diff options
Diffstat (limited to 'openssl/crypto/asn1/p5_pbev2.c')
-rw-r--r-- | openssl/crypto/asn1/p5_pbev2.c | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/openssl/crypto/asn1/p5_pbev2.c b/openssl/crypto/asn1/p5_pbev2.c deleted file mode 100644 index cb49b665..00000000 --- a/openssl/crypto/asn1/p5_pbev2.c +++ /dev/null @@ -1,235 +0,0 @@ -/* 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). - * - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/asn1t.h> -#include <openssl/x509.h> -#include <openssl/rand.h> - -/* PKCS#5 v2.0 password based encryption structures */ - -ASN1_SEQUENCE(PBE2PARAM) = { - ASN1_SIMPLE(PBE2PARAM, keyfunc, X509_ALGOR), - ASN1_SIMPLE(PBE2PARAM, encryption, X509_ALGOR) -} ASN1_SEQUENCE_END(PBE2PARAM) - -IMPLEMENT_ASN1_FUNCTIONS(PBE2PARAM) - -ASN1_SEQUENCE(PBKDF2PARAM) = { - ASN1_SIMPLE(PBKDF2PARAM, salt, ASN1_ANY), - ASN1_SIMPLE(PBKDF2PARAM, iter, ASN1_INTEGER), - ASN1_OPT(PBKDF2PARAM, keylength, ASN1_INTEGER), - ASN1_OPT(PBKDF2PARAM, prf, X509_ALGOR) -} ASN1_SEQUENCE_END(PBKDF2PARAM) - -IMPLEMENT_ASN1_FUNCTIONS(PBKDF2PARAM) - -/* Return an algorithm identifier for a PKCS#5 v2.0 PBE algorithm: - * yes I know this is horrible! - * - * Extended version to allow application supplied PRF NID and IV. - */ - -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; - int alg_nid; - EVP_CIPHER_CTX ctx; - unsigned char iv[EVP_MAX_IV_LENGTH]; - PBKDF2PARAM *kdf = NULL; - PBE2PARAM *pbe2 = NULL; - ASN1_OCTET_STRING *osalt = NULL; - ASN1_OBJECT *obj; - - alg_nid = EVP_CIPHER_type(cipher); - if(alg_nid == NID_undef) { - ASN1err(ASN1_F_PKCS5_PBE2_SET_IV, - ASN1_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER); - goto err; - } - obj = OBJ_nid2obj(alg_nid); - - if(!(pbe2 = PBE2PARAM_new())) goto merr; - - /* Setup the AlgorithmIdentifier for the encryption scheme */ - scheme = pbe2->encryption; - - scheme->algorithm = obj; - if(!(scheme->parameter = ASN1_TYPE_new())) 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) - goto err; - } - - EVP_CIPHER_CTX_init(&ctx); - - /* Dummy cipherinit to just setup the IV, and PRF */ - EVP_CipherInit_ex(&ctx, cipher, NULL, NULL, iv, 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; - } - /* If prf NID unspecified see if cipher has a preference. - * An error is OK here: just means use default PRF. - */ - if ((prf_nid == -1) && - EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_PBE_PRF_NID, 0, &prf_nid) <= 0) - { - ERR_clear_error(); - prf_nid = NID_hmacWithSHA1; - } - EVP_CIPHER_CTX_cleanup(&ctx); - - if(!(kdf = PBKDF2PARAM_new())) goto merr; - if(!(osalt = M_ASN1_OCTET_STRING_new())) goto merr; - - if (!saltlen) saltlen = PKCS5_SALT_LEN; - if (!(osalt->data = OPENSSL_malloc (saltlen))) goto merr; - osalt->length = saltlen; - if (salt) memcpy (osalt->data, salt, saltlen); - else if (RAND_pseudo_bytes (osalt->data, saltlen) < 0) goto merr; - - if(iter <= 0) iter = PKCS5_DEFAULT_ITER; - if(!ASN1_INTEGER_set(kdf->iter, iter)) goto merr; - - /* Now include salt in kdf structure */ - kdf->salt->value.octet_string = osalt; - kdf->salt->type = V_ASN1_OCTET_STRING; - osalt = NULL; - - /* If its RC2 then we'd better setup the key length */ - - if(alg_nid == NID_rc2_cbc) { - if(!(kdf->keylength = M_ASN1_INTEGER_new())) goto merr; - if(!ASN1_INTEGER_set (kdf->keylength, - EVP_CIPHER_key_length(cipher))) goto merr; - } - - /* prf can stay NULL if we are using hmacWithSHA1 */ - if (prf_nid != NID_hmacWithSHA1) - { - kdf->prf = X509_ALGOR_new(); - if (!kdf->prf) - goto merr; - X509_ALGOR_set0(kdf->prf, OBJ_nid2obj(prf_nid), - V_ASN1_NULL, NULL); - } - - /* Now setup the PBE2PARAM keyfunc structure */ - - pbe2->keyfunc->algorithm = OBJ_nid2obj(NID_id_pbkdf2); - - /* Encode PBKDF2PARAM into parameter of pbe2 */ - - if(!(pbe2->keyfunc->parameter = ASN1_TYPE_new())) goto merr; - - if(!ASN1_item_pack(kdf, ASN1_ITEM_rptr(PBKDF2PARAM), - &pbe2->keyfunc->parameter->value.sequence)) goto merr; - pbe2->keyfunc->parameter->type = V_ASN1_SEQUENCE; - - PBKDF2PARAM_free(kdf); - kdf = NULL; - - /* Now set up top level AlgorithmIdentifier */ - - if(!(ret = X509_ALGOR_new())) goto merr; - if(!(ret->parameter = ASN1_TYPE_new())) 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)) goto merr; - ret->parameter->type = V_ASN1_SEQUENCE; - - PBE2PARAM_free(pbe2); - pbe2 = NULL; - - return ret; - - merr: - ASN1err(ASN1_F_PKCS5_PBE2_SET_IV,ERR_R_MALLOC_FAILURE); - - err: - PBE2PARAM_free(pbe2); - /* Note 'scheme' is freed as part of pbe2 */ - M_ASN1_OCTET_STRING_free(osalt); - PBKDF2PARAM_free(kdf); - X509_ALGOR_free(kalg); - X509_ALGOR_free(ret); - - return NULL; - -} - -X509_ALGOR *PKCS5_pbe2_set(const EVP_CIPHER *cipher, int iter, - unsigned char *salt, int saltlen) - { - return PKCS5_pbe2_set_iv(cipher, iter, salt, saltlen, NULL, -1); - } |