, ctx))
-        ABORT;
-    fprintf(stdout, "\nGenerator as octet string, hybrid form:\n     ");
-    for (i = 0; i < len; i++)
-        fprintf(stdout, "%02X", buf[i]);
-
-    if (!EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z, ctx))
-        ABORT;
-    fprintf(stdout,
-            "\nA representation of the inverse of that generator in\nJacobian projective coordinates:\n     X = 0x");
-    BN_print_fp(stdout, x);
-    fprintf(stdout, ", Y = 0x");
-    BN_print_fp(stdout, y);
-    fprintf(stdout, ", Z = 0x");
-    BN_print_fp(stdout, z);
-    fprintf(stdout, "\n");
-
-    if (!EC_POINT_invert(group, P, ctx))
-        ABORT;
-    if (0 != EC_POINT_cmp(group, P, R, ctx))
-        ABORT;
+    if (!TEST_size_t_ne(len, 0)
+        || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+        goto err;
+    test_output_memory("Generator as octet string, compressed form:",
+                       buf, len);
+
+    len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED,
+                             buf, sizeof buf, ctx);
+    if (!TEST_size_t_ne(len, 0)
+        || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+        goto err;
+    test_output_memory("Generator as octet string, uncompressed form:",
+                       buf, len);
+
+    len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID,
+                             buf, sizeof buf, ctx);
+    if (!TEST_size_t_ne(len, 0)
+        || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+        goto err;
+    test_output_memory("Generator as octet string, hybrid form:",
+                       buf, len);
+
+    if (!TEST_true(EC_POINT_get_Jprojective_coordinates_GFp(group, R, x, y, z,
+                                                            ctx)))
+        goto err;
+    TEST_info("A representation of the inverse of that generator in");
+    TEST_note("Jacobian projective coordinates");
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
+    test_output_bignum("z", z);
+
+    if (!TEST_true(EC_POINT_invert(group, P, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))
 
     /*
      * Curve secp160r1 (Certicom Research SEC 2 Version 1.0, section 2.4.2,
      * 2000) -- not a NIST curve, but commonly used
      */
 
-    if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"))
-        ABORT;
-    if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
-        ABORT;
-    if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"))
-        ABORT;
-    if (!BN_hex2bn(&b, "1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45"))
-        ABORT;
-    if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
-        ABORT;
-
-    if (!BN_hex2bn(&x, "4A96B5688EF573284664698968C38BB913CBFC82"))
-        ABORT;
-    if (!BN_hex2bn(&y, "23a628553168947d59dcc912042351377ac5fb32"))
-        ABORT;
-    if (!EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
-        ABORT;
-    if (!BN_hex2bn(&z, "0100000000000000000001F4C8F927AED3CA752257"))
-        ABORT;
-    if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
-        ABORT;
-
-    if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
-        ABORT;
-    fprintf(stdout, "\nSEC2 curve secp160r1 -- Generator:\n     x = 0x");
-    BN_print_fp(stdout, x);
-    fprintf(stdout, "\n     y = 0x");
-    BN_print_fp(stdout, y);
-    fprintf(stdout, "\n");
+        || !TEST_true(BN_hex2bn(&p,                         "FFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF"))
+        || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
+        || !TEST_true(BN_hex2bn(&a,                         "FFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC"))
+        || !TEST_true(BN_hex2bn(&b,                         "1C97BEFC"
+                                    "54BD7A8B65ACF89F81D4D4ADC565FA45"))
+        || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
+        || !TEST_true(BN_hex2bn(&x,                         "4A96B568"
+                                    "8EF573284664698968C38BB913CBFC82"))
+        || !TEST_true(BN_hex2bn(&y,                         "23a62855"
+                                    "3168947d59dcc912042351377ac5fb32"))
+        || !TEST_true(BN_add(yplusone, y, BN_value_one()))
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+        || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,
+                                                           yplusone, ctx))
+        || !TEST_true(EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(BN_hex2bn(&z,                       "0100000000"
+                                    "000000000001F4C8F927AED3CA752257"))
+        || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+        || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))
+        goto err;
+    TEST_info("SEC2 curve secp160r1 -- Generator");
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
     /* G_y value taken from the standard: */
-    if (!BN_hex2bn(&z, "23a628553168947d59dcc912042351377ac5fb32"))
-        ABORT;
-    if (0 != BN_cmp(y, z))
-        ABORT;
-
-    fprintf(stdout, "verify degree ...");
-    if (EC_GROUP_get_degree(group) != 160)
-        ABORT;
-    fprintf(stdout, " ok\n");
-
-    group_order_tests(group);
-
-    if ((P_160 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
-        ABORT;
-    if (!EC_GROUP_copy(P_160, group))
-        ABORT;
+    if (!TEST_true(BN_hex2bn(&z,                         "23a62855"
+                                 "3168947d59dcc912042351377ac5fb32"))
+        || !TEST_BN_eq(y, z)
+        || !TEST_int_eq(EC_GROUP_get_degree(group), 160)
+        || !group_order_tests(group)
+        || !TEST_ptr(P_160 = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(P_160, group))
 
     /* Curve P-192 (FIPS PUB 186-2, App. 6) */
 
-    if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"))
-        ABORT;
-    if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
-        ABORT;
-    if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"))
-        ABORT;
-    if (!BN_hex2bn(&b, "64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1"))
-        ABORT;
-    if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
-        ABORT;
-
-    if (!BN_hex2bn(&x, "188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"))
-        ABORT;
-    if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
-        ABORT;
-    if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831"))
-        ABORT;
-    if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
-        ABORT;
-
-    if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
-        ABORT;
-    fprintf(stdout, "\nNIST curve P-192 -- Generator:\n     x = 0x");
-    BN_print_fp(stdout, x);
-    fprintf(stdout, "\n     y = 0x");
-    BN_print_fp(stdout, y);
-    fprintf(stdout, "\n");
+        || !TEST_true(BN_hex2bn(&p,                 "FFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF"))
+        || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
+        || !TEST_true(BN_hex2bn(&a,                 "FFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC"))
+        || !TEST_true(BN_hex2bn(&b,                 "64210519E59C80E7"
+                                    "0FA7E9AB72243049FEB8DEECC146B9B1"))
+        || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
+        || !TEST_true(BN_hex2bn(&x,                 "188DA80EB03090F6"
+                                    "7CBF20EB43A18800F4FF0AFD82FF1012"))
+        || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1,
+                                                              ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(BN_hex2bn(&z,                 "FFFFFFFFFFFFFFFF"
+                                    "FFFFFFFF99DEF836146BC9B1B4D22831"))
+        || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+        || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))
+        goto err;
+
+    TEST_info("NIST curve P-192 -- Generator");
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
     /* G_y value taken from the standard: */
-    if (!BN_hex2bn(&z, "07192B95FFC8DA78631011ED6B24CDD573F977A11E794811"))
-        ABORT;
-    if (0 != BN_cmp(y, z))
-        ABORT;
-
-    fprintf(stdout, "verify degree ...");
-    if (EC_GROUP_get_degree(group) != 192)
-        ABORT;
-    fprintf(stdout, " ok\n");
-
-    group_order_tests(group);
-
-    if ((P_192 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
-        ABORT;
-    if (!EC_GROUP_copy(P_192, group))
-        ABORT;
+    if (!TEST_true(BN_hex2bn(&z,                 "07192B95FFC8DA78"
+                                 "631011ED6B24CDD573F977A11E794811"))
+        || !TEST_BN_eq(y, z)
+        || !TEST_true(BN_add(yplusone, y, BN_value_one()))
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+        || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,
+                                                           yplusone, ctx))
+        || !TEST_int_eq(EC_GROUP_get_degree(group), 192)
+        || !group_order_tests(group)
+        || !TEST_ptr(P_192 = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(P_192, group))
 
     /* Curve P-224 (FIPS PUB 186-2, App. 6) */
 
-    if (!BN_hex2bn
-        (&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001"))
-        ABORT;
-    if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
-        ABORT;
-    if (!BN_hex2bn
-        (&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"))
-        ABORT;
-    if (!BN_hex2bn
-        (&b, "B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4"))
-        ABORT;
-    if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
-        ABORT;
-
-    if (!BN_hex2bn
-        (&x, "B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"))
-        ABORT;
-    if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
-        ABORT;
-    if (!BN_hex2bn
-        (&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D"))
-        ABORT;
-    if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
-        ABORT;
-
-    if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
-        ABORT;
-    fprintf(stdout, "\nNIST curve P-224 -- Generator:\n     x = 0x");
-    BN_print_fp(stdout, x);
-    fprintf(stdout, "\n     y = 0x");
-    BN_print_fp(stdout, y);
-    fprintf(stdout, "\n");
+        || !TEST_true(BN_hex2bn(&p,         "FFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFF000000000000000000000001"))
+        || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
+        || !TEST_true(BN_hex2bn(&a,         "FFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE"))
+        || !TEST_true(BN_hex2bn(&b,         "B4050A850C04B3ABF5413256"
+                                    "5044B0B7D7BFD8BA270B39432355FFB4"))
+        || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
+        || !TEST_true(BN_hex2bn(&x,         "B70E0CBD6BB4BF7F321390B9"
+                                    "4A03C1D356C21122343280D6115C1D21"))
+        || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0,
+                                                              ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(BN_hex2bn(&z,         "FFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFF16A2E0B8F03E13DD29455C5C2A3D"))
+        || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+        || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))
+        goto err;
+
+    TEST_info("NIST curve P-224 -- Generator");
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
     /* G_y value taken from the standard: */
-    if (!BN_hex2bn
-        (&z, "BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34"))
-        ABORT;
-    if (0 != BN_cmp(y, z))
-        ABORT;
-
-    fprintf(stdout, "verify degree ...");
-    if (EC_GROUP_get_degree(group) != 224)
-        ABORT;
-    fprintf(stdout, " ok\n");
-
-    group_order_tests(group);
-
-    if ((P_224 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
-        ABORT;
-    if (!EC_GROUP_copy(P_224, group))
-        ABORT;
+    if (!TEST_true(BN_hex2bn(&z,         "BD376388B5F723FB4C22DFE6"
+                                 "CD4375A05A07476444D5819985007E34"))
+        || !TEST_BN_eq(y, z)
+        || !TEST_true(BN_add(yplusone, y, BN_value_one()))
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+        || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,
+                                                           yplusone, ctx))
+        || !TEST_int_eq(EC_GROUP_get_degree(group), 224)
+        || !group_order_tests(group)
+        || !TEST_ptr(P_224 = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(P_224, group))
 
