-/* crypto/bn/bntest.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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 <openssl/x509.h>
#include <openssl/err.h>
+/*
+ * In bn_lcl.h, bn_expand() is defined as a static ossl_inline function.
+ * This is fine in itself, it will end up as an unused static function in
+ * the worst case. However, it referenses bn_expand2(), which is a private
+ * function in libcrypto and therefore unavailable on some systems. This
+ * may result in a linker error because of unresolved symbols.
+ *
+ * To avoid this, we define a dummy variant of bn_expand2() here, and to
+ * avoid possible clashes with libcrypto, we rename it first, using a macro.
+ */
+#define bn_expand2 dummy_bn_expand2
+BIGNUM *bn_expand2(BIGNUM *b, int words);
+BIGNUM *bn_expand2(BIGNUM *b, int words) { return NULL; }
+
#include "../crypto/bn/bn_lcl.h"
-const int num0 = 100; /* number of tests */
-const int num1 = 50; /* additional tests for some functions */
-const int num2 = 5; /* number of tests for slow functions */
+static const int num0 = 100; /* number of tests */
+static const int num1 = 50; /* additional tests for some functions */
+static const int num2 = 5; /* number of tests for slow functions */
int test_add(BIO *bp);
int test_sub(BIO *bp);
int test_kron(BIO *bp, BN_CTX *ctx);
int test_sqrt(BIO *bp, BN_CTX *ctx);
int test_small_prime(BIO *bp, BN_CTX *ctx);
-int test_probable_prime_coprime(BIO *bp, BN_CTX *ctx);
+int test_bn2dec(BIO *bp);
int rand_neg(void);
static int results = 0;
BIO *out;
char *outfile = NULL;
+ CRYPTO_set_mem_debug(1);
+ CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
results = 0;
RAND_seed(rnd_seed, sizeof rnd_seed); /* or BN_generate_prime may fail */
if (out == NULL)
EXIT(1);
if (outfile == NULL) {
- BIO_set_fp(out, stdout, BIO_NOCLOSE);
+ BIO_set_fp(out, stdout, BIO_NOCLOSE | BIO_FP_TEXT);
} else {
if (!BIO_write_filename(out, outfile)) {
perror(outfile);
EXIT(1);
}
}
+#ifdef OPENSSL_SYS_VMS
+ {
+ BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+ out = BIO_push(tmpbio, out);
+ }
+#endif
if (!results)
BIO_puts(out, "obase=16\nibase=16\n");
goto err;
(void)BIO_flush(out);
-#ifdef OPENSSL_SYS_WIN32
- message(out, "Probable prime generation with coprimes disabled");
-#else
- message(out, "Probable prime generation with coprimes");
- if (!test_probable_prime_coprime(out, ctx))
+ message(out, "BN_bn2dec");
+ if (!test_bn2dec(out))
goto err;
-#endif
(void)BIO_flush(out);
#ifndef OPENSSL_NO_EC2M
BN_CTX_free(ctx);
BIO_free(out);
+ ERR_print_errors_fp(stderr);
+
+#ifndef OPENSSL_NO_CRYPTO_MDEBUG
+ if (CRYPTO_mem_leaks_fp(stderr) <= 0)
+ EXIT(1);
+#endif
EXIT(0);
err:
BIO_puts(out, "1\n"); /* make sure the Perl script fed by bc
* notices the failure, see test_bn in
* test/Makefile.ssl */
(void)BIO_flush(out);
- ERR_load_crypto_strings();
+ BN_CTX_free(ctx);
+ BIO_free(out);
+
ERR_print_errors_fp(stderr);
EXIT(1);
}
d = BN_new();
e = BN_new();
+ BN_one(a);
+ BN_zero(b);
+
+ if (BN_div(d, c, a, b, ctx)) {
+ fprintf(stderr, "Division by zero succeeded!\n");
+ return 0;
+ }
+
for (i = 0; i < num0 + num1; i++) {
if (i < num1) {
BN_bntest_rand(a, 400, 0, 0);
