/* threefish512_enc_asm.S */
/*
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 2009-03-24
* \license GPLv3 or later
*/
#define K(s) (((uint64_t*)key)[(s)])
#define T(s) (((uint64_t*)tweak)[(s)])
-void threefish512_init(const void* key, const void* tweak, threefish512_ctx_t* ctx){
+void threefish512_init(const void *key, const void *tweak, threefish512_ctx_t *ctx){
memcpy(ctx->k, key, 8*8);
memcpy(ctx->t, tweak, 2*8);
uint8_t i;
movw r30, r20
movw r26, r24
ldi r24, 8
- ldi A7, 0x55
- mov A6, A7
- movw A4, A6
- movw A2, A6
+; ldi A7, 0x55
+; mov A6, A7
+; movw A4, A6
+; movw A2, A6
+; movw A0, A6
+ ldi A6, 0x22 ; 0x1BD1.1BDA.A9FC.1A22
+ ldi A7, 0x1A
movw A0, A6
+ ldi A2, 0xFC
+ ldi A3, 0xA9
+ ldi A4, 0xDA
+ ldi A5, 0x1B
+ ldi A6, 0xD1
+ ldi A7, 0x1B
1:
ld r0, X+
st Z+, r0
/******************************************************************************/
/*
#define X(a) (((uint64_t*)data)[(a)])
-void permute_8(void* data){
+void permute_8(void *data){
uint64_t t;
t = X(0);
X(0) = X(2);
X(3) = X(7);
X(7) = t;
}
-void add_key_8(void* data, const threefish512_ctx_t* ctx, uint8_t s){
+void add_key_8(void *data, const threefish512_ctx_t *ctx, uint8_t s){
uint8_t i;
for(i=0; i<5; ++i){
X(i) += ctx->k[(s+i)%9];
X(6) += ctx->k[(s+6)%9] + ctx->t[(s+1)%3];
X(7) += ctx->k[(s+7)%9] + s;
}
-void threefish512_enc(void* data, const threefish512_ctx_t* ctx){
+void threefish512_enc(void *data, const threefish512_ctx_t *ctx){
uint8_t i=0,s=0;
uint8_t r0[8] = {38, 48, 34, 26, 33, 39, 29, 33};
uint8_t r1[8] = {30, 20, 14, 12, 49, 27, 26, 51};