     /* Curve P-256 (FIPS PUB 186-2, App. 6) */
 
-    if (!BN_hex2bn
-        (&p,
-         "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF"))
-        ABORT;
-    if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
-        ABORT;
-    if (!BN_hex2bn
-        (&a,
-         "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC"))
-        ABORT;
-    if (!BN_hex2bn
-        (&b,
-         "5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B"))
-        ABORT;
-    if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
-        ABORT;
-
-    if (!BN_hex2bn
-        (&x,
-         "6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"))
-        ABORT;
-    if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
-        ABORT;
-    if (!BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E"
-                   "84F3B9CAC2FC632551"))
-        ABORT;
-    if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
-        ABORT;
-
-    if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
-        ABORT;
-    fprintf(stdout, "\nNIST curve P-256 -- Generator:\n     x = 0x");
-    BN_print_fp(stdout, x);
-    fprintf(stdout, "\n     y = 0x");
-    BN_print_fp(stdout, y);
-    fprintf(stdout, "\n");
+        || !TEST_true(BN_hex2bn(&p, "FFFFFFFF000000010000000000000000"
+                                    "00000000FFFFFFFFFFFFFFFFFFFFFFFF"))
+        || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
+        || !TEST_true(BN_hex2bn(&a, "FFFFFFFF000000010000000000000000"
+                                    "00000000FFFFFFFFFFFFFFFFFFFFFFFC"))
+        || !TEST_true(BN_hex2bn(&b, "5AC635D8AA3A93E7B3EBBD55769886BC"
+                                    "651D06B0CC53B0F63BCE3C3E27D2604B"))
+        || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
+
+        || !TEST_true(BN_hex2bn(&x, "6B17D1F2E12C4247F8BCE6E563A440F2"
+                                    "77037D812DEB33A0F4A13945D898C296"))
+        || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1,
+                                                              ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(BN_hex2bn(&z, "FFFFFFFF00000000FFFFFFFFFFFFFFFF"
+                                    "BCE6FAADA7179E84F3B9CAC2FC632551"))
+        || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+        || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))
+        goto err;
+
+    TEST_info("NIST curve P-256 -- Generator");
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
     /* G_y value taken from the standard: */
-    if (!BN_hex2bn
-        (&z,
-         "4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5"))
-        ABORT;
-    if (0 != BN_cmp(y, z))
-        ABORT;
-
-    fprintf(stdout, "verify degree ...");
-    if (EC_GROUP_get_degree(group) != 256)
-        ABORT;
-    fprintf(stdout, " ok\n");
-
-    group_order_tests(group);
-
-    if ((P_256 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
-        ABORT;
-    if (!EC_GROUP_copy(P_256, group))
-        ABORT;
+    if (!TEST_true(BN_hex2bn(&z, "4FE342E2FE1A7F9B8EE7EB4A7C0F9E16"
+                                 "2BCE33576B315ECECBB6406837BF51F5"))
+        || !TEST_BN_eq(y, z)
+        || !TEST_true(BN_add(yplusone, y, BN_value_one()))
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+        || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,
+                                                           yplusone, ctx))
+        || !TEST_int_eq(EC_GROUP_get_degree(group), 256)
+        || !group_order_tests(group)
+        || !TEST_ptr(P_256 = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(P_256, group))
 
     /* Curve P-384 (FIPS PUB 186-2, App. 6) */
 
-    if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-                   "FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF"))
-        ABORT;
-    if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
-        ABORT;
-    if (!BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-                   "FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFC"))
-        ABORT;
-    if (!BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19181D9C6EFE8141"
-                   "120314088F5013875AC656398D8A2ED19D2A85C8EDD3EC2AEF"))
-        ABORT;
-    if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
-        ABORT;
-
-    if (!BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD746E1D3B628BA79B"
-                   "9859F741E082542A385502F25DBF55296C3A545E3872760AB7"))
-        ABORT;
-    if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
-        ABORT;
-    if (!BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-                   "FFC7634D81F4372DDF581A0DB248B0A77AECEC196ACCC52973"))
-        ABORT;
-    if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
-        ABORT;
-
-    if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
-        ABORT;
-    fprintf(stdout, "\nNIST curve P-384 -- Generator:\n     x = 0x");
-    BN_print_fp(stdout, x);
-    fprintf(stdout, "\n     y = 0x");
-    BN_print_fp(stdout, y);
-    fprintf(stdout, "\n");
+        || !TEST_true(BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE"
+                                    "FFFFFFFF0000000000000000FFFFFFFF"))
+        || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
+        || !TEST_true(BN_hex2bn(&a, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE"
+                                    "FFFFFFFF0000000000000000FFFFFFFC"))
+        || !TEST_true(BN_hex2bn(&b, "B3312FA7E23EE7E4988E056BE3F82D19"
+                                    "181D9C6EFE8141120314088F5013875A"
+                                    "C656398D8A2ED19D2A85C8EDD3EC2AEF"))
+        || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
+
+        || !TEST_true(BN_hex2bn(&x, "AA87CA22BE8B05378EB1C71EF320AD74"
+                                    "6E1D3B628BA79B9859F741E082542A38"
+                                    "5502F25DBF55296C3A545E3872760AB7"))
+        || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 1,
+                                                              ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(BN_hex2bn(&z, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFC7634D81F4372DDF"
+                                    "581A0DB248B0A77AECEC196ACCC52973"))
+        || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+        || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))
+        goto err;
+
+    TEST_info("NIST curve P-384 -- Generator");
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
     /* G_y value taken from the standard: */
-    if (!BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29F8F41DBD289A14"
-                   "7CE9DA3113B5F0B8C00A60B1CE1D7E819D7A431D7C90EA0E5F"))
-        ABORT;
-    if (0 != BN_cmp(y, z))
-        ABORT;
-
-    fprintf(stdout, "verify degree ...");
-    if (EC_GROUP_get_degree(group) != 384)
-        ABORT;
-    fprintf(stdout, " ok\n");
+    if (!TEST_true(BN_hex2bn(&z, "3617DE4A96262C6F5D9E98BF9292DC29"
+                                 "F8F41DBD289A147CE9DA3113B5F0B8C0"
+                                 "0A60B1CE1D7E819D7A431D7C90EA0E5F"))
+        || !TEST_BN_eq(y, z)
+        || !TEST_true(BN_add(yplusone, y, BN_value_one()))
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+        || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,
+                                                           yplusone, ctx))
+        || !TEST_int_eq(EC_GROUP_get_degree(group), 384)
+        || !group_order_tests(group)
+        || !TEST_ptr(P_384 = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(P_384, group))
 
-    group_order_tests(group);
+    /* Curve P-521 (FIPS PUB 186-2, App. 6) */
+        || !TEST_true(BN_hex2bn(&p,                              "1FF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"))
+        || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
+        || !TEST_true(BN_hex2bn(&a,                              "1FF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC"))
+        || !TEST_true(BN_hex2bn(&b,                              "051"
+                                    "953EB9618E1C9A1F929A21A0B68540EE"
+                                    "A2DA725B99B315F3B8B489918EF109E1"
+                                    "56193951EC7E937B1652C0BD3BB1BF07"
+                                    "3573DF883D2C34F1EF451FD46B503F00"))
+        || !TEST_true(EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
+        || !TEST_true(BN_hex2bn(&x,                               "C6"
+                                    "858E06B70404E9CD9E3ECB662395B442"
+                                    "9C648139053FB521F828AF606B4D3DBA"
+                                    "A14B5E77EFE75928FE1DC127A2FFA8DE"
+                                    "3348B3C1856A429BF97E7E31C2E5BD66"))
+        || !TEST_true(EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0,
+                                                              ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(BN_hex2bn(&z,                              "1FF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+                                    "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFA"
+                                    "51868783BF2F966B7FCC0148F709A5D0"
+                                    "3BB5C9B8899C47AEBB6FB71E91386409"))
+        || !TEST_true(EC_GROUP_set_generator(group, P, z, BN_value_one()))
+        || !TEST_true(EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx)))
+        goto err;
+
+    TEST_info("NIST curve P-521 -- Generator");
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
+    /* G_y value taken from the standard: */
+    if (!TEST_true(BN_hex2bn(&z,                              "118"
+                                 "39296A789A3BC0045C8A5FB42C7D1BD9"
+                                 "98F54449579B446817AFBD17273E662C"
+                                 "97EE72995EF42640C550B9013FAD0761"
+                                 "353C7086A272C24088BE94769FD16650"))
+        || !TEST_BN_eq(y, z)
+        || !TEST_true(BN_add(yplusone, y, BN_value_one()))
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+        || !TEST_false(EC_POINT_set_affine_coordinates_GFp(group, P, x,
+                                                           yplusone, ctx))
+        || !TEST_int_eq(EC_GROUP_get_degree(group), 521)
+        || !group_order_tests(group)
+        || !TEST_ptr(P_521 = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(P_521, group))
 
-    if ((P_384 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
-        ABORT;
-    if (!EC_GROUP_copy(P_384, group))
-        ABORT;
+    /* more tests using the last curve */
 
