GOSTSec
/
ccminer-gostd-lite
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
GOSTCoin CUDA miner project, compatible with most nvidia cards, containing only gostd algo
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
389 Commits
1 Branch
55 Tags
65 MiB
 
 
 
 
 
 
Tree: 37395eefe4
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '37395eefe4'
${ noResults }
ccminer-gostd-lite/lyra2/Sponge.c

755 lines
25 KiB
Raw Blame History

/**
* A simple implementation of Blake2b's internal permutation
* in the form of a sponge.
*
* Author: The Lyra PHC team (http://www.lyra-kdf.net/) -- 2014.
*
* This software is hereby placed in the public domain.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <string.h>
#include <stdio.h>
#include <time.h>
#include "Sponge.h"
#include "Lyra2.h"
/**
* Initializes the Sponge State. The first 512 bits are set to zeros and the remainder
* receive Blake2b's IV as per Blake2b's specification. <b>Note:</b> Even though sponges
* typically have their internal state initialized with zeros, Blake2b's G function
* has a fixed point: if the internal state and message are both filled with zeros. the
* resulting permutation will always be a block filled with zeros; this happens because
* Blake2b does not use the constants originally employed in Blake2 inside its G function,
* relying on the IV for avoiding possible fixed points.
*
* @param state The 1024-bit array to be initialized
*/
void initState(uint64_t state[/*16*/]) {
//First 512 bis are zeros
memset(state, 0, 64);
//Remainder BLOCK_LEN_BLAKE2_SAFE_BYTES are reserved to the IV
state[8] = blake2b_IV[0];
state[9] = blake2b_IV[1];
state[10] = blake2b_IV[2];
state[11] = blake2b_IV[3];
state[12] = blake2b_IV[4];
state[13] = blake2b_IV[5];
state[14] = blake2b_IV[6];
state[15] = blake2b_IV[7];
}
/**
* Execute Blake2b's G function, with all 12 rounds.
*
* @param v A 1024-bit (16 uint64_t) array to be processed by Blake2b's G function
*/
__inline static void blake2bLyra(uint64_t *v) {
ROUND_LYRA(0);
ROUND_LYRA(1);
ROUND_LYRA(2);
ROUND_LYRA(3);
ROUND_LYRA(4);
ROUND_LYRA(5);
ROUND_LYRA(6);
ROUND_LYRA(7);
ROUND_LYRA(8);
ROUND_LYRA(9);
ROUND_LYRA(10);
ROUND_LYRA(11);
}
/**
* Executes a reduced version of Blake2b's G function with only one round
* @param v A 1024-bit (16 uint64_t) array to be processed by Blake2b's G function
*/
__inline static void reducedBlake2bLyra(uint64_t *v) {
ROUND_LYRA(0);
}
/**
* Performs a squeeze operation, using Blake2b's G function as the
* internal permutation
*
* @param state The current state of the sponge
* @param out Array that will receive the data squeezed
* @param len The number of bytes to be squeezed into the "out" array
*/
void squeeze(uint64_t *state, byte *out, unsigned int len) {
int fullBlocks = len / BLOCK_LEN_BYTES;
byte *ptr = out;
int i;
//Squeezes full blocks
for (i = 0; i < fullBlocks; i++) {
memcpy(ptr, state, BLOCK_LEN_BYTES);
blake2bLyra(state);
ptr += BLOCK_LEN_BYTES;
}
//Squeezes remaining bytes
memcpy(ptr, state, (len % BLOCK_LEN_BYTES));
}
/**
* Performs an absorb operation for a single block (BLOCK_LEN_INT64 words
* of type uint64_t), using Blake2b's G function as the internal permutation
*
* @param state The current state of the sponge
