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authorDr. Stephen Henson <steve@openssl.org>1999-03-28 23:17:34 +0000
committerDr. Stephen Henson <steve@openssl.org>1999-03-28 23:17:34 +0000
commit8d8c7266d4de9887fb0190a0770df9dc254a16a3 (patch)
tree53266f3f48875973f3c7f96abf912c5084155a23 /crypto/pkcs12/p12_mutl.c
parentcfcefcbe2aff81c1735c788ca6ae26b7c16cc453 (diff)
Yet more PKCS#12 integration: add lots of files under crypto/pkcs12 and add
them to the build environment.
Diffstat (limited to 'crypto/pkcs12/p12_mutl.c')
-rw-r--r--crypto/pkcs12/p12_mutl.c187
1 files changed, 187 insertions, 0 deletions
diff --git a/crypto/pkcs12/p12_mutl.c b/crypto/pkcs12/p12_mutl.c
new file mode 100644
index 0000000000..b788e44058
--- /dev/null
+++ b/crypto/pkcs12/p12_mutl.c
@@ -0,0 +1,187 @@
+/* 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).
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <err.h>
+#include <hmac.h>
+#include <rand.h>
+#include "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;
+{
+ 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_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);
+ return 1;
+}
+
+/* Verify the mac */
+int PKCS12_verify_mac (p12, pass, passlen)
+PKCS12 *p12;
+unsigned 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)) {
+ PKCS12err(PKCS12_F_VERIFY_MAC,PKCS12_R_MAC_VERIFY_ERROR);
+ 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;
+{
+ unsigned char mac[EVP_MAX_MD_SIZE];
+ 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 (!(ASN1_OCTET_STRING_set (p12->mac->dinfo->digest, mac, maclen))) {
+ PKCS12err(PKCS12_F_PKCS12_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;
+{
+ if (!(p12->mac = PKCS12_MAC_DATA_new ())) return PKCS12_ERROR;
+ if (iter > 1) {
+ if(!(p12->mac->iter = ASN1_INTEGER_new())) {
+ 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))) {
+ PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
+ return 0;
+ }
+ if (!salt) RAND_bytes (p12->mac->salt->data, saltlen);
+ else memcpy (p12->mac->salt->data, salt, saltlen);
+ M_ASN1_OBJECT_set(p12->mac->dinfo->algor->algorithm,
+ 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;
+}