block = (uint8_t*)block + ctx->bs;
length_b -= ctx->r;
}
-// uint8_t tmp[ctx->bs];
- uint8_t pad[3];
-// memset(tmp, 0x00, ctx->bs);
memxor(ctx->a, block, (length_b)/8);
/* appand 1 */
if(length_b & 7){
}else{
((uint8_t*)ctx->a)[length_b / 8] ^= 0x01;
}
- pad[0] = ctx->d;
- pad[1] = ctx->bs;
- pad[2] = 0x01;
if(length_b / 8 + 1 + 3 <= ctx->bs){
- memxor((uint8_t*)ctx->a + length_b / 8 + 1, pad, 3);
+ *((uint8_t*)ctx->a + length_b / 8 + 1) ^= ctx->d;
+ *((uint8_t*)ctx->a + length_b / 8 + 2) ^= ctx->bs;
+ *((uint8_t*)ctx->a + length_b / 8 + 3) ^= 1;
}else{
if(length_b / 8 + 1 + 2 <= ctx->bs){
- memxor((uint8_t*)ctx->a + length_b / 8 + 1, pad, 2);
+ *((uint8_t*)ctx->a + length_b / 8 + 1) ^= ctx->d;
+ *((uint8_t*)ctx->a + length_b / 8 + 2) ^= ctx->bs;
keccak_f1600(ctx->a);
((uint8_t*)ctx->a)[0] ^= 0x01;
}else{
if(length_b/8+1+1 <= ctx->bs){
- memxor((uint8_t*)ctx->a + length_b / 8 + 1, pad, 1);
+ *((uint8_t*)ctx->a + length_b / 8 + 1) ^= ctx->d;
keccak_f1600(ctx->a);
((uint8_t*)ctx->a)[0] ^= ctx->bs;
((uint8_t*)ctx->a)[1] ^= 0x01;