* @param in The block to be absorbed (BLOCK_LEN_INT64 words)
*/
void absorbBlock(uint64_t *state, const uint64_t *in) {
//XORs the first BLOCK_LEN_INT64 words of "in" with the current state
state[0] ^= in[0];
state[1] ^= in[1];
state[2] ^= in[2];
state[3] ^= in[3];
state[4] ^= in[4];
state[5] ^= in[5];
state[6] ^= in[6];
state[7] ^= in[7];
state[8] ^= in[8];
state[9] ^= in[9];
state[10] ^= in[10];
state[11] ^= in[11];
//Applies the transformation f to the sponge's state
blake2bLyra(state);
}
/**
* Performs an absorb operation for a single block (BLOCK_LEN_BLAKE2_SAFE_INT64
* words of type uint64_t), using Blake2b's G function as the internal permutation
*
* @param state The current state of the sponge
* @param in The block to be absorbed (BLOCK_LEN_BLAKE2_SAFE_INT64 words)
*/
void absorbBlockBlake2Safe(uint64_t *state, const uint64_t *in) {
//XORs the first BLOCK_LEN_BLAKE2_SAFE_INT64 words of "in" with the current state
state[0] ^= in[0];
state[1] ^= in[1];
state[2] ^= in[2];
state[3] ^= in[3];
state[4] ^= in[4];
state[5] ^= in[5];
state[6] ^= in[6];
state[7] ^= in[7];
//Applies the transformation f to the sponge's state
blake2bLyra(state);
/*
for(int i = 0; i<16; i++) {
printf(" final state %d %08x %08x in %08x %08x\n", i, (uint32_t)(state[i] & 0xFFFFFFFFULL), (uint32_t)(state[i] >> 32),
(uint32_t)(in[i] & 0xFFFFFFFFULL), (uint32_t)(in[i] >> 32));
}
*/
}
/**
* Performs a reduced squeeze operation for a single row, from the highest to
* the lowest index, using the reduced-round Blake2b's G function as the
* internal permutation
*
* @param state The current state of the sponge
* @param rowOut Row to receive the data squeezed
*/
void reducedSqueezeRow0(uint64_t* state, uint64_t* rowOut) {
uint64_t* ptrWord = rowOut + (N_COLS-1)*BLOCK_LEN_INT64; //In Lyra2: pointer to M[0][C-1]
int i;
//M[row][C-1-col] = H.reduced_squeeze()
for (i = 0; i < N_COLS; i++) {
ptrWord[0] = state[0];
ptrWord[1] = state[1];
ptrWord[2] = state[2];
ptrWord[3] = state[3];
ptrWord[4] = state[4];
ptrWord[5] = state[5];
ptrWord[6] = state[6];
ptrWord[7] = state[7];
ptrWord[8] = state[8];
ptrWord[9] = state[9];
ptrWord[10] = state[10];
ptrWord[11] = state[11];
/*
for (int i = 0; i<12; i++) {
printf(" after reducedSqueezeRow0 %d %08x %08x in %08x %08x\n", i, (uint32_t)(ptrWord[i] & 0xFFFFFFFFULL), (uint32_t)(ptrWord[i] >> 32),
(uint32_t)(state[i] & 0xFFFFFFFFULL), (uint32_t)(state[i] >> 32));
}
*/
//Goes to next block (column) that will receive the squeezed data
ptrWord -= BLOCK_LEN_INT64;
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
}
}
/**
* Performs a reduced duplex operation for a single row, from the highest to
* the lowest index, using the reduced-round Blake2b's G function as the
* internal permutation
*
* @param state The current state of the sponge
* @param rowIn Row to feed the sponge
* @param rowOut Row to receive the sponge's output
*/
void reducedDuplexRow1(uint64_t *state, uint64_t *rowIn, uint64_t *rowOut) {
uint64_t* ptrWordIn = rowIn; //In Lyra2: pointer to prev
uint64_t* ptrWordOut = rowOut + (N_COLS-1)*BLOCK_LEN_INT64; //In Lyra2: pointer to row
int i;
for (i = 0; i < N_COLS; i++) {
//Absorbing "M[prev][col]"
state[0] ^= (ptrWordIn[0]);
state[1] ^= (ptrWordIn[1]);
