void KeccakP200_StatePermute(void *state, unsigned int nr)
{
displayStateAsBytes(1, "Input of permutation", (const unsigned char *)state);
for(nr=nrRounds-nr; nr<nrRounds; nr++)
KeccakF200Round(state, nr);
displayStateAsBytes(1, "State after permutation", (const unsigned char *)state);
}
void KeccakP200_StatePermute(void *state, unsigned int nr)
{
displayStateAsBytes(1, "Input of permutation", (const unsigned char *)state);
for(nr=nrRounds-nr; nr<nrRounds; nr++)
// CHANGE static cast added
KeccakF200Round(static_cast<tKeccakLane*>(state), nr);
displayStateAsBytes(1, "State after permutation", (const unsigned char *)state);
}
void KeccakP800_12_StatePermute(void *state)
{
#if (PLATFORM_BYTE_ORDER != IS_LITTLE_ENDIAN)
tKeccakLane stateAsWords[KeccakF_width/32];
#endif
displayStateAsBytes(1, "Input of permutation", (const unsigned char *)state);
#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
KeccakP800_12_OnWords((tKeccakLane*)state);
#else
fromBytesToWords(stateAsWords, (const unsigned char *)state);
KeccakP800_12_OnWords(stateAsWords);
fromWordsToBytes((unsigned char *)state, stateAsWords);
#endif
displayStateAsBytes(1, "State after permutation", (const unsigned char *)state);
}
void displayDuplexIntermediateValuesOne(FILE *f, unsigned int rate, unsigned int capacity)
{
Keccak_DuplexInstance duplex;
unsigned char input[512];
unsigned int inBitLen;
unsigned char output[512];
unsigned int outBitLen;
unsigned int i, j;
const unsigned int M = 239*251;
unsigned int x = 33;
Keccak_DuplexInitialize(&duplex, rate, capacity);
displayStateAsBytes(1, "Initial state", duplex.state);
for(i=0; i<=rate+120; i+=123) {
inBitLen = i;
if (inBitLen > (rate-2)) inBitLen = rate-2;
memset(input, 0, 512);
for(j=0; j<inBitLen; j++) {
x = (x*x) % M;
if ((x % 2) != 0)
input[j/8] |= 1 << (j%8);
}
{
char text[100];
sprintf(text, "Input (%d bits)", inBitLen);
displayBytes(1, text, input, (inBitLen+7)/8);
}
outBitLen = rate;
if ((inBitLen%8) == 0)
Keccak_Duplexing(&duplex, input, inBitLen/8, output, (outBitLen+7)/8, 0x01);
else
Keccak_Duplexing(&duplex, input, inBitLen/8, output, (outBitLen+7)/8, input[inBitLen/8] | (1 << (inBitLen%8)));
{
char text[100];
sprintf(text, "Output (%d bits)", outBitLen);
displayBytes(1, text, output, (outBitLen+7)/8);
}
}
}
void displaySpongeIntermediateValuesOne(const unsigned char *message, unsigned int messageLength, unsigned int rate, unsigned int capacity)
{
Keccak_SpongeInstance sponge;
unsigned char output[512];
unsigned char *messageInternal;
messageInternal = malloc((messageLength+7)/8);
alignLastByteOnLSB(message, messageInternal, messageLength);
displayBytes(1, "Input message (last byte aligned on MSB)", message, (messageLength+7)/8);
displayBits(2, "Input message (in bits)", message, messageLength, 1);
displayBits(2, "Input message (in bits, after the formal bit reordering)", messageInternal, messageLength, 0);
displayBytes(2, "Input message (last byte aligned on LSB)", messageInternal, (messageLength+7)/8);
Keccak_SpongeInitialize(&sponge, rate, capacity);
displayStateAsBytes(1, "Initial state", sponge.state);
Keccak_SpongeAbsorb(&sponge, messageInternal, messageLength/8);
if ((messageLength % 8) != 0)
Keccak_SpongeAbsorbLastFewBits(&sponge, messageInternal[messageLength/8] | (1 << (messageLength % 8)));
Keccak_SpongeSqueeze(&sponge, output, sizeof(output));
free(messageInternal);
}
