/* threefish256_enc.c */
/*
This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2009 Daniel Otte (daniel.otte@rub.de)
+ Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
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
*/
/*
* \author Daniel Otte
- * \email daniel.otte@rub.de
+ * \email bg@nerilex.org
* \date 2009-03-12
* \license GPLv3 or later
*
#define X(a) (((uint64_t*)data)[(a)])
static
-void permute_4(void* data){
+void permute_4(void *data){
uint64_t t;
t = X(1);
X(1) = X(3);
#define K(s) (((uint64_t*)key)[(s)])
#define T(s) (((uint64_t*)tweak)[(s)])
-void threefish256_init(const void* key, const void* tweak, threefish256_ctx_t* ctx){
+void threefish256_init(const void *key, const void *tweak, threefish256_ctx_t *ctx){
memcpy(ctx->k, key, 4*8);
if(tweak){
memcpy(ctx->t, tweak, 2*8);
}
static
-void add_key_4(void* data, const threefish256_ctx_t* ctx, uint8_t s){
+void add_key_4(void *data, const threefish256_ctx_t *ctx, uint8_t s){
X(0) += ctx->k[(s+0)%5];
X(1) += ctx->k[(s+1)%5] + ctx->t[s%3];
X(2) += ctx->k[(s+2)%5] + ctx->t[(s+1)%3];
X(3) += ctx->k[(s+3)%5] + s;
}
-void threefish256_enc(void* data, const threefish256_ctx_t* ctx){
+void threefish256_enc(void *data, const threefish256_ctx_t *ctx){
uint8_t i=0,s=0;
/* old constans, changed at round 2 of the SHA-3 contest
uint8_t r0[8] = { 5, 36, 13, 58, 26, 53, 11, 59};