diff options
Diffstat (limited to 'openssl/crypto/pkcs12/p12_mutl.c')
| -rw-r--r-- | openssl/crypto/pkcs12/p12_mutl.c | 222 |
1 files changed, 113 insertions, 109 deletions
diff --git a/openssl/crypto/pkcs12/p12_mutl.c b/openssl/crypto/pkcs12/p12_mutl.c index 96de1bd11..256b210cc 100644 --- a/openssl/crypto/pkcs12/p12_mutl.c +++ b/openssl/crypto/pkcs12/p12_mutl.c @@ -1,6 +1,7 @@ /* p12_mutl.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 1999. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 1999. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -57,134 +58,137 @@ */ #ifndef OPENSSL_NO_HMAC -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/hmac.h> -#include <openssl/rand.h> -#include <openssl/pkcs12.h> +# include <stdio.h> +# include "cryptlib.h" +# include <openssl/hmac.h> +# include <openssl/rand.h> +# include <openssl/pkcs12.h> /* Generate a MAC */ int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen, - unsigned char *mac, unsigned int *maclen) + unsigned char *mac, unsigned int *maclen) { - const EVP_MD *md_type; - HMAC_CTX hmac; - unsigned char key[EVP_MAX_MD_SIZE], *salt; - int saltlen, iter; - int md_size; + const EVP_MD *md_type; + HMAC_CTX hmac; + unsigned char key[EVP_MAX_MD_SIZE], *salt; + int saltlen, iter; + int md_size; - if (!PKCS7_type_is_data(p12->authsafes)) - { - PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_CONTENT_TYPE_NOT_DATA); - return 0; - } + if (!PKCS7_type_is_data(p12->authsafes)) { + PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_CONTENT_TYPE_NOT_DATA); + return 0; + } - salt = p12->mac->salt->data; - saltlen = p12->mac->salt->length; - if (!p12->mac->iter) iter = 1; - else iter = ASN1_INTEGER_get (p12->mac->iter); - if(!(md_type = - EVP_get_digestbyobj (p12->mac->dinfo->algor->algorithm))) { - PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_UNKNOWN_DIGEST_ALGORITHM); - return 0; - } - md_size = EVP_MD_size(md_type); - if (md_size < 0) - return 0; - if(!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_MAC_ID, iter, - md_size, key, md_type)) { - PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_KEY_GEN_ERROR); - return 0; - } - HMAC_CTX_init(&hmac); - if (!HMAC_Init_ex(&hmac, key, md_size, md_type, NULL) - || !HMAC_Update(&hmac, p12->authsafes->d.data->data, - p12->authsafes->d.data->length) - || !HMAC_Final(&hmac, mac, maclen)) - { - HMAC_CTX_cleanup(&hmac); - return 0; - } - HMAC_CTX_cleanup(&hmac); - return 1; + salt = p12->mac->salt->data; + saltlen = p12->mac->salt->length; + if (!p12->mac->iter) + iter = 1; + else + iter = ASN1_INTEGER_get(p12->mac->iter); + if (!(md_type = EVP_get_digestbyobj(p12->mac->dinfo->algor->algorithm))) { + PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_UNKNOWN_DIGEST_ALGORITHM); + return 0; + } + md_size = EVP_MD_size(md_type); + if (md_size < 0) + return 0; + if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_MAC_ID, iter, + md_size, key, md_type)) { + PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_KEY_GEN_ERROR); + return 0; + } + HMAC_CTX_init(&hmac); + if (!HMAC_Init_ex(&hmac, key, md_size, md_type, NULL) + || !HMAC_Update(&hmac, p12->authsafes->d.data->data, + p12->authsafes->d.data->length) + || !HMAC_Final(&hmac, mac, maclen)) { + HMAC_CTX_cleanup(&hmac); + return 0; + } + HMAC_CTX_cleanup(&hmac); + return 1; } /* Verify the mac */ int PKCS12_verify_mac(PKCS12 *p12, const char *pass, int passlen) { - unsigned char mac[EVP_MAX_MD_SIZE]; - unsigned int maclen; - if(p12->mac == NULL) { - PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC,PKCS12_R_MAC_ABSENT); - return 0; - } - if (!PKCS12_gen_mac (p12, pass, passlen, mac, &maclen)) { - PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC,PKCS12_R_MAC_GENERATION_ERROR); - return 0; - } - if ((maclen != (unsigned int)p12->mac->dinfo->digest->length) - || memcmp (mac, p12->mac->dinfo->digest->data, maclen)) return 0; - return 1; + unsigned char mac[EVP_MAX_MD_SIZE]; + unsigned