state[2] ^= (ptrWordIn[2]);
state[3] ^= (ptrWordIn[3]);
state[4] ^= (ptrWordIn[4]);
state[5] ^= (ptrWordIn[5]);
state[6] ^= (ptrWordIn[6]);
state[7] ^= (ptrWordIn[7]);
state[8] ^= (ptrWordIn[8]);
state[9] ^= (ptrWordIn[9]);
state[10] ^= (ptrWordIn[10]);
state[11] ^= (ptrWordIn[11]);
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
//M[row][C-1-col] = M[prev][col] XOR rand
ptrWordOut[0] = ptrWordIn[0] ^ state[0];
ptrWordOut[1] = ptrWordIn[1] ^ state[1];
ptrWordOut[2] = ptrWordIn[2] ^ state[2];
ptrWordOut[3] = ptrWordIn[3] ^ state[3];
ptrWordOut[4] = ptrWordIn[4] ^ state[4];
ptrWordOut[5] = ptrWordIn[5] ^ state[5];
ptrWordOut[6] = ptrWordIn[6] ^ state[6];
ptrWordOut[7] = ptrWordIn[7] ^ state[7];
ptrWordOut[8] = ptrWordIn[8] ^ state[8];
ptrWordOut[9] = ptrWordIn[9] ^ state[9];
ptrWordOut[10] = ptrWordIn[10] ^ state[10];
ptrWordOut[11] = ptrWordIn[11] ^ state[11];
//Input: next column (i.e., next block in sequence)
ptrWordIn += BLOCK_LEN_INT64;
//Output: goes to previous column
ptrWordOut -= BLOCK_LEN_INT64;
}
}
/**
* Performs a duplexing operation over "M[rowInOut][col] [+] M[rowIn][col]" (i.e.,
* the wordwise addition of two columns, ignoring carries between words). The
* output of this operation, "rand", is then used to make
* "M[rowOut][(N_COLS-1)-col] = M[rowIn][col] XOR rand" and
* "M[rowInOut][col] = M[rowInOut][col] XOR rotW(rand)", where rotW is a 64-bit
* rotation to the left and N_COLS is a system parameter.
*
* @param state The current state of the sponge
* @param rowIn Row used only as input
* @param rowInOut Row used as input and to receive output after rotation
* @param rowOut Row receiving the output
*
*/
void reducedDuplexRowSetup(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut) {
uint64_t* ptrWordIn = rowIn; //In Lyra2: pointer to prev
uint64_t* ptrWordInOut = rowInOut; //In Lyra2: pointer to row*
uint64_t* ptrWordOut = rowOut + (N_COLS-1)*BLOCK_LEN_INT64; //In Lyra2: pointer to row
int i;
for (i = 0; i < N_COLS; i++) {
//Absorbing "M[prev] [+] M[row*]"
state[0] ^= (ptrWordIn[0] + ptrWordInOut[0]);
state[1] ^= (ptrWordIn[1] + ptrWordInOut[1]);
state[2] ^= (ptrWordIn[2] + ptrWordInOut[2]);
state[3] ^= (ptrWordIn[3] + ptrWordInOut[3]);
state[4] ^= (ptrWordIn[4] + ptrWordInOut[4]);
state[5] ^= (ptrWordIn[5] + ptrWordInOut[5]);
state[6] ^= (ptrWordIn[6] + ptrWordInOut[6]);
state[7] ^= (ptrWordIn[7] + ptrWordInOut[7]);
state[8] ^= (ptrWordIn[8] + ptrWordInOut[8]);
state[9] ^= (ptrWordIn[9] + ptrWordInOut[9]);
state[10] ^= (ptrWordIn[10] + ptrWordInOut[10]);
state[11] ^= (ptrWordIn[11] + ptrWordInOut[11]);
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
//M[row][col] = M[prev][col] XOR rand
ptrWordOut[0] = ptrWordIn[0] ^ state[0];
ptrWordOut[1] = ptrWordIn[1] ^ state[1];
ptrWordOut[2] = ptrWordIn[2] ^ state[2];
ptrWordOut[3] = ptrWordIn[3] ^ state[3];
ptrWordOut[4] = ptrWordIn[4] ^ state[4];
ptrWordOut[5] = ptrWordIn[5] ^ state[5];
ptrWordOut[6] = ptrWordIn[6] ^ state[6];
ptrWordOut[7] = ptrWordIn[7] ^ state[7];
ptrWordOut[8] = ptrWordIn[8] ^ state[8];
ptrWordOut[9] = ptrWordIn[9] ^ state[9];
ptrWordOut[10] = ptrWordIn[10] ^ state[10];
ptrWordOut[11] = ptrWordIn[11] ^ state[11];
//M[row*][col] = M[row*][col] XOR rotW(rand)