-    /* Curve P-521 (FIPS PUB 186-2, App. 6) */
+    /* Restore the point that got mangled in the (x, y + 1) test. */
+        || !TEST_true(EC_POINT_set_affine_coordinates_GFp(group, P, x, y, ctx))
+        || !TEST_true(EC_POINT_copy(Q, P))
+        || !TEST_false(EC_POINT_is_at_infinity(group, Q))
+        || !TEST_true(EC_POINT_dbl(group, P, P, ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(EC_POINT_invert(group, Q, ctx))       /* P = -2Q */
+        || !TEST_true(EC_POINT_add(group, R, P, Q, ctx))
+        || !TEST_true(EC_POINT_add(group, R, R, Q, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, R))    /* R = P + 2Q */
+        || !TEST_false(EC_POINT_is_at_infinity(group, Q)))
+        goto err;
+    points[0] = Q;
+    points[1] = Q;
+    points[2] = Q;
+    points[3] = Q;
+
+    if (!TEST_true(EC_GROUP_get_order(group, z, ctx))
+        || !TEST_true(BN_add(y, z, BN_value_one()))
+        || !TEST_BN_even(y)
+        || !TEST_true(BN_rshift1(y, y)))
+        goto err;
+    scalars[0] = y;         /* (group order + 1)/2, so y*Q + y*Q = Q */
+    scalars[1] = y;
+
+    TEST_note("combined multiplication ...");
+
+    /* z is still the group order */
+    if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
+        || !TEST_true(EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, R, Q, ctx))
+        || !TEST_true(BN_pseudo_rand(y, BN_num_bits(y), 0, 0))
+        || !TEST_true(BN_add(z, z, y)))
+        goto err;
+    BN_set_negative(z, 1);
+    scalars[0] = y;
+    scalars[1] = z;         /* z = -(order + y) */
+
+    if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, P))
+        || !TEST_true(BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0))
+        || !TEST_true(BN_add(z, x, y)))
+        goto err;
+    BN_set_negative(z, 1);
+    scalars[0] = x;
+    scalars[1] = y;
+    scalars[2] = z;         /* z = -(x+y) */
+
+    if (!TEST_ptr(scalar3 = BN_new()))
+        goto err;
+    BN_zero(scalar3);
+    scalars[3] = scalar3;
+
+    if (!TEST_true(EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+        goto err;
+
+    TEST_note(" ok\n");
+
+
+    r = 1;
+err:
+    BN_CTX_free(ctx);
+    BN_free(p);
+    BN_free(a);
+    BN_free(b);
+    EC_GROUP_free(group);
+    EC_GROUP_free(tmp);
+    EC_POINT_free(P);
+    EC_POINT_free(Q);
+    EC_POINT_free(R);
+    BN_free(x);
+    BN_free(y);
+    BN_free(z);
+    BN_free(yplusone);
+    BN_free(scalar3);
 
-    if (!BN_hex2bn(&p, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-                   "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-                   "FFFFFFFFFFFFFFFFFFFFFFFFFFFF"))
-        ABORT;
-    if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
-        ABORT;
-    if (!BN_hex2bn(&a, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-                   "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-                   "FFFFFFFFFFFFFFFFFFFFFFFFFFFC"))
-        ABORT;
-    if (!BN_hex2bn(&b, "051953EB9618E1C9A1F929A21A0B68540EEA2DA725B99B"
-                   "315F3B8B489918EF109E156193951EC7E937B1652C0BD3BB1BF073573"
-                   "DF883D2C34F1EF451FD46B503F00"))
-        ABORT;
-    if (!EC_GROUP_set_curve_GFp(group, p, a, b, ctx))
-        ABORT;
-
-    if (!BN_hex2bn(&x, "C6858E06B70404E9CD9E3ECB662395B4429C648139053F"
-                   "B521F828AF606B4D3DBAA14B5E77EFE75928FE1DC127A2FFA8DE3348B"
-                   "3C1856A429BF97E7E31C2E5BD66"))
-        ABORT;
-    if (!EC_POINT_set_compressed_coordinates_GFp(group, P, x, 0, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
-        ABORT;
-    if (!BN_hex2bn(&z, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
-                   "FFFFFFFFFFFFFFFFFFFFA51868783BF2F966B7FCC0148F709A5D03BB5"
-                   "C9B8899C47AEBB6FB71E91386409"))
-        ABORT;
-    if (!EC_GROUP_set_generator(group, P, z, BN_value_one()))
-        ABORT;
-
-    if (!EC_POINT_get_affine_coordinates_GFp(group, P, x, y, ctx))
-        ABORT;
-    fprintf(stdout, "\nNIST curve P-521 -- Generator:\n     x = 0x");
-    BN_print_fp(stdout, x);
-    fprintf(stdout, "\n     y = 0x");
-    BN_print_fp(stdout, y);
-    fprintf(stdout, "\n");
-    /* G_y value taken from the standard: */
-    if (!BN_hex2bn(&z, "11839296A789A3BC0045C8A5FB42C7D1BD998F54449579"
-                   "B446817AFBD17273E662C97EE72995EF42640C550B9013FAD0761353C"
-                   "7086A272C24088BE94769FD16650"))
-        ABORT;
-    if (0 != BN_cmp(y, z))
-        ABORT;
+    EC_GROUP_free(P_160);
+    EC_GROUP_free(P_192);
+    EC_GROUP_free(P_224);
+    EC_GROUP_free(P_256);
+    EC_GROUP_free(P_384);
+    EC_GROUP_free(P_521);
+    return r;
+}
 
-    fprintf(stdout, "verify degree ...");
-    if (EC_GROUP_get_degree(group) != 521)
-        ABORT;
-    fprintf(stdout, " ok\n");
+# ifndef OPENSSL_NO_EC2M
 
-    group_order_tests(group);
+static struct c2_curve_test {
+    const char *name;
+    const char *p;
+    const char *a;
+    const char *b;
+    const char *x;
+    const char *y;
+    int ybit;
+    const char *order;
+    const char *cof;
+    int degree;
+} char2_curve_tests[] = {
+    /* Curve K-163 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve K-163",
+        "0800000000000000000000000000000000000000C9",
+        "1",
+        "1",
+        "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8",
+        "0289070FB05D38FF58321F2E800536D538CCDAA3D9",
+        1, "04000000000000000000020108A2E0CC0D99F8A5EF", "2", 163
+    },
+    /* Curve B-163 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve B-163",
+        "0800000000000000000000000000000000000000C9",
+        "1",
+        "020A601907B8C953CA1481EB10512F78744A3205FD",
+        "03F0EBA16286A2D57EA0991168D4994637E8343E36",
+        "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1",
+        1, "040000000000000000000292FE77E70C12A4234C33", "2", 163
+    },
+    /* Curve K-233 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve K-233",
+        "020000000000000000000000000000000000000004000000000000000001",
+        "0",
+        "1",
+        "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126",
+        "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3",
+        0,
+        "008000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF",
+        "4", 233
+    },
+    /* Curve B-233 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve B-233",
+        "020000000000000000000000000000000000000004000000000000000001",
+        "000000000000000000000000000000000000000000000000000000000001",
+        "0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD",
+        "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B",
+        "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052",
+        1,
+        "01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7",
+        "2", 233
+    },
+    /* Curve K-283 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve K-283",
+                                                                "08000000"
+        "00000000000000000000000000000000000000000000000000000000000010A1",
+        "0",
+        "1",
+                                                                "0503213F"
+        "78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836",
+                                                                "01CCDA38"
+        "0F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259",
+        0,
+                                                                "01FFFFFF"
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61",
+        "4", 283
+    },
+    /* Curve B-283 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve B-283",
+                                                                "08000000"
+        "00000000000000000000000000000000000000000000000000000000000010A1",
+                                                                "00000000"
+        "0000000000000000000000000000000000000000000000000000000000000001",
+                                                                "027B680A"
+        "C8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5",
+                                                                "05F93925"
+        "8DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053",
+                                                                "03676854"
+        "FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4",
+        1,
+                                                                "03FFFFFF"
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307",
+        "2", 283
+    },
+    /* Curve K-409 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve K-409",
+                                "0200000000000000000000000000000000000000"
+        "0000000000000000000000000000000000000000008000000000000000000001",
+        "0",
+        "1",
+                                "0060F05F658F49C1AD3AB1890F7184210EFD0987"
+        "E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746",
+                                "01E369050B7C4E42ACBA1DACBF04299C3460782F"
+        "918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B",
+        1,
+                                "007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+        "FFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF",
+        "4", 409
+    },
+    /* Curve B-409 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve B-409",
+                                "0200000000000000000000000000000000000000"
+        "0000000000000000000000000000000000000000008000000000000000000001",
+                                "0000000000000000000000000000000000000000"
+        "0000000000000000000000000000000000000000000000000000000000000001",
+                                "0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422E"
+        "F1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F",
+                                "015D4860D088DDB3496B0C6064756260441CDE4A"
+        "F1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7",
+                                "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5"
+        "A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706",
+        1,
+                                "0100000000000000000000000000000000000000"
+        "00000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173",
+        "2", 409
+    },
+    /* Curve K-571 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve K-571",
+                                                         "800000000000000"
+        "0000000000000000000000000000000000000000000000000000000000000000"
+        "0000000000000000000000000000000000000000000000000000000000000425",
+        "0",
+        "1",
+                                                        "026EB7A859923FBC"
+        "82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E6"
+        "47DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972",
+                                                        "0349DC807F4FBF37"
+        "4F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA7"
+        "4FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3",
+        0,
+                                                        "0200000000000000"
+        "00000000000000000000000000000000000000000000000000000000131850E1"
+        "F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001",
+        "4", 571
+    },
+    /* Curve B-571 (FIPS PUB 186-2, App. 6) */
+    {
+        "NIST curve B-571",
+                                                         "800000000000000"
+        "0000000000000000000000000000000000000000000000000000000000000000"
+        "0000000000000000000000000000000000000000000000000000000000000425",
+                                                        "0000000000000000"
+        "0000000000000000000000000000000000000000000000000000000000000000"
+        "0000000000000000000000000000000000000000000000000000000000000001",
+                                                        "02F40E7E2221F295"
+        "DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA5933"
+        "2BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A",
+                                                        "0303001D34B85629"
+        "6C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293"
+        "CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19",
+                                                        "037BF27342DA639B"
+        "6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A57"
+        "6291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B",
+        1,
+                                                        "03FFFFFFFFFFFFFF"
+        "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18"
+        "FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47",
+        "2", 571
+    }
+};
 
-    if ((P_521 = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL)
-        ABORT;
-    if (!EC_GROUP_copy(P_521, group))
-        ABORT;
+static int char2_curve_test(int n)
+{
+    int r = 0;
+    BN_CTX *ctx = NULL;
+    BIGNUM *p = NULL, *a = NULL, *b = NULL;
+    BIGNUM *x = NULL, *y = NULL, *z = NULL, *cof = NULL, *yplusone = NULL;
+    EC_GROUP *group = NULL, *variable = NULL;
+    EC_POINT *P = NULL, *Q = NULL, *R = NULL;
+    const EC_POINT *points[3];
+    const BIGNUM *scalars[3];
+    struct c2_curve_test *const test = char2_curve_tests + n;
+
+    if (!TEST_ptr(ctx = BN_CTX_new())
+        || !TEST_ptr(p = BN_new())
+        || !TEST_ptr(a = BN_new())
+        || !TEST_ptr(b = BN_new())
+        || !TEST_ptr(x = BN_new())
+        || !TEST_ptr(y = BN_new())
+        || !TEST_ptr(z = BN_new())
+        || !TEST_ptr(yplusone = BN_new())
+        || !TEST_true(BN_hex2bn(&p, test->p))
+        || !TEST_true(BN_hex2bn(&a, test->a))
+        || !TEST_true(BN_hex2bn(&b, test->b))
+        || !TEST_true(group = EC_GROUP_new(EC_GF2m_simple_method()))
+        || !TEST_true(EC_GROUP_set_curve_GF2m(group, p, a, b, ctx))
+        || !TEST_ptr(P = EC_POINT_new(group))
+        || !TEST_ptr(Q = EC_POINT_new(group))
+        || !TEST_ptr(R = EC_POINT_new(group))
+        || !TEST_true(BN_hex2bn(&x, test->x))
+        || !TEST_true(BN_hex2bn(&y, test->y))
+        || !TEST_true(BN_add(yplusone, y, BN_value_one())))
+        goto err;
 
