OpenCL GPU miner
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// NeoScrypt(128, 2, 1) with Salsa20/20 and ChaCha20/20
// By Wolf (Wolf0 aka Wolf9466)
// Stupid AMD compiler ignores the unroll pragma in these two
// Tahiti 3/2,
// Hawaii 4/4 + notneededswap
// Pitcairn 3/4 + notneededswap
#if defined(__Tahiti__)
#define SALSA_SMALL_UNROLL 4
#define CHACHA_SMALL_UNROLL 2
//#define SWAP 1
//#define SHITMAIN 1
//#define WIDE_STRIPE 1
#elif defined(__Pitcairn__)
#define SALSA_SMALL_UNROLL 3
#define CHACHA_SMALL_UNROLL 2
//#define SWAP 1
//#define SHITMAIN 1
//#define WIDE_STRIPE 1
#else
#define SALSA_SMALL_UNROLL 4
#define CHACHA_SMALL_UNROLL 4
//#define SWAP 1
//#define SHITMAIN 1
//#define WIDE_STRIPE 1
#endif
// If SMALL_BLAKE2S is defined, BLAKE2S_UNROLL is interpreted
// as the unroll factor; must divide cleanly into ten.
// Usually a bad idea.
//#define SMALL_BLAKE2S
//#define BLAKE2S_UNROLL 5
#define BLOCK_SIZE 64U
#define FASTKDF_BUFFER_SIZE 256U
#ifndef PASSWORD_LEN
#define PASSWORD_LEN 80U
#endif
#if !defined(cl_khr_byte_addressable_store)
#error "Device does not support unaligned stores"
#endif
// Swaps 128 bytes at a time without using temp vars
void SwapBytes128(void *restrict A, void *restrict B, uint len)
{
#pragma unroll 2
for(int i = 0; i < (len >> 7); ++i)
{
((ulong16 *)A)[i] ^= ((ulong16 *)B)[i];
((ulong16 *)B)[i] ^= ((ulong16 *)A)[i];
((ulong16 *)A)[i] ^= ((ulong16 *)B)[i];
}
}
void CopyBytes128(void *restrict dst, const void *restrict src, uint len)
{
#pragma unroll 2
for(int i = 0; i < len; ++i)
((ulong16 *)dst)[i] = ((ulong16 *)src)[i];
}
void CopyBytes(void *restrict dst, const void *restrict src, uint len)
{
for(int i = 0; i < len; ++i)
((uchar *)dst)[i] = ((uchar *)src)[i];
}
void XORBytesInPlace(void *restrict dst, const void *restrict src, uint len)
{
for(int i = 0; i < len; ++i)
((uchar *)dst)[i] ^= ((uchar *)src)[i];
}
void XORBytes(void *restrict dst, const void *restrict src1, const void *restrict src2, uint len)
{
#pragma unroll 1
for(int i = 0; i < len; ++i)
((uchar *)dst)[i] = ((uchar *)src1)[i] ^ ((uchar *)src2)[i];
}
// Blake2S
#define BLAKE2S_BLOCK_SIZE 64U
#define BLAKE2S_OUT_SIZE 32U
#define BLAKE2S_KEY_SIZE 32U
static const __constant uint BLAKE2S_IV[8] =
{
0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A,
0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19
};
static const __constant uchar BLAKE2S_SIGMA[10][16] =
{
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } ,
{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } ,
{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } ,
{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } ,
{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } ,
{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } ,
{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } ,
{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } ,
{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } ,
{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } ,
};
#define BLAKE_G(idx0, idx1, a, b, c, d, key) do { \
a += b + key[BLAKE2S_SIGMA[idx0][idx1]]; \
d = rotate(d ^ a, 16U); \
c += d; \
b = rotate(b ^ c, 20U); \
a += b + key[BLAKE2S_SIGMA[idx0][idx1 + 1]]; \
d = rotate(d ^ a, 24U); \
c += d; \
b = rotate(b ^ c, 25U); \
} while(0)
#define BLAKE_PARALLEL_G1(idx0, a, b, c, d, key) do { \
a += b + (uint4)(key[BLAKE2S_SIGMA[idx0][0]], key[BLAKE2S_SIGMA[idx0][2]], key[BLAKE2S_SIGMA[idx0][4]], key[BLAKE2S_SIGMA[idx0][6]]); \
