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1162 lines (1052 loc) · 40.5 KB
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Copy pathKeccakP-1600-inplace32BI.c
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1162 lines (1052 loc) · 40.5 KB
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/*
Implementation by the Keccak, Keyak and Ketje Teams, namely, Guido Bertoni,
Joan Daemen, Michaël Peeters, Gilles Van Assche and Ronny Van Keer, hereby
denoted as "the implementer".
For more information, feedback or questions, please refer to our websites:
http://keccak.noekeon.org/
http://keyak.noekeon.org/
http://ketje.noekeon.org/
To the extent possible under law, the implementer has waived all copyright
and related or neighboring rights to the source code in this file.
http://creativecommons.org/publicdomain/zero/1.0/
*/
#include <string.h>
/* #include "brg_endian.h" */
#include "KeccakP-1600-SnP.h"
#include "SnP-Relaned.h"
typedef unsigned char UINT8;
typedef unsigned int UINT32;
/* WARNING: on 8-bit and 16-bit platforms, this should be replaced by: */
/*typedef unsigned long UINT32; */
#define ROL32(a, offset) ((((UINT32)a) << (offset)) ^ (((UINT32)a) >> (32-(offset))))
/* Credit to Henry S. Warren, Hacker's Delight, Addison-Wesley, 2002 */
#define prepareToBitInterleaving(low, high, temp, temp0, temp1) \
temp0 = (low); \
temp = (temp0 ^ (temp0 >> 1)) & 0x22222222UL; temp0 = temp0 ^ temp ^ (temp << 1); \
temp = (temp0 ^ (temp0 >> 2)) & 0x0C0C0C0CUL; temp0 = temp0 ^ temp ^ (temp << 2); \
temp = (temp0 ^ (temp0 >> 4)) & 0x00F000F0UL; temp0 = temp0 ^ temp ^ (temp << 4); \
temp = (temp0 ^ (temp0 >> 8)) & 0x0000FF00UL; temp0 = temp0 ^ temp ^ (temp << 8); \
temp1 = (high); \
temp = (temp1 ^ (temp1 >> 1)) & 0x22222222UL; temp1 = temp1 ^ temp ^ (temp << 1); \
temp = (temp1 ^ (temp1 >> 2)) & 0x0C0C0C0CUL; temp1 = temp1 ^ temp ^ (temp << 2); \
temp = (temp1 ^ (temp1 >> 4)) & 0x00F000F0UL; temp1 = temp1 ^ temp ^ (temp << 4); \
temp = (temp1 ^ (temp1 >> 8)) & 0x0000FF00UL; temp1 = temp1 ^ temp ^ (temp << 8);
#define toBitInterleavingAndXOR(low, high, even, odd, temp, temp0, temp1) \
prepareToBitInterleaving(low, high, temp, temp0, temp1) \
even ^= (temp0 & 0x0000FFFF) | (temp1 << 16); \
odd ^= (temp0 >> 16) | (temp1 & 0xFFFF0000);
#define toBitInterleavingAndAND(low, high, even, odd, temp, temp0, temp1) \
prepareToBitInterleaving(low, high, temp, temp0, temp1) \
even &= (temp0 & 0x0000FFFF) | (temp1 << 16); \
odd &= (temp0 >> 16) | (temp1 & 0xFFFF0000);
#define toBitInterleavingAndSet(low, high, even, odd, temp, temp0, temp1) \
prepareToBitInterleaving(low, high, temp, temp0, temp1) \
even = (temp0 & 0x0000FFFF) | (temp1 << 16); \
odd = (temp0 >> 16) | (temp1 & 0xFFFF0000);
/* Credit to Henry S. Warren, Hacker's Delight, Addison-Wesley, 2002 */
#define prepareFromBitInterleaving(even, odd, temp, temp0, temp1) \
temp0 = (even); \
temp1 = (odd); \
temp = (temp0 & 0x0000FFFF) | (temp1 << 16); \
temp1 = (temp0 >> 16) | (temp1 & 0xFFFF0000); \
temp0 = temp; \
temp = (temp0 ^ (temp0 >> 8)) & 0x0000FF00UL; temp0 = temp0 ^ temp ^ (temp << 8); \
temp = (temp0 ^ (temp0 >> 4)) & 0x00F000F0UL; temp0 = temp0 ^ temp ^ (temp << 4); \
temp = (temp0 ^ (temp0 >> 2)) & 0x0C0C0C0CUL; temp0 = temp0 ^ temp ^ (temp << 2); \
temp = (temp0 ^ (temp0 >> 1)) & 0x22222222UL; temp0 = temp0 ^ temp ^ (temp << 1); \
temp = (temp1 ^ (temp1 >> 8)) & 0x0000FF00UL; temp1 = temp1 ^ temp ^ (temp << 8); \
temp = (temp1 ^ (temp1 >> 4)) & 0x00F000F0UL; temp1 = temp1 ^ temp ^ (temp << 4); \
temp = (temp1 ^ (temp1 >> 2)) & 0x0C0C0C0CUL; temp1 = temp1 ^ temp ^ (temp << 2); \
temp = (temp1 ^ (temp1 >> 1)) & 0x22222222UL; temp1 = temp1 ^ temp ^ (temp << 1);
