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-rw-r--r--thirdparty/openssl/crypto/bn/bn_rand.c294
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diff --git a/thirdparty/openssl/crypto/bn/bn_rand.c b/thirdparty/openssl/crypto/bn/bn_rand.c
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index 60d3f2260b..0000000000
--- a/thirdparty/openssl/crypto/bn/bn_rand.c
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@@ -1,294 +0,0 @@
-/* crypto/bn/bn_rand.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.
- *
- * 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.]
- */
-/* ====================================================================
- * 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).
- *
- */
-
-#include <stdio.h>
-#include <time.h>
-#include "cryptlib.h"
-#include "bn_lcl.h"
-#include <openssl/rand.h>
-
-static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
-{
- unsigned char *buf = NULL;
- int ret = 0, bit, bytes, mask;
- time_t tim;
-
- if (bits == 0) {
- if (top != -1 || bottom != 0)
- goto toosmall;
- BN_zero(rnd);
- return 1;
- }
- if (bits < 0 || (bits == 1 && top > 0))
- goto toosmall;
-
- bytes = (bits + 7) / 8;
- bit = (bits - 1) % 8;
- mask = 0xff << (bit + 1);
-
- buf = (unsigned char *)OPENSSL_malloc(bytes);
- if (buf == NULL) {
- BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- /* make a random number and set the top and bottom bits */
- time(&tim);
- RAND_add(&tim, sizeof(tim), 0.0);
-
- /* We ignore the value of pseudorand and always call RAND_bytes */
- if (RAND_bytes(buf, bytes) <= 0)
- goto err;
-
-#if 1
- if (pseudorand == 2) {
- /*
- * generate patterns that are more likely to trigger BN library bugs
- */
- int i;
- unsigned char c;
-
- for (i = 0; i < bytes; i++) {
- if (RAND_pseudo_bytes(&c, 1) < 0)
- goto err;
- if (c >= 128 && i > 0)
- buf[i] = buf[i - 1];
- else if (c < 42)
- buf[i] = 0;
- else if (c < 84)
- buf[i] = 255;
- }
- }
-#endif
-
- if (top >= 0) {
- if (top) {
- if (bit == 0) {
- buf[0] = 1;
- buf[1] |= 0x80;
- } else {
- buf[0] |= (3 << (bit - 1));
- }
- } else {
- buf[0] |= (1 << bit);
- }
- }
- buf[0] &= ~mask;
- if (bottom) /* set bottom bit if requested */
- buf[bytes - 1] |= 1;
- if (!BN_bin2bn(buf, bytes, rnd))
- goto err;
- ret = 1;
- err:
- if (buf != NULL) {
- OPENSSL_cleanse(buf, bytes);
- OPENSSL_free(buf);
- }
- bn_check_top(rnd);
- return (ret);
-
-toosmall:
- BNerr(BN_F_BNRAND, BN_R_BITS_TOO_SMALL);
- return 0;
-}
-
-int BN_rand(BIGNUM *rnd, int bits, int top, int bottom)
-{
- return bnrand(0, rnd, bits, top, bottom);
-}
-
-int BN_pseudo_rand(BIGNUM *rnd, int bits, int top, int bottom)
-{
- return bnrand(1, rnd, bits, top, bottom);
-}
-
-#if 1
-int BN_bntest_rand(BIGNUM *rnd, int bits, int top, int bottom)
-{
- return bnrand(2, rnd, bits, top, bottom);
-}
-#endif
-
-/* random number r: 0 <= r < range */
-static int bn_rand_range(int pseudo, BIGNUM *r, const BIGNUM *range)
-{
- int (*bn_rand) (BIGNUM *, int, int, int) =
- pseudo ? BN_pseudo_rand : BN_rand;
- int n;
- int count = 100;
-
- if (range->neg || BN_is_zero(range)) {
- BNerr(BN_F_BN_RAND_RANGE, BN_R_INVALID_RANGE);
- return 0;
- }
-
- n = BN_num_bits(range); /* n > 0 */
-
- /* BN_is_bit_set(range, n - 1) always holds */
-
- if (n == 1)
- BN_zero(r);
- else if (!BN_is_bit_set(range, n - 2) && !BN_is_bit_set(range, n - 3)) {
- /*
- * range = 100..._2, so 3*range (= 11..._2) is exactly one bit longer
- * than range
- */
- do {
- if (!bn_rand(r, n + 1, -1, 0))
- return 0;
- /*
- * If r < 3*range, use r := r MOD range (which is either r, r -
- * range, or r - 2*range). Otherwise, iterate once more. Since
- * 3*range = 11..._2, each iteration succeeds with probability >=
- * .75.
- */
- if (BN_cmp(r, range) >= 0) {
- if (!BN_sub(r, r, range))
- return 0;
- if (BN_cmp(r, range) >= 0)
- if (!BN_sub(r, r, range))
- return 0;
- }
-
- if (!--count) {
- BNerr(BN_F_BN_RAND_RANGE, BN_R_TOO_MANY_ITERATIONS);
- return 0;
- }
-
- }
- while (BN_cmp(r, range) >= 0);
- } else {
- do {
- /* range = 11..._2 or range = 101..._2 */
- if (!bn_rand(r, n, -1, 0))
- return 0;
-
- if (!--count) {
- BNerr(BN_F_BN_RAND_RANGE, BN_R_TOO_MANY_ITERATIONS);
- return 0;
- }
- }
- while (BN_cmp(r, range) >= 0);
- }
-
- bn_check_top(r);
- return 1;
-}
-
-int BN_rand_range(BIGNUM *r, const BIGNUM *range)
-{
- return bn_rand_range(0, r, range);
-}
-
-int BN_pseudo_rand_range(BIGNUM *r, const BIGNUM *range)
-{
- return bn_rand_range(1, r, range);
-}
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