ptrWordInOut[0] ^= state[11];
ptrWordInOut[1] ^= state[0];
ptrWordInOut[2] ^= state[1];
ptrWordInOut[3] ^= state[2];
ptrWordInOut[4] ^= state[3];
ptrWordInOut[5] ^= state[4];
ptrWordInOut[6] ^= state[5];
ptrWordInOut[7] ^= state[6];
ptrWordInOut[8] ^= state[7];
ptrWordInOut[9] ^= state[8];
ptrWordInOut[10] ^= state[9];
ptrWordInOut[11] ^= state[10];
//Inputs: next column (i.e., next block in sequence)
ptrWordInOut += BLOCK_LEN_INT64;
ptrWordIn += BLOCK_LEN_INT64;
//Output: goes to previous column
ptrWordOut -= BLOCK_LEN_INT64;
}
}
/**
* Performs a duplexing operation over "M[rowInOut][col] [+] M[rowIn][col]" (i.e.,
* the wordwise addition of two columns, ignoring carries between words). The
* output of this operation, "rand", is then used to make
* "M[rowOut][col] = M[rowOut][col] XOR rand" and
* "M[rowInOut][col] = M[rowInOut][col] XOR rotW(rand)", where rotW is a 64-bit
* rotation to the left.
*
* @param state The current state of the sponge
* @param rowIn Row used only as input
* @param rowInOut Row used as input and to receive output after rotation
* @param rowOut Row receiving the output
*
*/
void reducedDuplexRow(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut) {
uint64_t* ptrWordInOut = rowInOut; //In Lyra2: pointer to row*
uint64_t* ptrWordIn = rowIn; //In Lyra2: pointer to prev
uint64_t* ptrWordOut = rowOut; //In Lyra2: pointer to row
int i;
for (i = 0; i < N_COLS; i++) {
//Absorbing "M[prev] [+] M[row*]"
state[0] ^= (ptrWordIn[0] + ptrWordInOut[0]);
state[1] ^= (ptrWordIn[1] + ptrWordInOut[1]);
state[2] ^= (ptrWordIn[2] + ptrWordInOut[2]);
state[3] ^= (ptrWordIn[3] + ptrWordInOut[3]);
state[4] ^= (ptrWordIn[4] + ptrWordInOut[4]);
state[5] ^= (ptrWordIn[5] + ptrWordInOut[5]);
state[6] ^= (ptrWordIn[6] + ptrWordInOut[6]);
state[7] ^= (ptrWordIn[7] + ptrWordInOut[7]);
state[8] ^= (ptrWordIn[8] + ptrWordInOut[8]);
state[9] ^= (ptrWordIn[9] + ptrWordInOut[9]);
state[10] ^= (ptrWordIn[10] + ptrWordInOut[10]);
state[11] ^= (ptrWordIn[11] + ptrWordInOut[11]);
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
//M[rowOut][col] = M[rowOut][col] XOR rand
ptrWordOut[0] ^= state[0];
ptrWordOut[1] ^= state[1];
ptrWordOut[2] ^= state[2];
ptrWordOut[3] ^= state[3];
ptrWordOut[4] ^= state[4];
ptrWordOut[5] ^= state[5];
ptrWordOut[6] ^= state[6];
ptrWordOut[7] ^= state[7];
ptrWordOut[8] ^= state[8];
ptrWordOut[9] ^= state[9];
ptrWordOut[10] ^= state[10];
ptrWordOut[11] ^= state[11];
//M[rowInOut][col] = M[rowInOut][col] XOR rotW(rand)
ptrWordInOut[0] ^= state[11];
ptrWordInOut[1] ^= state[0];
ptrWordInOut[2] ^= state[1];
ptrWordInOut[3] ^= state[2];
ptrWordInOut[4] ^= state[3];
ptrWordInOut[5] ^= state[4];
ptrWordInOut[6] ^= state[5];
ptrWordInOut[7] ^= state[6];
ptrWordInOut[8] ^= state[7];
ptrWordInOut[9] ^= state[8];
ptrWordInOut[10] ^= state[9];
ptrWordInOut[11] ^= state[10];
//Goes to next block
ptrWordOut += BLOCK_LEN_INT64;
ptrWordInOut += BLOCK_LEN_INT64;
ptrWordIn += BLOCK_LEN_INT64;
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Performs a duplex operation over "M[rowInOut] [+] M[rowIn]", writing the output "rand"
* on M[rowOut] and making "M[rowInOut] = M[rowInOut] XOR rotW(rand)", where rotW is a 64-bit
* rotation to the left.
