X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fec%2Fectest.c;h=f3866481be81d2f931901bb0526a2ceb3b9b8dc7;hp=f557480f44ccd117abe419f1bed0a238e15cf142;hb=0bf23d9b2055223c6e7a1398d2243a65dfa4c30d;hpb=adfe54b7beb931fa0a717fc2831bada8b4f4fa16

diff --git a/crypto/ec/ectest.c b/crypto/ec/ectest.c
index f557480f44..f3866481be 100644
--- a/crypto/ec/ectest.c
+++ b/crypto/ec/ectest.c
@@ -1,5 +1,7 @@
-/* TODO */
 /* crypto/ec/ectest.c */
+/*
+ * Originally written by Bodo Moeller for the OpenSSL project.
+ */
 /* ====================================================================
  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  *
@@ -53,30 +55,1184 @@
  * Hudson (tjh@cryptsoft.com).
  *
  */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * Portions of the attached software ("Contribution") are developed by 
+ * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
+ *
+ * The Contribution is licensed pursuant to the OpenSSL open source
+ * license provided above.
+ *
+ * The elliptic curve binary polynomial software is originally written by 
+ * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
+ *
+ */
 
 #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 <openssl/ec.h>
+#include <openssl/engine.h>
 #include <openssl/err.h>
-
+#include <openssl/obj_mac.h>
+#include <openssl/objects.h>
 
 #define ABORT do { \
-	fprintf(stderr, "%s:%d: Error\n", __FILE__, __LINE__); \
+	fflush(stdout); \
+	fprintf(stderr, "%s:%d: ABORT\n", __FILE__, __LINE__); \
 	ERR_print_errors_fp(stderr); \
 	exit(1); \
 } while (0)
 
