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Downgraded mbedtls and updated for latest dynarmic

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This commit is contained in:
darktux
2024-04-05 01:58:29 +02:00
parent 9bb9b8b30b
commit 920e2504c3
1506 changed files with 134012 additions and 363726 deletions
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541
externals/mbedtls/library/pkcs12.c vendored
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@@ -3,6 +3,45 @@
*
* 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:
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* 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
@@ -11,32 +50,35 @@
* ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-12/pkcs-12v1-1.asn
*/
#include "common.h"
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_PKCS12_C)
#include "mbedtls/pkcs12.h"
#include "mbedtls/asn1.h"
#if defined(MBEDTLS_CIPHER_C)
#include "mbedtls/cipher.h"
#endif /* MBEDTLS_CIPHER_C */
#include "mbedtls/platform_util.h"
#include "mbedtls/error.h"
#include <string.h>
#if defined(MBEDTLS_ARC4_C)
#include "mbedtls/arc4.h"
#endif
#if defined(MBEDTLS_DES_C)
#include "mbedtls/des.h"
#endif
#include "psa_util_internal.h"
#if defined(MBEDTLS_ASN1_PARSE_C)
#if defined(MBEDTLS_ASN1_PARSE_C) && defined(MBEDTLS_CIPHER_C)
static int pkcs12_parse_pbe_params(mbedtls_asn1_buf *params,
mbedtls_asn1_buf *salt, int *iterations)
static int pkcs12_parse_pbe_params( mbedtls_asn1_buf *params,
mbedtls_asn1_buf *salt, int *iterations )
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
int ret;
unsigned char **p = &params->p;
const unsigned char *end = params->p + params->len;
@@ -47,391 +89,302 @@ static int pkcs12_parse_pbe_params(mbedtls_asn1_buf *params,
* }
*
*/
if (params->tag != (MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE)) {
return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT,
MBEDTLS_ERR_ASN1_UNEXPECTED_TAG);
}
if( params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
return( 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_ERROR_ADD(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT, ret);
}
if( ( ret = mbedtls_asn1_get_tag( p, end, &salt->len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
return( 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_ERROR_ADD(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT, ret);
}
if( ( ret = mbedtls_asn1_get_int( p, end, iterations ) ) != 0 )
return( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT + ret );
if (*p != end) {
return MBEDTLS_ERROR_ADD(MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT,
MBEDTLS_ERR_ASN1_LENGTH_MISMATCH);
}
if( *p != end )
return( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT +
MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
return 0;
return( 0 );
}
#define PKCS12_MAX_PWDLEN 128
static int pkcs12_pbe_derive_key_iv(mbedtls_asn1_buf *pbe_params, mbedtls_md_type_t md_type,
const unsigned char *pwd, size_t pwdlen,
unsigned char *key, size_t keylen,
unsigned char *iv, size_t ivlen)
static int pkcs12_pbe_derive_key_iv( mbedtls_asn1_buf *pbe_params, mbedtls_md_type_t md_type,
const unsigned char *pwd, size_t pwdlen,
unsigned char *key, size_t keylen,
unsigned char *iv, size_t ivlen )
{
int ret, iterations = 0;
mbedtls_asn1_buf salt;
size_t i;
unsigned char unipwd[PKCS12_MAX_PWDLEN * 2 + 2];
if (pwdlen > PKCS12_MAX_PWDLEN) {
return MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA;
}
if( pwdlen > PKCS12_MAX_PWDLEN )
return( MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA );
memset(&salt, 0, sizeof(mbedtls_asn1_buf));
memset(&unipwd, 0, sizeof(unipwd));
memset( &salt, 0, sizeof(mbedtls_asn1_buf) );
memset( &unipwd, 0, sizeof(unipwd) );
if ((ret = pkcs12_parse_pbe_params(pbe_params, &salt,
&iterations)) != 0) {
return ret;
}
if( ( ret = pkcs12_parse_pbe_params( pbe_params, &salt,
&iterations ) ) != 0 )
return( ret );
for (i = 0; i < pwdlen; i++) {
for( i = 0; i < pwdlen; i++ )
unipwd[i * 2 + 1] = pwd[i];
if( ( ret = mbedtls_pkcs12_derivation( key, keylen, unipwd, pwdlen * 2 + 2,
salt.p, salt.len, md_type,
MBEDTLS_PKCS12_DERIVE_KEY, iterations ) ) != 0 )
{
return( ret );
}
if ((ret = mbedtls_pkcs12_derivation(key, keylen, unipwd, pwdlen * 2 + 2,
salt.p, salt.len, md_type,
MBEDTLS_PKCS12_DERIVE_KEY, iterations)) != 0) {
return ret;
}
