Remove OpenSSL-based blowfish implementation

It doesn't have any advantages over the builtin one.

1 files changed, 0 insertions, 116 deletions

diff --git a/src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c b/src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c
deleted file mode 100644
index 67dec0d..0000000
--- a/src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
-  Copyright (c) 2012-2013, Matthias Schiffer <mschiffer@universe-factory.net>
-  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.
-*/
-
-
-#include "../../../../fastd.h"
-
-#include <openssl/blowfish.h>
-
-
-struct fastd_cipher_state {
-	BF_KEY key;
-};
-
-
-static fastd_cipher_context_t* blowfish_ctr_initialize(fastd_context_t *ctx UNUSED) {
-	return NULL;
-}
-
-static size_t blowfish_ctr_key_length(fastd_context_t *ctx UNUSED, const fastd_cipher_context_t *cctx UNUSED) {
-	return 56;
-}
-
-static inline void bf_ntohl(uint32_t *v, size_t len) {
-	size_t i;
-	for (i = 0; i < len; i++)
-		v[i] = ntohl(v[i]);
-}
-
-static inline void bf_htonl(uint32_t *v, size_t len) {
-	size_t i;
-	for (i = 0; i < len; i++)
-		v[i] = htonl(v[i]);
-}
-static fastd_cipher_state_t* blowfish_ctr_init_state(fastd_context_t *ctx UNUSED, const fastd_cipher_context_t *cctx UNUSED, const uint8_t *key) {
-	fastd_cipher_state_t *state = malloc(sizeof(fastd_cipher_state_t));
-	BF_set_key(&state->key, 56, (const unsigned char*)key);
-
-	return state;
-}
-
-static size_t blowfish_ctr_iv_length(fastd_context_t *ctx UNUSED, const fastd_cipher_state_t *state UNUSED) {
-	return 8;
-}
-
-static bool blowfish_ctr_crypt(fastd_context_t *ctx UNUSED, const fastd_cipher_state_t *state, fastd_block128_t *out, const fastd_block128_t *in, size_t len, const uint8_t *iv) {
-	uint32_t ctr[2];
-
-	fastd_block128_t block;
-	uint32_t* block4 = (uint32_t*)&block;
-
-	memcpy(ctr, iv, sizeof(ctr));
-	bf_ntohl(ctr, 2);
-
-	size_t i;
-	for(i = 0; i < len; i += 16) {
-		memcpy(block4, ctr, sizeof(ctr));
-		BF_encrypt((BF_LONG*)block4, &state->key);
-		ctr[1]++;
-
-		memcpy(block4+2, ctr, sizeof(ctr));
-		BF_encrypt((BF_LONG*)block4+2, &state->key);
-		ctr[1]++;
-
-		bf_htonl(block4, 4);
-		xor(out++, in++, &block);
-	}
-
-	return true;
-}
-
-static void blowfish_ctr_free_state(fastd_context_t *ctx UNUSED, fastd_cipher_state_t *state) {
-	if (state) {
-		secure_memzero(state, sizeof(*state));
-		free(state);
-	}
-}
-
-static void blowfish_ctr_free(fastd_context_t *ctx UNUSED, fastd_cipher_context_t *cctx UNUSED) {
-}
-
-const fastd_cipher_t fastd_cipher_blowfish_ctr_openssl = {
-	.name = "openssl",
-
-	.initialize = blowfish_ctr_initialize,
-
-	.key_length = blowfish_ctr_key_length,
-	.init_state = blowfish_ctr_init_state,
-
-	.iv_length = blowfish_ctr_iv_length,
-	.crypt = blowfish_ctr_crypt,
-
-	.free_state = blowfish_ctr_free_state,
-	.free = blowfish_ctr_free,
-};