-    /* more tests using the last curve */
+/* Change test based on whether binary point compression is enabled or not. */
+# ifdef OPENSSL_EC_BIN_PT_COMP
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+    if (!TEST_false(EC_POINT_set_affine_coordinates_GF2m(group, P, x, yplusone,
+                                                         ctx))
+        || !TEST_true(EC_POINT_set_compressed_coordinates_GF2m(group, P, x,
+                                                               test->y_bit,
+                                                               ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(BN_hex2bn(&z, test->order))
+        || !TEST_true(BN_hex2bn(&cof, test->cof))
+        || !TEST_true(EC_GROUP_set_generator(group, P, z, cof))
+        || !TEST_true(EC_POINT_get_affine_coordinates_GF2m(group, P, x, y,
+                                                           ctx)))
+        goto err;
+    TEST_info("%s -- Generator", test->name);
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
+    /* G_y value taken from the standard: */
+    if (!TEST_true(BN_hex2bn(&z, test->y))
+        || !TEST_BN_eq(y, z))
+        goto err;
+# else
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+    if (!TEST_false(EC_POINT_set_affine_coordinates_GF2m(group, P, x, yplusone,
+                    ctx))
+        || !TEST_true(EC_POINT_set_affine_coordinates_GF2m(group, P, x, y, ctx))
+        || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+        || !TEST_true(BN_hex2bn(&z, test->order))
+        || !TEST_true(BN_hex2bn(&cof, test->cof))
+        || !TEST_true(EC_GROUP_set_generator(group, P, z, cof)))
+        goto err;
+    TEST_info("%s -- Generator:", test->name);
+    test_output_bignum("x", x);
+    test_output_bignum("y", y);
+# endif
 
-    if (!EC_POINT_copy(Q, P))
-        ABORT;
-    if (EC_POINT_is_at_infinity(group, Q))
-        ABORT;
-    if (!EC_POINT_dbl(group, P, P, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
-        ABORT;
-    if (!EC_POINT_invert(group, Q, ctx))
-        ABORT;                  /* P = -2Q */
-
-    if (!EC_POINT_add(group, R, P, Q, ctx))
-        ABORT;
-    if (!EC_POINT_add(group, R, R, Q, ctx))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, R))
-        ABORT;                  /* R = P + 2Q */
+    if (!TEST_int_eq(EC_GROUP_get_degree(group), test->degree)
+        || !group_order_tests(group)
+        || !TEST_ptr(variable = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(variable, group)))
+        goto err;
 
-    {
-        const EC_POINT *points[4];
-        const BIGNUM *scalars[4];
-        BIGNUM *scalar3;
+    /* more tests using the last curve */
+    if (n == OSSL_NELEM(char2_curve_tests) - 1) {
+        if (!TEST_true(EC_POINT_set_affine_coordinates_GF2m(group, P, x, y,
+                                                                ctx))
+            || !TEST_true(EC_POINT_copy(Q, P))
+            || !TEST_false(EC_POINT_is_at_infinity(group, Q))
+            || !TEST_true(EC_POINT_dbl(group, P, P, ctx))
+            || !TEST_int_gt(EC_POINT_is_on_curve(group, P, ctx), 0)
+            || !TEST_true(EC_POINT_invert(group, Q, ctx))       /* P = -2Q */
+            || !TEST_true(EC_POINT_add(group, R, P, Q, ctx))
+            || !TEST_true(EC_POINT_add(group, R, R, Q, ctx))
+            || !TEST_true(EC_POINT_is_at_infinity(group, R))   /* R = P + 2Q */
+            || !TEST_false(EC_POINT_is_at_infinity(group, Q)))
+            goto err;
 
-        if (EC_POINT_is_at_infinity(group, Q))
-            ABORT;
         points[0] = Q;
         points[1] = Q;
         points[2] = Q;
-        points[3] = Q;
-
-        if (!EC_GROUP_get_order(group, z, ctx))
-            ABORT;
-        if (!BN_add(y, z, BN_value_one()))
-            ABORT;
-        if (BN_is_odd(y))
-            ABORT;
-        if (!BN_rshift1(y, y))
-            ABORT;
+
+        if (!TEST_true(BN_add(y, z, BN_value_one()))
+            || !TEST_BN_even(y)
+            || !TEST_true(BN_rshift1(y, y)))
+            goto err;
         scalars[0] = y;         /* (group order + 1)/2, so y*Q + y*Q = Q */
         scalars[1] = y;
 
-        fprintf(stdout, "combined multiplication ...");
-        fflush(stdout);
+        TEST_note("combined multiplication ...");
 
         /* z is still the group order */
-        if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
-            ABORT;
-        if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
-            ABORT;
-        if (0 != EC_POINT_cmp(group, P, R, ctx))
-            ABORT;
-        if (0 != EC_POINT_cmp(group, R, Q, ctx))
-            ABORT;
-
-        fprintf(stdout, ".");
-        fflush(stdout);
-
-        if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0))
-            ABORT;
-        if (!BN_add(z, z, y))
-            ABORT;
+        if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
+            || !TEST_true(EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
+            || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx))
+            || !TEST_int_eq(0, EC_POINT_cmp(group, R, Q, ctx)))
+            goto err;
+
+        if (!TEST_true(BN_pseudo_rand(y, BN_num_bits(y), 0, 0))
+            || !TEST_true(BN_add(z, z, y)))
+            goto err;
         BN_set_negative(z, 1);
         scalars[0] = y;
         scalars[1] = z;         /* z = -(order + y) */
 
-        if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
-            ABORT;
-        if (!EC_POINT_is_at_infinity(group, P))
-            ABORT;
-
-        fprintf(stdout, ".");
-        fflush(stdout);
+        if (!TEST_true(EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
+            || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+            goto err;
 
-        if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0))
-            ABORT;
-        if (!BN_add(z, x, y))
-            ABORT;
+        if (!TEST_true(BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0))
+            || !TEST_true(BN_add(z, x, y)))
+            goto err;
         BN_set_negative(z, 1);
         scalars[0] = x;
         scalars[1] = y;
         scalars[2] = z;         /* z = -(x+y) */
 
-        scalar3 = BN_new();
-        if (!scalar3)
-            ABORT;
-        BN_zero(scalar3);
-        scalars[3] = scalar3;
-
-        if (!EC_POINTs_mul(group, P, NULL, 4, points, scalars, ctx))
-            ABORT;
-        if (!EC_POINT_is_at_infinity(group, P))
-            ABORT;
-
-        fprintf(stdout, " ok\n\n");
-
-        BN_free(scalar3);
+        if (!TEST_true(EC_POINTs_mul(group, P, NULL, 3, points, scalars, ctx))
+            || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+            goto err;;
     }
 
+    r = 1;
+err:
     BN_CTX_free(ctx);
     BN_free(p);
     BN_free(a);
     BN_free(b);
-    EC_GROUP_free(group);
-    EC_POINT_free(P);
-    EC_POINT_free(Q);
-    EC_POINT_free(R);
     BN_free(x);
     BN_free(y);
     BN_free(z);
-
-    EC_GROUP_free(P_160);
-    EC_GROUP_free(P_192);
-    EC_GROUP_free(P_224);
-    EC_GROUP_free(P_256);
-    EC_GROUP_free(P_384);
-    EC_GROUP_free(P_521);
-
+    BN_free(yplusone);
+    BN_free(cof);
+    EC_POINT_free(P);
+    EC_POINT_free(Q);
+    EC_POINT_free(R);
+    EC_GROUP_free(group);
+    EC_GROUP_free(variable);
+    return r;
 }
 