if( iv == NULL || ivlen == 0 )
return( 0 );
if (iv == NULL || ivlen == 0) {
return 0;
if( ( ret = mbedtls_pkcs12_derivation( iv, ivlen, unipwd, pwdlen * 2 + 2,
salt.p, salt.len, md_type,
MBEDTLS_PKCS12_DERIVE_IV, iterations ) ) != 0 )
{
return( ret );
}
if ((ret = mbedtls_pkcs12_derivation(iv, ivlen, unipwd, pwdlen * 2 + 2,
salt.p, salt.len, md_type,
MBEDTLS_PKCS12_DERIVE_IV, iterations)) != 0) {
return ret;
}
return 0;
return( 0 );
}
#undef PKCS12_MAX_PWDLEN
#if !defined(MBEDTLS_CIPHER_PADDING_PKCS7)
int mbedtls_pkcs12_pbe_ext(mbedtls_asn1_buf *pbe_params, int mode,
mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *data, size_t len,
unsigned char *output, size_t output_size,
size_t *output_len);
#endif
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
int mbedtls_pkcs12_pbe(mbedtls_asn1_buf *pbe_params, int mode,
mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *data, size_t len,
unsigned char *output)
int mbedtls_pkcs12_pbe_sha1_rc4_128( mbedtls_asn1_buf *pbe_params, int mode,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *data, size_t len,
unsigned char *output )
{
size_t output_len = 0;
#if !defined(MBEDTLS_ARC4_C)
((void) pbe_params);
((void) mode);
((void) pwd);
((void) pwdlen);
((void) data);
((void) len);
((void) output);
return( MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE );
#else
int ret;
unsigned char key[16];
mbedtls_arc4_context ctx;
((void) mode);
/* We assume caller of the function is providing a big enough output buffer
* so we pass output_size as SIZE_MAX to pass checks, However, no guarantees
* for the output size actually being correct.
*/
return mbedtls_pkcs12_pbe_ext(pbe_params, mode, cipher_type, md_type,
pwd, pwdlen, data, len, output, SIZE_MAX,
&output_len);
mbedtls_arc4_init( &ctx );
if( ( ret = pkcs12_pbe_derive_key_iv( pbe_params, MBEDTLS_MD_SHA1,
pwd, pwdlen,
key, 16, NULL, 0 ) ) != 0 )
{
return( ret );
}
mbedtls_arc4_setup( &ctx, key, 16 );
if( ( ret = mbedtls_arc4_crypt( &ctx, len, data, output ) ) != 0 )
goto exit;
exit:
mbedtls_platform_zeroize( key, sizeof( key ) );
mbedtls_arc4_free( &ctx );
return( ret );
#endif /* MBEDTLS_ARC4_C */
}
#endif
int mbedtls_pkcs12_pbe_ext(mbedtls_asn1_buf *pbe_params, int mode,
mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *data, size_t len,
unsigned char *output, size_t output_size,
size_t *output_len)
int mbedtls_pkcs12_pbe( mbedtls_asn1_buf *pbe_params, int mode,
mbedtls_cipher_type_t cipher_type, mbedtls_md_type_t md_type,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *data, size_t len,
unsigned char *output )
{
int ret, keylen = 0;
unsigned char key[32];
unsigned char iv[16];
const mbedtls_cipher_info_t *cipher_info;
mbedtls_cipher_context_t cipher_ctx;
size_t iv_len = 0;
size_t finish_olen = 0;
unsigned int padlen = 0;
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 );
cipher_info = mbedtls_cipher_info_from_type(cipher_type);
if (cipher_info == NULL) {
return MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE;
}
keylen = cipher_info->key_bitlen / 8;
keylen = (int) mbedtls_cipher_info_get_key_bitlen(cipher_info) / 8;
if (mode == MBEDTLS_PKCS12_PBE_DECRYPT) {
if (output_size < len) {
return MBEDTLS_ERR_ASN1_BUF_TOO_SMALL;
}
}
if (mode == MBEDTLS_PKCS12_PBE_ENCRYPT) {
padlen = cipher_info->block_size - (len % cipher_info->block_size);
if (output_size < (len + padlen)) {
return MBEDTLS_ERR_ASN1_BUF_TOO_SMALL;
}
}
iv_len = mbedtls_cipher_info_get_iv_size(cipher_info);
if ((ret = pkcs12_pbe_derive_key_iv(pbe_params, md_type, pwd, pwdlen,
key, keylen,
iv, iv_len)) != 0) {
return ret;
}
mbedtls_cipher_init(&cipher_ctx);
if ((ret = mbedtls_cipher_setup(&cipher_ctx, cipher_info)) != 0) {
goto exit;
}
if ((ret = mbedtls_cipher_setkey(&cipher_ctx, key, 8 * keylen,
(mbedtls_operation_t) mode)) != 0) {
goto exit;
}
#if defined(MBEDTLS_CIPHER_MODE_WITH_PADDING)
if( ( ret = pkcs12_pbe_derive_key_iv( pbe_params, md_type, pwd, pwdlen,
key, keylen,
iv, cipher_info->iv_size ) ) != 0 )
{
/* PKCS12 uses CBC with PKCS7 padding */
mbedtls_cipher_padding_t padding = MBEDTLS_PADDING_PKCS7;
#if !defined(MBEDTLS_CIPHER_PADDING_PKCS7)
/* For historical reasons, when decrypting, this function works when
* decrypting even when support for PKCS7 padding is disabled. In this
* case, it ignores the padding, and so will never report a
* password mismatch.
