adding sha-224, going to test whole SHA2 this night ...
This commit is contained in:
parent
ba2a32a172
commit
9132c1117c
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/* hfal_sha224.c */
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/*
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This file is part of the ARM-Crypto-Lib.
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Copyright (C) 2011 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file hfal_sha224.c
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* \email daniel.otte@rub.de
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* \author Daniel Otte
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* \date 2011-10-11
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* \license GPLv3 or later
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*
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*/
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#include <stdlib.h>
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#include "hashfunction_descriptor.h"
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#include "sha224.h"
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static const char sha224_str[] = "SHA-224";
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const hfdesc_t sha224_desc = {
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HFDESC_TYPE_HASHFUNCTION,
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0,
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sha224_str,
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sizeof(sha224_ctx_t),
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512,
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224,
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(hf_init_fpt)sha224_init,
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(hf_nextBlock_fpt)sha224_nextBlock,
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(hf_lastBlock_fpt)sha224_lastBlock,
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(hf_ctx2hash_fpt)sha224_ctx2hash,
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(hf_free_fpt)NULL,
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(hf_mem_fpt)sha224
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};
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@ -0,0 +1,36 @@
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/* hfal_sha224.h */
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/*
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This file is part of the ARM-Crypto-Lib.
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Copyright (C) 2011 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file hfal_sha224.h
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* \email daniel.otte@rub.de
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* \author Daniel Otte
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* \date 2011-10-11
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* \license GPLv3 or later
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*
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*/
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#ifndef HFAL_SHA224_H_
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#define HFAL_SHA224_H_
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#include "hashfunction_descriptor.h"
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extern const hfdesc_t sha224_desc;
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#endif /* HFAL_SHA224_H_ */
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@ -6,8 +6,10 @@ HASHES += $(ALGO_NAME)
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$(ALGO_NAME)_DIR := sha2/
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$(ALGO_NAME)_DIR := sha2/
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$(ALGO_NAME)_INCDIR := hfal/
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$(ALGO_NAME)_INCDIR := hfal/
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$(ALGO_NAME)_OBJ := sha512.o sha384.o sha2_large_common.o
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$(ALGO_NAME)_OBJ := sha224.o sha256.o sha384.o sha512.o \
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$(ALGO_NAME)_TESTBIN := main-sha2-test.o $(CLI_STD) $(HFAL_STD) hfal_sha512.o hfal_sha384.o
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sha2_small_common.o sha2_large_common.o
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$(ALGO_NAME)_TESTBIN := main-sha2-test.o $(CLI_STD) $(HFAL_STD) \
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hfal_sha224.o hfal_sha256.o hfal_sha512.o hfal_sha384.o
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$(ALGO_NAME)_NESSIE_TEST := "nessie"
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$(ALGO_NAME)_NESSIE_TEST := "nessie"
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$(ALGO_NAME)_PERFORMANCE_TEST := "performance"
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$(ALGO_NAME)_PERFORMANCE_TEST := "performance"
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/* sha224.c */
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/*
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This file is part of the ARM-Crypto-Lib.
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Copyright (C) 2006-2010 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file sha224.c
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* \author Daniel Otte
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* \date 16.05.2006
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*
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* \par License:
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* GPL
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*
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* \brief SHA-224 implementation.
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*
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*
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*/
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#include <stdint.h>
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#include <string.h> /* for memcpy, memmove, memset */
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#include "sha2_small_common.h"
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#include "sha224.h"
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#define LITTLE_ENDIAN
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#if defined LITTLE_ENDIAN
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#elif defined BIG_ENDIAN
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#else
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#error specify endianess!!!
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#endif
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/*************************************************************************/
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const
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uint32_t sha224_init_vector[]={
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0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
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0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4
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};
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/*************************************************************************/
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/**
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* \brief \c sh224_init initialises a sha224 context for hashing.
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* \c sh224_init c initialises the given sha224 context for hashing
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* @param state pointer to a sha224 context
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* @return none
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*/
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void sha224_init(sha224_ctx_t *state){
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state->length=0;
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memcpy(state->h, sha224_init_vector, 8*4);
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}
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/*************************************************************************/
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void sha224_nextBlock (sha224_ctx_t *state, const void* block){
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sha2_small_common_nextBlock(state, block);
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}
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/*************************************************************************/
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void sha224_lastBlock (sha224_ctx_t *state, const void* block, uint16_t length_b){
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sha2_small_common_lastBlock(state, block, length_b);
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}
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/*************************************************************************/
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/**
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* \brief function to process the last block being hashed
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* @param state Pointer to the context in which this block should be processed.
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* @param block Pointer to the message wich should be hashed.
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* @param length is the length of only THIS block in BITS not in bytes!
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* bits are big endian, meaning high bits come first.