*
* @param state The current state of the sponge
* @param rowIn Row used only as input
* @param rowInOut Row used as input and to receive output after rotation
* @param rowOut Row receiving the output
*
*/
/*
inline void reducedDuplexRowSetupOLD(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut) {
uint64_t* ptrWordIn = rowIn; //In Lyra2: pointer to prev
uint64_t* ptrWordInOut = rowInOut; //In Lyra2: pointer to row*
uint64_t* ptrWordOut = rowOut; //In Lyra2: pointer to row
int i;
for (i = 0; i < N_COLS; i++) {
//Absorbing "M[rowInOut] XOR M[rowIn]"
state[0] ^= ptrWordInOut[0] ^ ptrWordIn[0];
state[1] ^= ptrWordInOut[1] ^ ptrWordIn[1];
state[2] ^= ptrWordInOut[2] ^ ptrWordIn[2];
state[3] ^= ptrWordInOut[3] ^ ptrWordIn[3];
state[4] ^= ptrWordInOut[4] ^ ptrWordIn[4];
state[5] ^= ptrWordInOut[5] ^ ptrWordIn[5];
state[6] ^= ptrWordInOut[6] ^ ptrWordIn[6];
state[7] ^= ptrWordInOut[7] ^ ptrWordIn[7];
state[8] ^= ptrWordInOut[8] ^ ptrWordIn[8];
state[9] ^= ptrWordInOut[9] ^ ptrWordIn[9];
state[10] ^= ptrWordInOut[10] ^ ptrWordIn[10];
state[11] ^= ptrWordInOut[11] ^ ptrWordIn[11];
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
//M[row][col] = rand
ptrWordOut[0] = state[0];
ptrWordOut[1] = state[1];
ptrWordOut[2] = state[2];
ptrWordOut[3] = state[3];
ptrWordOut[4] = state[4];
ptrWordOut[5] = state[5];
ptrWordOut[6] = state[6];
ptrWordOut[7] = state[7];
ptrWordOut[8] = state[8];
ptrWordOut[9] = state[9];
ptrWordOut[10] = state[10];
ptrWordOut[11] = state[11];
//M[row*][col] = M[row*][col] XOR rotW(rand)
ptrWordInOut[0] ^= state[10];
ptrWordInOut[1] ^= state[11];
ptrWordInOut[2] ^= state[0];
ptrWordInOut[3] ^= state[1];
ptrWordInOut[4] ^= state[2];
ptrWordInOut[5] ^= state[3];
ptrWordInOut[6] ^= state[4];
ptrWordInOut[7] ^= state[5];
ptrWordInOut[8] ^= state[6];
ptrWordInOut[9] ^= state[7];
ptrWordInOut[10] ^= state[8];
ptrWordInOut[11] ^= state[9];
//Goes to next column (i.e., next block in sequence)
ptrWordInOut += BLOCK_LEN_INT64;
ptrWordIn += BLOCK_LEN_INT64;
ptrWordOut += BLOCK_LEN_INT64;
}
}
*/
/**
* Performs a duplex operation over "M[rowInOut] XOR M[rowIn]", writing the output "rand"
* on M[rowOut] and making "M[rowInOut] = M[rowInOut] XOR rotW(rand)", where rotW is a 64-bit
* rotation to the left.
