-/* p5_pbe.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).
+/*
+ * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (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
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/rand.h>
/* PKCS#5 password based encryption structure */
ASN1_SEQUENCE(PBEPARAM) = {
- ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),
- ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)
+ ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),
+ ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)
} ASN1_SEQUENCE_END(PBEPARAM)
IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)
-/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
+/* Set an algorithm identifier for a PKCS#5 PBE algorithm */
-X509_ALGOR *PKCS5_pbe_set(int alg, int iter, unsigned char *salt,
- int saltlen)
+int PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,
+ const unsigned char *salt, int saltlen)
{
- PBEPARAM *pbe=NULL;
- ASN1_OBJECT *al;
- X509_ALGOR *algor;
- ASN1_TYPE *astype=NULL;
+ PBEPARAM *pbe = NULL;
+ ASN1_STRING *pbe_str = NULL;
+ unsigned char *sstr;
+
+ pbe = PBEPARAM_new();
+ if (pbe == NULL) {
+ ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (iter <= 0)
+ iter = PKCS5_DEFAULT_ITER;
+ if (!ASN1_INTEGER_set(pbe->iter, iter)) {
+ ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!saltlen)
+ saltlen = PKCS5_SALT_LEN;
+ if (!ASN1_STRING_set(pbe->salt, NULL, saltlen)) {
+ ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ sstr = ASN1_STRING_data(pbe->salt);
+ if (salt)
+ memcpy(sstr, salt, saltlen);
+ else if (RAND_bytes(sstr, saltlen) <= 0)
+ goto err;
+
+ if (!ASN1_item_pack(pbe, ASN1_ITEM_rptr(PBEPARAM), &pbe_str)) {
+ ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
- if (!(pbe = PBEPARAM_new ())) {
- ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if(iter <= 0) iter = PKCS5_DEFAULT_ITER;
- if (!ASN1_INTEGER_set(pbe->iter, iter)) {
- ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!saltlen) saltlen = PKCS5_SALT_LEN;
- if (!(pbe->salt->data = OPENSSL_malloc (saltlen))) {
- ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- pbe->salt->length = saltlen;
- if (salt) memcpy (pbe->salt->data, salt, saltlen);
- else if (RAND_pseudo_bytes (pbe->salt->data, saltlen) < 0)
- goto err;
+ PBEPARAM_free(pbe);
+ pbe = NULL;
- if (!(astype = ASN1_TYPE_new())) {
- ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
+ if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str))
+ return 1;
+
+ err:
+ PBEPARAM_free(pbe);
+ ASN1_STRING_free(pbe_str);
+ return 0;
+}
+
+/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
+
+X509_ALGOR *PKCS5_pbe_set(int alg, int iter,
+ const unsigned char *salt, int saltlen)
+{
+ X509_ALGOR *ret;
+ ret = X509_ALGOR_new();
+ if (ret == NULL) {
+ ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
- astype->type = V_ASN1_SEQUENCE;
- if(!ASN1_pack_string_of(PBEPARAM, pbe, i2d_PBEPARAM,
- &astype->value.sequence)) {
- ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- PBEPARAM_free (pbe);
- pbe = NULL;
-
- al = OBJ_nid2obj(alg); /* never need to free al */
- if (!(algor = X509_ALGOR_new())) {
- ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- ASN1_OBJECT_free(algor->algorithm);
- algor->algorithm = al;
- algor->parameter = astype;
+ if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen))
+ return ret;
- return (algor);
-err:
- if (pbe != NULL) PBEPARAM_free(pbe);
- if (astype != NULL) ASN1_TYPE_free(astype);
- return NULL;
+ X509_ALGOR_free(ret);
+ return NULL;
}
projects / openssl.git / blobdiff