-int main(int argc, char *argv[])
+void prime_field_tests(void);
+void char2_field_tests(void);
+void internal_curve_test(void);
+
+#if 0
+static void timings(EC_GROUP *group, int multi, BN_CTX *ctx)
+	{
+	clock_t clck;
+	int i, j;
+	BIGNUM *s;
+	BIGNUM *r[10], *r0[10];
+	EC_POINT *P;
+		
+	s = BN_new();
+	if (s == NULL) ABORT;
+
+	fprintf(stdout, "Timings for %d-bit field, ", EC_GROUP_get_degree(group));
+	if (!EC_GROUP_get_order(group, s, ctx)) ABORT;
+	fprintf(stdout, "%d-bit scalars ", (int)BN_num_bits(s));
+	fflush(stdout);
+
+	P = EC_POINT_new(group);
+	if (P == NULL) ABORT;
+	EC_POINT_copy(P, EC_GROUP_get0_generator(group));
+
+	for (i = 0; i < 10; i++)
+		{
+		if ((r[i] = BN_new()) == NULL) ABORT;
+		if (!BN_pseudo_rand(r[i], BN_num_bits(s), 0, 0)) ABORT;
+		if (multi)
+			{
+			if ((r0[i] = BN_new()) == NULL) ABORT;
+			if (!BN_pseudo_rand(r0[i], BN_num_bits(s), 0, 0)) ABORT;
+			}
+		}
+
+	clck = clock();
+	for (i = 0; i < 10; i++)
+		{
+		for (j = 0; j < 10; j++)
+			{
+			if (!EC_POINT_mul(group, P, r[i], multi ? P : NULL, multi ? r0[i] : NULL, ctx)) ABORT;
+			}
+		}
+	fprintf(stdout, "\n");
+	
+	clck = clock() - clck;
+
+#ifdef CLOCKS_PER_SEC
+	/* "To determine the time in seconds, the value returned
+	 * by the clock function should be divided by the value
+	 * of the macro CLOCKS_PER_SEC."
+	 *                                       -- ISO/IEC 9899 */
+#	define UNIT "s"
+#else
+	/* "`CLOCKS_PER_SEC' undeclared (first use this function)"
+	 *                            -- cc on NeXTstep/OpenStep */
+#	define UNIT "units"
+#	define CLOCKS_PER_SEC 1
+#endif
+
+	fprintf(stdout, "%i %s in %.2f " UNIT "\n", i*j,
+		multi ? "s*P+t*Q operations" : "point multiplications",
+		(double)clck/CLOCKS_PER_SEC);
+	fprintf(stdout, "average: %.4f " UNIT "\n", (double)clck/(CLOCKS_PER_SEC*i*j));
+
+	EC_POINT_free(P);
+	BN_free(s);
+	for (i = 0; i < 10; i++)
+		{
+		BN_free(r[i]);
+		if (multi) BN_free(r0[i]);
+		}
+	}
+#endif
+
+void prime_field_tests()
 	{	
+	BN_CTX *ctx = NULL;
+	BIGNUM *p, *a, *b;
 	EC_GROUP *group;
+	EC_GROUP *P_192 = NULL, *P_224 = NULL, *P_256 = NULL, *P_384 = NULL, *P_521 = NULL;
+	EC_POINT *P, *Q, *R;
+	BIGNUM *x, *y, *z;
+	unsigned char buf[100];
+	size_t i, len;
+	int k;
+	
+#if 1 /* optional */
+	ctx = BN_CTX_new();
+	if (!ctx) ABORT;
+#endif
+
+	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;
+
+	{
+		EC_GROUP *tmp;
+		tmp = EC_GROUP_new(EC_GROUP_method_of(group));
+		if (!tmp) ABORT;
+		if (!EC_GROUP_copy(tmp, group));
+		EC_GROUP_free(group);
+		group = tmp;
+	}
+	
+	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;
+
+	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))
+		{
+		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;
+		}
+
+	fprintf(stdout, "A cyclic subgroup:\n");
+	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 (!EC_POINT_copy(R, P)) ABORT;
+		if (!EC_POINT_add(group, P, P, Q, ctx)) ABORT;
+
+#if 0 /* optional */
+		{
+			EC_POINT *points[3];
+		
+			points[0] = R;
+			points[1] = Q;
+			points[2] = P;
+			if (!EC_POINTs_make_affine(group, 2, points, ctx)) ABORT;
+		}
+#endif
+
+		}
+	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;
+
+	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 octect 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 octect 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 octect 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;
+
+
+	/* Curve P-192 (FIPS PUB 186-2, App. 6) */
+	
+	if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF")) ABORT;
+	if (1 != BN_is_prime(p, BN_prime_checks, 0, 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)) 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");
+	/* 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");
+	
+	fprintf(stdout, "verify group order ...");
+	fflush(stdout);
+	if (!EC_GROUP_get_order(group, z, ctx)) ABORT;