-/* Change test based on whether binary point compression is enabled or not. */
-# ifdef OPENSSL_EC_BIN_PT_COMP
-#  define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
-        if (!BN_hex2bn(&x, _x)) ABORT; \
-        if (!EC_POINT_set_compressed_coordinates_GF2m(group, P, x, _y_bit, ctx)) ABORT; \
-        if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; \
-        if (!BN_hex2bn(&z, _order)) ABORT; \
-        if (!BN_hex2bn(&cof, _cof)) ABORT; \
-        if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \
-        if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \
-        fprintf(stdout, "\n%s -- Generator:\n     x = 0x", _name); \
-        BN_print_fp(stdout, x); \
-        fprintf(stdout, "\n     y = 0x"); \
-        BN_print_fp(stdout, y); \
-        fprintf(stdout, "\n"); \
-        /* G_y value taken from the standard: */ \
-        if (!BN_hex2bn(&z, _y)) ABORT; \
-        if (0 != BN_cmp(y, z)) ABORT;
-# else
-#  define CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
-        if (!BN_hex2bn(&x, _x)) ABORT; \
-        if (!BN_hex2bn(&y, _y)) ABORT; \
-        if (!EC_POINT_set_affine_coordinates_GF2m(group, P, x, y, ctx)) ABORT; \
-        if (EC_POINT_is_on_curve(group, P, ctx) <= 0) ABORT; \
-        if (!BN_hex2bn(&z, _order)) ABORT; \
-        if (!BN_hex2bn(&cof, _cof)) ABORT; \
-        if (!EC_GROUP_set_generator(group, P, z, cof)) ABORT; \
-        fprintf(stdout, "\n%s -- Generator:\n     x = 0x", _name); \
-        BN_print_fp(stdout, x); \
-        fprintf(stdout, "\n     y = 0x"); \
-        BN_print_fp(stdout, y); \
-        fprintf(stdout, "\n");
-# endif
-
-# define CHAR2_CURVE_TEST(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
-        if (!BN_hex2bn(&p, _p)) ABORT; \
-        if (!BN_hex2bn(&a, _a)) ABORT; \
-        if (!BN_hex2bn(&b, _b)) ABORT; \
-        if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx)) ABORT; \
-        CHAR2_CURVE_TEST_INTERNAL(_name, _p, _a, _b, _x, _y, _y_bit, _order, _cof, _degree, _variable) \
-        fprintf(stdout, "verify degree ..."); \
-        if (EC_GROUP_get_degree(group) != _degree) ABORT; \
-        fprintf(stdout, " ok\n"); \
-        group_order_tests(group); \
-        if ((_variable = EC_GROUP_new(EC_GROUP_method_of(group))) == NULL) ABORT; \
-        if (!EC_GROUP_copy(_variable, group)) ABORT; \
-
-# ifndef OPENSSL_NO_EC2M
-
-static void char2_field_tests(void)
+static int char2_field_tests(void)
 {
     BN_CTX *ctx = NULL;
-    BIGNUM *p, *a, *b;
-    EC_GROUP *group;
-    EC_GROUP *C2_K163 = NULL, *C2_K233 = NULL, *C2_K283 = NULL, *C2_K409 =
-        NULL, *C2_K571 = NULL;
-    EC_GROUP *C2_B163 = NULL, *C2_B233 = NULL, *C2_B283 = NULL, *C2_B409 =
-        NULL, *C2_B571 = NULL;
-    EC_POINT *P, *Q, *R;
-    BIGNUM *x, *y, *z, *cof;
+    BIGNUM *p = NULL, *a = NULL, *b = NULL;
+    EC_GROUP *group = NULL, *tmp = NULL;
+    EC_POINT *P = NULL, *Q = NULL, *R = NULL;
+    BIGNUM *x = NULL, *y = NULL, *z = NULL, *cof = NULL, *yplusone = NULL;
     unsigned char buf[100];
-    size_t i, len;
-    int k;
-
-    ctx = BN_CTX_new();
-    if (!ctx)
-        ABORT;
-
-    p = BN_new();
-    a = BN_new();
-    b = BN_new();
-    if (!p || !a || !b)
-        ABORT;
-
-    if (!BN_hex2bn(&p, "13"))
-        ABORT;
-    if (!BN_hex2bn(&a, "3"))
-        ABORT;
-    if (!BN_hex2bn(&b, "1"))
-        ABORT;
+    size_t len;
+    int k, r = 0;
+
+    if (!TEST_ptr(ctx = BN_CTX_new())
+        || !TEST_ptr(p = BN_new())
+        || !TEST_ptr(a = BN_new())
+        || !TEST_ptr(b = BN_new())
+        || !TEST_true(BN_hex2bn(&p, "13"))
+        || !TEST_true(BN_hex2bn(&a, "3"))
+        || !TEST_true(BN_hex2bn(&b, "1")))
+        goto err;
 
     group = EC_GROUP_new(EC_GF2m_simple_method()); /* applications should use
                                                     * EC_GROUP_new_curve_GF2m
                                                     * so that the library gets
                                                     * to choose the EC_METHOD */
-    if (!group)
-        ABORT;
-    if (!EC_GROUP_set_curve_GF2m(group, p, a, b, ctx))
-        ABORT;
+    if (!TEST_ptr(group)
+        || !TEST_true(EC_GROUP_set_curve_GF2m(group, p, a, b, ctx))
+        || !TEST_ptr(tmp = EC_GROUP_new(EC_GROUP_method_of(group)))
+        || !TEST_true(EC_GROUP_copy(tmp, group)))
+        goto err;
+    EC_GROUP_free(group);
+    group = tmp;
+    tmp = NULL;
 
-    {
-        EC_GROUP *tmp;
-        tmp = EC_GROUP_new(EC_GROUP_method_of(group));
-        if (!tmp)
-            ABORT;
-        if (!EC_GROUP_copy(tmp, group))
-            ABORT;
-        EC_GROUP_free(group);
-        group = tmp;
-    }
+    if (!TEST_true(EC_GROUP_get_curve_GF2m(group, p, a, b, ctx)))
+        goto err;
+
+    TEST_info("Curve defined by Weierstrass equation");
+    TEST_note("     y^2 + x*y = x^3 + a*x^2 + b (mod p)");
+    test_output_bignum("a", a);
+    test_output_bignum("b", b);
+    test_output_bignum("p", p);
 
-    if (!EC_GROUP_get_curve_GF2m(group, p, a, b, ctx))
-        ABORT;
-
-    fprintf(stdout,
-            "Curve defined by Weierstrass equation\n     y^2 + x*y = x^3 + a*x^2 + b  (mod 0x");
-    BN_print_fp(stdout, p);
-    fprintf(stdout, ")\n     a = 0x");
-    BN_print_fp(stdout, a);
-    fprintf(stdout, "\n     b = 0x");
-    BN_print_fp(stdout, b);
-    fprintf(stdout, "\n(0x... means binary polynomial)\n");
-
-    P = EC_POINT_new(group);
-    Q = EC_POINT_new(group);
-    R = EC_POINT_new(group);
-    if (!P || !Q || !R)
-        ABORT;
-
-    if (!EC_POINT_set_to_infinity(group, P))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, P))
-        ABORT;
+     if (!TEST_ptr(P = EC_POINT_new(group))
+        || !TEST_ptr(Q = EC_POINT_new(group))
+        || !TEST_ptr(R = EC_POINT_new(group))
+        || !TEST_true(EC_POINT_set_to_infinity(group, P))
+        || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+        goto err;
 
     buf[0] = 0;
-    if (!EC_POINT_oct2point(group, Q, buf, 1, ctx))
-        ABORT;
-
-    if (!EC_POINT_add(group, P, P, Q, ctx))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, P))
-        ABORT;
-
-    x = BN_new();
-    y = BN_new();
-    z = BN_new();
-    cof = BN_new();
-    if (!x || !y || !z || !cof)
-        ABORT;
-
-    if (!BN_hex2bn(&x, "6"))
-        ABORT;
+    if (!TEST_true(EC_POINT_oct2point(group, Q, buf, 1, ctx))
+        || !TEST_true(EC_POINT_add(group, P, P, Q, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, P))
+        || !TEST_ptr(x = BN_new())
+        || !TEST_ptr(y = BN_new())
+        || !TEST_ptr(z = BN_new())
+        || !TEST_ptr(cof = BN_new())
+        || !TEST_ptr(yplusone = BN_new())
+        || !TEST_true(BN_hex2bn(&x, "6"))
 /* Change test based on whether binary point compression is enabled or not. */
 #  ifdef OPENSSL_EC_BIN_PT_COMP
-    if (!EC_POINT_set_compressed_coordinates_GF2m(group, Q, x, 1, ctx))
-        ABORT;
+        || !TEST_true(EC_POINT_set_compressed_coordinates_GF2m(group, Q, x, 1,
+                                                               ctx))
 #  else
-    if (!BN_hex2bn(&y, "8"))
-        ABORT;
-    if (!EC_POINT_set_affine_coordinates_GF2m(group, Q, x, y, ctx))
-        ABORT;
+        || !TEST_true(BN_hex2bn(&y, "8"))
+        || !TEST_true(EC_POINT_set_affine_coordinates_GF2m(group, Q, x, y, ctx))
 #  endif
-    if (EC_POINT_is_on_curve(group, Q, ctx) <= 0) {
+       )
+        goto err;
+    if (!TEST_int_gt(EC_POINT_is_on_curve(group, Q, ctx), 0)) {
 /* Change test based on whether binary point compression is enabled or not. */
 #  ifdef OPENSSL_EC_BIN_PT_COMP
-        if (!EC_POINT_get_affine_coordinates_GF2m(group, Q, x, y, ctx))
-            ABORT;
+        if (!TEST_true(EC_POINT_get_affine_coordinates_GF2m(group, Q, x, y,
+                                                            ctx)))
+            goto err;
 #  endif
-        fprintf(stderr, "Point is not on curve: x = 0x");
-        BN_print_fp(stderr, x);
-        fprintf(stderr, ", y = 0x");
-        BN_print_fp(stderr, y);
-        fprintf(stderr, "\n");
-        ABORT;
+        TEST_info("Point is not on curve");
+        test_output_bignum("x", x);
+        test_output_bignum("y", y);
+        goto err;
     }
 
-    fprintf(stdout, "A cyclic subgroup:\n");
+    TEST_note("A cyclic subgroup:");
     k = 100;
     do {
-        if (k-- == 0)
-            ABORT;
+        if (!TEST_int_ne(k--, 0))
+            goto err;
 
         if (EC_POINT_is_at_infinity(group, P))
-            fprintf(stdout, "     point at infinity\n");
+            TEST_note("     point at infinity");
         else {
-            if (!EC_POINT_get_affine_coordinates_GF2m(group, P, x, y, ctx))
-                ABORT;
-
-            fprintf(stdout, "     x = 0x");
-            BN_print_fp(stdout, x);
-            fprintf(stdout, ", y = 0x");
-            BN_print_fp(stdout, y);
-            fprintf(stdout, "\n");
+            if (!TEST_true(EC_POINT_get_affine_coordinates_GF2m(group, P, x, y,
+                                                                ctx)))
+                goto err;
+
+            test_output_bignum("x", x);
+            test_output_bignum("y", y);
         }
 
-        if (!EC_POINT_copy(R, P))
-            ABORT;
-        if (!EC_POINT_add(group, P, P, Q, ctx))
-            ABORT;
+        if (!TEST_true(EC_POINT_copy(R, P))
+            || !TEST_true(EC_POINT_add(group, P, P, Q, ctx)))
+            goto err;
     }
     while (!EC_POINT_is_at_infinity(group, P));
 
-    if (!EC_POINT_add(group, P, Q, R, ctx))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, P))
-        ABORT;
+    if (!TEST_true(EC_POINT_add(group, P, Q, R, ctx))
+        || !TEST_true(EC_POINT_is_at_infinity(group, P)))
+        goto err;
 
 /* Change test based on whether binary point compression is enabled or not. */
 #  ifdef OPENSSL_EC_BIN_PT_COMP
-    len =
-        EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED, buf,
-                           sizeof buf, ctx);
-    if (len == 0)
-        ABORT;
-    if (!EC_POINT_oct2point(group, P, buf, len, ctx))
-        ABORT;
-    if (0 != EC_POINT_cmp(group, P, Q, ctx))
-        ABORT;
-    fprintf(stdout, "Generator as octet string, compressed form:\n     ");
-    for (i = 0; i < len; i++)
-        fprintf(stdout, "%02X", buf[i]);
+    len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_COMPRESSED,
+                             buf, sizeof buf, ctx);
+    if (!TEST_size_t_ne(len, 0)
+        || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+        goto err;
+    test_output_memory("Generator as octet string, compressed form:",
+                       buf, len);
 #  endif
 