d = rotate(d ^ a, 16U); \
c += d; \
b = rotate(b ^ c, 20U); \
a += b + (uint4)(key[BLAKE2S_SIGMA[idx0][1]], key[BLAKE2S_SIGMA[idx0][3]], key[BLAKE2S_SIGMA[idx0][5]], key[BLAKE2S_SIGMA[idx0][7]]); \
d = rotate(d ^ a, 24U); \
c += d; \
b = rotate(b ^ c, 25U); \
} while(0)
#define BLAKE_PARALLEL_G2(idx0, a, b, c, d, key) do { \
a += b + (uint4)(key[BLAKE2S_SIGMA[idx0][8]], key[BLAKE2S_SIGMA[idx0][10]], key[BLAKE2S_SIGMA[idx0][12]], key[BLAKE2S_SIGMA[idx0][14]]); \
d = rotate(d ^ a, 16U); \
c += d; \
b = rotate(b ^ c, 20U); \
a += b + (uint4)(key[BLAKE2S_SIGMA[idx0][9]], key[BLAKE2S_SIGMA[idx0][11]], key[BLAKE2S_SIGMA[idx0][13]], key[BLAKE2S_SIGMA[idx0][15]]); \
d = rotate(d ^ a, 24U); \
c += d; \
b = rotate(b ^ c, 25U); \
} while(0)
void Blake2S(uint *restrict inout, const uint *restrict inkey)
{
uint16 V;
uint8 tmpblock;
// Load first block (IV into V.lo) and constants (IV into V.hi)
V.lo = V.hi = vload8(0U, BLAKE2S_IV);
// XOR with initial constant
V.s0 ^= 0x01012020;
// Copy input block for later
tmpblock = V.lo;
// XOR length of message so far (including this block)
// There are two uints for this field, but high uint is zero
V.sc ^= BLAKE2S_BLOCK_SIZE;
// Compress state, using the key as the key
#ifdef SMALL_BLAKE2S
#pragma unroll BLAKE2S_UNROLL
#else
#pragma unroll
#endif
for(int x = 0; x < 10; ++x)
{
/*BLAKE_G(x, 0x00, V.s0, V.s4, V.s8, V.sc, inkey);
BLAKE_G(x, 0x02, V.s1, V.s5, V.s9, V.sd, inkey);
BLAKE_G(x, 0x04, V.s2, V.s6, V.sa, V.se, inkey);
BLAKE_G(x, 0x06, V.s3, V.s7, V.sb, V.sf, inkey);
BLAKE_G(x, 0x08, V.s0, V.s5, V.sa, V.sf, inkey);
BLAKE_G(x, 0x0A, V.s1, V.s6, V.sb, V.sc, inkey);
BLAKE_G(x, 0x0C, V.s2, V.s7, V.s8, V.sd, inkey);
BLAKE_G(x, 0x0E, V.s3, V.s4, V.s9, V.se, inkey);*/
BLAKE_PARALLEL_G1(x, V.s0123, V.s4567, V.s89ab, V.scdef, inkey);
BLAKE_PARALLEL_G2(x, V.s0123, V.s5674, V.sab89, V.sfcde, inkey);
}
// XOR low part of state with the high part,
// then with the original input block.
V.lo ^= V.hi ^ tmpblock;
// Load constants (IV into V.hi)
V.hi = vload8(0U, BLAKE2S_IV);
// Copy input block for later
tmpblock = V.lo;
// XOR length of message into block again
V.sc ^= BLAKE2S_BLOCK_SIZE << 1;
// Last block compression - XOR final constant into state
V.se ^= 0xFFFFFFFFU;
// Compress block, using the input as the key
#ifdef SMALL_BLAKE2S
#pragma unroll BLAKE2S_UNROLL
#else
#pragma unroll
#endif
for(int x = 0; x < 10; ++x)
{
/*BLAKE_G(x, 0x00, V.s0, V.s4, V.s8, V.sc, inout);
BLAKE_G(x, 0x02, V.s1, V.s5, V.s9, V.sd, inout);
BLAKE_G(x, 0x04, V.s2, V.s6, V.sa, V.se, inout);
BLAKE_G(x, 0x06, V.s3, V.s7, V.sb, V.sf, inout);
BLAKE_G(x, 0x08, V.s0, V.s5, V.sa, V.sf, inout);
BLAKE_G(x, 0x0A, V.s1, V.s6, V.sb, V.sc, inout);
BLAKE_G(x, 0x0C, V.s2, V.s7, V.s8, V.sd, inout);
BLAKE_G(x, 0x0E, V.s3, V.s4, V.s9, V.se, inout);*/
BLAKE_PARALLEL_G1(x, V.s0123, V.s4567, V.s89ab, V.scdef, inout);
BLAKE_PARALLEL_G2(x, V.s0123, V.s5674, V.sab89, V.sfcde, inout);
}
// XOR low part of state with high part, then with input block
V.lo ^= V.hi ^ tmpblock;
// Store result in input/output buffer
vstore8(V.lo, 0, inout);
}
/* FastKDF, a fast buffered key derivation function:
* FASTKDF_BUFFER_SIZE must be a power of 2;
* password_len, salt_len and output_len should not exceed FASTKDF_BUFFER_SIZE;
* prf_output_size must be <= prf_key_size; */
void fastkdf(const uchar *restrict password, const uchar *restrict salt, const uint salt_len, uchar *restrict output, uint output_len)
{
/* WARNING!