int maclen; + if (p12->mac == NULL) { + PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC, PKCS12_R_MAC_ABSENT); + return 0; + } + if (!PKCS12_gen_mac(p12, pass, passlen, mac, &maclen)) { + PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC, PKCS12_R_MAC_GENERATION_ERROR); + return 0; + } + if ((maclen != (unsigned int)p12->mac->dinfo->digest->length) + || memcmp(mac, p12->mac->dinfo->digest->data, maclen)) + return 0; + return 1; } /* Set a mac */ int PKCS12_set_mac(PKCS12 *p12, const char *pass, int passlen, - unsigned char *salt, int saltlen, int iter, const EVP_MD *md_type) + unsigned char *salt, int saltlen, int iter, + const EVP_MD *md_type) { - unsigned char mac[EVP_MAX_MD_SIZE]; - unsigned int maclen; + unsigned char mac[EVP_MAX_MD_SIZE]; + unsigned int maclen; - if (!md_type) md_type = EVP_sha1(); - if (PKCS12_setup_mac (p12, iter, salt, saltlen, md_type) == - PKCS12_ERROR) { - PKCS12err(PKCS12_F_PKCS12_SET_MAC,PKCS12_R_MAC_SETUP_ERROR); - return 0; - } - if (!PKCS12_gen_mac (p12, pass, passlen, mac, &maclen)) { - PKCS12err(PKCS12_F_PKCS12_SET_MAC,PKCS12_R_MAC_GENERATION_ERROR); - return 0; - } - if (!(M_ASN1_OCTET_STRING_set (p12->mac->dinfo->digest, mac, maclen))) { - PKCS12err(PKCS12_F_PKCS12_SET_MAC,PKCS12_R_MAC_STRING_SET_ERROR); - return 0; - } - return 1; + if (!md_type) + md_type = EVP_sha1(); + if (PKCS12_setup_mac(p12, iter, salt, saltlen, md_type) == PKCS12_ERROR) { + PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_SETUP_ERROR); + return 0; + } + if (!PKCS12_gen_mac(p12, pass, passlen, mac, &maclen)) { + PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_GENERATION_ERROR); + return 0; + } + if (!(M_ASN1_OCTET_STRING_set(p12->mac->dinfo->digest, mac, maclen))) { + PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_STRING_SET_ERROR); + return 0; + } + return 1; } /* Set up a mac structure */ int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen, - const EVP_MD *md_type) + const EVP_MD *md_type) { - if (!(p12->mac = PKCS12_MAC_DATA_new())) return PKCS12_ERROR; - if (iter > 1) { - if(!(p12->mac->iter = M_ASN1_INTEGER_new())) { - PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); - return 0; - } - if (!ASN1_INTEGER_set(p12->mac->iter, iter)) { - PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); - return 0; - } - } - if (!saltlen) saltlen = PKCS12_SALT_LEN; - p12->mac->salt->length = saltlen; - if (!(p12->mac->salt->data = OPENSSL_malloc (saltlen))) { - PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); - return 0; - } - if (!salt) { - if (RAND_pseudo_bytes (p12->mac->salt->data, saltlen) < 0) - return 0; - } - else memcpy (p12->mac->salt->data, salt, saltlen); - p12->mac->dinfo->algor->algorithm = OBJ_nid2obj(EVP_MD_type(md_type)); - if (!(p12->mac->dinfo->algor->parameter = ASN1_TYPE_new())) { - PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); - return 0; - } - p12->mac->dinfo->algor->parameter->type = V_ASN1_NULL; - - return 1; + if (!(p12->mac = PKCS12_MAC_DATA_new())) + return PKCS12_ERROR; + if (iter > 1) { + if (!(p12->mac->iter = M_ASN1_INTEGER_new())) { + PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); + return 0; + } + if (!ASN1_INTEGER_set(p12->mac->iter, iter)) { + PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); + return 0; + } + } + if (!saltlen) + saltlen = PKCS12_SALT_LEN; + p12->mac->salt->length = saltlen; + if (!(p12->mac->salt->data = OPENSSL_malloc(saltlen))) { + PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); + return 0; + } + if (!salt) { + if (RAND_pseudo_bytes(p12->mac->salt->data, saltlen) < 0) + return 0; + } else + memcpy(p12->mac->salt->data, salt, saltlen); + p12->mac->dinfo->algor->algorithm = OBJ_nid2obj(EVP_MD_type(md_type)); + if (!(p12->mac->dinfo->algor->parameter = ASN1_TYPE_new())) { + PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE); + return 0; + } + p12->mac->dinfo->algor->parameter->type = V_ASN1_NULL; + + return 1; } #endif |