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author | Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com> | 2017-09-13 12:09:40 -0700 |
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committer | Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com> | 2017-09-13 12:09:40 -0700 |
commit | b6f94dbeacfc6f0a507413096189304c58dbe66c (patch) | |
tree | bce8c7db22209078618294c51d95a0c033aec7d9 /Cryptlib/OpenSSL/crypto/evp/p5_crpt2.c | |
parent | 25f7fd1fb389a5f6356f353d16c5ead80dac6bbc (diff) | |
download | efi-boot-shim-upstream/13_git1505328970.9c1c35c5.tar.gz efi-boot-shim-upstream/13_git1505328970.9c1c35c5.zip |
New upstream version 13~git1505328970.9c1c35c5upstream/13_git1505328970.9c1c35c5
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/evp/p5_crpt2.c')
-rw-r--r-- | Cryptlib/OpenSSL/crypto/evp/p5_crpt2.c | 157 |
1 files changed, 107 insertions, 50 deletions
diff --git a/Cryptlib/OpenSSL/crypto/evp/p5_crpt2.c b/Cryptlib/OpenSSL/crypto/evp/p5_crpt2.c index 2e45aa3b..f2ae1e57 100644 --- a/Cryptlib/OpenSSL/crypto/evp/p5_crpt2.c +++ b/Cryptlib/OpenSSL/crypto/evp/p5_crpt2.c @@ -1,24 +1,74 @@ +/* p5_crpt2.c */ /* - * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 1999. + */ +/* ==================================================================== + * Copyright (c) 1999-2006 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). * - * 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 <stdlib.h> -#include "internal/cryptlib.h" +#include "cryptlib.h" +#if !defined(OPENSSL_NO_HMAC) && !defined(OPENSSL_NO_SHA) # include <openssl/x509.h> # include <openssl/evp.h> # include <openssl/hmac.h> # include "evp_locl.h" /* set this to print out info about the keygen algorithm */ -/* #define OPENSSL_DEBUG_PKCS5V2 */ +/* #define DEBUG_PKCS5V2 */ -# ifdef OPENSSL_DEBUG_PKCS5V2 +# ifdef DEBUG_PKCS5V2 static void h__dump(const unsigned char *p, int len); # endif @@ -36,28 +86,21 @@ int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, unsigned char digtmp[EVP_MAX_MD_SIZE], *p, itmp[4]; int cplen, j, k, tkeylen, mdlen; unsigned long i = 1; - HMAC_CTX *hctx_tpl = NULL, *hctx = NULL; + HMAC_CTX hctx_tpl, hctx; mdlen = EVP_MD_size(digest); if (mdlen < 0) return 0; - hctx_tpl = HMAC_CTX_new(); - if (hctx_tpl == NULL) - return 0; + HMAC_CTX_init(&hctx_tpl); p = out; tkeylen = keylen; if (!pass) passlen = 0; else if (passlen == -1) passlen = strlen(pass); - if (!HMAC_Init_ex(hctx_tpl, pass, passlen, digest, NULL)) { - HMAC_CTX_free(hctx_tpl); - return 0; - } - hctx = HMAC_CTX_new(); - if (hctx == NULL) { - HMAC_CTX_free(hctx_tpl); + if (!HMAC_Init_ex(&hctx_tpl, pass, passlen, digest, NULL)) { + HMAC_CTX_cleanup(&hctx_tpl); return 0; } while (tkeylen) { @@ -73,33 +116,31 @@ int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, itmp[1] = (unsigned char)((i >> 16) & 0xff); itmp[2] = (unsigned char)((i >> 8) & 0xff); itmp[3] = (unsigned char)(i & 0xff); - if (!HMAC_CTX_copy(hctx, hctx_tpl)) { - HMAC_CTX_free(hctx); - HMAC_CTX_free(hctx_tpl); + if (!HMAC_CTX_copy(&hctx, &hctx_tpl)) { + HMAC_CTX_cleanup(&hctx_tpl); return 0; } - if (!HMAC_Update(hctx, salt, saltlen) - || !HMAC_Update(hctx, itmp, 4) - || !HMAC_Final(hctx, digtmp, NULL)) { - HMAC_CTX_free(hctx); - HMAC_CTX_free(hctx_tpl); + if (!HMAC_Update(&hctx, salt, saltlen) + || !HMAC_Update(&hctx, itmp, 4) + || !HMAC_Final(&hctx, digtmp, NULL)) { + HMAC_CTX_cleanup(&hctx_tpl); + HMAC_CTX_cleanup(&hctx); return 0; } - HMAC_CTX_reset(hctx); + HMAC_CTX_cleanup(&hctx); memcpy(p, digtmp, cplen); for (j = 1; j < iter; j++) { - if (!HMAC_CTX_copy(hctx, hctx_tpl)) { - HMAC_CTX_free(hctx); - HMAC_CTX_free(hctx_tpl); + if (!HMAC_CTX_copy(&hctx, &hctx_tpl)) { + HMAC_CTX_cleanup(&hctx_tpl); return 0; } - if (!HMAC_Update(hctx, digtmp, mdlen) - || !HMAC_Final(hctx, digtmp, NULL)) { - HMAC_CTX_free(hctx); - HMAC_CTX_free(hctx_tpl); + if (!HMAC_Update(&hctx, digtmp, mdlen) + || !HMAC_Final(&hctx, digtmp, NULL)) { + HMAC_CTX_cleanup(&hctx_tpl); + HMAC_CTX_cleanup(&hctx); return 0; } - HMAC_CTX_reset(hctx); + HMAC_CTX_cleanup(&hctx); for (k = 0; k < cplen; k++) p[k] ^= digtmp[k]; } @@ -107,9 +148,8 @@ int PKCS5_PBKDF2_HMAC(const char *pass, int passlen, i++; p += cplen; } - HMAC_CTX_free(hctx); - HMAC_CTX_free(hctx_tpl); -# ifdef OPENSSL_DEBUG_PKCS5V2 + HMAC_CTX_cleanup(&hctx_tpl); +# ifdef DEBUG_PKCS5V2 fprintf(stderr, "Password:\n"); h__dump(pass, passlen); fprintf(stderr, "Salt:\n"); @@ -151,21 +191,29 @@ int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, ASN1_TYPE *param, const EVP_CIPHER *c, const EVP_MD *md, int en_de) { + const unsigned char *pbuf; + int plen; PBE2PARAM *pbe2 = NULL; const EVP_CIPHER *cipher; - EVP_PBE_KEYGEN *kdf; int rv = 0; - pbe2 = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBE2PARAM), param); - if (pbe2 == NULL) { + if (param == NULL || param->type != V_ASN1_SEQUENCE || + param->value.sequence == NULL) { + EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN, EVP_R_DECODE_ERROR); + goto err; + } + + pbuf = param->value.sequence->data; + plen = param->value.sequence->length; + if (!(pbe2 = d2i_PBE2PARAM(NULL, &pbuf, plen))) { EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN, EVP_R_DECODE_ERROR); goto err; } /* See if we recognise the key derivation function */ - if (!EVP_PBE_find(EVP_PBE_TYPE_KDF, OBJ_obj2nid(pbe2->keyfunc->algorithm), - NULL, NULL, &kdf)) { + + if (OBJ_obj2nid(pbe2->keyfunc->algorithm) != NID_id_pbkdf2) { EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN, EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION); goto err; @@ -189,7 +237,8 @@ int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, EVPerr(EVP_F_PKCS5_V2_PBE_KEYIVGEN, EVP_R_CIPHER_PARAMETER_ERROR); goto err; } - rv = kdf(ctx, pass, passlen, pbe2->keyfunc->parameter, NULL, NULL, en_de); + rv = PKCS5_v2_PBKDF2_keyivgen(ctx, pass, passlen, + pbe2->keyfunc->parameter, c, md, en_de); err: PBE2PARAM_free(pbe2); return rv; @@ -200,7 +249,8 @@ int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, const EVP_CIPHER *c, const EVP_MD *md, int en_de) { unsigned char *salt, key[EVP_MAX_KEY_LENGTH]; - int saltlen, iter; + const unsigned char *pbuf; + int saltlen, iter, plen; int rv = 0; unsigned int keylen = 0; int prf_nid, hmac_md_nid; @@ -216,9 +266,15 @@ int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, /* Decode parameter */ - kdf = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(PBKDF2PARAM), param); + if (!param || (param->type != V_ASN1_SEQUENCE)) { + EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_DECODE_ERROR); + goto err; + } + + pbuf = param->value.sequence->data; + plen = param->value.sequence->length; - if (kdf == NULL) { + if (!(kdf = d2i_PBKDF2PARAM(NULL, &pbuf, plen))) { EVPerr(EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN, EVP_R_DECODE_ERROR); goto err; } @@ -267,7 +323,7 @@ int PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, return rv; } -# ifdef OPENSSL_DEBUG_PKCS5V2 +# ifdef DEBUG_PKCS5V2 static void h__dump(const unsigned char *p, int len) { for (; len--; p++) @@ -275,3 +331,4 @@ static void h__dump(const unsigned char *p, int len) fprintf(stderr, "\n"); } # endif +#endif |