-    len =
-        EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED, buf,
-                           sizeof buf, ctx);
-    if (len == 0)
-        ABORT;
-    if (!EC_POINT_oct2point(group, P, buf, len, ctx))
-        ABORT;
-    if (0 != EC_POINT_cmp(group, P, Q, ctx))
-        ABORT;
-    fprintf(stdout, "\nGenerator as octet string, uncompressed form:\n     ");
-    for (i = 0; i < len; i++)
-        fprintf(stdout, "%02X", buf[i]);
+    len = EC_POINT_point2oct(group, Q, POINT_CONVERSION_UNCOMPRESSED,
+                             buf, sizeof buf, ctx);
+    if (!TEST_size_t_ne(len, 0)
+        || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+        goto err;
+    test_output_memory("Generator as octet string, uncompressed form:",
+                       buf, len);
 
 /* Change test based on whether binary point compression is enabled or not. */
 #  ifdef OPENSSL_EC_BIN_PT_COMP
     len =
         EC_POINT_point2oct(group, Q, POINT_CONVERSION_HYBRID, buf, sizeof buf,
                            ctx);
-    if (len == 0)
-        ABORT;
-    if (!EC_POINT_oct2point(group, P, buf, len, ctx))
-        ABORT;
-    if (0 != EC_POINT_cmp(group, P, Q, ctx))
-        ABORT;
-    fprintf(stdout, "\nGenerator as octet string, hybrid form:\n     ");
-    for (i = 0; i < len; i++)
-        fprintf(stdout, "%02X", buf[i]);
+    if (!TEST_size_t_ne(len, 0)
+        || !TEST_true(EC_POINT_oct2point(group, P, buf, len, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, Q, ctx)))
+        goto err;
+    test_output_memory("Generator as octet string, hybrid form:",
+                       buf, len);
 #  endif
 
-    fprintf(stdout, "\n");
-
-    if (!EC_POINT_invert(group, P, ctx))
-        ABORT;
-    if (0 != EC_POINT_cmp(group, P, R, ctx))
-        ABORT;
-
-    /* Curve K-163 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve K-163",
-         "0800000000000000000000000000000000000000C9",
-         "1",
-         "1",
-         "02FE13C0537BBC11ACAA07D793DE4E6D5E5C94EEE8",
-         "0289070FB05D38FF58321F2E800536D538CCDAA3D9",
-         1, "04000000000000000000020108A2E0CC0D99F8A5EF", "2", 163, C2_K163);
-
-    /* Curve B-163 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve B-163",
-         "0800000000000000000000000000000000000000C9",
-         "1",
-         "020A601907B8C953CA1481EB10512F78744A3205FD",
-         "03F0EBA16286A2D57EA0991168D4994637E8343E36",
-         "00D51FBC6C71A0094FA2CDD545B11C5C0C797324F1",
-         1, "040000000000000000000292FE77E70C12A4234C33", "2", 163, C2_B163);
-
-    /* Curve K-233 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve K-233",
-         "020000000000000000000000000000000000000004000000000000000001",
-         "0",
-         "1",
-         "017232BA853A7E731AF129F22FF4149563A419C26BF50A4C9D6EEFAD6126",
-         "01DB537DECE819B7F70F555A67C427A8CD9BF18AEB9B56E0C11056FAE6A3",
-         0,
-         "008000000000000000000000000000069D5BB915BCD46EFB1AD5F173ABDF",
-         "4", 233, C2_K233);
-
-    /* Curve B-233 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve B-233",
-         "020000000000000000000000000000000000000004000000000000000001",
-         "000000000000000000000000000000000000000000000000000000000001",
-         "0066647EDE6C332C7F8C0923BB58213B333B20E9CE4281FE115F7D8F90AD",
-         "00FAC9DFCBAC8313BB2139F1BB755FEF65BC391F8B36F8F8EB7371FD558B",
-         "01006A08A41903350678E58528BEBF8A0BEFF867A7CA36716F7E01F81052",
-         1,
-         "01000000000000000000000000000013E974E72F8A6922031D2603CFE0D7",
-         "2", 233, C2_B233);
-
-    /* Curve K-283 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve K-283",
-         "0800000000000000000000000000000000000000000000000000000000000000000010A1",
-         "0",
-         "1",
-         "0503213F78CA44883F1A3B8162F188E553CD265F23C1567A16876913B0C2AC2458492836",
-         "01CCDA380F1C9E318D90F95D07E5426FE87E45C0E8184698E45962364E34116177DD2259",
-         0,
-         "01FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE9AE2ED07577265DFF7F94451E061E163C61",
-         "4", 283, C2_K283);
-
-    /* Curve B-283 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve B-283",
-         "0800000000000000000000000000000000000000000000000000000000000000000010A1",
-         "000000000000000000000000000000000000000000000000000000000000000000000001",
-         "027B680AC8B8596DA5A4AF8A19A0303FCA97FD7645309FA2A581485AF6263E313B79A2F5",
-         "05F939258DB7DD90E1934F8C70B0DFEC2EED25B8557EAC9C80E2E198F8CDBECD86B12053",
-         "03676854FE24141CB98FE6D4B20D02B4516FF702350EDDB0826779C813F0DF45BE8112F4",
-         1,
-         "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEF90399660FC938A90165B042A7CEFADB307",
-         "2", 283, C2_B283);
-
-    /* Curve K-409 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve K-409",
-         "02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001",
-         "0",
-         "1",
-         "0060F05F658F49C1AD3AB1890F7184210EFD0987E307C84C27ACCFB8F9F67CC2C460189EB5AAAA62EE222EB1B35540CFE9023746",
-         "01E369050B7C4E42ACBA1DACBF04299C3460782F918EA427E6325165E9EA10E3DA5F6C42E9C55215AA9CA27A5863EC48D8E0286B",
-         1,
-         "007FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE5F83B2D4EA20400EC4557D5ED3E3E7CA5B4B5C83B8E01E5FCF",
-         "4", 409, C2_K409);
-
-    /* Curve B-409 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve B-409",
-         "02000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000001",
-         "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
-         "0021A5C2C8EE9FEB5C4B9A753B7B476B7FD6422EF1F3DD674761FA99D6AC27C8A9A197B272822F6CD57A55AA4F50AE317B13545F",
-         "015D4860D088DDB3496B0C6064756260441CDE4AF1771D4DB01FFE5B34E59703DC255A868A1180515603AEAB60794E54BB7996A7",
-         "0061B1CFAB6BE5F32BBFA78324ED106A7636B9C5A7BD198D0158AA4F5488D08F38514F1FDF4B4F40D2181B3681C364BA0273C706",
-         1,
-         "010000000000000000000000000000000000000000000000000001E2AAD6A612F33307BE5FA47C3C9E052F838164CD37D9A21173",
-         "2", 409, C2_B409);
-
-    /* Curve K-571 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve K-571",
-         "80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425",
-         "0",
-         "1",
-         "026EB7A859923FBC82189631F8103FE4AC9CA2970012D5D46024804801841CA44370958493B205E647DA304DB4CEB08CBBD1BA39494776FB988B47174DCA88C7E2945283A01C8972",
-         "0349DC807F4FBF374F4AEADE3BCA95314DD58CEC9F307A54FFC61EFC006D8A2C9D4979C0AC44AEA74FBEBBB9F772AEDCB620B01A7BA7AF1B320430C8591984F601CD4C143EF1C7A3",
-         0,
-         "020000000000000000000000000000000000000000000000000000000000000000000000131850E1F19A63E4B391A8DB917F4138B630D84BE5D639381E91DEB45CFE778F637C1001",
-         "4", 571, C2_K571);
-
-    /* Curve B-571 (FIPS PUB 186-2, App. 6) */
-    CHAR2_CURVE_TEST
-        ("NIST curve B-571",
-         "80000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000425",
-         "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
-         "02F40E7E2221F295DE297117B7F3D62F5C6A97FFCB8CEFF1CD6BA8CE4A9A18AD84FFABBD8EFA59332BE7AD6756A66E294AFD185A78FF12AA520E4DE739BACA0C7FFEFF7F2955727A",
-         "0303001D34B856296C16C0D40D3CD7750A93D1D2955FA80AA5F40FC8DB7B2ABDBDE53950F4C0D293CDD711A35B67FB1499AE60038614F1394ABFA3B4C850D927E1E7769C8EEC2D19",
-         "037BF27342DA639B6DCCFFFEB73D69D78C6C27A6009CBBCA1980F8533921E8A684423E43BAB08A576291AF8F461BB2A8B3531D2F0485C19B16E2F1516E23DD3C1A4827AF1B8AC15B",
-         1,
-         "03FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE661CE18FF55987308059B186823851EC7DD9CA1161DE93D5174D66E8382E9BB2FE84E47",
-         "2", 571, C2_B571);
-
-    /* more tests using the last curve */
+    if (!TEST_true(EC_POINT_invert(group, P, ctx))
+        || !TEST_int_eq(0, EC_POINT_cmp(group, P, R, ctx)))
+        goto err;
 