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* if you have a message with bits at the end, the byte must be padded with zeros
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*/
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/*************************************************************************/
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/*
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* length in bits!
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*/
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void sha224(void* dest, const void* msg, uint32_t length_b){ /* length could be choosen longer but this is for µC */
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sha224_ctx_t s;
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sha224_init(&s);
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while(length_b >= SHA224_BLOCK_BITS){
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sha224_nextBlock(&s, msg);
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msg = (uint8_t*)msg + SHA224_BLOCK_BITS/8;
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length_b -= SHA224_BLOCK_BITS;
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}
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sha224_lastBlock(&s, msg, length_b);
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sha224_ctx2hash(dest,&s);
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}
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/*************************************************************************/
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void sha224_ctx2hash(void* dest, const sha224_ctx_t *state){
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#if defined LITTLE_ENDIAN
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uint8_t i, j, *s=(uint8_t*)(state->h);
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i=7;
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do{
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j=3;
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do{
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*((uint8_t*)dest) = s[j];
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dest = (uint8_t*)dest + 1;
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}while(j--);
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s += 4;
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}while(--i);
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#elif BIG_ENDIAN
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memcpy(dest, state->h, 28);
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#else
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# error unsupported endian type!
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#endif
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}
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@ -0,0 +1,108 @@
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/* sha224.h */
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/*
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This file is part of the ARM-Crypto-Lib.
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Copyright (C) 2011 Daniel Otte (daniel.otte@rub.de)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file sha224.h
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* \author Daniel Otte
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* \date 2011-10-11
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* \license GPLv3 or later
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*
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*/
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#ifndef SHA224_H_
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#define SHA224_H_
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#include <stdint.h>
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#include "sha2_small_common.h"
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/** \def SHA224_HASH_BITS
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* defines the size of a SHA-224 hash value in bits
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*/
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/** \def SHA224_HASH_BYTES
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* defines the size of a SHA-224 hash value in bytes
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*/
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/** \def SHA224_BLOCK_BITS
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* defines the size of a SHA-224 input block in bits
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*/
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/** \def SHA224_BLOCK_BYTES
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* defines the size of a SHA-224 input block in bytes
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*/
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#define SHA224_HASH_BITS 224
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#define SHA224_HASH_BYTES (SHA224_HASH_BITS/8)
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#define SHA224_BLOCK_BITS 512
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#define SHA224_BLOCK_BYTES (SHA224_BLOCK_BITS/8)
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/** \typedef sha224_ctx_t
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* \brief SHA-224 context type
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*
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* A variable of this type may hold the state of a SHA-224 hashing process
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*/
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typedef sha2_small_common_ctx_t sha224_ctx_t;
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/** \fn void sha224_init(sha224_ctx_t *state)
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* \brief initialize a SHA-224 context
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*
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* This function sets a ::sha224_ctx_t to the initial values for hashing.
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* \param state pointer to the SHA-224 hashing context
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*/
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void sha224_init(sha224_ctx_t *state);
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/** \fn void sha224_nextBlock (sha224_ctx_t* state, const void* block)
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* \brief update the context with a given block
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*
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* This function updates the SHA-224 hash context by processing the given block
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* of fixed length.
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* \param state pointer to the SHA-224 hash context
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* \param block pointer to the block of fixed length (512 bit = 64 byte)
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*/
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void sha224_nextBlock (sha224_ctx_t* state, const void* block);
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/** \fn void sha224_lastBlock(sha224_ctx_t* state, const void* block, uint16_t length_b)
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* \brief finalize the context with the given block
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*
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* This function finalizes the SHA-224 hash context by processing the given block
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* of variable length.
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* \param state pointer to the SHA-224 hash context
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* \param block pointer to the block of fixed length (512 bit = 64 byte)
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* \param length_b the length of the block in bits
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*/
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void sha224_lastBlock(sha224_ctx_t* state, const void* block, uint16_t length_b);
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/** \fn void sha224_ctx2hash(sha224_hash_t* dest, const sha224_ctx_t* state)
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* \brief convert the hash state into the hash value
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* This function reads the context and writes the hash value to the destination
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* \param dest pointer to the location where the hash value should be written
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* \param state pointer to the SHA-224 hash context
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*/
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void sha224_ctx2hash(void* dest, const sha224_ctx_t* state);
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/** \fn void sha224(sha224_hash_t* dest, const void* msg, uint32_t length_b)
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* \brief simple SHA-224 hashing function for direct hashing
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*
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* This function automatically hashes a given message of arbitary length with
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* the SHA-224 hashing algorithm.
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* \param dest pointer to the location where the hash value is going to be written to
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* \param msg pointer to the message thats going to be hashed
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* \param length_b length of the message in bits
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*/
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void sha224(void* dest, const void* msg, uint32_t length_b);
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#endif /*SHA224_H_*/
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