X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fasn1%2Fp5_pbev2.c;h=f91ba08f1ea4cbdf2f7938574458ce930617e34a;hb=edfd50d8db3ae20c1cba1667f861a25cbe6c31f2;hp=c56d850a746aab6e0a25f0bcf50908afa007ed3b;hpb=f422a51486a3ab415153eccdc3c3746c53da01f4;p=oweals%2Fopenssl.git diff --git a/crypto/asn1/p5_pbev2.c b/crypto/asn1/p5_pbev2.c index c56d850a74..f91ba08f1e 100644 --- a/crypto/asn1/p5_pbev2.c +++ b/crypto/asn1/p5_pbev2.c @@ -1,64 +1,14 @@ -/* 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 -#include "cryptlib.h" +#include "internal/cryptlib.h" #include #include #include @@ -91,12 +41,11 @@ X509_ALGOR *PKCS5_pbe2_set_iv(const EVP_CIPHER *cipher, int iter, 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) { @@ -104,34 +53,33 @@ X509_ALGOR *PKCS5_pbe2_set_iv(const EVP_CIPHER *cipher, int iter, 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; } /* @@ -139,11 +87,12 @@ X509_ALGOR *PKCS5_pbe2_set_iv(const EVP_CIPHER *cipher, int iter, * 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 */ @@ -163,19 +112,16 @@ X509_ALGOR *PKCS5_pbe2_set_iv(const EVP_CIPHER *cipher, int iter, /* 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; @@ -186,13 +132,12 @@ X509_ALGOR *PKCS5_pbe2_set_iv(const EVP_CIPHER *cipher, int iter, 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, @@ -208,24 +153,24 @@ X509_ALGOR *PKCS5_pbkdf2_set(int iter, unsigned char *salt, int saltlen, 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) @@ -237,7 +182,7 @@ X509_ALGOR *PKCS5_pbkdf2_set(int iter, unsigned char *salt, int saltlen, /* 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; @@ -246,7 +191,7 @@ X509_ALGOR *PKCS5_pbkdf2_set(int iter, unsigned char *salt, int saltlen, /* 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); } @@ -254,20 +199,16 @@ X509_ALGOR *PKCS5_pbkdf2_set(int iter, unsigned char *salt, int saltlen, /* 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;