X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=skein%2Fthreefish1024_enc_asm.S;h=38f85ed099c8e14e05c8f4e65ada3038a869a02f;hb=2c909fca2a13cd76a526515bda5d0292483d7a55;hp=f88b3ff70c93d7a57750f529d00904bf23ef36ea;hpb=bd9d6731486cac11f6b294b3c84681eb65947f3d;p=avr-crypto-lib.git diff --git a/skein/threefish1024_enc_asm.S b/skein/threefish1024_enc_asm.S index f88b3ff..38f85ed 100644 --- a/skein/threefish1024_enc_asm.S +++ b/skein/threefish1024_enc_asm.S @@ -39,7 +39,7 @@ A7 = 21 #define K(s) (((uint64_t*)key)[(s)]) #define T(s) (((uint64_t*)tweak)[(s)]) -void threefish1024_init(const void* key, const void* tweak, threefish512_ctx_t* ctx){ +void threefish1024_init(const void *key, const void *tweak, threefish512_ctx_t *ctx){ memcpy(ctx->k, key, 16*8); memcpy(ctx->t, tweak, 2*8); uint8_t i; @@ -61,11 +61,20 @@ threefish1024_init: movw r30, r20 movw r26, r24 ldi r24, 16 - 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 @@ -169,7 +178,7 @@ threefish1024_init: /******************************************************************************/ /* #define X(a) (((uint64_t*)data)[(a)]) -void permute_16(void* data){ +void permute_16(void *data){ uint64_t t; t = X(1); X(1) = X(9); @@ -190,7 +199,7 @@ void permute_16(void* data){ X(12) = X(14); X(14) = t; } -void add_key_16(void* data, const threefish1024_ctx_t* ctx, uint8_t s){ +void add_key_16(void *data, const threefish1024_ctx_t *ctx, uint8_t s){ uint8_t i; for(i=0; i<13; ++i){ X(i) += ctx->k[(s+i)%17]; @@ -199,7 +208,7 @@ void add_key_16(void* data, const threefish1024_ctx_t* ctx, uint8_t s){ X(14) += ctx->k[(s+14)%17] + ctx->t[(s+1)%3]; X(15) += ctx->k[(s+15)%17] + s; } -void threefish1024_enc(void* data, const threefish1024_ctx_t* ctx){ +void threefish1024_enc(void *data, const threefish1024_ctx_t *ctx){ uint8_t i=0,s=0; uint8_t r0[8] = {55, 25, 33, 34, 28, 17, 58, 47}; uint8_t r1[8] = {43, 25, 8, 43, 7, 6, 7, 49};