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Diffstat (limited to 'thirdparty/mbedtls/library/pkcs12.c')
-rw-r--r--thirdparty/mbedtls/library/pkcs12.c144
1 files changed, 79 insertions, 65 deletions
diff --git a/thirdparty/mbedtls/library/pkcs12.c b/thirdparty/mbedtls/library/pkcs12.c
index 3d23d5e354..cacf7dba22 100644
--- a/thirdparty/mbedtls/library/pkcs12.c
+++ b/thirdparty/mbedtls/library/pkcs12.c
@@ -2,13 +2,7 @@
* PKCS#12 Personal Information Exchange Syntax
*
* Copyright The Mbed TLS Contributors
- * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
- *
- * This file is provided under the Apache License 2.0, or the
- * GNU General Public License v2.0 or later.
- *
- * **********
- * Apache License 2.0:
+ * SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
@@ -21,27 +15,6 @@
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
- *
- * **********
- *
- * **********
- * GNU General Public License v2.0 or later:
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * **********
*/
/*
* The PKCS #12 Personal Information Exchange Syntax Standard v1.1
@@ -50,11 +23,7 @@
* ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-12/pkcs-12v1-1.asn
*/
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+#include "common.h"
#if defined(MBEDTLS_PKCS12_C)
@@ -62,6 +31,7 @@
#include "mbedtls/asn1.h"
#include "mbedtls/cipher.h"
#include "mbedtls/platform_util.h"
+#include "mbedtls/error.h"
#include <string.h>
@@ -78,7 +48,7 @@
static int pkcs12_parse_pbe_params( mbedtls_asn1_buf *params,
mbedtls_asn1_buf *salt, int *iterations )
{
- int ret;
+ int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
unsigned char **p = &params->p;
const unsigned char *end = params->p + params->len;
@@ -90,21 +60,21 @@ static int pkcs12_parse_pbe_params( mbedtls_asn1_buf *params,
*
*/
if( params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
- return( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT +
- MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
+ return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT,
+ MBEDTLS_ERR_ASN1_UNEXPECTED_TAG ) );
if( ( ret = mbedtls_asn1_get_tag( p, end, &salt->len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
- return( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT + ret );
+ return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT, ret ) );
salt->p = *p;
*p += salt->len;
if( ( ret = mbedtls_asn1_get_int( p, end, iterations ) ) != 0 )
- return( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT + ret );
+ return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT, ret ) );
if( *p != end )
- return( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT +
- MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
+ return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT,
+ MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) );
return( 0 );
}
@@ -170,7 +140,7 @@ int mbedtls_pkcs12_pbe_sha1_rc4_128( mbedtls_asn1_buf *pbe_params, int mode,
((void) output);
return( MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE );
#else
- int ret;
+ int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
unsigned char key[16];
mbedtls_arc4_context ctx;
((void) mode);
@@ -209,6 +179,9 @@ int mbedtls_pkcs12_pbe( mbedtls_asn1_buf *pbe_params, int mode,
mbedtls_cipher_context_t cipher_ctx;
size_t olen = 0;
+ if( pwd == NULL && pwdlen != 0 )
+ return( MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA );
+
cipher_info = mbedtls_cipher_info_from_type( cipher_type );
if( cipher_info == NULL )
return( MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE );
@@ -261,12 +234,23 @@ static void pkcs12_fill_buffer( unsigned char *data, size_t data_len,
unsigned char *p = data;
size_t use_len;
- while( data_len > 0 )
+ if( filler != NULL && fill_len != 0 )