* This algorithm uses byte-wise addressing for memory blocks.
* Or in other words, trying to copy an unaligned memory region
* will significantly slow down the algorithm, when copying uses
* words or bigger entities. It even may corrupt the data, when
* the device does not support it properly.
* Therefore use byte copying, which will not the fastest but at
* least get reliable results. */
// BLOCK_SIZE 64U
// FASTKDF_BUFFER_SIZE 256U
// BLAKE2S_BLOCK_SIZE 64U
// BLAKE2S_KEY_SIZE 32U
// BLAKE2S_OUT_SIZE 32U
uchar bufidx = 0;
uint8 Abuffer[9], Bbuffer[9] = { (uint8)(0) };
uchar *A = (uchar *)Abuffer, *B = (uchar *)Bbuffer;
// Initialize the password buffer
#pragma unroll 1
for(int i = 0; i < (FASTKDF_BUFFER_SIZE >> 3); ++i) ((ulong *)A)[i] = ((ulong *)password)[i % 10];
((uint16 *)(A + FASTKDF_BUFFER_SIZE))[0] = ((uint16 *)password)[0];
// Initialize the salt buffer
if(salt_len == FASTKDF_BUFFER_SIZE)
{
((ulong16 *)B)[0] = ((ulong16 *)B)[2] = ((ulong16 *)salt)[0];
((ulong16 *)B)[1] = ((ulong16 *)B)[3] = ((ulong16 *)salt)[1];
}
else
{
// salt_len is 80 bytes here
#pragma unroll 1
for(int i = 0; i < (FASTKDF_BUFFER_SIZE >> 3); ++i) ((ulong *)B)[i] = ((ulong *)salt)[i % 10];
// Initialized the rest to zero earlier
#pragma unroll 1
for(int i = 0; i < 10; ++i) ((ulong *)(B + FASTKDF_BUFFER_SIZE))[i] = ((ulong *)salt)[i];
}
// The primary iteration
#pragma unroll 1
for(int i = 0; i < 32; ++i)
{
// Make the key buffer twice the size of the key so it fits a Blake2S block
// This way, we don't need a temp buffer in the Blake2S function.
uchar input[BLAKE2S_BLOCK_SIZE] __attribute__((aligned)), key[BLAKE2S_BLOCK_SIZE] __attribute__((aligned)) = { 0 };
// Copy input and key to their buffers
CopyBytes(input, A + bufidx, BLAKE2S_BLOCK_SIZE);
CopyBytes(key, B + bufidx, BLAKE2S_KEY_SIZE);
// PRF
//Blake2S((uint *)input, (uint *)key);
uint *inkey = (uint *)key, *inout = (uint *)input;
// PRF
uint16 V;
uint8 tmpblock;
// Load first block (IV into V.lo) and constants (IV into V.hi)
V.lo = V.hi = vload8(0U, BLAKE2S_IV);
// XOR with initial constant
V.s0 ^= 0x01012020;
// Copy input block for later
tmpblock = V.lo;
// XOR length of message so far (including this block)
// There are two uints for this field, but high uint is zero
V.sc ^= BLAKE2S_BLOCK_SIZE;
// Compress state, using the key as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V.s0123, V.s4567, V.s89ab, V.scdef, inkey);
BLAKE_PARALLEL_G2(x, V.s0123, V.s5674, V.sab89, V.sfcde, inkey);
}
// XOR low part of state with the high part,
// then with the original input block.
