diff options
Diffstat (limited to 'src/crypto/cipher/null/memcpy/null_memcpy.c')
-rw-r--r-- | src/crypto/cipher/null/memcpy/null_memcpy.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/crypto/cipher/null/memcpy/null_memcpy.c b/src/crypto/cipher/null/memcpy/null_memcpy.c new file mode 100644 index 0000000..e3b86ca --- /dev/null +++ b/src/crypto/cipher/null/memcpy/null_memcpy.c @@ -0,0 +1,71 @@ +/* + 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" + + +static fastd_cipher_context_t* null_initialize(fastd_context_t *ctx UNUSED) { + return NULL; +} + +static size_t null_key_length(fastd_context_t *ctx UNUSED, const fastd_cipher_context_t *cctx UNUSED) { + return 0; +} + + +static fastd_cipher_state_t* null_init_state(fastd_context_t *ctx UNUSED, const fastd_cipher_context_t *cctx UNUSED, const uint8_t *key UNUSED) { + return NULL; +} + +static size_t null_iv_length(fastd_context_t *ctx UNUSED, const fastd_cipher_state_t *state UNUSED) { + return 0; +} + +static bool null_memcpy(fastd_context_t *ctx UNUSED, const fastd_cipher_state_t *state UNUSED, fastd_block128_t *out, const fastd_block128_t *in, size_t len, const uint8_t *iv UNUSED) { + memcpy(out, in, len); + return true; +} + +static void null_free_state(fastd_context_t *ctx UNUSED, fastd_cipher_state_t *state UNUSED) { +} + +static void null_free(fastd_context_t *ctx UNUSED, fastd_cipher_context_t *cctx UNUSED) { +} + +const fastd_cipher_t fastd_cipher_null_memcpy = { + .name = "memcpy", + + .initialize = null_initialize, + + .key_length = null_key_length, + .init_state = null_init_state, + + .iv_length = null_iv_length, + .crypt = null_memcpy, + + .free_state = null_free_state, + .free = null_free, +}; |