diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/library/pkcs12.c')
| -rw-r--r-- | lib/mbedtls-2.27.0/library/pkcs12.c | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/lib/mbedtls-2.27.0/library/pkcs12.c b/lib/mbedtls-2.27.0/library/pkcs12.c deleted file mode 100644 index 9823d96..0000000 --- a/lib/mbedtls-2.27.0/library/pkcs12.c +++ /dev/null @@ -1,360 +0,0 @@ -/* - * PKCS#12 Personal Information Exchange Syntax - * - * Copyright The Mbed TLS Contributors - * 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. - * 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. - */ -/* - * The PKCS #12 Personal Information Exchange Syntax Standard v1.1 - * - * http://www.rsa.com/rsalabs/pkcs/files/h11301-wp-pkcs-12v1-1-personal-information-exchange-syntax.pdf - * ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-12/pkcs-12v1-1.asn - */ - -#include "common.h" - -#if defined(MBEDTLS_PKCS12_C) - -#include "mbedtls/pkcs12.h" -#include "mbedtls/asn1.h" -#include "mbedtls/cipher.h" -#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 - -#if defined(MBEDTLS_ASN1_PARSE_C) - -static int pkcs12_parse_pbe_params( mbedtls_asn1_buf *params, - mbedtls_asn1_buf *salt, int *iterations ) -{ - int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - unsigned char **p = ¶ms->p; - const unsigned char *end = params->p + params->len; - - /* - * pkcs-12PbeParams ::= SEQUENCE { - * salt OCTET STRING, - * iterations INTEGER - * } - * - */ - 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( ( 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 ) ); - - 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( *p != end ) - return( MBEDTLS_ERROR_ADD( MBEDTLS_ERR_PKCS12_PBE_INVALID_FORMAT, - MBEDTLS_ERR_ASN1_LENGTH_MISMATCH ) ); - - 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 ) -{ - 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 ); - - 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 ); - - 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( 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 ); - } - return( 0 ); -} - -#undef PKCS12_MAX_PWDLEN - -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 ) -{ -#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 = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; - unsigned char key[16]; - mbedtls_arc4_context ctx; - ((void) mode); - - 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 */ -} - -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 olen = 0; - - 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; - - if( ( ret = pkcs12_pbe_derive_key_iv( pbe_params, md_type, pwd, pwdlen, - key, keylen, - iv, cipher_info->iv_size ) ) != 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( ( 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; - -exit: - mbedtls_platform_zeroize( key, sizeof( key ) ); - mbedtls_platform_zeroize( iv, sizeof( iv ) ); - mbedtls_cipher_free( &cipher_ctx ); - - return( ret ); -} - -#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 ) -{ - unsigned char *p = data; - size_t 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; - } -} - -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; - unsigned int j; - - unsigned char diversifier[128]; - 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; - - 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 ); - - 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 ); - hlen = mbedtls_md_get_size( md_info ); - - if( hlen <= 32 ) - v = 64; - else - v = 128; - - memset( diversifier, (unsigned char) id, v ); - - pkcs12_fill_buffer( salt_block, v, salt, saltlen ); - pkcs12_fill_buffer( pwd_block, v, pwd, pwdlen ); - - p = data; - 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 ); - datalen -= use_len; - p += use_len; - - if( datalen == 0 ) - break; - - // Concatenating copies of hash_output into hash_block (B) - pkcs12_fill_buffer( hash_block, v, hash_output, hlen ); - - // B += 1 - 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; - } - - // 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_md_free( &md_ctx ); - - return( ret ); -} - -#endif /* MBEDTLS_PKCS12_C */ |