clean up

[avr-crypto-lib.git] / shabea / sha256.h

diff --git a/shabea/sha256.h b/shabea/sha256.h
deleted file mode 100644 (file)
index 24960a3..0000000
--- a/shabea/sha256.h
+++ /dev/null
@@ -1,122 +0,0 @@
-/* sha256.h */
-/*
-    This file is part of the AVR-Crypto-Lib.
-    Copyright (C) 2008  Daniel Otte (daniel.otte@rub.de)
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-/**
- * \file       sha256.h
- * \author  Daniel Otte 
- * \date    2006-05-16
- * \license    GPLv3 or later
- * 
- */
-
-#ifndef SHA256_H_
-#define SHA256_H_
-
-#define __LITTLE_ENDIAN__
-
-
-#include <stdint.h>
-
-/** \def SHA256_HASH_BITS
- * defines the size of a SHA-256 hash value in bits
- */
-
-/** \def SHA256_HASH_BYTES
- * defines the size of a SHA-256 hash value in bytes
- */
-
-/** \def SHA256_BLOCK_BITS
- * defines the size of a SHA-256 input block in bits
- */
-
-/** \def SHA256_BLOCK_BYTES
- * defines the size of a SHA-256 input block in bytes
- */
-
-#define SHA256_HASH_BITS  256
-#define SHA256_HASH_BYTES (SHA256_HASH_BITS/8)
-#define SHA256_BLOCK_BITS 512
-#define SHA256_BLOCK_BYTES (SHA256_BLOCK_BITS/8)
-
-/** \typedef sha256_ctx_t
- * \brief SHA-256 context type
- * 
- * A variable of this type may hold the state of a SHA-256 hashing process
- */
-typedef struct {
-       uint32_t h[8];
-       uint64_t length;
-} sha256_ctx_t;
-
-/** \typedef sha256_hash_t
- * \brief SHA-256 hash value type
- * 
- * A variable of this type may hold the hash value produced by the
- * sha256_ctx2hash(sha256_hash_t* dest, const sha256_ctx_t* state) function.
- */
-typedef uint8_t sha256_hash_t[SHA256_HASH_BYTES];
-
-/** \fn void sha256_init(sha256_ctx_t *state)
- * \brief initialise a SHA-256 context
- * 
- * This function sets a ::sha256_ctx_t to the initial values for hashing.
- * \param state pointer to the SHA-256 hashing context
- */
-void sha256_init(sha256_ctx_t *state);
-
-/** \fn void sha256_nextBlock (sha256_ctx_t* state, const void* block)
- * \brief update the context with a given block
- * 
- * This function updates the SHA-256 hash context by processing the given block
- * of fixed length.
- * \param state pointer to the SHA-256 hash context
- * \param block pointer to the block of fixed length (512 bit = 64 byte)
- */
-void sha256_nextBlock (sha256_ctx_t* state, const void* block);
-
-/** \fn void sha256_lastBlock(sha256_ctx_t* state, const void* block, uint16_t length_b)
- * \brief finalize the context with the given block 
- * 
- * This function finalizes the SHA-256 hash context by processing the given block
- * of variable length.
- * \param state pointer to the SHA-256 hash context
- * \param block pointer to the block of fixed length (512 bit = 64 byte)
- * \param length_b the length of the block in bits
- */
-void sha256_lastBlock(sha256_ctx_t* state, const void* block, uint16_t length_b);
-
-/** \fn void sha256_ctx2hash(sha256_hash_t* dest, const sha256_ctx_t* state)
- * \brief convert the hash state into the hash value
- * This function reads the context and writes the hash value to the destination
- * \param dest pointer to the location where the hash value should be written
- * \param state pointer to the SHA-256 hash context
- */
-void sha256_ctx2hash(sha256_hash_t* dest, const sha256_ctx_t* state);
-
-/** \fn void sha256(sha256_hash_t* dest, const void* msg, uint32_t length_b)
- * \brief simple SHA-256 hashing function for direct hashing
- * 
- * This function automaticaly hashes a given message of arbitary length with
- * the SHA-256 hashing algorithm.
- * \param dest pointer to the location where the hash value is going to be written to
- * \param msg pointer to the message thats going to be hashed
- * \param length_b length of the message in bits
- */
-void sha256(sha256_hash_t* dest, const void* msg, uint32_t length_b);
-
-#endif /*SHA256_H_*/