V.lo ^= V.hi ^ tmpblock;
// Load constants (IV into V.hi)
V.hi = vload8(0U, BLAKE2S_IV);
// Copy input block for later
tmpblock = V.lo;
// XOR length of message into block again
V.sc ^= BLAKE2S_BLOCK_SIZE << 1;
// Last block compression - XOR final constant into state
V.se ^= 0xFFFFFFFFU;
// Compress block, using the input as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V.s0123, V.s4567, V.s89ab, V.scdef, inout);
BLAKE_PARALLEL_G2(x, V.s0123, V.s5674, V.sab89, V.sfcde, inout);
}
// XOR low part of state with high part, then with input block
V.lo ^= V.hi ^ tmpblock;
// Store result in input/output buffer
vstore8(V.lo, 0, inout);
// Calculate the next buffer pointer
bufidx = 0;
for(int x = 0; x < BLAKE2S_OUT_SIZE; ++x)
bufidx += input[x];
// bufidx a uchar now - always mod 255
//bufidx &= (FASTKDF_BUFFER_SIZE - 1);
// Modify the salt buffer
XORBytesInPlace(B + bufidx, input, BLAKE2S_OUT_SIZE);
if(bufidx < BLAKE2S_KEY_SIZE)
{
// Head modified, tail updated
// this was made off the original code... wtf
//CopyBytes(B + FASTKDF_BUFFER_SIZE + bufidx, B + bufidx, min(BLAKE2S_OUT_SIZE, BLAKE2S_KEY_SIZE - bufidx));
CopyBytes(B + FASTKDF_BUFFER_SIZE + bufidx, B + bufidx, BLAKE2S_KEY_SIZE - bufidx);
}
else if((FASTKDF_BUFFER_SIZE - bufidx) < BLAKE2S_OUT_SIZE)
{
// Tail modified, head updated
CopyBytes(B, B + FASTKDF_BUFFER_SIZE, BLAKE2S_OUT_SIZE - (FASTKDF_BUFFER_SIZE - bufidx));
}
}
// Modify and copy into the output buffer
// Damned compiler crashes
// Fuck you, AMD
//for(uint i = 0; i < output_len; ++i, ++bufidx)
// output[i] = B[bufidx] ^ A[i];
uint left = FASTKDF_BUFFER_SIZE - bufidx;
//uint left = (~bufidx) + 1
if(left < output_len)
{
XORBytes(output, B + bufidx, A, left);
XORBytes(output + left, B, A + left, output_len - left);
}
else
{
XORBytes(output, B + bufidx, A, output_len);
}
}
/* FastKDF, a fast buffered key derivation function:
* FASTKDF_BUFFER_SIZE must be a power of 2;
* password_len, salt_len and output_len should not exceed FASTKDF_BUFFER_SIZE;
* prf_output_size must be <= prf_key_size; */
void fastkdf1(const uchar password[80], uchar output[256])
{
/* WARNING!
* This algorithm uses byte-wise addressing for memory blocks.
* Or in other words, trying to copy an unaligned memory region
* will significantly slow down the algorithm, when copying uses
* words or bigger entities. It even may corrupt the data, when
* the device does not support it properly.
* Therefore use byte copying, which will not the fastest but at
* least get reliable results. */
// BLOCK_SIZE 64U
// FASTKDF_BUFFER_SIZE 256U
// BLAKE2S_BLOCK_SIZE 64U
// BLAKE2S_KEY_SIZE 32U
// BLAKE2S_OUT_SIZE 32U
uchar bufidx = 0;
uint8 Abuffer[9], Bbuffer[9] = { (uint8)(0) };
uchar *A = (uchar *)Abuffer, *B = (uchar *)Bbuffer;
// Initialize the password buffer
#pragma unroll 1
for(int i = 0; i < (FASTKDF_BUFFER_SIZE >> 3); ++i) ((ulong *)B)[i] = ((ulong *)A)[i] = ((ulong *)password)[i % 10];
((uint16 *)(B + FASTKDF_BUFFER_SIZE))[0] = ((uint16 *)(A + FASTKDF_BUFFER_SIZE))[0] = ((uint16 *)password)[0];
// The primary iteration
#pragma unroll 1
for(int i = 0; i < 32; ++i)
{
// Make the key buffer twice the size of the key so it fits a Blake2S block
// This way, we don't need a temp buffer in the Blake2S function.
uchar input[BLAKE2S_BLOCK_SIZE] __attribute__((aligned)), key[BLAKE2S_BLOCK_SIZE] __attribute__((aligned)) = { 0 };
// Copy input and key to their buffers
CopyBytes(input, A + bufidx, BLAKE2S_BLOCK_SIZE);
CopyBytes(key, B + bufidx, BLAKE2S_KEY_SIZE);
uint *inkey = (uint *)key, *inout = (uint *)input;
#ifndef __Hawaii__
// PRF
uint4 V[4];
uint8 tmpblock;
tmpblock = vload8(0U, BLAKE2S_IV);
V[0] = V[2] = tmpblock.lo;
V[1] = V[3] = tmpblock.hi;
V[0].s0 ^= 0x01012020U;
tmpblock.lo = V[0];
V[3].s0 ^= BLAKE2S_BLOCK_SIZE;
// Compress state, using the key as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V[0], V[1], V[2], V[3], inkey);
BLAKE_PARALLEL_G2(x, V[0], V[1].s1230, V[2].s2301, V[3].s3012, inkey);
}
V[0] ^= V[2] ^ tmpblock.lo;
V[1] ^= V[3] ^ tmpblock.hi;
V[2] = vload4(0U, BLAKE2S_IV);
V[3] = vload4(1U, BLAKE2S_IV);
tmpblock.lo = V[0];
tmpblock.hi = V[1];
V[3].s0 ^= BLAKE2S_BLOCK_SIZE << 1;
V[3].s2 ^= 0xFFFFFFFFU;
// Compress block, using the input as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V[0], V[1], V[2], V[3], inout);
BLAKE_PARALLEL_G2(x, V[0], V[1].s1230, V[2].s2301, V[3].s3012, inout);
}
V[0] ^= V[2] ^ tmpblock.lo;
V[1] ^= V[3] ^ tmpblock.hi;
vstore4(V[0], 0, inout);
vstore4(V[1], 1, inout);
#else
// PRF
uint16 V;
uint8 tmpblock;
// Load first block (IV into V.lo) and constants (IV into V.hi)
V.lo = V.hi = vload8(0U, BLAKE2S_IV);
// XOR with initial constant
V.s0 ^= 0x01012020;
// Copy input block for later
tmpblock = V.lo;
// XOR length of message so far (including this block)
// There are two uints for this field, but high uint is zero
V.sc ^= BLAKE2S_BLOCK_SIZE;
// Compress state, using the key as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V.s0123, V.s4567, V.s89ab, V.scdef, inkey);
BLAKE_PARALLEL_G2(x, V.s0123, V.s5674, V.sab89, V.sfcde, inkey);
}
// XOR low part of state with the high part,
// then with the original input block.