#define fromBitInterleaving(even, odd, low, high, temp, temp0, temp1) \
prepareFromBitInterleaving(even, odd, temp, temp0, temp1) \
low = temp0; \
high = temp1;
#define fromBitInterleavingAndXOR(even, odd, lowIn, highIn, lowOut, highOut, temp, temp0, temp1) \
prepareFromBitInterleaving(even, odd, temp, temp0, temp1) \
lowOut = lowIn ^ temp0; \
highOut = highIn ^ temp1;
void KeccakP1600_SetBytesInLaneToZero(void *state, unsigned int lanePosition, unsigned int offset, unsigned int length)
{
UINT8 laneAsBytes[8];
UINT32 low, high;
UINT32 temp, temp0, temp1;
UINT32 *stateAsHalfLanes = (UINT32*)state;
memset(laneAsBytes, 0xFF, offset);
memset(laneAsBytes+offset, 0x00, length);
memset(laneAsBytes+offset+length, 0xFF, 8-offset-length);
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
low = *((UINT32*)(laneAsBytes+0));
high = *((UINT32*)(laneAsBytes+4));
#else
low = laneAsBytes[0]
| ((UINT32)(laneAsBytes[1]) << 8)
| ((UINT32)(laneAsBytes[2]) << 16)
| ((UINT32)(laneAsBytes[3]) << 24);
high = laneAsBytes[4]
| ((UINT32)(laneAsBytes[5]) << 8)
| ((UINT32)(laneAsBytes[6]) << 16)
| ((UINT32)(laneAsBytes[7]) << 24);
#endif
toBitInterleavingAndAND(low, high, stateAsHalfLanes[lanePosition*2+0], stateAsHalfLanes[lanePosition*2+1], temp, temp0, temp1);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_Initialize(void *state)
{
memset(state, 0, 200);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_AddByte(void *state, unsigned char byte, unsigned int offset)
{
unsigned int lanePosition = offset/8;
unsigned int offsetInLane = offset%8;
UINT32 low, high;
UINT32 temp, temp0, temp1;
UINT32 *stateAsHalfLanes = (UINT32*)state;
if (offsetInLane < 4) {
low = (UINT32)byte << (offsetInLane*8);
high = 0;
}
else {
low = 0;
high = (UINT32)byte << ((offsetInLane-4)*8);
}
toBitInterleavingAndXOR(low, high, stateAsHalfLanes[lanePosition*2+0], stateAsHalfLanes[lanePosition*2+1], temp, temp0, temp1);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_AddBytesInLane(void *state, unsigned int lanePosition, const unsigned char *data, unsigned int offset, unsigned int length)
{
UINT8 laneAsBytes[8];
UINT32 low, high;
UINT32 temp, temp0, temp1;
UINT32 *stateAsHalfLanes = (UINT32*)state;
memset(laneAsBytes, 0, 8);
memcpy(laneAsBytes+offset, data, length);
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
low = *((UINT32*)(laneAsBytes+0));
high = *((UINT32*)(laneAsBytes+4));
#else
low = laneAsBytes[0]
| ((UINT32)(laneAsBytes[1]) << 8)
| ((UINT32)(laneAsBytes[2]) << 16)
| ((UINT32)(laneAsBytes[3]) << 24);
high = laneAsBytes[4]
| ((UINT32)(laneAsBytes[5]) << 8)
| ((UINT32)(laneAsBytes[6]) << 16)
| ((UINT32)(laneAsBytes[7]) << 24);
#endif
toBitInterleavingAndXOR(low, high, stateAsHalfLanes[lanePosition*2+0], stateAsHalfLanes[lanePosition*2+1], temp, temp0, temp1);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_AddLanes(void *state, const unsigned char *data, unsigned int laneCount)
{
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
const UINT32 * pI = (const UINT32 *)data;
UINT32 * pS = (UINT32*)state;
UINT32 t, x0, x1;
int i;
for (i = laneCount-1; i >= 0; --i) {
#ifdef NO_MISALIGNED_ACCESSES
UINT32 low;
UINT32 high;
memcpy(&low, pI++, 4);
memcpy(&high, pI++, 4);
toBitInterleavingAndXOR(low, high, *(pS++), *(pS++), t, x0, x1);
#else
toBitInterleavingAndXOR(*(pI++), *(pI++), *(pS++), *(pS++), t, x0, x1)
#endif
}
#else
unsigned int lanePosition;
for(lanePosition=0; lanePosition<laneCount; lanePosition++) {
UINT8 laneAsBytes[8];
UINT32 low, high, temp, temp0, temp1;
UINT32 *stateAsHalfLanes;
memcpy(laneAsBytes, data+lanePosition*8, 8);
low = laneAsBytes[0]
| ((UINT32)(laneAsBytes[1]) << 8)
