clean up

[avr-crypto-lib.git] / dsa / noekeon_prng.c

diff --git a/dsa/noekeon_prng.c b/dsa/noekeon_prng.c
deleted file mode 100644 (file)
index 5b5bc29..0000000
--- a/dsa/noekeon_prng.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/* noekeon_prng.c */
-/*
- *   This file is part of the AVR-Crypto-Lib.
- *   Copyright (C) 2006, 2007, 2008  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/>.
- */
-/**
- * \author     Daniel Otte
- * \date       2008-08-24
- * \license GPLv3 or later
- * \brief   random number generator based on noekeon running in CFB-mode
- * 
- */
-
-#include "noekeon.h"
-#include "memxor.h"
-#include <stdint.h>
-#include <string.h>
-
-static uint8_t random_state[16];
-static uint8_t random_key[16];
-static uint8_t i=0;
-
-uint8_t random8(void){
-       static uint8_t sr[16];
-       
-       if(i==0){
-               noekeon_enc(random_state, random_key);
-               memcpy(sr, random_state, 16);
-               i=15;
-               return sr[15];
-       }
-       --i;
-       return sr[i];
-}
-
-void random_block(void* dest){
-       i=0;
-       noekeon_enc(random_state, random_key);
-       memcpy(dest, random_state, 16);
-}
-
-void srandom32(uint32_t seed){
-       memcpy(random_key, &seed, 4);
-       memset(random_key+4, 0, 12);
-       memset(random_state, 0, 16);
-       i=0;
-}
-
-void random_seed(const void* buffer){
-       memcpy(random_key, buffer, 16);
-       memset(random_state, 0, 16);
-       i=0;
-}
-
-void random_add(const void* buffer){
-       i=0;
-       noekeon_enc(random_state, random_key);
-       memxor(random_key, random_state, 16);
-       memxor(random_key, buffer, 16);
-}
-
-