X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fpkcs12%2Fp12_crpt.c;h=08be40c61ffd486703e5f371cd1c4423af3174d8;hb=4b464e7b46682f568a5df550426b0cf4b22e2485;hp=b2659f60ef447bc9235adb87fb8e94429073d54a;hpb=cf1b7d96647d55e533f779e476e3d4371f40445a;p=oweals%2Fopenssl.git diff --git a/crypto/pkcs12/p12_crpt.c b/crypto/pkcs12/p12_crpt.c index b2659f60ef..08be40c61f 100644 --- a/crypto/pkcs12/p12_crpt.c +++ b/crypto/pkcs12/p12_crpt.c @@ -1,6 +1,7 @@ /* p12_crpt.c */ -/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL - * project 1999. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 1999. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -57,68 +58,53 @@ */ #include -#include "cryptlib.h" +#include "internal/cryptlib.h" #include -/* PKCS#12 specific PBE functions */ +/* PKCS#12 PBE algorithms now in static table */ void PKCS12_PBE_add(void) { -#ifndef OPENSSL_NO_RC4 -EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC4, EVP_rc4(), EVP_sha1(), - PKCS12_PBE_keyivgen); -EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC4, EVP_rc4_40(), EVP_sha1(), - PKCS12_PBE_keyivgen); -#endif -#ifndef OPENSSL_NO_DES -EVP_PBE_alg_add(NID_pbe_WithSHA1And3_Key_TripleDES_CBC, - EVP_des_ede3_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); -EVP_PBE_alg_add(NID_pbe_WithSHA1And2_Key_TripleDES_CBC, - EVP_des_ede_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); -#endif -#ifndef OPENSSL_NO_RC2 -EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC2_CBC, EVP_rc2_cbc(), - EVP_sha1(), PKCS12_PBE_keyivgen); -EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC2_CBC, EVP_rc2_40_cbc(), - EVP_sha1(), PKCS12_PBE_keyivgen); -#endif } -int PKCS12_PBE_keyivgen (EVP_CIPHER_CTX *ctx, const char *pass, int passlen, - ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md, int en_de) +int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, + ASN1_TYPE *param, const EVP_CIPHER *cipher, + const EVP_MD *md, int en_de) { - PBEPARAM *pbe; - int saltlen, iter; - unsigned char *salt, *pbuf; - unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; + PBEPARAM *pbe; + int saltlen, iter, ret; + unsigned char *salt; + unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; - /* Extract useful info from parameter */ - pbuf = param->value.sequence->data; - if (!param || (param->type != V_ASN1_SEQUENCE) || - !(pbe = d2i_PBEPARAM (NULL, &pbuf, param->value.sequence->length))) { - EVPerr(PKCS12_F_PKCS12_PBE_KEYIVGEN,EVP_R_DECODE_ERROR); - return 0; - } + /* Extract useful info from parameter */ - if (!pbe->iter) iter = 1; - else iter = ASN1_INTEGER_get (pbe->iter); - salt = pbe->salt->data; - saltlen = pbe->salt->length; - if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID, - iter, EVP_CIPHER_key_length(cipher), key, md)) { - PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR); - PBEPARAM_free(pbe); - return 0; - } - if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID, - iter, EVP_CIPHER_iv_length(cipher), iv, md)) { - PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR); - PBEPARAM_free(pbe); - return 0; - } - PBEPARAM_free(pbe); - EVP_CipherInit(ctx, cipher, key, iv, en_de); - memset(key, 0, EVP_MAX_KEY_LENGTH); - memset(iv, 0, EVP_MAX_IV_LENGTH); - return 1; + pbe = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBEPARAM), param); + if (pbe == NULL) { + PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR); + return 0; + } + + if (!pbe->iter) + iter = 1; + else + iter = ASN1_INTEGER_get(pbe->iter); + salt = pbe->salt->data; + saltlen = pbe->salt->length; + if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID, + iter, EVP_CIPHER_key_length(cipher), key, md)) { + PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_KEY_GEN_ERROR); + PBEPARAM_free(pbe); + return 0; + } + if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID, + iter, EVP_CIPHER_iv_length(cipher), iv, md)) { + PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_IV_GEN_ERROR); + PBEPARAM_free(pbe); + return 0; + } + PBEPARAM_free(pbe); + ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de); + OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); + OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); + return ret; }