| ((UINT32)(laneAsBytes[2]) << 16)
| ((UINT32)(laneAsBytes[3]) << 24);
high = laneAsBytes[4]
| ((UINT32)(laneAsBytes[5]) << 8)
| ((UINT32)(laneAsBytes[6]) << 16)
| ((UINT32)(laneAsBytes[7]) << 24);
stateAsHalfLanes = (UINT32*)state;
toBitInterleavingAndXOR(low, high, stateAsHalfLanes[lanePosition*2+0], stateAsHalfLanes[lanePosition*2+1], temp, temp0, temp1);
}
#endif
}
/* ---------------------------------------------------------------- */
void KeccakP1600_AddBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length)
{
SnP_AddBytes(state, data, offset, length, KeccakP1600_AddLanes, KeccakP1600_AddBytesInLane, 8);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_OverwriteBytesInLane(void *state, unsigned int lanePosition, const unsigned char *data, unsigned int offset, unsigned int length)
{
KeccakP1600_SetBytesInLaneToZero(state, lanePosition, offset, length);
KeccakP1600_AddBytesInLane(state, lanePosition, data, offset, length);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_OverwriteLanes(void *state, const unsigned char *data, unsigned int laneCount)
{
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
const UINT32 * pI = (const UINT32 *)data;
UINT32 * pS = (UINT32 *)state;
UINT32 t, x0, x1;
int i;
for (i = laneCount-1; i >= 0; --i) {
#ifdef NO_MISALIGNED_ACCESSES
UINT32 low;
UINT32 high;
memcpy(&low, pI++, 4);
memcpy(&high, pI++, 4);
toBitInterleavingAndSet(low, high, *(pS++), *(pS++), t, x0, x1);
#else
toBitInterleavingAndSet(*(pI++), *(pI++), *(pS++), *(pS++), t, x0, x1)
#endif
}
#else
unsigned int lanePosition;
for(lanePosition=0; lanePosition<laneCount; lanePosition++) {
UINT8 laneAsBytes[8];
UINT32 low, high, temp, temp0, temp1;
UINT32 *stateAsHalfLanes;
memcpy(laneAsBytes, data+lanePosition*8, 8);
low = laneAsBytes[0]
| ((UINT32)(laneAsBytes[1]) << 8)
| ((UINT32)(laneAsBytes[2]) << 16)
| ((UINT32)(laneAsBytes[3]) << 24);
high = laneAsBytes[4]
| ((UINT32)(laneAsBytes[5]) << 8)
| ((UINT32)(laneAsBytes[6]) << 16)
| ((UINT32)(laneAsBytes[7]) << 24);
stateAsHalfLanes = (UINT32*)state;
toBitInterleavingAndSet(low, high, stateAsHalfLanes[lanePosition*2+0], stateAsHalfLanes[lanePosition*2+1], temp, temp0, temp1);
}
#endif
}
/* ---------------------------------------------------------------- */
void KeccakP1600_OverwriteBytes(void *state, const unsigned char *data, unsigned int offset, unsigned int length)
{
SnP_OverwriteBytes(state, data, offset, length, KeccakP1600_OverwriteLanes, KeccakP1600_OverwriteBytesInLane, 8);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_OverwriteWithZeroes(void *state, unsigned int byteCount)
{
UINT32 *stateAsHalfLanes = (UINT32*)state;
unsigned int i;
for(i=0; i<byteCount/8; i++) {
stateAsHalfLanes[i*2+0] = 0;
stateAsHalfLanes[i*2+1] = 0;
}
if (byteCount%8 != 0)
KeccakP1600_SetBytesInLaneToZero(state, byteCount/8, 0, byteCount%8);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_ExtractBytesInLane(const void *state, unsigned int lanePosition, unsigned char *data, unsigned int offset, unsigned int length)
{
UINT32 *stateAsHalfLanes = (UINT32*)state;
UINT32 low, high, temp, temp0, temp1;
UINT8 laneAsBytes[8];
fromBitInterleaving(stateAsHalfLanes[lanePosition*2], stateAsHalfLanes[lanePosition*2+1], low, high, temp, temp0, temp1);
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
*((UINT32*)(laneAsBytes+0)) = low;
*((UINT32*)(laneAsBytes+4)) = high;
#else
laneAsBytes[0] = low & 0xFF;
laneAsBytes[1] = (low >> 8) & 0xFF;
laneAsBytes[2] = (low >> 16) & 0xFF;
laneAsBytes[3] = (low >> 24) & 0xFF;
laneAsBytes[4] = high & 0xFF;
laneAsBytes[5] = (high >> 8) & 0xFF;
laneAsBytes[6] = (high >> 16) & 0xFF;
laneAsBytes[7] = (high >> 24) & 0xFF;
