X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;f=lib%2Fopenssl%2Fcrypto%2Fcmac%2Fcm_pmeth.c;fp=lib%2Fopenssl%2Fcrypto%2Fcmac%2Fcm_pmeth.c;h=10748f148859f10408a0c5112a0707a484713660;hb=02ed66432c92de70694700164f986190aad3cbc5;hp=072228ec7fa4d4e66d016e77c1f17da3efcb6d1f;hpb=89016837dcbf2775cd15dc8cbaba00dc6379f86e;p=cassiopeia.git diff --git a/lib/openssl/crypto/cmac/cm_pmeth.c b/lib/openssl/crypto/cmac/cm_pmeth.c index 072228e..10748f1 100644 --- a/lib/openssl/crypto/cmac/cm_pmeth.c +++ b/lib/openssl/crypto/cmac/cm_pmeth.c @@ -1,224 +1,161 @@ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 2010. - */ -/* ==================================================================== - * Copyright (c) 2010 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/)" +/* + * Copyright 2010-2016 The OpenSSL Project Authors. All Rights Reserved. * - * 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. - * ==================================================================== + * 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 #include -#include "evp_locl.h" +#include "internal/evp_int.h" /* The context structure and "key" is simply a CMAC_CTX */ static int pkey_cmac_init(EVP_PKEY_CTX *ctx) - { - ctx->data = CMAC_CTX_new(); - if (!ctx->data) - return 0; - ctx->keygen_info_count = 0; - return 1; - } +{ + ctx->data = CMAC_CTX_new(); + if (ctx->data == NULL) + return 0; + ctx->keygen_info_count = 0; + return 1; +} static int pkey_cmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) - { - if (!pkey_cmac_init(dst)) - return 0; - if (!CMAC_CTX_copy(dst->data, src->data)) - return 0; - return 1; - } +{ + if (!pkey_cmac_init(dst)) + return 0; + if (!CMAC_CTX_copy(dst->data, src->data)) + return 0; + return 1; +} static void pkey_cmac_cleanup(EVP_PKEY_CTX *ctx) - { - CMAC_CTX_free(ctx->data); - } +{ + CMAC_CTX_free(ctx->data); +} static int pkey_cmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) - { - CMAC_CTX *cmkey = CMAC_CTX_new(); - CMAC_CTX *cmctx = ctx->data; - if (!cmkey) - return 0; - if (!CMAC_CTX_copy(cmkey, cmctx)) - { - CMAC_CTX_free(cmkey); - return 0; - } - EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey); - - return 1; - } - -static int int_update(EVP_MD_CTX *ctx,const void *data,size_t count) - { - if (!CMAC_Update(ctx->pctx->data, data, count)) - return 0; - return 1; - } +{ + CMAC_CTX *cmkey = CMAC_CTX_new(); + CMAC_CTX *cmctx = ctx->data; + if (cmkey == NULL) + return 0; + if (!CMAC_CTX_copy(cmkey, cmctx)) { + CMAC_CTX_free(cmkey); + return 0; + } + EVP_PKEY_assign(pkey, EVP_PKEY_CMAC, cmkey); + + return 1; +} + +static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count) +{ + if (!CMAC_Update(EVP_MD_CTX_pkey_ctx(ctx)->data, data, count)) + return 0; + return 1; +} static int cmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx) - { - EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT); - mctx->update = int_update; - return 1; - } +{ + EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT); + EVP_MD_CTX_set_update_fn(mctx, int_update); + return 1; +} static int cmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - EVP_MD_CTX *mctx) - { - return CMAC_Final(ctx->data, sig, siglen); - } + EVP_MD_CTX *mctx) +{ + return CMAC_Final(ctx->data, sig, siglen); +} static int pkey_cmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) - { - CMAC_CTX *cmctx = ctx->data; - switch (type) - { - - case EVP_PKEY_CTRL_SET_MAC_KEY: - if (!p2 || p1 < 0) - return 0; - if (!CMAC_Init(cmctx, p2, p1, NULL, NULL)) - return 0; - break; - - case EVP_PKEY_CTRL_CIPHER: - if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine)) - return 0; - break; - - case EVP_PKEY_CTRL_MD: - if (ctx->pkey && !CMAC_CTX_copy(ctx->data, - (CMAC_CTX *)ctx->pkey->pkey.ptr)) - return 0; - if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL)) - return 0; - break; - - default: - return -2; - - } - return 1; - } +{ + CMAC_CTX *cmctx = ctx->data; + switch (type) { + + case EVP_PKEY_CTRL_SET_MAC_KEY: + if (!p2 || p1 < 0) + return 0; + if (!CMAC_Init(cmctx, p2, p1, NULL, NULL)) + return 0; + break; + + case EVP_PKEY_CTRL_CIPHER: + if (!CMAC_Init(cmctx, NULL, 0, p2, ctx->engine)) + return 0; + break; + + case EVP_PKEY_CTRL_MD: + if (ctx->pkey && !CMAC_CTX_copy(ctx->data, + (CMAC_CTX *)ctx->pkey->pkey.ptr)) + return 0; + if (!CMAC_Init(cmctx, NULL, 0, NULL, NULL)) + return 0; + break; + + default: + return -2; + + } + return 1; +} static int pkey_cmac_ctrl_str(EVP_PKEY_CTX *ctx, - const char *type, const char *value) - { - if (!value) - { - return 0; - } - if (!strcmp(type, "key")) - { - void *p = (void *)value; - return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, - strlen(p), p); - } - if (!strcmp(type, "cipher")) - { - const EVP_CIPHER *c; - c = EVP_get_cipherbyname(value); - if (!c) - return 0; - return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c); - } - if (!strcmp(type, "hexkey")) - { - unsigned char *key; - int r; - long keylen; - key = string_to_hex(value, &keylen); - if (!key) - return 0; - r = pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key); - OPENSSL_free(key); - return r; - } - return -2; - } - -const EVP_PKEY_METHOD cmac_pkey_meth = - { - EVP_PKEY_CMAC, - EVP_PKEY_FLAG_SIGCTX_CUSTOM, - pkey_cmac_init, - pkey_cmac_copy, - pkey_cmac_cleanup, - - 0, 0, - - 0, - pkey_cmac_keygen, - - 0, 0, - - 0, 0, - - 0,0, - - cmac_signctx_init, - cmac_signctx, - - 0,0, - - 0,0, - - 0,0, - - 0,0, - - pkey_cmac_ctrl, - pkey_cmac_ctrl_str - - }; + const char *type, const char *value) +{ + if (!value) { + return 0; + } + if (strcmp(type, "cipher") == 0) { + const EVP_CIPHER *c; + c = EVP_get_cipherbyname(value); + if (!c) + return 0; + return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c); + } + if (strcmp(type, "key") == 0) + return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value); + if (strcmp(type, "hexkey") == 0) + return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value); + return -2; +} + +const EVP_PKEY_METHOD cmac_pkey_meth = { + EVP_PKEY_CMAC, + EVP_PKEY_FLAG_SIGCTX_CUSTOM, + pkey_cmac_init, + pkey_cmac_copy, + pkey_cmac_cleanup, + + 0, 0, + + 0, + pkey_cmac_keygen, + + 0, 0, + + 0, 0, + + 0, 0, + + cmac_signctx_init, + cmac_signctx, + + 0, 0, + + 0, 0, + + 0, 0, + + 0, 0, + + pkey_cmac_ctrl, + pkey_cmac_ctrl_str +};