--- /dev/null
+/* p12_mutl.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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).
+ *
+ */
+
+#ifndef OPENSSL_NO_HMAC
+#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)
+{
+ const EVP_MD *md_type;
+ HMAC_CTX hmac;
+ unsigned char key[PKCS12_MAC_KEY_LENGTH], *salt;
+ int saltlen, iter;
+
+ 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;
+ }
+ if(!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_MAC_ID, iter,
+ PKCS12_MAC_KEY_LENGTH, key, md_type)) {
+ PKCS12err(PKCS12_F_PKCS12_GEN_MAC,PKCS12_R_KEY_GEN_ERROR);
+ return 0;
+ }
+ HMAC_CTX_init(&hmac);
+ HMAC_Init_ex(&hmac, key, PKCS12_MAC_KEY_LENGTH, 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 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_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);
+ 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 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;
+}
+
+/* Set up a mac structure */
+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 (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
projects / bcm963xx.git / blobdiff