#endif
memcpy(data, laneAsBytes+offset, length);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_ExtractLanes(const void *state, unsigned char *data, unsigned int laneCount)
{
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
UINT32 * pI = (UINT32 *)data;
const UINT32 * pS = ( const UINT32 *)state;
UINT32 t, x0, x1;
int i;
for (i = laneCount-1; i >= 0; --i) {
#ifdef NO_MISALIGNED_ACCESSES
UINT32 low;
UINT32 high;
fromBitInterleaving(*(pS++), *(pS++), low, high, t, x0, x1);
memcpy(pI++, &low, 4);
memcpy(pI++, &high, 4);
#else
fromBitInterleaving(*(pS++), *(pS++), *(pI++), *(pI++), t, x0, x1)
#endif
}
#else
unsigned int lanePosition;
for(lanePosition=0; lanePosition<laneCount; lanePosition++) {
UINT32 *stateAsHalfLanes = (UINT32*)state;
UINT32 low, high, temp, temp0, temp1;
UINT8 laneAsBytes[8];
fromBitInterleaving(stateAsHalfLanes[lanePosition*2], stateAsHalfLanes[lanePosition*2+1], low, high, temp, temp0, temp1);
laneAsBytes[0] = low & 0xFF;
laneAsBytes[1] = (low >> 8) & 0xFF;
laneAsBytes[2] = (low >> 16) & 0xFF;
laneAsBytes[3] = (low >> 24) & 0xFF;
laneAsBytes[4] = high & 0xFF;
laneAsBytes[5] = (high >> 8) & 0xFF;
laneAsBytes[6] = (high >> 16) & 0xFF;
laneAsBytes[7] = (high >> 24) & 0xFF;
memcpy(data+lanePosition*8, laneAsBytes, 8);
}
#endif
}
/* ---------------------------------------------------------------- */
void KeccakP1600_ExtractBytes(const void *state, unsigned char *data, unsigned int offset, unsigned int length)
{
SnP_ExtractBytes(state, data, offset, length, KeccakP1600_ExtractLanes, KeccakP1600_ExtractBytesInLane, 8);
}
/* ---------------------------------------------------------------- */
void KeccakP1600_ExtractAndAddBytesInLane(const void *state, unsigned int lanePosition, const unsigned char *input, unsigned char *output, unsigned int offset, unsigned int length)
{
UINT32 *stateAsHalfLanes = (UINT32*)state;
UINT32 low, high, temp, temp0, temp1;
UINT8 laneAsBytes[8];
unsigned int i;
fromBitInterleaving(stateAsHalfLanes[lanePosition*2], stateAsHalfLanes[lanePosition*2+1], low, high, temp, temp0, temp1);
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
*((UINT32*)(laneAsBytes+0)) = low;
*((UINT32*)(laneAsBytes+4)) = high;
#else
laneAsBytes[0] = low & 0xFF;
laneAsBytes[1] = (low >> 8) & 0xFF;
laneAsBytes[2] = (low >> 16) & 0xFF;
laneAsBytes[3] = (low >> 24) & 0xFF;
laneAsBytes[4] = high & 0xFF;
laneAsBytes[5] = (high >> 8) & 0xFF;
laneAsBytes[6] = (high >> 16) & 0xFF;
laneAsBytes[7] = (high >> 24) & 0xFF;
#endif
for(i=0; i<length; i++)
output[i] = input[i] ^ laneAsBytes[offset+i];
}
/* ---------------------------------------------------------------- */
void KeccakP1600_ExtractAndAddLanes(const void *state, const unsigned char *input, unsigned char *output, unsigned int laneCount)
{
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
const UINT32 * pI = (const UINT32 *)input;
UINT32 * pO = (UINT32 *)output;
const UINT32 * pS = (const UINT32 *)state;
UINT32 t, x0, x1;
int i;
for (i = laneCount-1; i >= 0; --i) {
#ifdef NO_MISALIGNED_ACCESSES
UINT32 low;
UINT32 high;
fromBitInterleaving(*(pS++), *(pS++), low, high, t, x0, x1);
*(pO++) = *(pI++) ^ low;
*(pO++) = *(pI++) ^ high;
#else
fromBitInterleavingAndXOR(*(pS++), *(pS++), *(pI++), *(pI++), *(pO++), *(pO++), t, x0, x1)
#endif
}
#else
unsigned int lanePosition;
for(lanePosition=0; lanePosition<laneCount; lanePosition++) {
UINT32 *stateAsHalfLanes = (UINT32*)state;
UINT32 low, high, temp, temp0, temp1;
UINT8 laneAsBytes[8];
fromBitInterleaving(stateAsHalfLanes[lanePosition*2], stateAsHalfLanes[lanePosition*2+1], low, high, temp, temp0, temp1);
laneAsBytes[0] = low & 0xFF;
laneAsBytes[1] = (low >> 8) & 0xFF;