*/
if (mode == MBEDTLS_PKCS12_PBE_DECRYPT) {
padding = MBEDTLS_PADDING_NONE;
}
#endif
if ((ret = mbedtls_cipher_set_padding_mode(&cipher_ctx, padding)) != 0) {
goto exit;
}
return( ret );
}
#endif /* MBEDTLS_CIPHER_MODE_WITH_PADDING */
ret = mbedtls_cipher_crypt(&cipher_ctx, iv, iv_len, data, len, output, &finish_olen);
if (ret == MBEDTLS_ERR_CIPHER_INVALID_PADDING) {
mbedtls_cipher_init( &cipher_ctx );
if( ( ret = mbedtls_cipher_setup( &cipher_ctx, cipher_info ) ) != 0 )
goto exit;
if( ( ret = mbedtls_cipher_setkey( &cipher_ctx, key, 8 * keylen, (mbedtls_operation_t) mode ) ) != 0 )
goto exit;
if( ( ret = mbedtls_cipher_set_iv( &cipher_ctx, iv, cipher_info->iv_size ) ) != 0 )
goto exit;
if( ( ret = mbedtls_cipher_reset( &cipher_ctx ) ) != 0 )
goto exit;
if( ( ret = mbedtls_cipher_update( &cipher_ctx, data, len,
output, &olen ) ) != 0 )
{
goto exit;
}
if( ( ret = mbedtls_cipher_finish( &cipher_ctx, output + olen, &olen ) ) != 0 )
ret = MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH;
}
*output_len += finish_olen;
exit:
mbedtls_platform_zeroize(key, sizeof(key));
mbedtls_platform_zeroize(iv, sizeof(iv));
mbedtls_cipher_free(&cipher_ctx);
mbedtls_platform_zeroize( key, sizeof( key ) );
mbedtls_platform_zeroize( iv, sizeof( iv ) );
mbedtls_cipher_free( &cipher_ctx );
return ret;
return( ret );
}
#endif /* MBEDTLS_ASN1_PARSE_C && MBEDTLS_CIPHER_C */
#endif /* MBEDTLS_ASN1_PARSE_C */
static void pkcs12_fill_buffer(unsigned char *data, size_t data_len,
const unsigned char *filler, size_t fill_len)
static void pkcs12_fill_buffer( unsigned char *data, size_t data_len,
const unsigned char *filler, size_t fill_len )
{
unsigned char *p = data;
size_t use_len;
if (filler != NULL && fill_len != 0) {
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.*/
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;
}
}
static int calculate_hashes(mbedtls_md_type_t md_type, int iterations,
unsigned char *diversifier, unsigned char *salt_block,
unsigned char *pwd_block, unsigned char *hash_output, int use_salt,
int use_password, size_t hlen, size_t v)
int mbedtls_pkcs12_derivation( unsigned char *data, size_t datalen,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *salt, size_t saltlen,
mbedtls_md_type_t md_type, int id, int iterations )
{
int ret = -1;
size_t i;
const mbedtls_md_info_t *md_info;
mbedtls_md_context_t md_ctx;
md_info = mbedtls_md_info_from_type(md_type);
if (md_info == NULL) {
return MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE;
}
mbedtls_md_init(&md_ctx);
if ((ret = mbedtls_md_setup(&md_ctx, md_info, 0)) != 0) {
return ret;
}
// Calculate hash( diversifier || salt_block || pwd_block )
if ((ret = mbedtls_md_starts(&md_ctx)) != 0) {
goto exit;
}
if ((ret = mbedtls_md_update(&md_ctx, diversifier, v)) != 0) {
goto exit;
}
if (use_salt != 0) {
if ((ret = mbedtls_md_update(&md_ctx, salt_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;
}
// Perform remaining ( iterations - 1 ) recursive hash calculations
for (i = 1; i < (size_t) iterations; i++) {
if ((ret = mbedtls_md(md_info, hash_output, hlen, hash_output))
!= 0) {
goto exit;
}
}
exit:
mbedtls_md_free(&md_ctx);
return ret;
}
int mbedtls_pkcs12_derivation(unsigned char *data, size_t datalen,
const unsigned char *pwd, size_t pwdlen,
const unsigned char *salt, size_t saltlen,
mbedtls_md_type_t md_type, int id, int iterations)
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
int ret;
unsigned int j;
unsigned char diversifier[128];
unsigned char salt_block[128], pwd_block[128], hash_block[128] = { 0 };
unsigned char salt_block[128], pwd_block[128], hash_block[128];
