3570d73bf1
Much of this was done automatically with find . -name '*.c' | xargs sed -E -i '' -e 's/(OPENSSL_PUT_ERROR\([a-zA-Z_0-9]+, )[a-zA-Z_0-9]+, ([a-zA-Z_0-9]+\);)/\1\2/' find . -name '*.c' | xargs sed -E -i '' -e 's/(OPENSSL_PUT_ERROR\([a-zA-Z_0-9]+, )[a-zA-Z_0-9]+, ([a-zA-Z_0-9]+\);)/\1\2/' BUG=468039 Change-Id: I4c75fd95dff85ab1d4a546b05e6aed1aeeb499d8 Reviewed-on: https://boringssl-review.googlesource.com/5276 Reviewed-by: Adam Langley <agl@google.com>
134 lines
4.6 KiB
C
134 lines
4.6 KiB
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.] */
|
|
|
|
#include <openssl/x509.h>
|
|
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <openssl/bn.h>
|
|
#include <openssl/buf.h>
|
|
#include <openssl/digest.h>
|
|
#include <openssl/err.h>
|
|
#include <openssl/evp.h>
|
|
#include <openssl/mem.h>
|
|
#include <openssl/obj.h>
|
|
|
|
#include "../evp/internal.h"
|
|
|
|
|
|
int ASN1_item_verify(const ASN1_ITEM *it, X509_ALGOR *a,
|
|
ASN1_BIT_STRING *signature, void *asn, EVP_PKEY *pkey)
|
|
{
|
|
EVP_MD_CTX ctx;
|
|
uint8_t *buf_in = NULL;
|
|
int ret = 0, inl;
|
|
|
|
if (!pkey)
|
|
{
|
|
OPENSSL_PUT_ERROR(X509, ERR_R_PASSED_NULL_PARAMETER);
|
|
return 0;
|
|
}
|
|
|
|
if (signature->type == V_ASN1_BIT_STRING && signature->flags & 0x7)
|
|
{
|
|
OPENSSL_PUT_ERROR(X509, X509_R_INVALID_BIT_STRING_BITS_LEFT);
|
|
return 0;
|
|
}
|
|
|
|
EVP_MD_CTX_init(&ctx);
|
|
|
|
if (!EVP_DigestVerifyInitFromAlgorithm(&ctx, a, pkey))
|
|
{
|
|
goto err;
|
|
}
|
|
|
|
inl = ASN1_item_i2d(asn, &buf_in, it);
|
|
|
|
if (buf_in == NULL)
|
|
{
|
|
OPENSSL_PUT_ERROR(X509, ERR_R_MALLOC_FAILURE);
|
|
goto err;
|
|
}
|
|
|
|
if (!EVP_DigestVerifyUpdate(&ctx,buf_in,inl))
|
|
{
|
|
OPENSSL_cleanse(buf_in,(unsigned int)inl);
|
|
OPENSSL_free(buf_in);
|
|
OPENSSL_PUT_ERROR(X509, ERR_R_EVP_LIB);
|
|
goto err;
|
|
}
|
|
|
|
OPENSSL_cleanse(buf_in,(unsigned int)inl);
|
|
OPENSSL_free(buf_in);
|
|
|
|
if (EVP_DigestVerifyFinal(&ctx,signature->data,
|
|
(size_t)signature->length) <= 0)
|
|
{
|
|
OPENSSL_PUT_ERROR(X509, ERR_R_EVP_LIB);
|
|
goto err;
|
|
}
|
|
/* we don't need to zero the 'ctx' because we just checked
|
|
* public information */
|
|
/* memset(&ctx,0,sizeof(ctx)); */
|
|
ret = 1;
|
|
err:
|
|
EVP_MD_CTX_cleanup(&ctx);
|
|
return ret;
|
|
}
|
|
|