laneAsBytes[2] = (low >> 16) & 0xFF;
laneAsBytes[3] = (low >> 24) & 0xFF;
laneAsBytes[4] = high & 0xFF;
laneAsBytes[5] = (high >> 8) & 0xFF;
laneAsBytes[6] = (high >> 16) & 0xFF;
laneAsBytes[7] = (high >> 24) & 0xFF;
((UINT32*)(output+lanePosition*8))[0] = ((UINT32*)(input+lanePosition*8))[0] ^ (*(const UINT32*)(laneAsBytes+0));
((UINT32*)(output+lanePosition*8))[1] = ((UINT32*)(input+lanePosition*8))[0] ^ (*(const UINT32*)(laneAsBytes+4));
}
#endif
}
/* ---------------------------------------------------------------- */
void KeccakP1600_ExtractAndAddBytes(const void *state, const unsigned char *input, unsigned char *output, unsigned int offset, unsigned int length)
{
SnP_ExtractAndAddBytes(state, input, output, offset, length, KeccakP1600_ExtractAndAddLanes, KeccakP1600_ExtractAndAddBytesInLane, 8);
}
/* ---------------------------------------------------------------- */
static const UINT32 KeccakF1600RoundConstants_int2[2*24+1] =
{
0x00000001UL, 0x00000000UL,
0x00000000UL, 0x00000089UL,
0x00000000UL, 0x8000008bUL,
0x00000000UL, 0x80008080UL,
0x00000001UL, 0x0000008bUL,
0x00000001UL, 0x00008000UL,
0x00000001UL, 0x80008088UL,
0x00000001UL, 0x80000082UL,
0x00000000UL, 0x0000000bUL,
0x00000000UL, 0x0000000aUL,
0x00000001UL, 0x00008082UL,
0x00000000UL, 0x00008003UL,
0x00000001UL, 0x0000808bUL,
0x00000001UL, 0x8000000bUL,
0x00000001UL, 0x8000008aUL,
0x00000001UL, 0x80000081UL,
0x00000000UL, 0x80000081UL,
0x00000000UL, 0x80000008UL,
0x00000000UL, 0x00000083UL,
0x00000000UL, 0x80008003UL,
0x00000001UL, 0x80008088UL,
0x00000000UL, 0x80000088UL,
0x00000001UL, 0x00008000UL,
0x00000000UL, 0x80008082UL,
0x000000FFUL
};
#define KeccakAtoD_round0() \
Cx = Abu0^Agu0^Aku0^Amu0^Asu0; \
Du1 = Abe1^Age1^Ake1^Ame1^Ase1; \
Da0 = Cx^ROL32(Du1, 1); \
Cz = Abu1^Agu1^Aku1^Amu1^Asu1; \
Du0 = Abe0^Age0^Ake0^Ame0^Ase0; \
Da1 = Cz^Du0; \
\
Cw = Abi0^Agi0^Aki0^Ami0^Asi0; \
Do0 = Cw^ROL32(Cz, 1); \
Cy = Abi1^Agi1^Aki1^Ami1^Asi1; \
Do1 = Cy^Cx; \
\
Cx = Aba0^Aga0^Aka0^Ama0^Asa0; \
De0 = Cx^ROL32(Cy, 1); \
Cz = Aba1^Aga1^Aka1^Ama1^Asa1; \
De1 = Cz^Cw; \
\
Cy = Abo1^Ago1^Ako1^Amo1^Aso1; \
Di0 = Du0^ROL32(Cy, 1); \
Cw = Abo0^Ago0^Ako0^Amo0^Aso0; \
Di1 = Du1^Cw; \
\
Du0 = Cw^ROL32(Cz, 1); \
Du1 = Cy^Cx; \
#define KeccakAtoD_round1() \
Cx = Asu0^Agu0^Amu0^Abu1^Aku1; \
Du1 = Age1^Ame0^Abe0^Ake1^Ase1; \
Da0 = Cx^ROL32(Du1, 1); \
Cz = Asu1^Agu1^Amu1^Abu0^Aku0; \
Du0 = Age0^Ame1^Abe1^Ake0^Ase0; \
Da1 = Cz^Du0; \
\
Cw = Aki1^Asi1^Agi0^Ami1^Abi0; \
Do0 = Cw^ROL32(Cz, 1); \
Cy = Aki0^Asi0^Agi1^Ami0^Abi1; \
Do1 = Cy^Cx; \
\
Cx = Aba0^Aka1^Asa0^Aga0^Ama1; \
De0 = Cx^ROL32(Cy, 1); \
Cz = Aba1^Aka0^Asa1^Aga1^Ama0; \
De1 = Cz^Cw; \
\
Cy = Amo0^Abo1^Ako0^Aso1^Ago0; \
Di0 = Du0^ROL32(Cy, 1); \
Cw = Amo1^Abo0^Ako1^Aso0^Ago1; \
Di1 = Du1^Cw; \
\
Du0 = Cw^ROL32(Cz, 1); \
Du1 = Cy^Cx; \
#define KeccakAtoD_round2() \
Cx = Aku1^Agu0^Abu1^Asu1^Amu1; \
Du1 = Ame0^Ake0^Age0^Abe0^Ase1; \
Da0 = Cx^ROL32(Du1, 1); \
Cz = Aku0^Agu1^Abu0^Asu0^Amu0; \
Du0 = Ame1^Ake1^Age1^Abe1^Ase0; \
Da1 = Cz^Du0; \
\
Cw = Agi1^Abi1^Asi1^Ami0^Aki1; \
Do0 = Cw^ROL32(Cz, 1); \
Cy = Agi0^Abi0^Asi0^Ami1^Aki0; \
Do1 = Cy^Cx; \
\
Cx = Aba0^Asa1^Ama1^Aka1^Aga1; \
De0 = Cx^ROL32(Cy, 1); \
Cz = Aba1^Asa0^Ama0^Aka0^Aga0; \
De1 = Cz^Cw; \
\
Cy = Aso0^Amo0^Ako1^Ago0^Abo0; \
Di0 = Du0^ROL32(Cy, 1); \
Cw = Aso1^Amo1^Ako0^Ago1^Abo1; \
Di1 = Du1^Cw; \
\
Du0 = Cw^ROL32(Cz, 1); \
Du1 = Cy^Cx; \
#define KeccakAtoD_round3() \
Cx = Amu1^Agu0^Asu1^Aku0^Abu0; \
Du1 = Ake0^Abe1^Ame1^Age0^Ase1; \
Da0 = Cx^ROL32(Du1, 1); \
Cz = Amu0^Agu1^Asu0^Aku1^Abu1; \
Du0 = Ake1^Abe0^Ame0^Age1^Ase0; \
Da1 = Cz^Du0; \
\
Cw = Asi0^Aki0^Abi1^Ami1^Agi1; \
Do0 = Cw^ROL32(Cz, 1); \
Cy = Asi1^Aki1^Abi0^Ami0^Agi0; \
