-/* p5_pbev2.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 1999-2004.
- */
-/* ====================================================================
- * 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 1999-2018 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>
unsigned char *salt, int saltlen,
unsigned char *aiv, int prf_nid)
{
- X509_ALGOR *scheme = NULL, *kalg = NULL, *ret = NULL;
+ X509_ALGOR *scheme = NULL, *ret = NULL;
int alg_nid, keylen;
- EVP_CIPHER_CTX ctx;
+ EVP_CIPHER_CTX *ctx = NULL;
unsigned char iv[EVP_MAX_IV_LENGTH];
PBE2PARAM *pbe2 = NULL;
- ASN1_OBJECT *obj;
alg_nid = EVP_CIPHER_type(cipher);
if (alg_nid == NID_undef) {
ASN1_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER);
goto err;
}
- obj = OBJ_nid2obj(alg_nid);
- if (!(pbe2 = PBE2PARAM_new()))
+ if ((pbe2 = PBE2PARAM_new()) == NULL)
goto merr;
/* Setup the AlgorithmIdentifier for the encryption scheme */
scheme = pbe2->encryption;
-
- scheme->algorithm = obj;
- if (!(scheme->parameter = ASN1_TYPE_new()))
+ scheme->algorithm = OBJ_nid2obj(alg_nid);
+ if ((scheme->parameter = ASN1_TYPE_new()) == NULL)
goto merr;
/* Create random IV */
if (EVP_CIPHER_iv_length(cipher)) {
if (aiv)
memcpy(iv, aiv, EVP_CIPHER_iv_length(cipher));
- else if (RAND_pseudo_bytes(iv, EVP_CIPHER_iv_length(cipher)) < 0)
+ else if (RAND_bytes(iv, EVP_CIPHER_iv_length(cipher)) <= 0)
goto err;
}
- EVP_CIPHER_CTX_init(&ctx);
+ ctx = EVP_CIPHER_CTX_new();
+ if (ctx == NULL)
+ goto merr;
/* Dummy cipherinit to just setup the IV, and PRF */
- if (!EVP_CipherInit_ex(&ctx, cipher, NULL, NULL, iv, 0))
+ if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, iv, 0))
goto err;
- if (EVP_CIPHER_param_to_asn1(&ctx, scheme->parameter) < 0) {
+ if (EVP_CIPHER_param_to_asn1(ctx, scheme->parameter) <= 0) {
ASN1err(ASN1_F_PKCS5_PBE2_SET_IV, ASN1_R_ERROR_SETTING_CIPHER_PARAMS);
- EVP_CIPHER_CTX_cleanup(&ctx);
goto err;
}
/*
* here: just means use default PRF.
*/
if ((prf_nid == -1) &&
- EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_PBE_PRF_NID, 0, &prf_nid) <= 0) {
+ EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_PBE_PRF_NID, 0, &prf_nid) <= 0) {
ERR_clear_error();
- prf_nid = NID_hmacWithSHA1;
+ prf_nid = NID_hmacWithSHA256;
}
- EVP_CIPHER_CTX_cleanup(&ctx);
+ EVP_CIPHER_CTX_free(ctx);
+ ctx = NULL;
/* If its RC2 then we'd better setup the key length */
/* Now set up top level AlgorithmIdentifier */
- if (!(ret = X509_ALGOR_new()))
- goto merr;
- if (!(ret->parameter = ASN1_TYPE_new()))
+ if ((ret = X509_ALGOR_new()) == NULL)
goto merr;
ret->algorithm = OBJ_nid2obj(NID_pbes2);
/* Encode PBE2PARAM into parameter */
- if (!ASN1_item_pack(pbe2, ASN1_ITEM_rptr(PBE2PARAM),
- &ret->parameter->value.sequence))
+ if (!ASN1_TYPE_pack_sequence(ASN1_ITEM_rptr(PBE2PARAM), pbe2,
+ &ret->parameter))
goto merr;
- ret->parameter->type = V_ASN1_SEQUENCE;
PBE2PARAM_free(pbe2);
pbe2 = NULL;
ASN1err(ASN1_F_PKCS5_PBE2_SET_IV, ERR_R_MALLOC_FAILURE);
err:
+ EVP_CIPHER_CTX_free(ctx);
PBE2PARAM_free(pbe2);
/* Note 'scheme' is freed as part of pbe2 */
- X509_ALGOR_free(kalg);
X509_ALGOR_free(ret);
return NULL;
-
}
X509_ALGOR *PKCS5_pbe2_set(const EVP_CIPHER *cipher, int iter,
PBKDF2PARAM *kdf = NULL;
ASN1_OCTET_STRING *osalt = NULL;
- if (!(kdf = PBKDF2PARAM_new()))
+ if ((kdf = PBKDF2PARAM_new()) == NULL)
goto merr;
- if (!(osalt = ASN1_OCTET_STRING_new()))
+ if ((osalt = ASN1_OCTET_STRING_new()) == NULL)
goto merr;
kdf->salt->value.octet_string = osalt;
kdf->salt->type = V_ASN1_OCTET_STRING;
- if (!saltlen)
+ if (saltlen == 0)
saltlen = PKCS5_SALT_LEN;
- if (!(osalt->data = OPENSSL_malloc(saltlen)))
+ if ((osalt->data = OPENSSL_malloc(saltlen)) == NULL)
goto merr;
osalt->length = saltlen;
if (salt)
memcpy(osalt->data, salt, saltlen);
- else if (RAND_pseudo_bytes(osalt->data, saltlen) < 0)
+ else if (RAND_bytes(osalt->data, saltlen) <= 0)
goto merr;
if (iter <= 0)
/* If have a key len set it up */
if (keylen > 0) {
- if (!(kdf->keylength = ASN1_INTEGER_new()))
+ if ((kdf->keylength = ASN1_INTEGER_new()) == NULL)
goto merr;
if (!ASN1_INTEGER_set(kdf->keylength, keylen))
goto merr;
/* prf can stay NULL if we are using hmacWithSHA1 */
if (prf_nid > 0 && prf_nid != NID_hmacWithSHA1) {
kdf->prf = X509_ALGOR_new();
- if (!kdf->prf)
+ if (kdf->prf == NULL)
goto merr;
X509_ALGOR_set0(kdf->prf, OBJ_nid2obj(prf_nid), V_ASN1_NULL, NULL);
}
/* Finally setup the keyfunc structure */
keyfunc = X509_ALGOR_new();
- if (!keyfunc)
+ if (keyfunc == NULL)
goto merr;
keyfunc->algorithm = OBJ_nid2obj(NID_id_pbkdf2);
/* Encode PBKDF2PARAM into parameter of pbe2 */
- if (!(keyfunc->parameter = ASN1_TYPE_new()))
- goto merr;
-
- if (!ASN1_item_pack(kdf, ASN1_ITEM_rptr(PBKDF2PARAM),
- &keyfunc->parameter->value.sequence))
+ if (!ASN1_TYPE_pack_sequence(ASN1_ITEM_rptr(PBKDF2PARAM), kdf,
+ &keyfunc->parameter))
goto merr;
- keyfunc->parameter->type = V_ASN1_SEQUENCE;
PBKDF2PARAM_free(kdf);
return keyfunc;