*
* @param state The current state of the sponge
* @param rowIn Row used only as input
* @param rowInOut Row used as input and to receive output after rotation
* @param rowOut Row receiving the output
*
*/
/*
inline void reducedDuplexRowSetupv5(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut) {
uint64_t* ptrWordIn = rowIn; //In Lyra2: pointer to prev
uint64_t* ptrWordInOut = rowInOut; //In Lyra2: pointer to row*
uint64_t* ptrWordOut = rowOut; //In Lyra2: pointer to row
int i;
for (i = 0; i < N_COLS; i++) {
//Absorbing "M[rowInOut] XOR M[rowIn]"
state[0] ^= ptrWordInOut[0] + ptrWordIn[0];
state[1] ^= ptrWordInOut[1] + ptrWordIn[1];
state[2] ^= ptrWordInOut[2] + ptrWordIn[2];
state[3] ^= ptrWordInOut[3] + ptrWordIn[3];
state[4] ^= ptrWordInOut[4] + ptrWordIn[4];
state[5] ^= ptrWordInOut[5] + ptrWordIn[5];
state[6] ^= ptrWordInOut[6] + ptrWordIn[6];
state[7] ^= ptrWordInOut[7] + ptrWordIn[7];
state[8] ^= ptrWordInOut[8] + ptrWordIn[8];
state[9] ^= ptrWordInOut[9] + ptrWordIn[9];
state[10] ^= ptrWordInOut[10] + ptrWordIn[10];
state[11] ^= ptrWordInOut[11] + ptrWordIn[11];
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
//M[row*][col] = M[row*][col] XOR rotW(rand)
ptrWordInOut[0] ^= state[10];
ptrWordInOut[1] ^= state[11];
ptrWordInOut[2] ^= state[0];
ptrWordInOut[3] ^= state[1];
ptrWordInOut[4] ^= state[2];
ptrWordInOut[5] ^= state[3];
ptrWordInOut[6] ^= state[4];
ptrWordInOut[7] ^= state[5];
ptrWordInOut[8] ^= state[6];
ptrWordInOut[9] ^= state[7];
ptrWordInOut[10] ^= state[8];
ptrWordInOut[11] ^= state[9];
//M[row][col] = rand
ptrWordOut[0] = state[0] ^ ptrWordIn[0];
ptrWordOut[1] = state[1] ^ ptrWordIn[1];
ptrWordOut[2] = state[2] ^ ptrWordIn[2];
ptrWordOut[3] = state[3] ^ ptrWordIn[3];
ptrWordOut[4] = state[4] ^ ptrWordIn[4];
ptrWordOut[5] = state[5] ^ ptrWordIn[5];
ptrWordOut[6] = state[6] ^ ptrWordIn[6];
ptrWordOut[7] = state[7] ^ ptrWordIn[7];
ptrWordOut[8] = state[8] ^ ptrWordIn[8];
ptrWordOut[9] = state[9] ^ ptrWordIn[9];
ptrWordOut[10] = state[10] ^ ptrWordIn[10];
ptrWordOut[11] = state[11] ^ ptrWordIn[11];
//Goes to next column (i.e., next block in sequence)
ptrWordInOut += BLOCK_LEN_INT64;
ptrWordIn += BLOCK_LEN_INT64;
ptrWordOut += BLOCK_LEN_INT64;
}
}
*/
/**
* Performs a duplex operation over "M[rowInOut] XOR M[rowIn]", writing the output "rand"
* on M[rowOut] and making "M[rowInOut] = M[rowInOut] XOR rotW(rand)", where rotW is a 64-bit
* rotation to the left.