Do1 = Cy^Cx; \
\
Cx = Aba0^Ama0^Aga1^Asa1^Aka0; \
De0 = Cx^ROL32(Cy, 1); \
Cz = Aba1^Ama1^Aga0^Asa0^Aka1; \
De1 = Cz^Cw; \
\
Cy = Ago1^Aso0^Ako0^Abo0^Amo1; \
Di0 = Du0^ROL32(Cy, 1); \
Cw = Ago0^Aso1^Ako1^Abo1^Amo0; \
Di1 = Du1^Cw; \
\
Du0 = Cw^ROL32(Cz, 1); \
Du1 = Cy^Cx; \
void KeccakP1600_Permute_Nrounds(void *state, unsigned int nRounds)
{
{
UINT32 Da0, De0, Di0, Do0, Du0;
UINT32 Da1, De1, Di1, Do1, Du1;
UINT32 Ca0, Ce0, Ci0, Co0, Cu0;
UINT32 Cx, Cy, Cz, Cw;
#define Ba Ca0
#define Be Ce0
#define Bi Ci0
#define Bo Co0
#define Bu Cu0
const UINT32 *pRoundConstants = KeccakF1600RoundConstants_int2+(24-nRounds)*2;
UINT32 *stateAsHalfLanes = (UINT32*)state;
#define Aba0 stateAsHalfLanes[ 0]
#define Aba1 stateAsHalfLanes[ 1]
#define Abe0 stateAsHalfLanes[ 2]
#define Abe1 stateAsHalfLanes[ 3]
#define Abi0 stateAsHalfLanes[ 4]
#define Abi1 stateAsHalfLanes[ 5]
#define Abo0 stateAsHalfLanes[ 6]
#define Abo1 stateAsHalfLanes[ 7]
#define Abu0 stateAsHalfLanes[ 8]
#define Abu1 stateAsHalfLanes[ 9]
#define Aga0 stateAsHalfLanes[10]
#define Aga1 stateAsHalfLanes[11]
#define Age0 stateAsHalfLanes[12]
#define Age1 stateAsHalfLanes[13]
#define Agi0 stateAsHalfLanes[14]
#define Agi1 stateAsHalfLanes[15]
#define Ago0 stateAsHalfLanes[16]
#define Ago1 stateAsHalfLanes[17]
#define Agu0 stateAsHalfLanes[18]
#define Agu1 stateAsHalfLanes[19]
#define Aka0 stateAsHalfLanes[20]
#define Aka1 stateAsHalfLanes[21]
#define Ake0 stateAsHalfLanes[22]
#define Ake1 stateAsHalfLanes[23]
#define Aki0 stateAsHalfLanes[24]
#define Aki1 stateAsHalfLanes[25]
#define Ako0 stateAsHalfLanes[26]
#define Ako1 stateAsHalfLanes[27]
#define Aku0 stateAsHalfLanes[28]
#define Aku1 stateAsHalfLanes[29]
#define Ama0 stateAsHalfLanes[30]
#define Ama1 stateAsHalfLanes[31]
#define Ame0 stateAsHalfLanes[32]
#define Ame1 stateAsHalfLanes[33]
#define Ami0 stateAsHalfLanes[34]
#define Ami1 stateAsHalfLanes[35]
#define Amo0 stateAsHalfLanes[36]
#define Amo1 stateAsHalfLanes[37]
#define Amu0 stateAsHalfLanes[38]
#define Amu1 stateAsHalfLanes[39]
#define Asa0 stateAsHalfLanes[40]
#define Asa1 stateAsHalfLanes[41]
#define Ase0 stateAsHalfLanes[42]
#define Ase1 stateAsHalfLanes[43]
#define Asi0 stateAsHalfLanes[44]
#define Asi1 stateAsHalfLanes[45]
#define Aso0 stateAsHalfLanes[46]
#define Aso1 stateAsHalfLanes[47]
#define Asu0 stateAsHalfLanes[48]
#define Asu1 stateAsHalfLanes[49]
do
{
/* --- Code for 4 rounds */
/* --- using factor 2 interleaving, 64-bit lanes mapped to 32-bit words */
KeccakAtoD_round0();
Ba = (Aba0^Da0);
Be = ROL32((Age0^De0), 22);
Bi = ROL32((Aki1^Di1), 22);
Bo = ROL32((Amo1^Do1), 11);
Bu = ROL32((Asu0^Du0), 7);
Aba0 = Ba ^((~Be)& Bi );
Aba0 ^= *(pRoundConstants++);
Age0 = Be ^((~Bi)& Bo );
Aki1 = Bi ^((~Bo)& Bu );
Amo1 = Bo ^((~Bu)& Ba );
Asu0 = Bu ^((~Ba)& Be );
Ba = (Aba1^Da1);
Be = ROL32((Age1^De1), 22);
Bi = ROL32((Aki0^Di0), 21);
Bo = ROL32((Amo0^Do0), 10);
Bu = ROL32((Asu1^Du1), 7);
Aba1 = Ba ^((~Be)& Bi );
Aba1 ^= *(pRoundConstants++);
Age1 = Be ^((~Bi)& Bo );
Aki0 = Bi ^((~Bo)& Bu );
Amo0 = Bo ^((~Bu)& Ba );
Asu1 = Bu ^((~Ba)& Be );
Bi = ROL32((Aka1^Da1), 2);
Bo = ROL32((Ame1^De1), 23);
Bu = ROL32((Asi1^Di1), 31);
Ba = ROL32((Abo0^Do0), 14);
Be = ROL32((Agu0^Du0), 10);
Aka1 = Ba ^((~Be)& Bi );
Ame1 = Be ^((~Bi)& Bo );
Asi1 = Bi ^((~Bo)& Bu );
Abo0 = Bo ^((~Bu)& Ba );
Agu0 = Bu ^((~Ba)& Be );
Bi = ROL32((Aka0^Da0), 1);
Bo = ROL32((Ame0^De0), 22);
Bu = ROL32((Asi0^Di0), 30);
Ba = ROL32((Abo1^Do1), 14);
Be = ROL32((Agu1^Du1), 10);
Aka0 = Ba ^((~Be)& Bi );
Ame0 = Be ^((~Bi)& Bo );
Asi0 = Bi ^((~Bo)& Bu );
Abo1 = Bo ^((~Bu)& Ba );
Agu1 = Bu ^((~Ba)& Be );
Bu = ROL32((Asa0^Da0), 9);
Ba = ROL32((Abe1^De1), 1);
Be = ROL32((Agi0^Di0), 3);