V.lo ^= V.hi ^ tmpblock;
// Load constants (IV into V.hi)
V.hi = vload8(0U, BLAKE2S_IV);
// Copy input block for later
tmpblock = V.lo;
// XOR length of message into block again
V.sc ^= BLAKE2S_BLOCK_SIZE << 1;
// Last block compression - XOR final constant into state
V.se ^= 0xFFFFFFFFU;
// Compress block, using the input as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V.s0123, V.s4567, V.s89ab, V.scdef, inout);
BLAKE_PARALLEL_G2(x, V.s0123, V.s5674, V.sab89, V.sfcde, inout);
}
// XOR low part of state with high part, then with input block
V.lo ^= V.hi ^ tmpblock;
// Store result in input/output buffer
vstore8(V.lo, 0, inout);
#endif
// Calculate the next buffer pointer
bufidx = 0;
for(int x = 0; x < BLAKE2S_OUT_SIZE; ++x)
bufidx += input[x];
// bufidx a uchar now - always mod 255
//bufidx &= (FASTKDF_BUFFER_SIZE - 1);
// Modify the salt buffer
XORBytesInPlace(B + bufidx, input, BLAKE2S_OUT_SIZE);
if(bufidx < BLAKE2S_KEY_SIZE)
{
// Head modified, tail updated
// this was made off the original code... wtf
//CopyBytes(B + FASTKDF_BUFFER_SIZE + bufidx, B + bufidx, min(BLAKE2S_OUT_SIZE, BLAKE2S_KEY_SIZE - bufidx));
CopyBytes(B + FASTKDF_BUFFER_SIZE + bufidx, B + bufidx, BLAKE2S_KEY_SIZE - bufidx);
}
else if((FASTKDF_BUFFER_SIZE - bufidx) < BLAKE2S_OUT_SIZE)
{
// Tail modified, head updated
CopyBytes(B, B + FASTKDF_BUFFER_SIZE, BLAKE2S_OUT_SIZE - (FASTKDF_BUFFER_SIZE - bufidx));
}
}
// Modify and copy into the output buffer
// Damned compiler crashes
// Fuck you, AMD
//for(uint i = 0; i < output_len; ++i, ++bufidx)
// output[i] = B[bufidx] ^ A[i];
uint left = FASTKDF_BUFFER_SIZE - bufidx;
//uint left = (~bufidx) + 1
if(left < 256)
{
XORBytes(output, B + bufidx, A, left);
XORBytes(output + left, B, A + left, 256 - left);
}
else
{
XORBytes(output, B + bufidx, A, 256);
}
}
/* FastKDF, a fast buffered key derivation function:
* FASTKDF_BUFFER_SIZE must be a power of 2;
* password_len, salt_len and output_len should not exceed FASTKDF_BUFFER_SIZE;
* prf_output_size must be <= prf_key_size; */
void fastkdf2(const uchar password[80], const uchar salt[256], __global uint* restrict output, const uint target)
{
/* WARNING!
* This algorithm uses byte-wise addressing for memory blocks.
* Or in other words, trying to copy an unaligned memory region
* will significantly slow down the algorithm, when copying uses
* words or bigger entities. It even may corrupt the data, when
* the device does not support it properly.
