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# Conflicts:
#	README.md
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Zhi Guan
2017-02-14 16:12:29 +08:00
parent d2254170b8
commit 43fed1108d
3503 changed files with 320546 additions and 408546 deletions
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307
crypto/evp/digest.c
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@@ -1,173 +1,75 @@
/* crypto/evp/digest.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).
/*
* Copyright 1995-2016 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
*/
#include <stdio.h>
#include "cryptlib.h"
#include "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/evp.h>
#ifndef OPENSSL_NO_ENGINE
# include <openssl/engine.h>
#endif
#include <openssl/engine.h>
#include "internal/evp_int.h"
#include "evp_locl.h"
#ifdef OPENSSL_FIPS
# include <openssl/fips.h>
# include "evp_locl.h"
#endif
void EVP_MD_CTX_init(EVP_MD_CTX *ctx)
/* This call frees resources associated with the context */
int EVP_MD_CTX_reset(EVP_MD_CTX *ctx)
{
memset(ctx, '\0', sizeof *ctx);
if (ctx == NULL)
return 1;
/*
* Don't assume ctx->md_data was cleaned in EVP_Digest_Final, because
* sometimes only copies of the context are ever finalised.
*/
if (ctx->digest && ctx->digest->cleanup
&& !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_CLEANED))
ctx->digest->cleanup(ctx);
if (ctx->digest && ctx->digest->ctx_size && ctx->md_data
&& !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) {
OPENSSL_clear_free(ctx->md_data, ctx->digest->ctx_size);
}
EVP_PKEY_CTX_free(ctx->pctx);
#ifndef OPENSSL_NO_ENGINE
ENGINE_finish(ctx->engine);
#endif
OPENSSL_cleanse(ctx, sizeof(*ctx));
return 1;
}
EVP_MD_CTX *EVP_MD_CTX_create(void)
EVP_MD_CTX *EVP_MD_CTX_new(void)
{
EVP_MD_CTX *ctx = OPENSSL_malloc(sizeof *ctx);
return OPENSSL_zalloc(sizeof(EVP_MD_CTX));
}
if (ctx)
EVP_MD_CTX_init(ctx);
return ctx;
void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
{
EVP_MD_CTX_reset(ctx);
OPENSSL_free(ctx);
}
int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type)
{
EVP_MD_CTX_init(ctx);
EVP_MD_CTX_reset(ctx);
return EVP_DigestInit_ex(ctx, type, NULL);
}
int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)
{
EVP_MD_CTX_clear_flags(ctx, EVP_MD_CTX_FLAG_CLEANED);
#ifdef OPENSSL_FIPS
/* If FIPS mode switch to approved implementation if possible */
if (FIPS_mode()) {
const EVP_MD *fipsmd;
if (type) {
fipsmd = evp_get_fips_md(type);
if (fipsmd)
type = fipsmd;
}
}
#endif
#ifndef OPENSSL_NO_ENGINE
/*
* Whether it's nice or not, "Inits" can be used on "Final"'d contexts so
* this context may already have an ENGINE! Try to avoid releasing the
* previous handle, re-querying for an ENGINE, and having a
* reinitialisation, when it may all be unecessary.
* reinitialisation, when it may all be unnecessary.
*/
if (ctx->engine && ctx->digest && (!type ||
(type
&& (type->type ==
ctx->digest->type))))
if (ctx->engine && ctx->digest &&
(type == NULL || (type->type == ctx->digest->type)))
goto skip_to_init;
if (type) {
/*
@@ -175,21 +77,21 @@ int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)
* previous check attempted to avoid this if the same ENGINE and
* EVP_MD could be used).