-    if (!EC_POINT_copy(Q, P))
-        ABORT;
-    if (EC_POINT_is_at_infinity(group, Q))
-        ABORT;
-    if (!EC_POINT_dbl(group, P, P, ctx))
-        ABORT;
-    if (EC_POINT_is_on_curve(group, P, ctx) <= 0)
-        ABORT;
-    if (!EC_POINT_invert(group, Q, ctx))
-        ABORT;                  /* P = -2Q */
-
-    if (!EC_POINT_add(group, R, P, Q, ctx))
-        ABORT;
-    if (!EC_POINT_add(group, R, R, Q, ctx))
-        ABORT;
-    if (!EC_POINT_is_at_infinity(group, R))
-        ABORT;                  /* R = P + 2Q */
-
-    {
-        const EC_POINT *points[3];
-        const BIGNUM *scalars[3];
-
-        if (EC_POINT_is_at_infinity(group, Q))
-            ABORT;
-        points[0] = Q;
-        points[1] = Q;
-        points[2] = Q;
-
-        if (!BN_add(y, z, BN_value_one()))
-            ABORT;
-        if (BN_is_odd(y))
-            ABORT;
-        if (!BN_rshift1(y, y))
-            ABORT;
-        scalars[0] = y;         /* (group order + 1)/2, so y*Q + y*Q = Q */
-        scalars[1] = y;
-
-        fprintf(stdout, "combined multiplication ...");
-        fflush(stdout);
-
-        /* z is still the group order */
-        if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
-            ABORT;
-        if (!EC_POINTs_mul(group, R, z, 2, points, scalars, ctx))
-            ABORT;
-        if (0 != EC_POINT_cmp(group, P, R, ctx))
-            ABORT;
-        if (0 != EC_POINT_cmp(group, R, Q, ctx))
-            ABORT;
-
-        fprintf(stdout, ".");
-        fflush(stdout);
-
-        if (!BN_pseudo_rand(y, BN_num_bits(y), 0, 0))
-            ABORT;
-        if (!BN_add(z, z, y))
-            ABORT;
-        BN_set_negative(z, 1);
-        scalars[0] = y;
-        scalars[1] = z;         /* z = -(order + y) */
-
-        if (!EC_POINTs_mul(group, P, NULL, 2, points, scalars, ctx))
-            ABORT;
-        if (!EC_POINT_is_at_infinity(group, P))
-            ABORT;
-
-        fprintf(stdout, ".");
-        fflush(stdout);
-
-        if (!BN_pseudo_rand(x, BN_num_bits(y) - 1, 0, 0))
-            ABORT;
-        if (!BN_add(z, x, y))
-            ABORT;
-        BN_set_negative(z, 1);
-        scalars[0] = x;
-        scalars[1] = y;
-        scalars[2] = z;         /* z = -(x+y) */
-
-        if (!EC_POINTs_mul(group, P, NULL, 3, points, scalars, ctx))
-            ABORT;
-        if (!EC_POINT_is_at_infinity(group, P))
-            ABORT;
-
-        fprintf(stdout, " ok\n\n");
-    }
+    TEST_note("\n");
 
+    r = 1;
+err:
     BN_CTX_free(ctx);
     BN_free(p);
     BN_free(a);
     BN_free(b);
     EC_GROUP_free(group);
+    EC_GROUP_free(tmp);
     EC_POINT_free(P);
     EC_POINT_free(Q);
     EC_POINT_free(R);
@@ -1337,69 +1141,48 @@ static void char2_field_tests(void)
     BN_free(y);
     BN_free(z);
     BN_free(cof);
-
-    EC_GROUP_free(C2_K163);
-    EC_GROUP_free(C2_B163);
-    EC_GROUP_free(C2_K233);
-    EC_GROUP_free(C2_B233);
-    EC_GROUP_free(C2_K283);
-    EC_GROUP_free(C2_B283);
-    EC_GROUP_free(C2_K409);
-    EC_GROUP_free(C2_B409);
-    EC_GROUP_free(C2_K571);
-    EC_GROUP_free(C2_B571);
-
+    BN_free(yplusone);
+    return r;
 }
 # endif
 
-static void internal_curve_test(void)
+static int internal_curve_test(int n)
 {
-    EC_builtin_curve *curves = NULL;
-    size_t crv_len = 0, n = 0;
-    int ok = 1;
-
-    crv_len = EC_get_builtin_curves(NULL, 0);
-    curves = OPENSSL_malloc(sizeof(*curves) * crv_len);
-    if (curves == NULL)
-        return;
+    EC_GROUP *group = NULL;
+    int nid = curves[n].nid;
 
-    if (!EC_get_builtin_curves(curves, crv_len)) {
-        OPENSSL_free(curves);
-        return;
+    if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))) {
+        TEST_info("EC_GROUP_new_curve_name() failed with curve %s\n",
+                  OBJ_nid2sn(nid));
+        return 0;
     }
-
-    fprintf(stdout, "testing internal curves: ");
-
-    for (n = 0; n < crv_len; n++) {
-        EC_GROUP *group = NULL;
-        int nid = curves[n].nid;
-        if ((group = EC_GROUP_new_by_curve_name(nid)) == NULL) {
-            ok = 0;
-            fprintf(stdout, "\nEC_GROUP_new_curve_name() failed with"
-                    " curve %s\n", OBJ_nid2sn(nid));
-            /* try next curve */
-            continue;
-        }
-        if (!EC_GROUP_check(group, NULL)) {
-            ok = 0;
-            fprintf(stdout, "\nEC_GROUP_check() failed with"
-                    " curve %s\n", OBJ_nid2sn(nid));
-            EC_GROUP_free(group);
-            /* try the next curve */
-            continue;
-        }
-        fprintf(stdout, ".");
-        fflush(stdout);
+    if (!TEST_true(EC_GROUP_check(group, NULL))) {
+        TEST_info("EC_GROUP_check() failed with curve %s\n", OBJ_nid2sn(nid));
         EC_GROUP_free(group);
+        return 0;
     }
-    if (ok)
-        fprintf(stdout, " ok\n\n");
-    else {
-        fprintf(stdout, " failed\n\n");
-        ABORT;
+    EC_GROUP_free(group);
+    return 1;
+}
+
+static int internal_curve_test_method(int n)
+{
+    int r, nid = curves[n].nid;
+    EC_GROUP *group;
+
+    /*
+     * Skip for X25519 because low level operations such as EC_POINT_mul()
+     * are not supported for this curve
+     */
+    if (nid == NID_X25519)
+        return 1;
+    if (!TEST_ptr(group = EC_GROUP_new_by_curve_name(nid))) {
+        TEST_info("Curve %s failed\n", OBJ_nid2sn(nid));
+        return 0;
     }
-    OPENSSL_free(curves);
-    return;
+    r = group_order_tests(group);
+    EC_GROUP_free(group);
+    return r;
 }
 
 # ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
@@ -1412,7 +1195,7 @@ struct nistp_test_params {
     int degree;
     /*
      * Qx, Qy and D are taken from
-     * http://csrcdocut.gov/groups/ST/toolkit/documents/Examples/ECDSA_Prime.pdf
+     * http://csrc.nist.gov/groups/ST/toolkit/documents/Examples/ECDSA_Prime.pdf
      * Otherwise, values are standard curve parameters from FIPS 180-3
      */
     const char *p, *a, *b, *Qx, *Qy, *Gx, *Gy, *order, *d;
@@ -1470,142 +1253,156 @@ static const struct nistp_test_params nistp_tests_params[] = {
      EC_GFp_nistp521_method,
      521,
      /* p */
-     "1ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
+                                                                  "1ff"
+     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
      /* a */
-     "1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc",
+                                                                  "1ff"
+     "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+     "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffc",
      /* b */
-     "051953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e156193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00",
+                                                                  "051"
+     "953eb9618e1c9a1f929a21a0b68540eea2da725b99b315f3b8b489918ef109e1"
+     "56193951ec7e937b1652c0bd3bb1bf073573df883d2c34f1ef451fd46b503f00",
      /* Qx */
-     "0098e91eef9a68452822309c52fab453f5f117c1da8ed796b255e9ab8f6410cca16e59df403a6bdc6ca467a37056b1e54b3005d8ac030decfeb68df18b171885d5c4",
+                                                                 "0098"
+     "e91eef9a68452822309c52fab453f5f117c1da8ed796b255e9ab8f6410cca16e"
+     "59df403a6bdc6ca467a37056b1e54b3005d8ac030decfeb68df18b171885d5c4",
      /* Qy */
-     "0164350c321aecfc1cca1ba4364c9b15656150b4b78d6a48d7d28e7f31985ef17be8554376b72900712c4b83ad668327231526e313f5f092999a4632fd50d946bc2e",
+                                                                 "0164"
+     "350c321aecfc1cca1ba4364c9b15656150b4b78d6a48d7d28e7f31985ef17be8"
+     "554376b72900712c4b83ad668327231526e313f5f092999a4632fd50d946bc2e",
      /* Gx */
-     "c6858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dbaa14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66",
+                                                                   "c6"
+     "858e06b70404e9cd9e3ecb662395b4429c648139053fb521f828af606b4d3dba"
+     "a14b5e77efe75928fe1dc127a2ffa8de3348b3c1856a429bf97e7e31c2e5bd66",
      /* Gy */
-     "11839296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650",
+                                                                  "118"
+     "39296a789a3bc0045c8a5fb42c7d1bd998f54449579b446817afbd17273e662c"
+     "97ee72995ef42640c550b9013fad0761353c7086a272c24088be94769fd16650",
      /* order */
-     "1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409",
+                                                                  "1ff"
+     "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffa"
+     "51868783bf2f966b7fcc0148f709a5d03bb5c9b8899c47aebb6fb71e91386409",
      /* d */
-     "0100085f47b8e1b8b11b7eb33028c0b2888e304bfc98501955b45bba1478dc184eeedf09b86a5f7c21994406072787205e69a63709fe35aa93ba333514b24f961722",
+                                                                 "0100"
+     "085f47b8e1b8b11b7eb33028c0b2888e304bfc98501955b45bba1478dc184eee"
+     "df09b86a5f7c21994406072787205e69a63709fe35aa93ba333514b24f961722",
      },
 };
 