* Therefore use byte copying, which will not the fastest but at
* least get reliable results. */
// BLOCK_SIZE 64U
// FASTKDF_BUFFER_SIZE 256U
// BLAKE2S_BLOCK_SIZE 64U
// BLAKE2S_KEY_SIZE 32U
// BLAKE2S_OUT_SIZE 32U
// salt_len == 256, output_len == 32
uchar bufidx = 0;
uint8 Abuffer[9], Bbuffer[9] = { (uint8)(0) };
uchar *A = (uchar *)Abuffer, *B = (uchar *)Bbuffer;
//uchar A[256], B[256];
// Initialize the password buffer
#pragma unroll 1
for(int i = 0; i < (FASTKDF_BUFFER_SIZE >> 3); ++i) ((ulong *)A)[i] = ((ulong *)password)[i % 10];
((uint16 *)(A + FASTKDF_BUFFER_SIZE))[0] = ((uint16 *)password)[0];
// Initialize the salt buffer
((ulong16 *)B)[0] = ((ulong16 *)B)[2] = ((ulong16 *)salt)[0];
((ulong16 *)B)[1] = ((ulong16 *)B)[3] = ((ulong16 *)salt)[1];
// The primary iteration
#pragma unroll 1
for(int i = 0; i < 32; ++i)
{
// Make the key buffer twice the size of the key so it fits a Blake2S block
// This way, we don't need a temp buffer in the Blake2S function.
uchar input[BLAKE2S_BLOCK_SIZE] __attribute__((aligned)), key[BLAKE2S_BLOCK_SIZE] __attribute__((aligned)) = { 0 };
// Copy input and key to their buffers
CopyBytes(input, A + bufidx, BLAKE2S_BLOCK_SIZE);
CopyBytes(key, B + bufidx, BLAKE2S_KEY_SIZE);
uint *inkey = (uint *)key, *inout = (uint *)input;
#ifndef __Hawaii__
// PRF
uint4 V[4];
uint8 tmpblock;
tmpblock = vload8(0U, BLAKE2S_IV);
V[0] = V[2] = tmpblock.lo;
V[1] = V[3] = tmpblock.hi;
V[0].s0 ^= 0x01012020U;
tmpblock.lo = V[0];
V[3].s0 ^= BLAKE2S_BLOCK_SIZE;
// Compress state, using the key as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V[0], V[1], V[2], V[3], inkey);
BLAKE_PARALLEL_G2(x, V[0], V[1].s1230, V[2].s2301, V[3].s3012, inkey);
}
V[0] ^= V[2] ^ tmpblock.lo;
V[1] ^= V[3] ^ tmpblock.hi;
V[2] = vload4(0U, BLAKE2S_IV);
V[3] = vload4(1U, BLAKE2S_IV);
tmpblock.lo = V[0];
tmpblock.hi = V[1];
V[3].s0 ^= BLAKE2S_BLOCK_SIZE << 1;
V[3].s2 ^= 0xFFFFFFFFU;
// Compress block, using the input as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V[0], V[1], V[2], V[3], inout);
BLAKE_PARALLEL_G2(x, V[0], V[1].s1230, V[2].s2301, V[3].s3012, inout);
}
V[0] ^= V[2] ^ tmpblock.lo;
V[1] ^= V[3] ^ tmpblock.hi;
vstore4(V[0], 0, inout);
vstore4(V[1], 1, inout);
#else
// PRF
uint16 V;
uint8 tmpblock;
// Load first block (IV into V.lo) and constants (IV into V.hi)
V.lo = V.hi = vload8(0U, BLAKE2S_IV);
// XOR with initial constant
V.s0 ^= 0x01012020;
// Copy input block for later
tmpblock = V.lo;
// XOR length of message so far (including this block)
// There are two uints for this field, but high uint is zero
V.sc ^= BLAKE2S_BLOCK_SIZE;
// Compress state, using the key as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V.s0123, V.s4567, V.s89ab, V.scdef, inkey);
BLAKE_PARALLEL_G2(x, V.s0123, V.s5674, V.sab89, V.sfcde, inkey);
}
// XOR low part of state with the high part,
// then with the original input block.
