From 398f78c1ffabd48914f2a4aca5dc1d43396dbbab Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Thu, 28 Aug 2014 15:42:56 +0200 Subject: Revert "Experimental HMAC-SHA1 implementation" We don't really want to support it, and it's slower than GHASH... This reverts commit 9bf498263765328011ee105e5e7b3e1cc1b2bc3f. --- src/crypto/mac/hmac_sha1/openssl/CMakeLists.txt | 6 -- .../mac/hmac_sha1/openssl/hmac_sha1_openssl.c | 97 ---------------------- 2 files changed, 103 deletions(-) delete mode 100644 src/crypto/mac/hmac_sha1/openssl/CMakeLists.txt delete mode 100644 src/crypto/mac/hmac_sha1/openssl/hmac_sha1_openssl.c (limited to 'src/crypto/mac/hmac_sha1/openssl') diff --git a/src/crypto/mac/hmac_sha1/openssl/CMakeLists.txt b/src/crypto/mac/hmac_sha1/openssl/CMakeLists.txt deleted file mode 100644 index cb08c58..0000000 --- a/src/crypto/mac/hmac_sha1/openssl/CMakeLists.txt +++ /dev/null @@ -1,6 +0,0 @@ -if(ENABLE_OPENSSL) - fastd_mac_impl(hmac-sha1 openssl - hmac_sha1_openssl.c - ) - fastd_cipher_impl_include_directories(hmac-sha1 openssl ${OPENSSL_INCLUDE_DIRS}) -endif(ENABLE_OPENSSL) diff --git a/src/crypto/mac/hmac_sha1/openssl/hmac_sha1_openssl.c b/src/crypto/mac/hmac_sha1/openssl/hmac_sha1_openssl.c deleted file mode 100644 index 2e0c097..0000000 --- a/src/crypto/mac/hmac_sha1/openssl/hmac_sha1_openssl.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - Copyright (c) 2012-2014, Matthias Schiffer - 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. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - AND ANY EXPRESS 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 COPYRIGHT HOLDER OR 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. -*/ - -/** - \file - - Portable, table-based HMAC-SHA1 implementation -*/ - - -#include "../../../../alloc.h" -#include "../../../../crypto.h" - -#include - - -/** The MAC state containing the OpenSSL digest context */ -struct fastd_mac_state { - EVP_PKEY *pkey; /**< The OpenSSL private key */ - EVP_MD_CTX *digest; /**< The OpenSSL digest context */ -}; - - -/** Initializes the MAC state with the unpacked key data */ -static fastd_mac_state_t * hmac_sha1_init(const uint8_t *key) { - fastd_mac_state_t *state = fastd_new(fastd_mac_state_t); - - state->digest = EVP_MD_CTX_create(); - if (!state->digest) - exit_error("EVP_MD_CTX_create"); - - state->pkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, key, 64); - if (!state->pkey) - exit_error("EVP_PKEY_new_mac_key"); - - return state; -} - -/** Calculates the HMAC-SHA1 of the supplied blocks */ -static bool hmac_sha1_digest(const fastd_mac_state_t *state, fastd_block128_t *out, const fastd_block128_t *in, size_t length) { - if (!EVP_DigestSignInit(state->digest, NULL, EVP_sha1(), NULL, state->pkey)) - return false; - - if (!EVP_DigestSignUpdate(state->digest, (const unsigned char *)in, length)) - return false; - - unsigned char digest[EVP_MAX_MD_SIZE]; - size_t digestlen = 0; - - if (!EVP_DigestSignFinal(state->digest, digest, &digestlen)) - return false; - - if (digestlen != 20) - exit_bug("EVP_DigestSignFinal: invalid HMAC-SHA1 length"); - - memcpy(out, digest, sizeof(fastd_block128_t)); - - return true; -} - -/** Frees the MAC state */ -static void hmac_sha1_free(fastd_mac_state_t *state) { - if (state) { - EVP_MD_CTX_destroy(state->digest); - EVP_PKEY_free(state->pkey); - free(state); - } -} - -/** The OpenSSL-based HMAC-SHA1 implementation */ -const fastd_mac_t fastd_mac_hmac_sha1_openssl = { - .init = hmac_sha1_init, - .digest = hmac_sha1_digest, - .free = hmac_sha1_free, -}; -- cgit v1.2.3