{
- use_len = ( data_len > fill_len ) ? fill_len : data_len;
- memcpy( p, filler, use_len );
- p += use_len;
- data_len -= use_len;
+ while( data_len > 0 )
+ {
+ use_len = ( data_len > fill_len ) ? fill_len : data_len;
+ memcpy( p, filler, use_len );
+ p += use_len;
+ data_len -= use_len;
+ }
+ }
+ else
+ {
+ /* If either of the above are not true then clearly there is nothing
+ * that this function can do. The function should *not* be called
+ * under either of those circumstances, as you could end up with an
+ * incorrect output but for safety's sake, leaving the check in as
+ * otherwise we could end up with memory corruption.*/
}
}
@@ -275,7 +259,7 @@ int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
const unsigned char *salt, size_t saltlen,
mbedtls_md_type_t md_type, int id, int iterations )
{
- int ret;
+ int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
unsigned int j;
unsigned char diversifier[128];
@@ -283,6 +267,8 @@ int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
unsigned char hash_output[MBEDTLS_MD_MAX_SIZE];
unsigned char *p;
unsigned char c;
+ int use_password = 0;
+ int use_salt = 0;
size_t hlen, use_len, v, i;
@@ -293,6 +279,15 @@ int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
if( datalen > 128 || pwdlen > 64 || saltlen > 64 )
return( MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA );
+ if( pwd == NULL && pwdlen != 0 )
+ return( MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA );
+
+ if( salt == NULL && saltlen != 0 )
+ return( MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA );
+
+ use_password = ( pwd && pwdlen != 0 );
+ use_salt = ( salt && saltlen != 0 );
+
md_info = mbedtls_md_info_from_type( md_type );
if( md_info == NULL )
return( MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE );
@@ -310,8 +305,15 @@ int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
memset( diversifier, (unsigned char) id, v );
- pkcs12_fill_buffer( salt_block, v, salt, saltlen );
- pkcs12_fill_buffer( pwd_block, v, pwd, pwdlen );
+ if( use_salt != 0 )
+ {
+ pkcs12_fill_buffer( salt_block, v, salt, saltlen );
+ }
+
+ if( use_password != 0 )
+ {
+ pkcs12_fill_buffer( pwd_block, v, pwd, pwdlen );
+ }
p = data;
while( datalen > 0 )
@@ -323,11 +325,17 @@ int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
if( ( ret = mbedtls_md_update( &md_ctx, diversifier, v ) ) != 0 )
goto exit;
- if( ( ret = mbedtls_md_update( &md_ctx, salt_block, v ) ) != 0 )
- goto exit;
+ if( use_salt != 0 )
+ {
+ if( ( ret = mbedtls_md_update( &md_ctx, salt_block, v )) != 0 )
+ goto exit;
+ }
- if( ( ret = mbedtls_md_update( &md_ctx, pwd_block, v ) ) != 0 )
- goto exit;
+ if( use_password != 0)
+ {
+ if( ( ret = mbedtls_md_update( &md_ctx, pwd_block, v )) != 0 )
+ goto exit;
+ }
if( ( ret = mbedtls_md_finish( &md_ctx, hash_output ) ) != 0 )
goto exit;
@@ -355,22 +363,28 @@ int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
if( ++hash_block[i - 1] != 0 )
break;
- // salt_block += B
- c = 0;
- for( i = v; i > 0; i-- )
+ if( use_salt != 0 )
{
- j = salt_block[i - 1] + hash_block[i - 1] + c;
- c = (unsigned char) (j >> 8);
- salt_block[i - 1] = j & 0xFF;
+ // salt_block += B
+ c = 0;
+ for( i = v; i > 0; i-- )
+ {
+ j = salt_block[i - 1] + hash_block[i - 1] + c;
+ c = MBEDTLS_BYTE_1( j );
+ salt_block[i - 1] = MBEDTLS_BYTE_0( j );
+ }
}
- // pwd_block += B
- c = 0;
- for( i = v; i > 0; i-- )
+ if( use_password != 0 )
{
- j = pwd_block[i - 1] + hash_block[i - 1] + c;
- c = (unsigned char) (j >> 8);
- pwd_block[i - 1] = j & 0xFF;
+ // pwd_block += B
+ c = 0;
+ for( i = v; i > 0; i-- )
+ {
+ j = pwd_block[i - 1] + hash_block[i - 1] + c;
+ c = MBEDTLS_BYTE_1( j );
+ pwd_block[i - 1] = MBEDTLS_BYTE_0( j );
+ }
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 16:25:20 +0000