V.lo ^= V.hi ^ tmpblock;
// Load constants (IV into V.hi)
V.hi = vload8(0U, BLAKE2S_IV);
// Copy input block for later
tmpblock = V.lo;
// XOR length of message into block again
V.sc ^= BLAKE2S_BLOCK_SIZE << 1;
// Last block compression - XOR final constant into state
V.se ^= 0xFFFFFFFFU;
// Compress block, using the input as the key
#pragma unroll
for(int x = 0; x < 10; ++x)
{
BLAKE_PARALLEL_G1(x, V.s0123, V.s4567, V.s89ab, V.scdef, inout);
BLAKE_PARALLEL_G2(x, V.s0123, V.s5674, V.sab89, V.sfcde, inout);
}
// XOR low part of state with high part, then with input block
V.lo ^= V.hi ^ tmpblock;
// Store result in input/output buffer
vstore8(V.lo, 0, inout);
#endif
// Calculate the next buffer pointer
bufidx = 0;
for(int x = 0; x < BLAKE2S_OUT_SIZE; ++x)
bufidx += input[x];
// bufidx a uchar now - always mod 255
//bufidx &= (FASTKDF_BUFFER_SIZE - 1);
// Modify the salt buffer
XORBytesInPlace(B + bufidx, input, BLAKE2S_OUT_SIZE);
if(bufidx < BLAKE2S_KEY_SIZE)
{
// Head modified, tail updated
// this was made off the original code... wtf
//CopyBytes(B + FASTKDF_BUFFER_SIZE + bufidx, B + bufidx, min(BLAKE2S_OUT_SIZE, BLAKE2S_KEY_SIZE - bufidx));
CopyBytes(B + FASTKDF_BUFFER_SIZE + bufidx, B + bufidx, BLAKE2S_KEY_SIZE - bufidx);
}
else if((FASTKDF_BUFFER_SIZE - bufidx) < BLAKE2S_OUT_SIZE)
{
// Tail modified, head updated
CopyBytes(B, B + FASTKDF_BUFFER_SIZE, BLAKE2S_OUT_SIZE - (FASTKDF_BUFFER_SIZE - bufidx));
}
}
// Modify and copy into the output buffer
// Damned compiler crashes
// Fuck you, AMD
uchar outbuf[32];
for(uint i = 0; i < 32; ++i, ++bufidx)
outbuf[i] = B[bufidx] ^ A[i];
/*uint left = FASTKDF_BUFFER_SIZE - bufidx;
//uint left = (~bufidx) + 1
uchar outbuf[32];
if(left < 32)
{
XORBytes(outbuf, B + bufidx, A, left);
XORBytes(outbuf + left, B, A + left, 32 - left);
}
else
{
XORBytes(outbuf, B + bufidx, A, 32);
}*/
if(((uint *)outbuf)[7] <= target) output[atomic_add(output + 0xFF, 1)] = get_global_id(0);
}
/*
s0 s1 s2 s3
s4 s5 s6 s7
s8 s9 sa sb
sc sd se sf
shittify:
s0=s4
s1=s9
s2=se
s3=s3
s4=s8
s5=sd
s6=s2
s7=s7
s8=sc
s9=s1
sa=s6
sb=sb
sc=s0
sd=s5
se=sa
sf=sf
unshittify:
s0=sc
s1=s9
s2=s6
s3=s3
s4=s0
s5=sd
s6=sa
s7=s7
s8=s4
s9=s1
sa=se
sb=sb
sc=s8
sd=s5
se=s2
sf=sf
*/
#define SALSA_CORE(state) do { \
state[0] ^= rotate(state[3] + state[2], 7U); \
state[1] ^= rotate(state[0] + state[3], 9U); \
state[2] ^= rotate(state[1] + state[0], 13U); \
state[3] ^= rotate(state[2] + state[1], 18U); \
state[2] ^= rotate(state[3].wxyz + state[0].zwxy, 7U); \
state[1] ^= rotate(state[2].wxyz + state[3].zwxy, 9U); \
state[0] ^= rotate(state[1].wxyz + state[2].zwxy, 13U); \
state[3] ^= rotate(state[0].wxyz + state[1].zwxy, 18U); \
} while(0)
#define SALSA_CORE_SCALAR(state) do { \
state.s4 ^= rotate(state.s0 + state.sc, 7U); state.s8 ^= rotate(state.s4 + state.s0, 9U); state.sc ^= rotate(state.s8 + state.s4, 13U); state.s0 ^= rotate(state.sc + state.s8, 18U); \
state.s9 ^= rotate(state.s5 + state.s1, 7U); state.sd ^= rotate(state.s9 + state.s5, 9U); state.s1 ^= rotate(state.sd + state.s9, 13U); state.s5 ^= rotate(state.s1 + state.sd, 18U); \
state.se ^= rotate(state.sa + state.s6, 7U); state.s2 ^= rotate(state.se + state.sa, 9U); state.s6 ^= rotate(state.s2 + state.se, 13U); state.sa ^= rotate(state.s6 + state.s2, 18U); \
