/* p12_mutl.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999.
*/
/* ====================================================================
*
*/
+#ifndef OPENSSL_NO_HMAC
#include <stdio.h>
#include "cryptlib.h"
-#include "hmac.h"
-#include "rand.h"
-#include "pkcs12.h"
+#include <openssl/hmac.h>
+#include <openssl/rand.h>
+#include <openssl/pkcs12.h>
/* Generate a MAC */
-int PKCS12_gen_mac (p12, pass, passlen, mac, maclen)
-PKCS12 *p12;
-unsigned char *pass;
-int passlen;
-unsigned char *mac;
-unsigned int *maclen;
+int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
+ unsigned char *mac, unsigned int *maclen)
{
- EVP_MD *md_type;
+ const EVP_MD *md_type;
HMAC_CTX hmac;
- unsigned char key[PKCS12_MAC_KEY_LENGTH], *salt;
+ 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;
+ }
+
salt = p12->mac->salt->data;
saltlen = p12->mac->salt->length;
if (!p12->mac->iter) iter = 1;
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,
- PKCS12_MAC_KEY_LENGTH, key, md_type)) {
+ md_size, key, md_type)) {
PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_KEY_GEN_ERROR);
return 0;
}
- HMAC_Init (&hmac, key, PKCS12_MAC_KEY_LENGTH, md_type);
- HMAC_Update (&hmac, p12->authsafes->d.data->data,
- p12->authsafes->d.data->length);
- HMAC_Final (&hmac, mac, maclen);
+ 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 (p12, pass, passlen)
-PKCS12 *p12;
-unsigned char *pass;
-int passlen;
+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_VERIFY_MAC,PKCS12_R_MAC_ABSENT);
+ PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC,PKCS12_R_MAC_ABSENT);
return 0;
}
if (!PKCS12_gen_mac (p12, pass, passlen, mac, &maclen)) {
- PKCS12err(PKCS12_F_VERIFY_MAC,PKCS12_R_MAC_GENERATION_ERROR);
+ 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)) {
- PKCS12err(PKCS12_F_VERIFY_MAC,PKCS12_R_MAC_VERIFY_ERROR);
- return 0;
- }
+ || memcmp (mac, p12->mac->dinfo->digest->data, maclen)) return 0;
return 1;
}
/* Set a mac */
-int PKCS12_set_mac (p12, pass, passlen, salt, saltlen, iter, md_type)
-PKCS12 *p12;
-unsigned char *pass;
-int passlen;
-unsigned char *salt;
-int saltlen;
-int iter;
-EVP_MD *md_type;
+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 mac[EVP_MAX_MD_SIZE];
- int maclen;
+ 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);
+ 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);
+ PKCS12err(PKCS12_F_PKCS12_SET_MAC,PKCS12_R_MAC_GENERATION_ERROR);
return 0;
}
- if (!(ASN1_OCTET_STRING_set (p12->mac->dinfo->digest, mac, maclen))) {
- PKCS12err(PKCS12_F_PKCS12_PKCS12_SET_MAC,PKCS12_R_MAC_STRING_SET_ERROR);
+ 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 (p12, iter, salt, saltlen, md_type)
-PKCS12 *p12;
-int iter;
-unsigned char *salt;
-int saltlen;
-EVP_MD *md_type;
+int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen,
+ const EVP_MD *md_type)
{
- if (!(p12->mac = PKCS12_MAC_DATA_new ())) return PKCS12_ERROR;
+ if (!(p12->mac = PKCS12_MAC_DATA_new())) return PKCS12_ERROR;
if (iter > 1) {
- if(!(p12->mac->iter = ASN1_INTEGER_new())) {
+ 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;
}
- ASN1_INTEGER_set (p12->mac->iter, iter);
}
if (!saltlen) saltlen = PKCS12_SALT_LEN;
p12->mac->salt->length = saltlen;
- if (!(p12->mac->salt->data = Malloc (saltlen))) {
+ if (!(p12->mac->salt->data = OPENSSL_malloc (saltlen))) {
PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
return 0;
}
- if (!salt) RAND_bytes (p12->mac->salt->data, saltlen);
+ 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())) {
return 1;
}
+#endif
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