arm-crypto-lib/bcal/bcal-nessie.c

79 lines
2.3 KiB
C

/* bcal-nessie.c */
/*
This file is part of the ARM-Crypto-Lib.
Copyright (C) 2010 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/>.
*/
#include "nessie_bc_test.h"
#include "blockcipher_descriptor.h"
#include "keysize_descriptor.h"
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
void(*bcal_nessie_dummy_init_fpt)(const void* key, void* ctx)=NULL;
void bcal_nessie_dummy_init(const void* key, uint16_t keysize, void* ctx){
if(bcal_nessie_dummy_init_fpt){
bcal_nessie_dummy_init_fpt(key, ctx);
}else{
memcpy(ctx, key, (keysize+7)/8);
}
}
void bcal_nessie(const bcdesc_t* bcd){
if(bcd->type!=BCDESC_TYPE_BLOCKCIPHER)
return;
nessie_bc_init();
nessie_bc_ctx.blocksize_B = (bcd->blocksize_b+7)/8;
nessie_bc_ctx.name = bcd->name;
nessie_bc_ctx.ctx_size_B = bcd->ctxsize_B;
nessie_bc_ctx.cipher_enc = (nessie_bc_enc_fpt)(bcd->enc.encvoid);
nessie_bc_ctx.cipher_dec = (nessie_bc_dec_fpt)(bcd->dec.decvoid);
nessie_bc_ctx.cipher_free = (nessie_bc_free_fpt)(bcd->free);
if(((bcd->flags)&BC_INIT_TYPE)==BC_INIT_TYPE_2){
nessie_bc_ctx.cipher_genctx = (nessie_bc_gen_fpt)(bcd->init.initvoid);
}else{
bcal_nessie_dummy_init_fpt = (void(*)(const void*,void*))(bcd->init.initvoid);
nessie_bc_ctx.cipher_genctx = (nessie_bc_gen_fpt)bcal_nessie_dummy_init;
}
uint16_t *keysize_list=NULL;
uint16_t items,i;
items = get_keysizes(bcd->valid_keysize_desc, &keysize_list);
if(items){
for(i=0; i<items; ++i){
nessie_bc_ctx.keysize_b = keysize_list[i];
nessie_bc_run();
}
free(keysize_list);
}
}
void bcal_nessie_multiple(const bcdesc_t** bcd_list){
const bcdesc_t* bcd;
for(;;){
bcd = *bcd_list++;
if(!bcd)
return;
bcal_nessie(bcd);
}
}