fixing bug in skein (asm); + new tools for hfal

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

diff --git a/hfal-nessie.c b/hfal-nessie.c
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+++ b/hfal-nessie.c
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+/* hfal-nessie.c */
+/*
+    This file is part of the AVR-Crypto-Lib.
+    Copyright (C) 2009  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    hfal-nessie.c
+ * \author  Daniel Otte
+ * \email   daniel.otte@rub.de
+ * \date    2009-05-10
+ * \license GPLv3 or later
+ * 
+ */
+
+#include "nessie_hash_test.h"
+#include "hashfunction_descriptor.h"
+#include <stdint.h>
+#include <avr/pgmspace.h>
+
+void hfal_nessie(const hfdesc_t* hd){
+       if(pgm_read_byte(&(hd->type))!=HFDESC_TYPE_HASHFUNCTION)
+               return;
+       char name[1+strlen_P((void*)pgm_read_word(&(hd->name)))];
+       strcpy_P(name, (void*)pgm_read_word(&(hd->name)));
+       
+       nessie_hash_ctx.hashsize_b  = pgm_read_word(&(hd->hashsize_b));
+       nessie_hash_ctx.name = name;
+       nessie_hash_ctx.blocksize_B = pgm_read_word(&(hd->blocksize_b))/8;
+       nessie_hash_ctx.ctx_size_B  = pgm_read_word(&(hd->ctxsize_B));
+       nessie_hash_ctx.hash_init = (nessie_hash_init_fpt)pgm_read_word(&(hd->init));
+       nessie_hash_ctx.hash_next = (nessie_hash_next_fpt)pgm_read_word(&(hd->nextBlock));
+       nessie_hash_ctx.hash_last = (nessie_hash_last_fpt)pgm_read_word(&(hd->lastBlock));
+       nessie_hash_ctx.hash_conv = (nessie_hash_conv_fpt)pgm_read_word(&(hd->ctx2hash));
+       
+       nessie_hash_run();
+}
+
+void hfal_nessie_multiple(const hfdesc_t** hd_list){
+       const hfdesc_t* hd;
+       for(;;){
+               hd = (void*)pgm_read_word(hd_list);
+               if(!hd)
+                       return;
+               hfal_nessie(hd);
+               hd_list = (void*)((uint8_t*)hd_list + 2);
+       }
+}
+