-static void nistp_single_test(const struct nistp_test_params *test)
+static int nistp_single_test(int idx)
 {
-    BN_CTX *ctx;
-    BIGNUM *p, *a, *b, *x, *y, *n, *m, *order;
-    EC_GROUP *NISTP;
-    EC_POINT *G, *P, *Q, *Q_CHECK;
-
-    fprintf(stdout, "\nNIST curve P-%d (optimised implementation):\n",
-            test->degree);
-    ctx = BN_CTX_new();
-    p = BN_new();
-    a = BN_new();
-    b = BN_new();
-    x = BN_new();
-    y = BN_new();
-    m = BN_new();
-    n = BN_new();
-    order = BN_new();
-
-    NISTP = EC_GROUP_new(test->meth());
-    if (!NISTP)
-        ABORT;
-    if (!BN_hex2bn(&p, test->p))
-        ABORT;
-    if (1 != BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
-        ABORT;
-    if (!BN_hex2bn(&a, test->a))
-        ABORT;
-    if (!BN_hex2bn(&b, test->b))
-        ABORT;
-    if (!EC_GROUP_set_curve_GFp(NISTP, p, a, b, ctx))
-        ABORT;
-    G = EC_POINT_new(NISTP);
-    P = EC_POINT_new(NISTP);
-    Q = EC_POINT_new(NISTP);
-    Q_CHECK = EC_POINT_new(NISTP);
-    if (!BN_hex2bn(&x, test->Qx))
-        ABORT;
-    if (!BN_hex2bn(&y, test->Qy))
-        ABORT;
-    if (!EC_POINT_set_affine_coordinates_GFp(NISTP, Q_CHECK, x, y, ctx))
-        ABORT;
-    if (!BN_hex2bn(&x, test->Gx))
-        ABORT;
-    if (!BN_hex2bn(&y, test->Gy))
-        ABORT;
-    if (!EC_POINT_set_affine_coordinates_GFp(NISTP, G, x, y, ctx))
-        ABORT;
-    if (!BN_hex2bn(&order, test->order))
-        ABORT;
-    if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))
-        ABORT;
-
-    fprintf(stdout, "verify degree ... ");
-    if (EC_GROUP_get_degree(NISTP) != test->degree)
-        ABORT;
-    fprintf(stdout, "ok\n");
-
-    fprintf(stdout, "NIST test vectors ... ");
-    if (!BN_hex2bn(&n, test->d))
-        ABORT;
+    const struct nistp_test_params *test = nistp_tests_params + idx;
+    BN_CTX *ctx = NULL;
+    BIGNUM *p = NULL, *a = NULL, *b = NULL, *x = NULL, *y = NULL;
+    BIGNUM *n = NULL, *m = NULL, *order = NULL, *yplusone = NULL;
+    EC_GROUP *NISTP = NULL;
+    EC_POINT *G = NULL, *P = NULL, *Q = NULL, *Q_CHECK = NULL;
+    int r = 0;
+
+    TEST_note("NIST curve P-%d (optimised implementation):",
+              test->degree);
+    if (!TEST_ptr(ctx = BN_CTX_new())
+        || !TEST_ptr(p = BN_new())
+        || !TEST_ptr(a = BN_new())
+        || !TEST_ptr(b = BN_new())
+        || !TEST_ptr(x = BN_new())
+        || !TEST_ptr(y = BN_new())
+        || !TEST_ptr(m = BN_new())
+        || !TEST_ptr(n = BN_new())
+        || !TEST_ptr(order = BN_new())
+        || !TEST_ptr(yplusone = BN_new())
+
+        || !TEST_ptr(NISTP = EC_GROUP_new(test->meth()))
+        || !TEST_true(BN_hex2bn(&p, test->p))
+        || !TEST_int_eq(1, BN_is_prime_ex(p, BN_prime_checks, ctx, NULL))
+        || !TEST_true(BN_hex2bn(&a, test->a))
+        || !TEST_true(BN_hex2bn(&b, test->b))
+        || !TEST_true(EC_GROUP_set_curve_GFp(NISTP, p, a, b, ctx))
+        || !TEST_ptr(G = EC_POINT_new(NISTP))
+        || !TEST_ptr(P = EC_POINT_new(NISTP))
+        || !TEST_ptr(Q = EC_POINT_new(NISTP))
+        || !TEST_ptr(Q_CHECK = EC_POINT_new(NISTP))
+        || !TEST_true(BN_hex2bn(&x, test->Qx))
+        || !TEST_true(BN_hex2bn(&y, test->Qy))
+        || !TEST_true(BN_add(yplusone, y, BN_value_one()))
+    /*
+     * When (x, y) is on the curve, (x, y + 1) is, as it happens, not,
+     * and therefore setting the coordinates should fail.
+     */
+        || !TEST_false(EC_POINT_set_affine_coordinates_GFp(NISTP, Q_CHECK, x,
+                                                           yplusone, ctx))
+        || !TEST_true(EC_POINT_set_affine_coordinates_GFp(NISTP, Q_CHECK, x, y,
+                                                          ctx))
+        || !TEST_true(BN_hex2bn(&x, test->Gx))
+        || !TEST_true(BN_hex2bn(&y, test->Gy))
+        || !TEST_true(EC_POINT_set_affine_coordinates_GFp(NISTP, G, x, y, ctx))
+        || !TEST_true(BN_hex2bn(&order, test->order))
+        || !TEST_true(EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))
+        || !TEST_int_eq(EC_GROUP_get_degree(NISTP), test->degree))
+        goto err;
+
+    TEST_note("NIST test vectors ... ");
+    if (!TEST_true(BN_hex2bn(&n, test->d)))
+        goto err;
     /* fixed point multiplication */
     EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx);
-    if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
-        ABORT;
+    if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+        goto err;
     /* random point multiplication */
     EC_POINT_mul(NISTP, Q, NULL, G, n, ctx);
-    if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
-        ABORT;
-
-    /* set generator to P = 2*G, where G is the standard generator */
-    if (!EC_POINT_dbl(NISTP, P, G, ctx))
-        ABORT;
-    if (!EC_GROUP_set_generator(NISTP, P, order, BN_value_one()))
-        ABORT;
-    /* set the scalar to m=n/2, where n is the NIST test scalar */
-    if (!BN_rshift(m, n, 1))
-        ABORT;
+    if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
+
+        /* set generator to P = 2*G, where G is the standard generator */
+        || !TEST_true(EC_POINT_dbl(NISTP, P, G, ctx))
+        || !TEST_true(EC_GROUP_set_generator(NISTP, P, order, BN_value_one()))
+        /* set the scalar to m=n/2, where n is the NIST test scalar */
+        || !TEST_true(BN_rshift(m, n, 1)))
+        goto err;
 
     /* test the non-standard generator */
     /* fixed point multiplication */
     EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);
-    if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
-        ABORT;
+    if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+        goto err;
     /* random point multiplication */
     EC_POINT_mul(NISTP, Q, NULL, P, m, ctx);
-    if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
-        ABORT;
+    if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
+
+    /*
+     * We have not performed precomputation so have_precompute mult should be
+     * false
+     */
+        || !TEST_false(EC_GROUP_have_precompute_mult(NISTP))
 
     /* now repeat all tests with precomputation */
-    if (!EC_GROUP_precompute_mult(NISTP, ctx))
-        ABORT;
+        || !TEST_true(EC_GROUP_precompute_mult(NISTP, ctx))
+        || !TEST_true(EC_GROUP_have_precompute_mult(NISTP)))
+        goto err;
 
     /* fixed point multiplication */
     EC_POINT_mul(NISTP, Q, m, NULL, NULL, ctx);
-    if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
-        ABORT;
+    if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+        goto err;
     /* random point multiplication */
     EC_POINT_mul(NISTP, Q, NULL, P, m, ctx);
-    if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
-        ABORT;
+    if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
 
     /* reset generator */
-    if (!EC_GROUP_set_generator(NISTP, G, order, BN_value_one()))
-        ABORT;
+        || !TEST_true(EC_GROUP_set_generator(NISTP, G, order, BN_value_one())))
+        goto err;
     /* fixed point multiplication */
     EC_POINT_mul(NISTP, Q, n, NULL, NULL, ctx);
-    if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
-        ABORT;
+    if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+        goto err;
     /* random point multiplication */
     EC_POINT_mul(NISTP, Q, NULL, G, n, ctx);
-    if (0 != EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx))
-        ABORT;
+    if (!TEST_int_eq(0, EC_POINT_cmp(NISTP, Q, Q_CHECK, ctx)))
+        goto err;
 
-    fprintf(stdout, "ok\n");
-    group_order_tests(NISTP);
+    r = group_order_tests(NISTP);
+err:
     EC_GROUP_free(NISTP);
     EC_POINT_free(G);
     EC_POINT_free(P);
@@ -1619,58 +1416,59 @@ static void nistp_single_test(const struct nistp_test_params *test)
     BN_free(x);
     BN_free(y);
     BN_free(order);
+    BN_free(yplusone);
     BN_CTX_free(ctx);
+    return r;
 }
+# endif
 
-static void nistp_tests()
+static int parameter_test(void)
 {
-    unsigned i;
+    EC_GROUP *group = NULL, *group2 = NULL;
+    ECPARAMETERS *ecparameters = NULL;
+    int r;
 
-    for (i = 0; i < OSSL_NELEM(nistp_tests_params); i++) {
-        nistp_single_test(&nistp_tests_params[i]);
-    }
+    r = TEST_ptr(group = EC_GROUP_new_by_curve_name(NID_secp112r1))
+        && TEST_ptr(ecparameters = EC_GROUP_get_ecparameters(group, NULL))
+        && TEST_ptr(group2 = EC_GROUP_new_from_ecparameters(ecparameters))
+        && TEST_int_eq(EC_GROUP_cmp(group, group2, NULL), 0);
+
+    EC_GROUP_free(group);
+    EC_GROUP_free(group2);
+    ECPARAMETERS_free(ecparameters);
+    return r;
 }
-# endif
 
 static const char rnd_seed[] =
     "string to make the random number generator think it has entropy";
+#endif
 
-int main(int argc, char *argv[])
+int test_main(int argc, char *argv[])
 {
+    int result = EXIT_SUCCESS;
+#ifndef OPENSSL_NO_EC
 
-    /* enable memory leak checking unless explicitly disabled */
-    if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL)
-          && (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off")))) {
-        CRYPTO_malloc_debug_init();
-        CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
-    } else {
-        /* OPENSSL_DEBUG_MEMORY=off */
-        CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
-    }
-    CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
-    ERR_load_crypto_strings();
+    crv_len = EC_get_builtin_curves(NULL, 0);
+    if (!TEST_ptr(curves = OPENSSL_malloc(sizeof(*curves) * crv_len))
+        || !TEST_true(EC_get_builtin_curves(curves, crv_len)))
+        return EXIT_FAILURE;
 
     RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_generate_prime may fail */
 
-    prime_field_tests();
-    puts("");
+    ADD_TEST(parameter_test);
+    ADD_TEST(prime_field_tests);
 # ifndef OPENSSL_NO_EC2M
-    char2_field_tests();
+    ADD_TEST(char2_field_tests);
+    ADD_ALL_TESTS(char2_curve_test, OSSL_NELEM(char2_curve_tests));
 # endif
 # ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
-    nistp_tests();
-# endif
-    /* test the internal curves */
-    internal_curve_test();
-
-# ifndef OPENSSL_NO_ENGINE
-    ENGINE_cleanup();
+    ADD_ALL_TESTS(nistp_single_test, OSSL_NELEM(nistp_tests_params));
 # endif
-    CRYPTO_cleanup_all_ex_data();
-    ERR_free_strings();
-    ERR_remove_thread_state(NULL);
-    CRYPTO_mem_leaks_fp(stderr);
+    ADD_ALL_TESTS(internal_curve_test, crv_len);
+    ADD_ALL_TESTS(internal_curve_test_method, crv_len);
 
-    return 0;
-}
+    result = run_tests(argv[0]);
+    OPENSSL_free(curves);
 #endif
+    return result;
+}