-/* p12_mutl.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * 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
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 1999-2021 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
-#ifndef OPENSSL_NO_HMAC
-# include <stdio.h>
-# include "cryptlib.h"
-# include <openssl/hmac.h>
-# include <openssl/rand.h>
-# include <openssl/pkcs12.h>
+/*
+ * HMAC low level APIs are deprecated for public use, but still ok for internal
+ * use.
+ */
+#include "internal/deprecated.h"
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/crypto.h>
+#include <openssl/hmac.h>
+#include <openssl/rand.h>
+#include <openssl/pkcs12.h>
+#include "p12_local.h"
+
+int PKCS12_mac_present(const PKCS12 *p12)
+{
+ return p12->mac ? 1 : 0;
+}
+
+void PKCS12_get0_mac(const ASN1_OCTET_STRING **pmac,
+ const X509_ALGOR **pmacalg,
+ const ASN1_OCTET_STRING **psalt,
+ const ASN1_INTEGER **piter,
+ const PKCS12 *p12)
+{
+ if (p12->mac) {
+ X509_SIG_get0(p12->mac->dinfo, pmacalg, pmac);
+ 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)
+static int pkcs12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
+ unsigned char *mac, unsigned int *maclen,
+ int (*pkcs12_key_gen)(const char *pass, int passlen,
+ unsigned char *salt, int slen,
+ int id, int iter, int n,
+ unsigned char *out,
+ const EVP_MD *md_type))
{
- const EVP_MD *md_type;
- HMAC_CTX hmac;
+ int ret = 0;
+ const EVP_MD *md;
+ EVP_MD *md_fetch;
+ HMAC_CTX *hmac = NULL;
unsigned char key[EVP_MAX_MD_SIZE], *salt;
int saltlen, iter;
- int md_size;
+ char md_name[80];
+ int md_size = 0;
+ int md_nid;
+ const X509_ALGOR *macalg;
+ const ASN1_OBJECT *macoid;
if (!PKCS7_type_is_data(p12->authsafes)) {
- PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_CONTENT_TYPE_NOT_DATA);
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_CONTENT_TYPE_NOT_DATA);
return 0;
}
salt = p12->mac->salt->data;
saltlen = p12->mac->salt->length;
- if (!p12->mac->iter)
+ if (p12->mac->iter == NULL)
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);
+ X509_SIG_get0(p12->mac->dinfo, &macalg, NULL);
+ X509_ALGOR_get0(&macoid, NULL, NULL, macalg);
+ if (OBJ_obj2txt(md_name, sizeof(md_name), macoid, 0) < 0)
+ return 0;
+ md = md_fetch = EVP_MD_fetch(p12->authsafes->ctx.libctx, md_name,
+ p12->authsafes->ctx.propq);
+ if (md == NULL)
+ md = EVP_get_digestbynid(OBJ_obj2nid(macoid));
+
+ if (md == NULL) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_UNKNOWN_DIGEST_ALGORITHM);
return 0;
}
- md_size = EVP_MD_size(md_type);
+ md_size = EVP_MD_get_size(md);
+ md_nid = EVP_MD_get_type(md);
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;
+ goto err;
+ if ((md_nid == NID_id_GostR3411_94
+ || md_nid == NID_id_GostR3411_2012_256
+ || md_nid == NID_id_GostR3411_2012_512)
+ && ossl_safe_getenv("LEGACY_GOST_PKCS12") == NULL) {
+ md_size = TK26_MAC_KEY_LEN;
+ if (!pkcs12_gen_gost_mac_key(pass, passlen, salt, saltlen, iter,
+ md_size, key, md)) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_KEY_GEN_ERROR);
+ goto err;
+ }
+ } else {
+ if (pkcs12_key_gen != NULL) {
+ if (!(*pkcs12_key_gen)(pass, passlen, salt, saltlen, PKCS12_MAC_ID,
+ iter, md_size, key, md)) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_KEY_GEN_ERROR);
+ goto err;
+ }
+ } else {
+ /* Default to UTF-8 password */
+ if (!PKCS12_key_gen_utf8_ex(pass, passlen, salt, saltlen, PKCS12_MAC_ID,
+ iter, md_size, key, md,
+ p12->authsafes->ctx.libctx,
+ p12->authsafes->ctx.propq)) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_KEY_GEN_ERROR);
+ goto err;
+ }
+ }
}
- HMAC_CTX_init(&hmac);
- if (!HMAC_Init_ex(&hmac, key, md_size, md_type, NULL)
