-/* p12_mutl.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 1999.
# include <stdio.h>
# include "internal/cryptlib.h"
-#include <openssl/crypto.h>
+# include <openssl/crypto.h>
# include <openssl/hmac.h>
# include <openssl/rand.h>
# include <openssl/pkcs12.h>
+# include "p12_lcl.h"
+
+int PKCS12_mac_present(PKCS12 *p12)
+{
+ return p12->mac ? 1 : 0;
+}
+
+void PKCS12_get0_mac(ASN1_OCTET_STRING **pmac, X509_ALGOR **pmacalg,
+ ASN1_OCTET_STRING **psalt, ASN1_INTEGER **piter,
+ PKCS12 *p12)
+{
+ if (p12->mac) {
+ if (pmac)
+ *pmac = p12->mac->dinfo->digest;
+ if (pmacalg)
+ *pmacalg = p12->mac->dinfo->algor;
+ if (psalt)
+ *psalt = p12->mac->salt;
+ if (piter)
+ *piter = p12->mac->iter;
+ } else {
+ if (pmac)
+ *pmac = NULL;
+ if (pmacalg)
+ *pmacalg = NULL;
+ if (psalt)
+ *psalt = NULL;
+ if (piter)
+ *piter = NULL;
+ }
+}
+
+# define TK26_MAC_KEY_LEN 32
+
+static int pkcs12_gen_gost_mac_key(const char *pass, int passlen,
+ const unsigned char *salt, int saltlen,
+ int iter, int keylen, unsigned char *key,
+ const EVP_MD *digest)
+{
+ unsigned char out[96];
+
+ if (keylen != TK26_MAC_KEY_LEN) {
+ return 0;
+ }
+
+ if (!PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter,
+ digest, sizeof(out), out)) {
+ return 0;
+ }
+ memcpy(key, out + sizeof(out) - TK26_MAC_KEY_LEN, TK26_MAC_KEY_LEN);
+ OPENSSL_cleanse(out, sizeof(out));
+ return 1;
+}
/* Generate a MAC */
int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
unsigned char *mac, unsigned int *maclen)
{
const EVP_MD *md_type;
- HMAC_CTX hmac;
+ HMAC_CTX *hmac = NULL;
unsigned char key[EVP_MAX_MD_SIZE], *salt;
int saltlen, iter;
- int md_size;
+ int md_size = 0;
+ int md_type_nid;
if (!PKCS7_type_is_data(p12->authsafes)) {
PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_CONTENT_TYPE_NOT_DATA);
return 0;
}
md_size = EVP_MD_size(md_type);
+ md_type_nid = EVP_MD_type(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)) {
+ if ((md_type_nid == NID_id_GostR3411_94
+ || md_type_nid == NID_id_GostR3411_2012_256
+ || md_type_nid == NID_id_GostR3411_2012_512)
+ && !getenv("LEGACY_GOST_PKCS12")) {
+ md_size = TK26_MAC_KEY_LEN;
+ if (!pkcs12_gen_gost_mac_key(pass, passlen, salt, saltlen, iter,
+ md_size, key, md_type)) {
+ PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_KEY_GEN_ERROR);
+ return 0;
+ }
+ } else
+ 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,
+ hmac = HMAC_CTX_new();
+ 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);
+ || !HMAC_Final(hmac, mac, maclen)) {
+ HMAC_CTX_free(hmac);
return 0;
}
- HMAC_CTX_cleanup(&hmac);
+ HMAC_CTX_free(hmac);
return 1;
}
}
if (!saltlen)
saltlen = PKCS12_SALT_LEN;
- p12->mac->salt->length = saltlen;
if ((p12->mac->salt->data = OPENSSL_malloc(saltlen)) == NULL) {
PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
return 0;
}
+ p12->mac->salt->length = saltlen;
if (!salt) {
if (RAND_bytes(p12->mac->salt->data, saltlen) <= 0)
return 0;