abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-08-14 01:53:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

quantum init

Browse Source
This commit is contained in:
zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
Download Patch File Download Diff File Expand all files Collapse all files

214
crypto/bn/bn_rand.c
View File

@@ -1,20 +1,119 @@
/*
* Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
/* 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).
*
* 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
*/
#include <stdio.h>
#include <time.h>
#include "internal/cryptlib.h"
#include "cryptlib.h"
#include "bn_lcl.h"
#include <openssl/rand.h>
#ifndef OPENSSL_NO_SHA
# include <openssl/sha.h>
#endif
static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
{
@@ -23,7 +122,7 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
time_t tim;
if (bits == 0) {
if (top != BN_RAND_TOP_ANY || bottom != BN_RAND_BOTTOM_ANY)
if (top != -1 || bottom != 0)
goto toosmall;
BN_zero(rnd);
return 1;
@@ -35,7 +134,7 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
bit = (bits - 1) % 8;
mask = 0xff << (bit + 1);
buf = OPENSSL_malloc(bytes);
buf = (unsigned char *)OPENSSL_malloc(bytes);
if (buf == NULL) {
BNerr(BN_F_BNRAND, ERR_R_MALLOC_FAILURE);
goto err;
@@ -45,9 +144,11 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
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
@@ -56,7 +157,7 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
unsigned char c;
for (i = 0; i < bytes; i++) {
if (RAND_bytes(&c, 1) <= 0)
if (RAND_pseudo_bytes(&c, 1) < 0)
goto err;
if (c >= 128 && i > 0)
buf[i] = buf[i - 1];
@@ -66,6 +167,7 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
buf[i] = 255;
}
}
#endif
if (top >= 0) {
if (top) {
@@ -86,7 +188,10 @@ static int bnrand(int pseudorand, BIGNUM *rnd, int bits, int top, int bottom)
goto err;
ret = 1;
err:
OPENSSL_clear_free(buf, bytes);
if (buf != NULL) {
OPENSSL_cleanse(buf, bytes);
OPENSSL_free(buf);
}
bn_check_top(rnd);
return (ret);
@@ -105,10 +210,12 @@ 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)
@@ -135,7 +242,7 @@ static int bn_rand_range(int pseudo, BIGNUM *r, const BIGNUM *range)
* than range
*/
do {
if (!bn_rand(r, n + 1, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
if (!bn_rand(r, n + 1, -1, 0))
return 0;
/*
* If r < 3*range, use r := r MOD range (which is either r, r -
@@ -161,7 +268,7 @@ static int bn_rand_range(int pseudo, BIGNUM *r, const BIGNUM *range)
} else {
do {
/* range = 11..._2 or range = 101..._2 */
if (!bn_rand(r, n, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY))
if (!bn_rand(r, n, -1, 0))
return 0;
if (!--count) {
@@ -185,78 +292,3 @@ int BN_pseudo_rand_range(BIGNUM *r, const BIGNUM *range)
{
return bn_rand_range(1, r, range);
}
/*
* BN_generate_dsa_nonce generates a random number 0 <= out < range. Unlike
* BN_rand_range, it also includes the contents of |priv| and |message| in
* the generation so that an RNG failure isn't fatal as long as |priv|
* remains secret. This is intended for use in DSA and ECDSA where an RNG
* weakness leads directly to private key exposure unless this function is
* used.
*/
int BN_generate_dsa_nonce(BIGNUM *out, const BIGNUM *range,
const BIGNUM *priv, const unsigned char *message,
size_t message_len, BN_CTX *ctx)
{
int ret = 0;
#ifndef OPENSSL_NO_DSA
SHA512_CTX sha;
/*
* We use 512 bits of random data per iteration to ensure that we have at
* least |range| bits of randomness.
*/
unsigned char random_bytes[64];
unsigned char digest[SHA512_DIGEST_LENGTH];
unsigned done, todo;
/* We generate |range|+8 bytes of random output. */
const unsigned num_k_bytes = BN_num_bytes(range) + 8;
unsigned char private_bytes[96];
unsigned char *k_bytes;
k_bytes = OPENSSL_malloc(num_k_bytes);
if (k_bytes == NULL)
goto err;
/* We copy |priv| into a local buffer to avoid exposing its length. */
todo = sizeof(priv->d[0]) * priv->top;
if (todo > sizeof(private_bytes)) {
/*
* No reasonable DSA or ECDSA key should have a private key this
* large and we don't handle this case in order to avoid leaking the
* length of the private key.
*/
BNerr(BN_F_BN_GENERATE_DSA_NONCE, BN_R_PRIVATE_KEY_TOO_LARGE);
goto err;
}
memcpy(private_bytes, priv->d, todo);
memset(private_bytes + todo, 0, sizeof(private_bytes) - todo);
for (done = 0; done < num_k_bytes;) {
if (RAND_bytes(random_bytes, sizeof(random_bytes)) != 1)
goto err;
SHA512_Init(&sha);
SHA512_Update(&sha, &done, sizeof(done));
SHA512_Update(&sha, private_bytes, sizeof(private_bytes));
SHA512_Update(&sha, message, message_len);
SHA512_Update(&sha, random_bytes, sizeof(random_bytes));
SHA512_Final(digest, &sha);
todo = num_k_bytes - done;
if (todo > SHA512_DIGEST_LENGTH)
todo = SHA512_DIGEST_LENGTH;
memcpy(k_bytes + done, digest, todo);
done += todo;
}
if (!BN_bin2bn(k_bytes, num_k_bytes, out))
goto err;
if (BN_mod(out, out, range, ctx) != 1)
goto err;
ret = 1;
err:
OPENSSL_free(k_bytes);
OPENSSL_cleanse(private_bytes, sizeof(private_bytes));
#endif
return ret;
}