void threefish1024_dec(void* data, const threefish1024_ctx_t* ctx){
uint8_t i=0,s=20;
uint8_t r0[8] = {0x69, 0x72, 0x21, 0x34, 0x42, 0x41, 0x31, 0x79};
uint8_t r1[8] = {0x61, 0x19, 0x1a, 0x19, 0x53, 0x10, 0x31, 0x53};
uint8_t r2[8] = {0x33, 0x40, 0x22, 0x69, 0x31, 0x22, 0x6a, 0x5b};
uint8_t r3[8] = {0x72, 0x6b, 0x31, 0x60, 0x74, 0x71, 0x2b, 0x50};
uint8_t r4[8] = {0x5b, 0x23, 0x53, 0x63, 0x54, 0x3b, 0x2a, 0x20};
uint8_t r5[8] = {0x60, 0x22, 0x52, 0x11, 0x11, 0x14, 0x2b, 0x3a};
uint8_t r6[8] = {0x7b, 0x02, 0x50, 0x43, 0x73, 0x40, 0x64, 0x5a};
uint8_t r7[8] = {0x70, 0x70, 0x29, 0x51, 0x42, 0x7a, 0x71, 0x14};
do{
if(i%4==0){
add_key_16(data, ctx, s);
--s;
}
permute_inv16(data);
threefish_invmix((uint8_t*)data + 0, r0[i%8]);
threefish_invmix((uint8_t*)data + 16, r1[i%8]);
threefish_invmix((uint8_t*)data + 32, r2[i%8]);
threefish_invmix((uint8_t*)data + 48, r3[i%8]);
threefish_invmix((uint8_t*)data + 64, r4[i%8]);
threefish_invmix((uint8_t*)data + 80, r5[i%8]);
threefish_invmix((uint8_t*)data + 96, r6[i%8]);
threefish_invmix((uint8_t*)data +112, r7[i%8]);
++i;
}while(i!=80);
add_key_16(data, ctx, s);
}
void threefish1024_enc(void *data, const threefish1024_ctx_t *ctx){
uint8_t i=0,s=0;
/* old constans, changed at round 2 of the SHA-3 contest
uint8_t r0[8] = {55, 25, 33, 34, 28, 17, 58, 47};
uint8_t r1[8] = {43, 25, 8, 43, 7, 6, 7, 49};
uint8_t r2[8] = {37, 46, 18, 25, 47, 18, 32, 27};
uint8_t r3[8] = {40, 13, 57, 60, 48, 25, 45, 58};
uint8_t r4[8] = {16, 14, 21, 44, 51, 43, 19, 37};
uint8_t r5[8] = {22, 13, 12, 9, 9, 42, 18, 48};
uint8_t r6[8] = {38, 52, 32, 59, 35, 40, 2, 53};
uint8_t r7[8] = {12, 57, 54, 34, 41, 15, 56, 56};
*/
uint8_t r0[8] = {24, 38, 33, 5, 41, 16, 31, 9};
uint8_t r1[8] = {13, 19, 4, 20, 9, 34, 44, 48};
uint8_t r2[8] = { 8, 10, 51, 48, 37, 56, 47, 35};
uint8_t r3[8] = {47, 55, 13, 41, 31, 51, 46, 52};
uint8_t r4[8] = { 8, 49, 34, 47, 12, 4, 19, 23};
uint8_t r5[8] = {17, 18, 41, 28, 47, 53, 42, 31};
uint8_t r6[8] = {22, 23, 59, 16, 44, 42, 44, 37};
uint8_t r7[8] = {37, 52, 17, 25, 30, 41, 25, 20};
do{
if(i%4==0){
add_key_16(data, ctx, s);
++s;
}
threefish_mix((uint8_t*)data + 0, r0[i%8]);
threefish_mix((uint8_t*)data + 16, r1[i%8]);
threefish_mix((uint8_t*)data + 32, r2[i%8]);
threefish_mix((uint8_t*)data + 48, r3[i%8]);
threefish_mix((uint8_t*)data + 64, r4[i%8]);
threefish_mix((uint8_t*)data + 80, r5[i%8]);
threefish_mix((uint8_t*)data + 96, r6[i%8]);
threefish_mix((uint8_t*)data +112, r7[i%8]);
permute_16(data);
++i;
}while(i!=80);
add_key_16(data, ctx, s);
}