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;
const mbedtls_md_info_t *md_info;
mbedtls_md_context_t md_ctx;
// This version only allows max of 64 bytes of password or salt
if (datalen > 128 || pwdlen > 64 || saltlen > 64) {
return MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA;
}
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;
}
md_info = mbedtls_md_info_from_type( md_type );
if( md_info == NULL )
return( MBEDTLS_ERR_PKCS12_FEATURE_UNAVAILABLE );
if (salt == NULL && saltlen != 0) {
return MBEDTLS_ERR_PKCS12_BAD_INPUT_DATA;
}
mbedtls_md_init( &md_ctx );
use_password = (pwd && pwdlen != 0);
use_salt = (salt && saltlen != 0);
if( ( ret = mbedtls_md_setup( &md_ctx, md_info, 0 ) ) != 0 )
return( ret );
hlen = mbedtls_md_get_size( md_info );
hlen = mbedtls_md_get_size_from_type(md_type);
if (hlen <= 32) {
if( hlen <= 32 )
v = 64;
} else {
else
v = 128;
}
memset(diversifier, (unsigned char) id, v);
memset( diversifier, (unsigned char) id, v );
if (use_salt != 0) {
pkcs12_fill_buffer(salt_block, v, salt, saltlen);
}
if (use_password != 0) {
pkcs12_fill_buffer(pwd_block, v, pwd, pwdlen);
}
pkcs12_fill_buffer( salt_block, v, salt, saltlen );
pkcs12_fill_buffer( pwd_block, v, pwd, pwdlen );
p = data;
while (datalen > 0) {
if (calculate_hashes(md_type, iterations, diversifier, salt_block,
pwd_block, hash_output, use_salt, use_password, hlen,
v) != 0) {
while( datalen > 0 )
{
// Calculate hash( diversifier || salt_block || pwd_block )
if( ( ret = mbedtls_md_starts( &md_ctx ) ) != 0 )
goto exit;
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( ( ret = mbedtls_md_update( &md_ctx, pwd_block, v ) ) != 0 )
goto exit;
if( ( ret = mbedtls_md_finish( &md_ctx, hash_output ) ) != 0 )
goto exit;
// Perform remaining ( iterations - 1 ) recursive hash calculations
for( i = 1; i < (size_t) iterations; i++ )
{
if( ( ret = mbedtls_md( md_info, hash_output, hlen, hash_output ) ) != 0 )
goto exit;
}
use_len = (datalen > hlen) ? hlen : datalen;
memcpy(p, hash_output, use_len);
use_len = ( datalen > hlen ) ? hlen : datalen;
memcpy( p, hash_output, use_len );
datalen -= use_len;
p += use_len;
if (datalen == 0) {
if( datalen == 0 )
break;
}
// Concatenating copies of hash_output into hash_block (B)
pkcs12_fill_buffer(hash_block, v, hash_output, hlen);
pkcs12_fill_buffer( hash_block, v, hash_output, hlen );
// B += 1
for (i = v; i > 0; i--) {
if (++hash_block[i - 1] != 0) {
for( i = v; i > 0; i-- )
if( ++hash_block[i - 1] != 0 )
break;
}
// salt_block += B
c = 0;
for( i = v; i > 0; i-- )
{
j = salt_block[i - 1] + hash_block[i - 1] + c;
c = (unsigned char) (j >> 8);
salt_block[i - 1] = j & 0xFF;
}
if (use_salt != 0) {
// 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);
}
}
if (use_password != 0) {
// 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);
}
// pwd_block += B
c = 0;
for( i = v; i > 0; i-- )
{
j = pwd_block[i - 1] + hash_block[i - 1] + c;
c = (unsigned char) (j >> 8);
pwd_block[i - 1] = j & 0xFF;
}
}
ret = 0;
exit:
mbedtls_platform_zeroize(salt_block, sizeof(salt_block));
mbedtls_platform_zeroize(pwd_block, sizeof(pwd_block));
mbedtls_platform_zeroize(hash_block, sizeof(hash_block));
mbedtls_platform_zeroize(hash_output, sizeof(hash_output));
mbedtls_platform_zeroize( salt_block, sizeof( salt_block ) );
mbedtls_platform_zeroize( pwd_block, sizeof( pwd_block ) );
mbedtls_platform_zeroize( hash_block, sizeof( hash_block ) );
mbedtls_platform_zeroize( hash_output, sizeof( hash_output ) );
return ret;
mbedtls_md_free( &md_ctx );
return( ret );
}
#endif /* MBEDTLS_PKCS12_C */