+	if (!EC_POINT_mul(group, Q, z, 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, z, NULL, NULL, ctx)) ABORT;
+	if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
+	fprintf(stdout, " ok\n");
+
+	if (!(P_192 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
+	if (!EC_GROUP_copy(P_192, group)) ABORT;
+
+
+	/* Curve P-224 (FIPS PUB 186-2, App. 6) */
+	
+	if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001")) ABORT;
+	if (1 != BN_is_prime(p, BN_prime_checks, 0, 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)) 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");
+	/* 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");
+	
+	fprintf(stdout, "verify group order ...");
+	fflush(stdout);
+	if (!EC_GROUP_get_order(group, z, ctx)) ABORT;
+	if (!EC_POINT_mul(group, Q, z, 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, z, NULL, NULL, ctx)) ABORT;
+	if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
+	fprintf(stdout, " ok\n");
+
+	if (!(P_224 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
+	if (!EC_GROUP_copy(P_224, group)) ABORT;
+
+
+	/* Curve P-256 (FIPS PUB 186-2, App. 6) */
+	
+	if (!BN_hex2bn(&p, "FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF")) ABORT;
+	if (1 != BN_is_prime(p, BN_prime_checks, 0, 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)) 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");
+	/* 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");
+	
+	fprintf(stdout, "verify group order ...");
+	fflush(stdout);
+	if (!EC_GROUP_get_order(group, z, ctx)) ABORT;
+	if (!EC_POINT_mul(group, Q, z, 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, z, NULL, NULL, ctx)) ABORT;
+	if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
+	fprintf(stdout, " ok\n");
+
+	if (!(P_256 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
+	if (!EC_GROUP_copy(P_256, group)) ABORT;
+
+
+	/* Curve P-384 (FIPS PUB 186-2, App. 6) */
+	
+	if (!BN_hex2bn(&p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+		"FFFFFFFFFFFFFFFFFEFFFFFFFF0000000000000000FFFFFFFF")) ABORT;
+	if (1 != BN_is_prime(p, BN_prime_checks, 0, 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)) 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");
+	/* 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");
+	
+	fprintf(stdout, "verify group order ...");
+	fflush(stdout);
+	if (!EC_GROUP_get_order(group, z, ctx)) ABORT;
+	if (!EC_POINT_mul(group, Q, z, 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, z, NULL, NULL, ctx)) ABORT;
+	if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
+	fprintf(stdout, " ok\n");
+
+	if (!(P_384 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
+	if (!EC_GROUP_copy(P_384, group)) ABORT;
+
+
+	/* Curve P-521 (FIPS PUB 186-2, App. 6) */
+	
+	if (!BN_hex2bn(&p, "1FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+		"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
+		"FFFFFFFFFFFFFFFFFFFFFFFFFFFF")) ABORT;
+	if (1 != BN_is_prime(p, BN_prime_checks, 0, 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)) 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;
+	
+	fprintf(stdout, "verify degree ...");
+	if (EC_GROUP_get_degree(group) != 521) ABORT;
+	fprintf(stdout, " ok\n");
+	
+	fprintf(stdout, "verify group order ...");
+	fflush(stdout);
+	if (!EC_GROUP_get_order(group, z, ctx)) ABORT;
+	if (!EC_POINT_mul(group, Q, z, 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, z, NULL, NULL, ctx)) ABORT;
+	if (!EC_POINT_is_at_infinity(group, Q)) ABORT;
+	fprintf(stdout, " ok\n");
+
+	if (!(P_521 = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT;
+	if (!EC_GROUP_copy(P_521, group)) ABORT;
+
+
+	/* more tests using the last curve */
+
+	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)) 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_sign(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_sign(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");
+	}
 
