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Diffstat (limited to 'openssl/crypto/asn1/p5_pbe.c')
-rw-r--r--openssl/crypto/asn1/p5_pbe.c148
1 files changed, 148 insertions, 0 deletions
diff --git a/openssl/crypto/asn1/p5_pbe.c b/openssl/crypto/asn1/p5_pbe.c
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+++ b/openssl/crypto/asn1/p5_pbe.c
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+/* p5_pbe.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).
+ *
+ */
+
+#include <stdio.h>
+#include "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_SEQUENCE_END(PBEPARAM)
+
+IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)
+
+
+/* Set an algorithm identifier for a PKCS#5 PBE algorithm */
+
+int PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,
+ const unsigned char *salt, int saltlen)
+ {
+ PBEPARAM *pbe=NULL;
+ ASN1_STRING *pbe_str=NULL;
+ unsigned char *sstr;
+
+ pbe = PBEPARAM_new();
+ if (!pbe)
+ {
+ 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_pseudo_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;
+ }
+
+ PBEPARAM_free(pbe);
+ pbe = NULL;
+
+ if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str))
+ return 1;
+
+err:
+ if (pbe != NULL)
+ PBEPARAM_free(pbe);
+ if (pbe_str != NULL)
+ 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)
+ {
+ ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen))
+ return ret;
+
+ X509_ALGOR_free(ret);
+ return NULL;
+ }