static void print_word(BIO *bp, BN_ULONG w)
{
-#ifdef SIXTY_FOUR_BIT
- if (sizeof(w) > sizeof(unsigned long)) {
- unsigned long h = (unsigned long)(w >> 32), l = (unsigned long)(w);
-
- if (h)
- BIO_printf(bp, "%lX%08lX", h, l);
+ int i = sizeof(w) * 8;
+ char *fmt = NULL;
+ unsigned char byte;
+
+ do {
+ i -= 8;
+ byte = (unsigned char)(w >> i);
+ if (fmt == NULL)
+ fmt = byte ? "%X" : NULL;
else
- BIO_printf(bp, "%lX", l);
- return;
- }
-#endif
- BIO_printf(bp, BN_HEX_FMT1, w);
+ fmt = "%02X";
+
+ if (fmt != NULL)
+ BIO_printf(bp, fmt, byte);
+ } while (i);
+
+ /* If we haven't printed anything, at least print a zero! */
+ if (fmt == NULL)
+ BIO_printf(bp, "0");
}
int test_div_word(BIO *bp)
{
BIGNUM *a, *b;
- BN_ULONG r, s;
+ BN_ULONG r, rmod, s;
int i;
a = BN_new();
do {
BN_bntest_rand(a, 512, -1, 0);
BN_bntest_rand(b, BN_BITS2, -1, 0);
- s = b->d[0];
- } while (!s);
+ } while (BN_is_zero(b));
+ s = b->d[0];
BN_copy(b, a);
+ rmod = BN_mod_word(b, s);
r = BN_div_word(b, s);
+ if (rmod != r) {
+ fprintf(stderr, "Mod (word) test failed!\n");
+ return 0;
+ }
+
if (bp != NULL) {
if (!results) {
BN_print(bp, a);
if (mont == NULL)
return 0;
+ BN_zero(n);
+ if (BN_MONT_CTX_set(mont, n, ctx)) {
+ fprintf(stderr, "BN_MONT_CTX_set succeeded for zero modulus!\n");
+ return 0;
+ }
+
+ BN_set_word(n, 16);
+ if (BN_MONT_CTX_set(mont, n, ctx)) {
+ fprintf(stderr, "BN_MONT_CTX_set succeeded for even modulus!\n");
+ return 0;
+ }
+
BN_bntest_rand(a, 100, 0, 0);
BN_bntest_rand(b, 100, 0, 0);
for (i = 0; i < num2; i++) {
return 0;
}
}
+
+ /* Regression test for carry bug in mulx4x_mont */
+ BN_hex2bn(&a,
+ "7878787878787878787878787878787878787878787878787878787878787878"
+ "7878787878787878787878787878787878787878787878787878787878787878"
+ "7878787878787878787878787878787878787878787878787878787878787878"
+ "7878787878787878787878787878787878787878787878787878787878787878");
+ BN_hex2bn(&b,
+ "095D72C08C097BA488C5E439C655A192EAFB6380073D8C2664668EDDB4060744"
+ "E16E57FB4EDB9AE10A0CEFCDC28A894F689A128379DB279D48A2E20849D68593"
+ "9B7803BCF46CEBF5C533FB0DD35B080593DE5472E3FE5DB951B8BFF9B4CB8F03"
+ "9CC638A5EE8CDD703719F8000E6A9F63BEED5F2FCD52FF293EA05A251BB4AB81");
+ BN_hex2bn(&n,
+ "D78AF684E71DB0C39CFF4E64FB9DB567132CB9C50CC98009FEB820B26F2DED9B"
+ "91B9B5E2B83AE0AE4EB4E0523CA726BFBE969B89FD754F674CE99118C3F2D1C5"
+ "D81FDC7C54E02B60262B241D53C040E99E45826ECA37A804668E690E1AFC1CA4"
+ "2C9A15D84D4954425F0B7642FC0BD9D7B24E2618D2DCC9B729D944BADACFDDAF");
+ BN_MONT_CTX_set(mont, n, ctx);
+ BN_mod_mul_montgomery(c, a, b, mont, ctx);
+ BN_mod_mul_montgomery(d, b, a, mont, ctx);
+ if (BN_cmp(c, d)) {
+ fprintf(stderr, "Montgomery multiplication test failed:"
+ " a*b != b*a.\n");
+ return 0;
+ }
+
BN_MONT_CTX_free(mont);
BN_free(a);
BN_free(b);
d = BN_new();
e = BN_new();
+ BN_one(a);
+ BN_one(b);
+ BN_zero(c);
+ if (BN_mod_mul(e, a, b, c, ctx)) {
+ fprintf(stderr, "BN_mod_mul with zero modulus succeeded!\n");
+ return 0;
+ }
+
for (j = 0; j < 3; j++) {
BN_bntest_rand(c, 1024, 0, 0);
for (i = 0; i < num0; i++) {
d = BN_new();
e = BN_new();
+ BN_one(a);
+ BN_one(b);
+ BN_zero(c);
+ if (BN_mod_exp(d, a, b, c, ctx)) {