-	ERR_load_crypto_strings();
 
 #if 0
-	group = EC_GROUP_new(NULL);
+	timings(P_192, 0, ctx);
+	timings(P_192, 1, ctx);
+	timings(P_224, 0, ctx);
+	timings(P_224, 1, ctx);
+	timings(P_256, 0, ctx);
+	timings(P_256, 1, ctx);
+	timings(P_384, 0, ctx);
+	timings(P_384, 1, ctx);
+	timings(P_521, 0, ctx);
+	timings(P_521, 1, ctx);
+#endif
+
+
+	if (ctx)
+		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);
+
+	if (P_192) EC_GROUP_free(P_192);
+	if (P_224) EC_GROUP_free(P_224);
+	if (P_256) EC_GROUP_free(P_256);
+	if (P_384) EC_GROUP_free(P_384);
+	if (P_521) EC_GROUP_free(P_521);
+
+	}
+
+/* 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)) 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)) 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"); \
+	fprintf(stdout, "verify group order ..."); \
+	fflush(stdout); \
+	if (!EC_GROUP_get_order(group, z, ctx)) ABORT; \
+	if (!EC_POINT_mul(group, Q, z, 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, z, NULL, NULL, ctx)) ABORT; \
+	if (!EC_POINT_is_at_infinity(group, Q)) ABORT; \
+	fprintf(stdout, " ok\n"); \
+	if (!(_variable = EC_GROUP_new(EC_GROUP_method_of(group)))) ABORT; \
+	if (!EC_GROUP_copy(_variable, group)) ABORT;
+
+void char2_field_tests()
+	{	
+	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;
+	unsigned char buf[100];
+	size_t i, len;
+	int k;
+	
+#if 1 /* optional */
+	ctx = BN_CTX_new();
+	if (!ctx) ABORT;
+#endif
+
+	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;
+	
+	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;
+
+	{
+		EC_GROUP *tmp;
+		tmp = EC_GROUP_new(EC_GROUP_method_of(group));
+		if (!tmp) ABORT;
+		if (!EC_GROUP_copy(tmp, group));
+		EC_GROUP_free(group);
+		group = tmp;
+	}
+	
+	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;
+
+	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;
+/* 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;
+#else
+	if (!BN_hex2bn(&y, "8")) ABORT;
+	if (!EC_POINT_set_affine_coordinates_GF2m(group, Q, x, y, ctx)) ABORT;
+#endif
+	if (!EC_POINT_is_on_curve(group, Q, ctx))
+		{
+/* 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;
+#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;
+		}
+
+	fprintf(stdout, "A cyclic subgroup:\n");
+	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_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 (!EC_POINT_copy(R, P)) ABORT;
+		if (!EC_POINT_add(group, P, P, Q, ctx)) ABORT;
+		}
+	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;
+
+/* 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]);
+#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]);
+	
+/* 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]);
+#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 (!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)) 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_sign(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_sign(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");
+	}
+
+
+#if 0
+	timings(C2_K163, 0, ctx);
+	timings(C2_K163, 1, ctx);
+	timings(C2_B163, 0, ctx);
+	timings(C2_B163, 1, ctx);
+	timings(C2_K233, 0, ctx);
+	timings(C2_K233, 1, ctx);
+	timings(C2_B233, 0, ctx);
+	timings(C2_B233, 1, ctx);
+	timings(C2_K283, 0, ctx);
+	timings(C2_K283, 1, ctx);
+	timings(C2_B283, 0, ctx);
+	timings(C2_B283, 1, ctx);
+	timings(C2_K409, 0, ctx);
+	timings(C2_K409, 1, ctx);
+	timings(C2_B409, 0, ctx);
+	timings(C2_B409, 1, ctx);
+	timings(C2_K571, 0, ctx);
+	timings(C2_K571, 1, ctx);
+	timings(C2_B571, 0, ctx);
+	timings(C2_B571, 1, ctx);
 #endif
 
+
+	if (ctx)
+		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); BN_free(cof);
+
+	if (C2_K163) EC_GROUP_free(C2_K163);
+	if (C2_B163) EC_GROUP_free(C2_B163);
+	if (C2_K233) EC_GROUP_free(C2_K233);
+	if (C2_B233) EC_GROUP_free(C2_B233);
+	if (C2_K283) EC_GROUP_free(C2_K283);
+	if (C2_B283) EC_GROUP_free(C2_B283);
+	if (C2_K409) EC_GROUP_free(C2_K409);
+	if (C2_B409) EC_GROUP_free(C2_B409);
+	if (C2_K571) EC_GROUP_free(C2_K571);
+	if (C2_B571) EC_GROUP_free(C2_B571);
+
+	}
+
+void internal_curve_test(void)
+	{
+	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(EC_builtin_curve) * crv_len);
+
+	if (curves == NULL)
+		return;
+
+	if (!EC_get_builtin_curves(curves, crv_len))
+		{
+		OPENSSL_free(curves);
+		return;
+		}
+
+	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_nid(nid)) == NULL)
+			{
+			ok = 0;
+			fprintf(stdout, "\nEC_GROUP_new_by_nid() 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);
+		EC_GROUP_free(group);
+		}
+	if (ok)
+		fprintf(stdout, " ok\n");
+	else
+		fprintf(stdout, " failed\n");
+	OPENSSL_free(curves);
+	return;
+	}
+
+static const char rnd_seed[] = "string to make the random number generator think it has entropy";
+
+int main(int argc, char *argv[])
+	{	
+	
+	/* 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();
+
+	RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_generate_prime may fail */
+
+	prime_field_tests();
+	puts("");
+	char2_field_tests();
+	/* test the internal curves */
+	internal_curve_test();
+
+	ENGINE_cleanup();
+	CRYPTO_cleanup_all_ex_data();
+	ERR_free_strings();
+	ERR_remove_state(0);
+	CRYPTO_mem_leaks_fp(stderr);
+	
 	return 0;
 	}
+#endif