switching to BCAL based nessie testing

[avr-crypto-lib.git] / bcal / bcal-nessie.c

diff --git a/bcal/bcal-nessie.c b/bcal/bcal-nessie.c
new file mode 100644 (file)
index 0000000..9bc68b8
--- /dev/null
+++ b/bcal/bcal-nessie.c
@@ -0,0 +1,82 @@
+/* bcal-nessie.c */
+/*
+    This file is part of the AVR-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>
+#include <avr/pgmspace.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(pgm_read_byte(&(bcd->type))!=BCDESC_TYPE_BLOCKCIPHER)
+               return;
+       char name[1+strlen_P((void*)pgm_read_word(&(bcd->name)))];
+       strcpy_P(name, (void*)pgm_read_word(&(bcd->name)));
+       nessie_bc_init();
+
+       nessie_bc_ctx.blocksize_B = (pgm_read_word(&(bcd->blocksize_b))+7)/8;
+       nessie_bc_ctx.name        = name;
+       nessie_bc_ctx.ctx_size_B  = pgm_read_word(&(bcd->ctxsize_B));
+       nessie_bc_ctx.cipher_enc  = (nessie_bc_enc_fpt)pgm_read_word(&(bcd->enc));
+       nessie_bc_ctx.cipher_dec  = (nessie_bc_dec_fpt)pgm_read_word(&(bcd->dec));
+       nessie_bc_ctx.cipher_free = (nessie_bc_free_fpt)pgm_read_word(&(bcd->free));
+       if((pgm_read_byte(&(bcd->flags))&BC_INIT_TYPE)==BC_INIT_TYPE_2){
+               nessie_bc_ctx.cipher_genctx  = (nessie_bc_gen_fpt)pgm_read_word(&(bcd->init));
+       }else{
+               bcal_nessie_dummy_init_fpt = (void(*)(const void*,void*))pgm_read_word(&(bcd->init));
+               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(pgm_read_word(&(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 = (void*)pgm_read_word(bcd_list);
+               if(!bcd)
+                       return;
+               bcal_nessie(bcd);
+               bcd_list = (void*)((uint8_t*)bcd_list + 2);
+       }
+}
+