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authorMatthias Schiffer <mschiffer@universe-factory.net>2013-11-18 03:55:17 +0100
committerMatthias Schiffer <mschiffer@universe-factory.net>2013-11-18 03:55:17 +0100
commit33aa647d941ebdd805651e94a6141c34294d081a (patch)
treed6079f1f06a783ea8e9d8347dc697727a5c66fd0 /src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c
parent7476dc0e9ae620afa4a5a5fba90997a0af18fadc (diff)
downloadfastd-33aa647d941ebdd805651e94a6141c34294d081a.tar
fastd-33aa647d941ebdd805651e94a6141c34294d081a.zip
Remove OpenSSL-based blowfish implementation
It doesn't have any advantages over the builtin one.
Diffstat (limited to 'src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c')
-rw-r--r--src/crypto/cipher/blowfish_ctr/openssl/blowfish_ctr.c116
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,
-};