*
* @param state The current state of the sponge
* @param rowIn Row used only as input
* @param rowInOut Row used as input and to receive output after rotation
* @param rowOut Row receiving the output
*
*/
/*
inline void reducedDuplexRowSetupv5c(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut) {
uint64_t* ptrWordIn = rowIn; //In Lyra2: pointer to prev
uint64_t* ptrWordInOut = rowInOut; //In Lyra2: pointer to row*
uint64_t* ptrWordOut = rowOut;
int i;
for (i = 0; i < N_COLS / 2; i++) {
//Absorbing "M[rowInOut] XOR M[rowIn]"
state[0] ^= ptrWordInOut[0] + ptrWordIn[0];
state[1] ^= ptrWordInOut[1] + ptrWordIn[1];
state[2] ^= ptrWordInOut[2] + ptrWordIn[2];
state[3] ^= ptrWordInOut[3] + ptrWordIn[3];
state[4] ^= ptrWordInOut[4] + ptrWordIn[4];
state[5] ^= ptrWordInOut[5] + ptrWordIn[5];
state[6] ^= ptrWordInOut[6] + ptrWordIn[6];
state[7] ^= ptrWordInOut[7] + ptrWordIn[7];
state[8] ^= ptrWordInOut[8] + ptrWordIn[8];
state[9] ^= ptrWordInOut[9] + ptrWordIn[9];
state[10] ^= ptrWordInOut[10] + ptrWordIn[10];
state[11] ^= ptrWordInOut[11] + ptrWordIn[11];
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
//M[row*][col] = M[row*][col] XOR rotW(rand)
ptrWordInOut[0] ^= state[10];
ptrWordInOut[1] ^= state[11];
ptrWordInOut[2] ^= state[0];
ptrWordInOut[3] ^= state[1];
ptrWordInOut[4] ^= state[2];
ptrWordInOut[5] ^= state[3];
ptrWordInOut[6] ^= state[4];
ptrWordInOut[7] ^= state[5];
ptrWordInOut[8] ^= state[6];
ptrWordInOut[9] ^= state[7];
ptrWordInOut[10] ^= state[8];
ptrWordInOut[11] ^= state[9];
//M[row][col] = rand
ptrWordOut[0] = state[0] ^ ptrWordIn[0];
ptrWordOut[1] = state[1] ^ ptrWordIn[1];
ptrWordOut[2] = state[2] ^ ptrWordIn[2];
ptrWordOut[3] = state[3] ^ ptrWordIn[3];
ptrWordOut[4] = state[4] ^ ptrWordIn[4];
ptrWordOut[5] = state[5] ^ ptrWordIn[5];
ptrWordOut[6] = state[6] ^ ptrWordIn[6];
ptrWordOut[7] = state[7] ^ ptrWordIn[7];
ptrWordOut[8] = state[8] ^ ptrWordIn[8];
ptrWordOut[9] = state[9] ^ ptrWordIn[9];
ptrWordOut[10] = state[10] ^ ptrWordIn[10];
ptrWordOut[11] = state[11] ^ ptrWordIn[11];
//Goes to next column (i.e., next block in sequence)
ptrWordInOut += BLOCK_LEN_INT64;
ptrWordIn += BLOCK_LEN_INT64;
ptrWordOut += 2 * BLOCK_LEN_INT64;
}
ptrWordOut = rowOut + BLOCK_LEN_INT64;
for (i = 0; i < N_COLS / 2; i++) {
//Absorbing "M[rowInOut] XOR M[rowIn]"
state[0] ^= ptrWordInOut[0] + ptrWordIn[0];
state[1] ^= ptrWordInOut[1] + ptrWordIn[1];
state[2] ^= ptrWordInOut[2] + ptrWordIn[2];
state[3] ^= ptrWordInOut[3] + ptrWordIn[3];
state[4] ^= ptrWordInOut[4] + ptrWordIn[4];
state[5] ^= ptrWordInOut[5] + ptrWordIn[5];
state[6] ^= ptrWordInOut[6] + ptrWordIn[6];
state[7] ^= ptrWordInOut[7] + ptrWordIn[7];
state[8] ^= ptrWordInOut[8] + ptrWordIn[8];
state[9] ^= ptrWordInOut[9] + ptrWordIn[9];
state[10] ^= ptrWordInOut[10] + ptrWordIn[10];
state[11] ^= ptrWordInOut[11] + ptrWordIn[11];
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
//M[row*][col] = M[row*][col] XOR rotW(rand)
ptrWordInOut[0] ^= state[10];
ptrWordInOut[1] ^= state[11];
ptrWordInOut[2] ^= state[0];
ptrWordInOut[3] ^= state[1];
ptrWordInOut[4] ^= state[2];
ptrWordInOut[5] ^= state[3];
ptrWordInOut[6] ^= state[4];
ptrWordInOut[7] ^= state[5];
ptrWordInOut[8] ^= state[6];
ptrWordInOut[9] ^= state[7];
ptrWordInOut[10] ^= state[8];
ptrWordInOut[11] ^= state[9];
//M[row][col] = rand
ptrWordOut[0] = state[0] ^ ptrWordIn[0];
ptrWordOut[1] = state[1] ^ ptrWordIn[1];
ptrWordOut[2] = state[2] ^ ptrWordIn[2];
ptrWordOut[3] = state[3] ^ ptrWordIn[3];
ptrWordOut[4] = state[4] ^ ptrWordIn[4];
ptrWordOut[5] = state[5] ^ ptrWordIn[5];
ptrWordOut[6] = state[6] ^ ptrWordIn[6];
ptrWordOut[7] = state[7] ^ ptrWordIn[7];
ptrWordOut[8] = state[8] ^ ptrWordIn[8];
ptrWordOut[9] = state[9] ^ ptrWordIn[9];
ptrWordOut[10] = state[10] ^ ptrWordIn[10];
ptrWordOut[11] = state[11] ^ ptrWordIn[11];
//Goes to next column (i.e., next block in sequence)
ptrWordInOut += BLOCK_LEN_INT64;
ptrWordIn += BLOCK_LEN_INT64;
ptrWordOut += 2 * BLOCK_LEN_INT64;
}
}
*/
/**
* Performs a duplex operation over "M[rowInOut] XOR M[rowIn]", using the output "rand"
* to make "M[rowOut][col] = M[rowOut][col] XOR rand" and "M[rowInOut] = M[rowInOut] XOR rotW(rand)",
* where rotW is a 64-bit rotation to the left.