- || !HMAC_Update(&hmac, p12->authsafes->d.data->data,
+ if ((hmac = HMAC_CTX_new()) == NULL
+ || !HMAC_Init_ex(hmac, key, md_size, md, 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_Final(hmac, mac, maclen)) {
+ goto err;
}
- HMAC_CTX_cleanup(&hmac);
- return 1;
+ ret = 1;
+
+err:
+ OPENSSL_cleanse(key, sizeof(key));
+ HMAC_CTX_free(hmac);
+ EVP_MD_free(md_fetch);
+ return ret;
+}
+
+int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
+ unsigned char *mac, unsigned int *maclen)
+{
+ return pkcs12_gen_mac(p12, pass, passlen, mac, maclen, NULL);
}
/* Verify the mac */
{
unsigned char mac[EVP_MAX_MD_SIZE];
unsigned int maclen;
+ const ASN1_OCTET_STRING *macoct;
+
if (p12->mac == NULL) {
- PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC, PKCS12_R_MAC_ABSENT);
+ ERR_raise(ERR_LIB_PKCS12, 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);
+ if (!pkcs12_gen_mac(p12, pass, passlen, mac, &maclen, NULL)) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_GENERATION_ERROR);
return 0;
}
- if ((maclen != (unsigned int)p12->mac->dinfo->digest->length)
- || memcmp(mac, p12->mac->dinfo->digest->data, maclen))
+ X509_SIG_get0(p12->mac->dinfo, NULL, &macoct);
+ if ((maclen != (unsigned int)ASN1_STRING_length(macoct))
+ || CRYPTO_memcmp(mac, ASN1_STRING_get0_data(macoct), maclen) != 0)
return 0;
+
return 1;
}
{
unsigned char mac[EVP_MAX_MD_SIZE];
unsigned int maclen;
+ ASN1_OCTET_STRING *macoct;
- if (!md_type)
- md_type = EVP_sha1();
+ if (md_type == NULL)
+ /* No need to do a fetch as the md_type is used only to get a NID */
+ md_type = EVP_sha256();
+ if (!iter)
+ iter = PKCS12_DEFAULT_ITER;
if (PKCS12_setup_mac(p12, iter, salt, saltlen, md_type) == PKCS12_ERROR) {
- PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_SETUP_ERROR);
+ ERR_raise(ERR_LIB_PKCS12, 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);
+ /*
+ * Note that output mac is forced to UTF-8...
+ */
+ if (!pkcs12_gen_mac(p12, pass, passlen, mac, &maclen, NULL)) {
+ ERR_raise(ERR_LIB_PKCS12, 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);
+ X509_SIG_getm(p12->mac->dinfo, NULL, &macoct);
+ if (!ASN1_OCTET_STRING_set(macoct, mac, maclen)) {
+ ERR_raise(ERR_LIB_PKCS12, PKCS12_R_MAC_STRING_SET_ERROR);
return 0;
}
return 1;
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()))
+ X509_ALGOR *macalg;
+
+ PKCS12_MAC_DATA_free(p12->mac);
+ p12->mac = NULL;
+
+ if ((p12->mac = PKCS12_MAC_DATA_new()) == NULL)
return PKCS12_ERROR;
if (iter > 1) {
- if (!(p12->mac->iter = M_ASN1_INTEGER_new())) {
- PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
+ if ((p12->mac->iter = ASN1_INTEGER_new()) == NULL) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
return 0;
}
if (!ASN1_INTEGER_set(p12->mac->iter, iter)) {
- PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_PKCS12, 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);
+ if (saltlen < 0)
+ return 0;
+ if ((p12->mac->salt->data = OPENSSL_malloc(saltlen)) == NULL) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
return 0;
}
+ p12->mac->salt->length = saltlen;
if (!salt) {
- if (RAND_pseudo_bytes(p12->mac->salt->data, saltlen) < 0)
+ if (saltlen < 0)
+ return 0;
+ if (RAND_bytes_ex(p12->authsafes->ctx.libctx, p12->mac->salt->data,
+ (size_t)saltlen, 0) <= 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);
+ X509_SIG_getm(p12->mac->dinfo, &macalg, NULL);
+ if (!X509_ALGOR_set0(macalg, OBJ_nid2obj(EVP_MD_get_type(md_type)),
+ V_ASN1_NULL, NULL)) {
+ ERR_raise(ERR_LIB_PKCS12, ERR_R_MALLOC_FAILURE);
return 0;
}
- p12->mac->dinfo->algor->parameter->type = V_ASN1_NULL;
return 1;
}
-#endif
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