void performTestBitLevel(unsigned int rate, unsigned int capacity, unsigned char *checksum)
{
#define inputByteSize 512
#define outputByteSize 512
unsigned char input[inputByteSize];
unsigned char output[outputByteSize];
unsigned char acc[outputByteSize];
unsigned int inputBitLength;
/* Acumulated test vector */
memset(acc, 0x00, sizeof(acc));
for(inputBitLength = 0; inputBitLength <= (inputByteSize*8); inputBitLength += (inputBitLength < 1600) ? 1 : 8) {
unsigned int i;
unsigned int inputByteLengthCeiling = (inputBitLength + 7) / 8;
/* Preparing some input value */
for(i=0; i<inputByteLengthCeiling; i++)
input[i] = inputBitLength - i;
if ((inputBitLength % 8) != 0)
input[inputByteLengthCeiling-1] &= (1 << (inputBitLength % 8)) - 1;
if ((inputBitLength % 8) == 0) {
Keccak(rate, capacity, input, inputBitLength/8, 0x01, output, outputByteSize);
}
else {
unsigned char delimitedSuffix = input[inputByteLengthCeiling-1] | (1 << (inputBitLength % 8));
Keccak(rate, capacity, input, inputBitLength/8, delimitedSuffix, output, outputByteSize);
}
#ifdef VERBOSE
printf("Keccak[r=%d, c=%d]\n", rate, capacity);
printf("Input of %d bits:", inputBitLength);
for(i=0; i<inputByteLengthCeiling; i++)
printf(" %02x", (int)input[i]);
printf("\n");
printf("Output of %d bits:", outputByteSize*8);
for(i=0; i<outputByteSize; i++)
printf(" %02x", (int)output[i]);
printf("\n\n");
#endif
for (i = 0; i < outputByteSize; i++)
acc[i] ^= output[i];
Keccak(1344, 256, acc, outputByteSize, 0x1F, acc, outputByteSize);
}
memcpy(checksum, acc, outputByteSize);
#ifdef VERBOSE
{
unsigned int i;
printf("Keccak[r=%d, c=%d]\n", rate, capacity);
printf("Checksum: ", outputByteSize);
for(i=0; i<outputByteSize; i++)
printf("\\x%02x", (int)checksum[i]);
printf("\n\n");
}
#endif
}
void performTestByteLevel(unsigned int rate, unsigned int capacity, unsigned char delimitedSuffix, unsigned int outputByteLength, unsigned char *checksum)
{
#define inputByteSize 1024
#define outputByteSize 512
unsigned char input[inputByteSize];
unsigned char output[outputByteSize];
unsigned char acc[outputByteSize];
unsigned int inputByteLength;
assert(outputByteLength <= outputByteSize);
/* Acumulated test vector */
memset(acc, 0x00, sizeof(acc));
for(inputByteLength = 0; inputByteLength <= inputByteSize; inputByteLength++) {
unsigned int i;
/* Preparing some input value */
for(i=0; i<inputByteLength; i++)
input[i] = inputByteLength - i;
Keccak(rate, capacity, input, inputByteLength, delimitedSuffix, output, outputByteLength);
#ifdef VERBOSE
printf("Keccak[r=%d, c=%d] with suffix=%02x\n", rate, capacity, delimitedSuffix);
printf("Input of %d bytes:", inputByteLength);
for(i=0; i<inputByteLength; i++)
printf(" %02x", (int)input[i]);
printf("\n");
printf("Output of %d bytes:", outputByteLength);
for(i=0; i<outputByteLength; i++)
printf(" %02x", (int)output[i]);
printf("\n\n");
#endif
for (i = 0; i < outputByteLength; i++)
acc[i] ^= output[i];
Keccak(1344, 256, acc, outputByteLength, 0x1F, acc, outputByteLength);
}
memcpy(checksum, acc, outputByteLength);
#ifdef VERBOSE
{
unsigned int i;
printf("Keccak[r=%d, c=%d] with suffix=%02x and %d bytes of output\n", rate, capacity, delimitedSuffix, outputByteLength);
printf("Checksum: ", outputByteLength);
for(i=0; i<outputByteLength; i++)
printf("\\x%02x", (int)checksum[i]);
printf("\n\n");
}
#endif
}
/* Function to compute SHA3-512 on the input message. The output length is fixed to 64 bytes. */
static void FIPS202_SHA3_512( const unsigned char * input, HB_SIZE inputByteLen, unsigned char * output )
{
Keccak( 576, 1024, input, inputByteLen, 0x06, output, 64 );
}
/* Function to compute SHA3-384 on the input message. The output length is fixed to 48 bytes. */
static void FIPS202_SHA3_384( const unsigned char * input, HB_SIZE inputByteLen, unsigned char * output )
{
Keccak( 832, 768, input, inputByteLen, 0x06, output, 48 );
}
/* Function to compute SHA3-256 on the input message. The output length is fixed to 32 bytes. */
static void FIPS202_SHA3_256( const unsigned char * input, HB_SIZE inputByteLen, unsigned char * output )
{
Keccak( 1088, 512, input, inputByteLen, 0x06, output, 32 );
}
/* Function to compute SHA3-224 on the input message. The output length is fixed to 28 bytes. */
static void FIPS202_SHA3_224( const unsigned char * input, HB_SIZE inputByteLen, unsigned char * output )
{
Keccak( 1152, 448, input, inputByteLen, 0x06, output, 28 );
}
/* Function to compute SHAKE256 on the input message with any output length. */
static void FIPS202_SHAKE256( const unsigned char * input, HB_SIZE inputByteLen, unsigned char * output, HB_SIZE outputByteLen )
{
Keccak( 1088, 512, input, inputByteLen, 0x1F, output, outputByteLen );
}
/* Function to compute SHAKE128 on the input message with any output length. */
static void FIPS202_SHAKE128( const unsigned char * input, HB_SIZE inputByteLen, unsigned char * output, HB_SIZE outputByteLen )
{
Keccak( 1344, 256, input, inputByteLen, 0x1F, output, outputByteLen );
}
/**
* Function to compute SHAKE256 on the input message with any output length.
*/
void FIPS202_SHAKE256(const unsigned char *input, unsigned int inputByteLen, unsigned char *output, int outputByteLen)
{
Keccak(1088, 512, input, inputByteLen, 0x1F, output, outputByteLen);
}
/**
* Function to compute SHAKE128 on the input message with any output length.
*/
void FIPS202_SHAKE128(const unsigned char *input, unsigned int inputByteLen, unsigned char *output, int outputByteLen)
{
Keccak(1344, 256, input, inputByteLen, 0x1F, output, outputByteLen);
}