Bi = ROL32((Ako1^Do1), 13);
Bo = ROL32((Amu0^Du0), 4);
Asa0 = Ba ^((~Be)& Bi );
Abe1 = Be ^((~Bi)& Bo );
Agi0 = Bi ^((~Bo)& Bu );
Ako1 = Bo ^((~Bu)& Ba );
Amu0 = Bu ^((~Ba)& Be );
Bu = ROL32((Asa1^Da1), 9);
Ba = (Abe0^De0);
Be = ROL32((Agi1^Di1), 3);
Bi = ROL32((Ako0^Do0), 12);
Bo = ROL32((Amu1^Du1), 4);
Asa1 = Ba ^((~Be)& Bi );
Abe0 = Be ^((~Bi)& Bo );
Agi1 = Bi ^((~Bo)& Bu );
Ako0 = Bo ^((~Bu)& Ba );
Amu1 = Bu ^((~Ba)& Be );
Be = ROL32((Aga0^Da0), 18);
Bi = ROL32((Ake0^De0), 5);
Bo = ROL32((Ami1^Di1), 8);
Bu = ROL32((Aso0^Do0), 28);
Ba = ROL32((Abu1^Du1), 14);
Aga0 = Ba ^((~Be)& Bi );
Ake0 = Be ^((~Bi)& Bo );
Ami1 = Bi ^((~Bo)& Bu );
Aso0 = Bo ^((~Bu)& Ba );
Abu1 = Bu ^((~Ba)& Be );
Be = ROL32((Aga1^Da1), 18);
Bi = ROL32((Ake1^De1), 5);
Bo = ROL32((Ami0^Di0), 7);
Bu = ROL32((Aso1^Do1), 28);
Ba = ROL32((Abu0^Du0), 13);
Aga1 = Ba ^((~Be)& Bi );
Ake1 = Be ^((~Bi)& Bo );
Ami0 = Bi ^((~Bo)& Bu );
Aso1 = Bo ^((~Bu)& Ba );
Abu0 = Bu ^((~Ba)& Be );
Bo = ROL32((Ama1^Da1), 21);
Bu = ROL32((Ase0^De0), 1);
Ba = ROL32((Abi0^Di0), 31);
Be = ROL32((Ago1^Do1), 28);
Bi = ROL32((Aku1^Du1), 20);
Ama1 = Ba ^((~Be)& Bi );
Ase0 = Be ^((~Bi)& Bo );
Abi0 = Bi ^((~Bo)& Bu );
Ago1 = Bo ^((~Bu)& Ba );
Aku1 = Bu ^((~Ba)& Be );
Bo = ROL32((Ama0^Da0), 20);
Bu = ROL32((Ase1^De1), 1);
Ba = ROL32((Abi1^Di1), 31);
Be = ROL32((Ago0^Do0), 27);
Bi = ROL32((Aku0^Du0), 19);
Ama0 = Ba ^((~Be)& Bi );
Ase1 = Be ^((~Bi)& Bo );
Abi1 = Bi ^((~Bo)& Bu );
Ago0 = Bo ^((~Bu)& Ba );
Aku0 = Bu ^((~Ba)& Be );
KeccakAtoD_round1();
Ba = (Aba0^Da0);
Be = ROL32((Ame1^De0), 22);
Bi = ROL32((Agi1^Di1), 22);
Bo = ROL32((Aso1^Do1), 11);
Bu = ROL32((Aku1^Du0), 7);
Aba0 = Ba ^((~Be)& Bi );
Aba0 ^= *(pRoundConstants++);
Ame1 = Be ^((~Bi)& Bo );
Agi1 = Bi ^((~Bo)& Bu );
Aso1 = Bo ^((~Bu)& Ba );
Aku1 = Bu ^((~Ba)& Be );
Ba = (Aba1^Da1);
Be = ROL32((Ame0^De1), 22);
Bi = ROL32((Agi0^Di0), 21);
Bo = ROL32((Aso0^Do0), 10);
Bu = ROL32((Aku0^Du1), 7);
Aba1 = Ba ^((~Be)& Bi );
Aba1 ^= *(pRoundConstants++);
Ame0 = Be ^((~Bi)& Bo );
Agi0 = Bi ^((~Bo)& Bu );
Aso0 = Bo ^((~Bu)& Ba );
Aku0 = Bu ^((~Ba)& Be );
Bi = ROL32((Asa1^Da1), 2);
Bo = ROL32((Ake1^De1), 23);
Bu = ROL32((Abi1^Di1), 31);
Ba = ROL32((Amo1^Do0), 14);
Be = ROL32((Agu0^Du0), 10);
Asa1 = Ba ^((~Be)& Bi );
Ake1 = Be ^((~Bi)& Bo );
Abi1 = Bi ^((~Bo)& Bu );
Amo1 = Bo ^((~Bu)& Ba );
Agu0 = Bu ^((~Ba)& Be );
Bi = ROL32((Asa0^Da0), 1);
Bo = ROL32((Ake0^De0), 22);
Bu = ROL32((Abi0^Di0), 30);
Ba = ROL32((Amo0^Do1), 14);
Be = ROL32((Agu1^Du1), 10);
Asa0 = Ba ^((~Be)& Bi );
Ake0 = Be ^((~Bi)& Bo );
Abi0 = Bi ^((~Bo)& Bu );
Amo0 = Bo ^((~Bu)& Ba );
Agu1 = Bu ^((~Ba)& Be );
Bu = ROL32((Ama1^Da0), 9);
Ba = ROL32((Age1^De1), 1);
Be = ROL32((Asi1^Di0), 3);
Bi = ROL32((Ako0^Do1), 13);
Bo = ROL32((Abu1^Du0), 4);
Ama1 = Ba ^((~Be)& Bi );
Age1 = Be ^((~Bi)& Bo );
Asi1 = Bi ^((~Bo)& Bu );
Ako0 = Bo ^((~Bu)& Ba );
Abu1 = Bu ^((~Ba)& Be );
Bu = ROL32((Ama0^Da1), 9);
Ba = (Age0^De0);
Be = ROL32((Asi0^Di1), 3);
Bi = ROL32((Ako1^Do0), 12);
Bo = ROL32((Abu0^Du1), 4);
Ama0 = Ba ^((~Be)& Bi );
Age0 = Be ^((~Bi)& Bo );
Asi0 = Bi ^((~Bo)& Bu );
Ako1 = Bo ^((~Bu)& Ba );
Abu0 = Bu ^((~Ba)& Be );
Be = ROL32((Aka1^Da0), 18);
Bi = ROL32((Abe1^De0), 5);
Bo = ROL32((Ami0^Di1), 8);
Bu = ROL32((Ago1^Do0), 28);
Ba = ROL32((Asu1^Du1), 14);
Aka1 = Ba ^((~Be)& Bi );
Abe1 = Be ^((~Bi)& Bo );
Ami0 = Bi ^((~Bo)& Bu );
Ago1 = Bo ^((~Bu)& Ba );
Asu1 = Bu ^((~Ba)& Be );
Be = ROL32((Aka0^Da1), 18);
Bi = ROL32((Abe0^De1), 5);
Bo = ROL32((Ami1^Di0), 7);
Bu = ROL32((Ago0^Do1), 28);
Ba = ROL32((Asu0^Du0), 13);
Aka0 = Ba ^((~Be)& Bi );
Abe0 = Be ^((~Bi)& Bo );
Ami1 = Bi ^((~Bo)& Bu );
Ago0 = Bo ^((~Bu)& Ba );
Asu0 = Bu ^((~Ba)& Be );
