From 60c2c11de820687887a643344fc1b0a91fd45226 Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Mon, 25 Nov 2013 21:30:36 +0100 Subject: Move cipher and mac structures to a new header --- src/crypto.h | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 src/crypto.h (limited to 'src/crypto.h') diff --git a/src/crypto.h b/src/crypto.h new file mode 100644 index 0000000..e7d011b --- /dev/null +++ b/src/crypto.h @@ -0,0 +1,60 @@ +/* + Copyright (c) 2012-2013, 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. +*/ + + +#ifndef _FASTD_CRYPTO_H_ +#define _FASTD_CRYPTO_H_ + +#include "fastd.h" + + +struct fastd_cipher { + const char *name; + size_t key_length; + size_t iv_length; + + fastd_cipher_context_t* (*initialize)(fastd_context_t *ctx); + fastd_cipher_state_t* (*init_state)(fastd_context_t *ctx, const fastd_cipher_context_t *cctx, const uint8_t *key); + + bool (*crypt)(fastd_context_t *ctx, const fastd_cipher_state_t *state, fastd_block128_t *out, const fastd_block128_t *in, size_t len, const uint8_t *iv); + + void (*free_state)(fastd_context_t *ctx, fastd_cipher_state_t *state); + void (*free)(fastd_context_t *ctx, fastd_cipher_context_t *cctx); +}; + +struct fastd_mac { + const char *name; + size_t key_length; + + fastd_mac_context_t* (*initialize)(fastd_context_t *ctx); + fastd_mac_state_t* (*init_state)(fastd_context_t *ctx, const fastd_mac_context_t *mctx, const uint8_t *key); + + bool (*hash)(fastd_context_t *ctx, const fastd_mac_state_t *state, fastd_block128_t *out, const fastd_block128_t *in, size_t n_blocks); + + void (*free_state)(fastd_context_t *ctx, fastd_mac_state_t *state); + void (*free)(fastd_context_t *ctx, fastd_mac_context_t *mctx); +}; + +#endif /* _FASTD_CRYPTO_H_ */ -- cgit v1.2.3