+ fprintf(stderr, "BN_mod_exp with zero modulus succeeded!\n");
+ return 0;
+ }
+
BN_bntest_rand(c, 30, 0, 1); /* must be odd for montgomery */
for (i = 0; i < num2; i++) {
BN_bntest_rand(a, 20 + i * 5, 0, 0);
return 0;
}
}
+
+ /* Regression test for carry propagation bug in sqr8x_reduction */
+ BN_hex2bn(&a, "050505050505");
+ BN_hex2bn(&b, "02");
+ BN_hex2bn(&c,
+ "4141414141414141414141274141414141414141414141414141414141414141"
+ "4141414141414141414141414141414141414141414141414141414141414141"
+ "4141414141414141414141800000000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000000000000000000000000000"
+ "0000000000000000000000000000000000000000000000000000000001");
+ BN_mod_exp(d, a, b, c, ctx);
+ BN_mul(e, a, a, ctx);
+ if (BN_cmp(d, e)) {
+ fprintf(stderr, "BN_mod_exp and BN_mul produce different results!\n");
+ return 0;
+ }
+
BN_free(a);
BN_free(b);
BN_free(c);
d = BN_new();
e = BN_new();
+ BN_one(a);
+ BN_one(b);
+ BN_zero(c);
+ if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) {
+ fprintf(stderr, "BN_mod_exp_mont_consttime with zero modulus "
+ "succeeded\n");
+ return 0;
+ }
+
+ BN_set_word(c, 16);
+ if (BN_mod_exp_mont_consttime(d, a, b, c, ctx, NULL)) {
+ fprintf(stderr, "BN_mod_exp_mont_consttime with even modulus "
+ "succeeded\n");
+ return 0;
+ }
+
BN_bntest_rand(c, 30, 0, 1); /* must be odd for montgomery */
for (i = 0; i < num2; i++) {
BN_bntest_rand(a, 20 + i * 5, 0, 0);
c = BN_new();
for (i = 0; i < num0; i++) {
- BN_rand(a, 512, 0, 0);
+ BN_rand(a, 512, BN_RAND_TOP_ONE, BN_RAND_BOTTOM_ANY);
BN_copy(b, BN_value_one());
a->neg = rand_neg();
b->neg = rand_neg();
return ret;
}
-#ifndef OPENSSL_SYS_WIN32
-int test_probable_prime_coprime(BIO *bp, BN_CTX *ctx)
+int test_bn2dec(BIO *bp)
{
- int i, j, ret = 0;
- BIGNUM *r;
- BN_ULONG primes[5] = { 2, 3, 5, 7, 11 };
+ static const char *bn2dec_tests[] = {
+ "0",
+ "1",
+ "-1",
+ "100",
+ "-100",
+ "123456789012345678901234567890",
+ "-123456789012345678901234567890",
+ "123456789012345678901234567890123456789012345678901234567890",
+ "-123456789012345678901234567890123456789012345678901234567890",
+ };
+ int ret = 0;
+ size_t i;
+ BIGNUM *bn = NULL;
+ char *dec = NULL;
- r = BN_new();
+ for (i = 0; i < OSSL_NELEM(bn2dec_tests); i++) {
+ if (!BN_dec2bn(&bn, bn2dec_tests[i]))
+ goto err;
- for (i = 0; i < 1000; i++) {
- if (!bn_probable_prime_dh_coprime(r, 1024, ctx))
+ dec = BN_bn2dec(bn);
+ if (dec == NULL) {
+ fprintf(stderr, "BN_bn2dec failed on %s.\n", bn2dec_tests[i]);
goto err;
+ }
- for (j = 0; j < 5; j++) {
- if (BN_mod_word(r, primes[j]) == 0) {
- BIO_printf(bp, "Number generated is not coprime to "
- BN_DEC_FMT1 ":\n", primes[j]);
- BN_print_fp(stdout, r);
- BIO_printf(bp, "\n");
- goto err;
- }
+ if (strcmp(dec, bn2dec_tests[i]) != 0) {
+ fprintf(stderr, "BN_bn2dec gave %s, wanted %s.\n", dec,
+ bn2dec_tests[i]);
+ goto err;
}
+
+ OPENSSL_free(dec);
+ dec = NULL;
}
ret = 1;
- err:
- BN_clear_free(r);
+err:
+ BN_free(bn);
+ OPENSSL_free(dec);
return ret;
}
-#endif
+
int test_lshift(BIO *bp, BN_CTX *ctx, BIGNUM *a_)
{
BIGNUM *a, *b, *c, *d;
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