*
* @param state The current state of the sponge
* @param rowIn Row used only as input
* @param rowInOut Row used as input and to receive output after rotation
* @param rowOut Row receiving the output
*
*/
/*
inline void reducedDuplexRowd(uint64_t *state, uint64_t *rowIn, uint64_t *rowInOut, uint64_t *rowOut) {
uint64_t* ptrWordInOut = rowInOut; //In Lyra2: pointer to row*
uint64_t* ptrWordIn = rowIn; //In Lyra2: pointer to prev
uint64_t* ptrWordOut = rowOut; //In Lyra2: pointer to row
int i;
for (i = 0; i < N_COLS; i++) {
//Absorbing "M[rowInOut] XOR M[rowIn]"
state[0] ^= ptrWordInOut[0] + ptrWordIn[0];
state[1] ^= ptrWordInOut[1] + ptrWordIn[1];
state[2] ^= ptrWordInOut[2] + ptrWordIn[2];
state[3] ^= ptrWordInOut[3] + ptrWordIn[3];
state[4] ^= ptrWordInOut[4] + ptrWordIn[4];
state[5] ^= ptrWordInOut[5] + ptrWordIn[5];
state[6] ^= ptrWordInOut[6] + ptrWordIn[6];
state[7] ^= ptrWordInOut[7] + ptrWordIn[7];
state[8] ^= ptrWordInOut[8] + ptrWordIn[8];
state[9] ^= ptrWordInOut[9] + ptrWordIn[9];
state[10] ^= ptrWordInOut[10] + ptrWordIn[10];
state[11] ^= ptrWordInOut[11] + ptrWordIn[11];
//Applies the reduced-round transformation f to the sponge's state
reducedBlake2bLyra(state);
//M[rowOut][col] = M[rowOut][col] XOR rand
ptrWordOut[0] ^= state[0];
ptrWordOut[1] ^= state[1];
ptrWordOut[2] ^= state[2];
ptrWordOut[3] ^= state[3];
ptrWordOut[4] ^= state[4];
ptrWordOut[5] ^= state[5];
ptrWordOut[6] ^= state[6];
ptrWordOut[7] ^= state[7];
ptrWordOut[8] ^= state[8];
ptrWordOut[9] ^= state[9];
ptrWordOut[10] ^= state[10];
ptrWordOut[11] ^= state[11];
//M[rowInOut][col] = M[rowInOut][col] XOR rotW(rand)
//Goes to next block
ptrWordOut += BLOCK_LEN_INT64;
ptrWordInOut += BLOCK_LEN_INT64;
ptrWordIn += BLOCK_LEN_INT64;
}
}
*/
/**
Prints an array of unsigned chars
*/
void printArray(unsigned char *array, unsigned int size, char *name) {
unsigned int i;
printf("%s: ", name);
for (i = 0; i < size; i++) {
printf("%2x|", array[i]);
}
printf("\n");
}
////////////////////////////////////////////////////////////////////////////////////////////////