Bo = ROL32((Aga1^Da1), 21);
Bu = ROL32((Ase0^De0), 1);
Ba = ROL32((Aki1^Di0), 31);
Be = ROL32((Abo1^Do1), 28);
Bi = ROL32((Amu1^Du1), 20);
Aga1 = Ba ^((~Be)& Bi );
Ase0 = Be ^((~Bi)& Bo );
Aki1 = Bi ^((~Bo)& Bu );
Abo1 = Bo ^((~Bu)& Ba );
Amu1 = Bu ^((~Ba)& Be );
Bo = ROL32((Aga0^Da0), 20);
Bu = ROL32((Ase1^De1), 1);
Ba = ROL32((Aki0^Di1), 31);
Be = ROL32((Abo0^Do0), 27);
Bi = ROL32((Amu0^Du0), 19);
Aga0 = Ba ^((~Be)& Bi );
Ase1 = Be ^((~Bi)& Bo );
Aki0 = Bi ^((~Bo)& Bu );
Abo0 = Bo ^((~Bu)& Ba );
Amu0 = Bu ^((~Ba)& Be );
KeccakAtoD_round2();
Ba = (Aba0^Da0);
Be = ROL32((Ake1^De0), 22);
Bi = ROL32((Asi0^Di1), 22);
Bo = ROL32((Ago0^Do1), 11);
Bu = ROL32((Amu1^Du0), 7);
Aba0 = Ba ^((~Be)& Bi );
Aba0 ^= *(pRoundConstants++);
Ake1 = Be ^((~Bi)& Bo );
Asi0 = Bi ^((~Bo)& Bu );
Ago0 = Bo ^((~Bu)& Ba );
Amu1 = Bu ^((~Ba)& Be );
Ba = (Aba1^Da1);
Be = ROL32((Ake0^De1), 22);
Bi = ROL32((Asi1^Di0), 21);
Bo = ROL32((Ago1^Do0), 10);
Bu = ROL32((Amu0^Du1), 7);
Aba1 = Ba ^((~Be)& Bi );
Aba1 ^= *(pRoundConstants++);
Ake0 = Be ^((~Bi)& Bo );
Asi1 = Bi ^((~Bo)& Bu );
Ago1 = Bo ^((~Bu)& Ba );
Amu0 = Bu ^((~Ba)& Be );
Bi = ROL32((Ama0^Da1), 2);
Bo = ROL32((Abe0^De1), 23);
Bu = ROL32((Aki0^Di1), 31);
Ba = ROL32((Aso1^Do0), 14);
Be = ROL32((Agu0^Du0), 10);
Ama0 = Ba ^((~Be)& Bi );
Abe0 = Be ^((~Bi)& Bo );
Aki0 = Bi ^((~Bo)& Bu );
Aso1 = Bo ^((~Bu)& Ba );
Agu0 = Bu ^((~Ba)& Be );
Bi = ROL32((Ama1^Da0), 1);
Bo = ROL32((Abe1^De0), 22);
Bu = ROL32((Aki1^Di0), 30);
Ba = ROL32((Aso0^Do1), 14);
Be = ROL32((Agu1^Du1), 10);
Ama1 = Ba ^((~Be)& Bi );
Abe1 = Be ^((~Bi)& Bo );
Aki1 = Bi ^((~Bo)& Bu );
Aso0 = Bo ^((~Bu)& Ba );
Agu1 = Bu ^((~Ba)& Be );
Bu = ROL32((Aga1^Da0), 9);
Ba = ROL32((Ame0^De1), 1);
Be = ROL32((Abi1^Di0), 3);
Bi = ROL32((Ako1^Do1), 13);
Bo = ROL32((Asu1^Du0), 4);
Aga1 = Ba ^((~Be)& Bi );
Ame0 = Be ^((~Bi)& Bo );
Abi1 = Bi ^((~Bo)& Bu );
Ako1 = Bo ^((~Bu)& Ba );
Asu1 = Bu ^((~Ba)& Be );
Bu = ROL32((Aga0^Da1), 9);
Ba = (Ame1^De0);
Be = ROL32((Abi0^Di1), 3);
Bi = ROL32((Ako0^Do0), 12);
Bo = ROL32((Asu0^Du1), 4);
Aga0 = Ba ^((~Be)& Bi );
Ame1 = Be ^((~Bi)& Bo );
Abi0 = Bi ^((~Bo)& Bu );
Ako0 = Bo ^((~Bu)& Ba );
Asu0 = Bu ^((~Ba)& Be );
Be = ROL32((Asa1^Da0), 18);
Bi = ROL32((Age1^De0), 5);
Bo = ROL32((Ami1^Di1), 8);
Bu = ROL32((Abo1^Do0), 28);
Ba = ROL32((Aku0^Du1), 14);
Asa1 = Ba ^((~Be)& Bi );
Age1 = Be ^((~Bi)& Bo );
Ami1 = Bi ^((~Bo)& Bu );
Abo1 = Bo ^((~Bu)& Ba );
Aku0 = Bu ^((~Ba)& Be );
Be = ROL32((Asa0^Da1), 18);
Bi = ROL32((Age0^De1), 5);
Bo = ROL32((Ami0^Di0), 7);
Bu = ROL32((Abo0^Do1), 28);
Ba = ROL32((Aku1^Du0), 13);
Asa0 = Ba ^((~Be)& Bi );
Age0 = Be ^((~Bi)& Bo );
Ami0 = Bi ^((~Bo)& Bu );
Abo0 = Bo ^((~Bu)& Ba );
Aku1 = Bu ^((~Ba)& Be );
Bo = ROL32((Aka0^Da1), 21);
Bu = ROL32((Ase0^De0), 1);
Ba = ROL32((Agi1^Di0), 31);
Be = ROL32((Amo0^Do1), 28);
Bi = ROL32((Abu0^Du1), 20);
Aka0 = Ba ^((~Be)& Bi );
Ase0 = Be ^((~Bi)& Bo );
Agi1 = Bi ^((~Bo)& Bu );
Amo0 = Bo ^((~Bu)& Ba );
Abu0 = Bu ^((~Ba)& Be );
Bo = ROL32((Aka1^Da0), 20);
Bu = ROL32((Ase1^De1), 1);
Ba = ROL32((Agi0^Di1), 31);
Be = ROL32((Amo1^Do0), 27);
Bi = ROL32((Abu1^Du0), 19);
Aka1 = Ba ^((~Be)& Bi );
Ase1 = Be ^((~Bi)& Bo );
Agi0 = Bi ^((~Bo)& Bu );
Amo1 = Bo ^((~Bu)& Ba );
Abu1 = Bu ^((~Ba)& Be );
KeccakAtoD_round3();
Ba = (Aba0^Da0);
Be = ROL32((Abe0^De0), 22);
Bi = ROL32((Abi0^Di1), 22);
Bo = ROL32((Abo0^Do1), 11);
Bu = ROL32((Abu0^Du0), 7);
Aba0 = Ba ^((~Be)& Bi );
Aba0 ^= *(pRoundConstants++);
Abe0 = Be ^((~Bi)& Bo );
Abi0 = Bi ^((~Bo)& Bu );
Abo0 = Bo ^((~Bu)& Ba );
Abu0 = Bu ^((~Ba)& Be );
Ba = (Aba1^Da1);
Be = ROL32((Abe1^De1), 22);
Bi = ROL32((Abi1^Di0), 21);
Bo = ROL32((Abo1^Do0), 10);
Bu = ROL32((Abu1^Du1), 7);
Aba1 = Ba ^((~Be)& Bi );