*/
if (ctx->engine)
ENGINE_finish(ctx->engine);
if (impl) {
ENGINE_finish(ctx->engine);
if (impl != NULL) {
if (!ENGINE_init(impl)) {
EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);
return 0;
}
} else
} else {
/* Ask if an ENGINE is reserved for this job */
impl = ENGINE_get_digest_engine(type->type);
if (impl) {
}
if (impl != NULL) {
/* There's an ENGINE for this job ... (apparently) */
const EVP_MD *d = ENGINE_get_digest(impl, type->type);
if (!d) {
/* Same comment from evp_enc.c */
if (d == NULL) {
EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_INITIALIZATION_ERROR);
ENGINE_finish(impl);
return 0;
@@ -212,12 +114,14 @@ int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)
}
#endif
if (ctx->digest != type) {
if (ctx->digest && ctx->digest->ctx_size)
OPENSSL_free(ctx->md_data);
if (ctx->digest && ctx->digest->ctx_size) {
OPENSSL_clear_free(ctx->md_data, ctx->digest->ctx_size);
ctx->md_data = NULL;
}
ctx->digest = type;
if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size) {
ctx->update = type->update;
ctx->md_data = OPENSSL_malloc(type->ctx_size);
ctx->md_data = OPENSSL_zalloc(type->ctx_size);
if (ctx->md_data == NULL) {
EVPerr(EVP_F_EVP_DIGESTINIT_EX, ERR_R_MALLOC_FAILURE);
return 0;
@@ -236,25 +140,12 @@ int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl)
}
if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT)
return 1;
#ifdef OPENSSL_FIPS
if (FIPS_mode()) {
if (FIPS_digestinit(ctx, type))
return 1;
OPENSSL_free(ctx->md_data);
ctx->md_data = NULL;
return 0;
}
#endif
return ctx->digest->init(ctx);
}
int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count)
{
#ifdef OPENSSL_FIPS
return FIPS_digestupdate(ctx, data, count);
#else
return ctx->update(ctx, data, count);
#endif
}
/* The caller can assume that this removes any secret data from the context */
@@ -262,16 +153,13 @@ int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size)
{
int ret;
ret = EVP_DigestFinal_ex(ctx, md, size);
EVP_MD_CTX_cleanup(ctx);
EVP_MD_CTX_reset(ctx);
return ret;
}
/* The caller can assume that this removes any secret data from the context */
int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size)
{
#ifdef OPENSSL_FIPS
return FIPS_digestfinal(ctx, md, size);
#else
int ret;
OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE);
@@ -282,14 +170,13 @@ int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size)
ctx->digest->cleanup(ctx);
EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_CLEANED);
}
memset(ctx->md_data, 0, ctx->digest->ctx_size);
OPENSSL_cleanse(ctx->md_data, ctx->digest->ctx_size);
return ret;
#endif
}
int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in)
{
EVP_MD_CTX_init(out);
EVP_MD_CTX_reset(out);
return EVP_MD_CTX_copy_ex(out, in);
}
@@ -313,15 +200,22 @@ int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in)
EVP_MD_CTX_set_flags(out, EVP_MD_CTX_FLAG_REUSE);
} else
tmp_buf = NULL;
EVP_MD_CTX_cleanup(out);
memcpy(out, in, sizeof *out);
EVP_MD_CTX_reset(out);
memcpy(out, in, sizeof(*out));
/* Null these variables, since they are getting fixed up
* properly below. Anything else may cause a memleak and/or
* double free if any of the memory allocations below fail
*/
out->md_data = NULL;
out->pctx = NULL;
if (in->md_data && out->digest->ctx_size) {
if (tmp_buf)
out->md_data = tmp_buf;
else {
out->md_data = OPENSSL_malloc(out->digest->ctx_size);
if (!out->md_data) {
if (out->md_data == NULL) {
EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_MALLOC_FAILURE);
return 0;
}
@@ -334,7 +228,7 @@ int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in)
if (in->pctx) {
out->pctx = EVP_PKEY_CTX_dup(in->pctx);
if (!out->pctx) {
EVP_MD_CTX_cleanup(out);
EVP_MD_CTX_reset(out);
return 0;
}
}
@@ -349,58 +243,27 @@ int EVP_Digest(const void *data, size_t count,
unsigned char *md, unsigned int *size, const EVP_MD *type,
ENGINE *impl)
{
EVP_MD_CTX ctx;
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
int ret;
EVP_MD_CTX_init(&ctx);
EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_ONESHOT);
ret = EVP_DigestInit_ex(&ctx, type, impl)
&& EVP_DigestUpdate(&ctx, data, count)
&& EVP_DigestFinal_ex(&ctx, md, size);
EVP_MD_CTX_cleanup(&ctx);
if (ctx == NULL)
return 0;
EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_ONESHOT);
ret = EVP_DigestInit_ex(ctx, type, impl)
&& EVP_DigestUpdate(ctx, data, count)
&& EVP_DigestFinal_ex(ctx, md, size);
EVP_MD_CTX_free(ctx);
return ret;
}
void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx)
int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2)
{
if (ctx) {
EVP_MD_CTX_cleanup(ctx);
OPENSSL_free(ctx);
if (ctx->digest && ctx->digest->md_ctrl) {
int ret = ctx->digest->md_ctrl(ctx, cmd, p1, p2);
if (ret <= 0)
return 0;
return 1;
}
}
/* This call frees resources associated with the context */
int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx)
{
#ifndef OPENSSL_FIPS
/*
* Don't assume ctx->md_data was cleaned in EVP_Digest_Final, because
* sometimes only copies of the context are ever finalised.
*/
if (ctx->digest && ctx->digest->cleanup
&& !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_CLEANED))
ctx->digest->cleanup(ctx);
if (ctx->digest && ctx->digest->ctx_size && ctx->md_data
&& !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) {
OPENSSL_cleanse(ctx->md_data, ctx->digest->ctx_size);
OPENSSL_free(ctx->md_data);
}
#endif
if (ctx->pctx)
EVP_PKEY_CTX_free(ctx->pctx);
#ifndef OPENSSL_NO_ENGINE
if (ctx->engine)
/*
* The EVP_MD we used belongs to an ENGINE, release the functional
* reference we held for this reason.
*/
ENGINE_finish(ctx->engine);
#endif
#ifdef OPENSSL_FIPS
FIPS_md_ctx_cleanup(ctx);
#endif
memset(ctx, '\0', sizeof *ctx);
return 1;
return 0;
}