]> git.cryptolib.org Git - arm-crypto-lib.git/blobdiff - bcal/keysize_descriptor.c
Adding Khazad
[arm-crypto-lib.git] / bcal / keysize_descriptor.c
diff --git a/bcal/keysize_descriptor.c b/bcal/keysize_descriptor.c
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@@ -1,87 +0,0 @@
-/* keysize_descriptor.c */
-/*
-    This file is part of the ARM-Crypto-Lib.
-    Copyright (C) 2006-2010  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/>.
-*/
-/**
- * \file    keysize_descriptor.c 
- * \author  Daniel Otte
- * \email   daniel.otte@rub.de
- * \date    2009-01-07
- * \license GPLv3 or later
- */
-
-#include <stdint.h>
-#include "keysize_descriptor.h"
-
-uint8_t is_valid_keysize_P(const void* ks_desc, uint16_t keysize){
-       uint8_t type;
-       type = *((uint8_t*)ks_desc);
-       ks_desc = (uint8_t*)ks_desc + 1;
-       if(type==KS_TYPE_TERMINATOR)
-               return 0;
-       if(type==KS_TYPE_LIST){
-               uint8_t items;
-               uint16_t item;
-               items = *((uint8_t*)ks_desc);
-               ks_desc = (uint8_t*)ks_desc + 1;
-               while(items--){
-                       item = *((uint16_t*)ks_desc);
-                       ks_desc = (uint8_t*)ks_desc + 2;
-                       if(item==keysize)
-                               return 1;
-               }
-               ks_desc = (uint8_t*)ks_desc - 2;
-       }
-       if(type==KS_TYPE_RANGE){
-               uint16_t max, min;
-               min = *((uint16_t*)ks_desc);
-               ks_desc = (uint8_t*)ks_desc + 2;
-               max = *((uint16_t*)ks_desc);
-               if(min<=keysize && keysize<=max)
-                       return 1;
-       }
-       if(type==KS_TYPE_ARG_RANGE){
-               uint16_t max, min, dist, offset;
-               min = *((uint16_t*)ks_desc);
-               ks_desc = (uint8_t*)ks_desc + 2;
-               max = *((uint16_t*)ks_desc);
-               ks_desc = (uint8_t*)ks_desc + 2;
-               dist = *((uint16_t*)ks_desc);
-               ks_desc = (uint8_t*)ks_desc + 2;
-               offset = *((uint16_t*)ks_desc);
-               if(min<=keysize && keysize<=max && (keysize%dist==offset))
-                       return 1;
-       }
-       if(type>KS_TYPE_ARG_RANGE){
-               /* bad error, you may insert a big warning message here */
-               return 0;
-       }
-       return is_valid_keysize_P((uint8_t*)ks_desc+1, keysize); /* search the next record */
-}
-
-uint16_t get_keysize(const void* ks_desc){
-       uint8_t type;
-       uint16_t keysize;
-       type = *((uint8_t*)ks_desc);
-       if(type==KS_TYPE_LIST)
-               ks_desc = (uint8_t*)ks_desc + 1;
-       ks_desc = (uint8_t*)ks_desc + 1;
-       keysize = *((uint16_t*)ks_desc);
-       return keysize;
-}
-
-