state.s3 ^= rotate(state.sf + state.sb, 7U); state.s7 ^= rotate(state.s3 + state.sf, 9U); state.sb ^= rotate(state.s7 + state.s3, 13U); state.sf ^= rotate(state.sb + state.s7, 18U); \
state.s1 ^= rotate(state.s0 + state.s3, 7U); state.s2 ^= rotate(state.s1 + state.s0, 9U); state.s3 ^= rotate(state.s2 + state.s1, 13U); state.s0 ^= rotate(state.s3 + state.s2, 18U); \
state.s6 ^= rotate(state.s5 + state.s4, 7U); state.s7 ^= rotate(state.s6 + state.s5, 9U); state.s4 ^= rotate(state.s7 + state.s6, 13U); state.s5 ^= rotate(state.s4 + state.s7, 18U); \
state.sb ^= rotate(state.sa + state.s9, 7U); state.s8 ^= rotate(state.sb + state.sa, 9U); state.s9 ^= rotate(state.s8 + state.sb, 13U); state.sa ^= rotate(state.s9 + state.s8, 18U); \
state.sc ^= rotate(state.sf + state.se, 7U); state.sd ^= rotate(state.sc + state.sf, 9U); state.se ^= rotate(state.sd + state.sc, 13U); state.sf ^= rotate(state.se + state.sd, 18U); \
} while(0)
uint16 salsa_small_parallel_rnd(uint16 X)
{
#ifndef SHITMAIN
uint4 st[4] = { (uint4)(X.s4, X.s9, X.se, X.s3),
(uint4)(X.s8, X.sd, X.s2, X.s7),
(uint4)(X.sc, X.s1, X.s6, X.sb),
(uint4)(X.s0, X.s5, X.sa, X.sf) };
#else
uint4 st[4];
((uint16 *)st)[0] = X;
#endif
#if SALSA_SMALL_UNROLL == 1
for(int i = 0; i < 10; ++i)
{
SALSA_CORE(st);
}
#elif SALSA_SMALL_UNROLL == 2
for(int i = 0; i < 5; ++i)
{
SALSA_CORE(st);
SALSA_CORE(st);
}
#elif SALSA_SMALL_UNROLL == 3
for(int i = 0; i < 4; ++i)
{
SALSA_CORE(st);
if(i == 3) break;
SALSA_CORE(st);
SALSA_CORE(st);
}
#elif SALSA_SMALL_UNROLL == 4
for(int i = 0; i < 3; ++i)
{
SALSA_CORE(st);
SALSA_CORE(st);
if(i == 2) break;
SALSA_CORE(st);
SALSA_CORE(st);
}
#elif SALSA_SMALL_UNROLL == 5
for(int i = 0; i < 2; ++i)
{
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
}
#else
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
SALSA_CORE(st);
#endif
#ifndef SHITMAIN
return(X + (uint16)(
st[3].x, st[2].y, st[1].z, st[0].w,
st[0].x, st[3].y, st[2].z, st[1].w,
st[1].x, st[0].y, st[3].z, st[2].w,
st[2].x, st[1].y, st[0].z, st[3].w));
#else
return(X + ((uint16 *)st)[0]);
#endif
}
uint16 salsa_small_scalar_rnd(uint16 X)
{
uint16 st = X;
#if SALSA_SMALL_UNROLL == 1
for(int i = 0; i < 10; ++i)
{
SALSA_CORE_SCALAR(st);
}
#elif SALSA_SMALL_UNROLL == 2
for(int i = 0; i < 5; ++i)
{
SALSA_CORE_SCALAR(st);
SALSA_CORE_SCALAR(st);
}
#elif SALSA_SMALL_UNROLL == 3
for(int i = 0; i < 4; ++i)
{
SALSA_CORE_SCALAR(st);
if(i == 3) break;
SALSA_CORE_SCALAR(st);
SALSA_CORE_SCALAR(st);
}
#elif SALSA_SMALL_UNROLL == 4
for(int i = 0; i < 3; ++i)
{
SALSA_CORE_SCALAR(st);
SALSA_CORE_SCALAR(st);
if(i == 2) break;
SALSA_CORE_SCALAR(st);
SALSA_CORE_SCALAR(st);
}
#else
for(int i = 0; i < 2; ++i)
{
SALSA_CORE_SCALAR(st);
SALSA_CORE_SCALAR(st);
SALSA_CORE_SCALAR(st);
SALSA_CORE_SCALAR(st);
SALSA_CORE_SCALAR(st);
}
#endif
return(X + st);
}
#define CHACHA_CORE_PARALLEL(state) do { \
state[0] += state[1]; state[3] = rotate(state[3] ^ state[0], 16U); \
state[2] += state[3]; state[1] = rotate(state[1] ^ state[2], 12U); \
state[0] += state[1]; state[3] = rotate(state[3] ^ state[0], 8U); \
state[2] += state[3]; state[1] = rotate(state[1] ^ state[2], 7U); \
\
state[0] += state[1].yzwx; state[3].wxyz = rotate(state[3].wxyz ^ state[0], 16); \
state[2].zwxy += state[3].wxyz; state[1].yzwx = rotate(state[1].yzwx ^ state[2].zwxy, 12U); \
state[0] += state[1].yzwx; state[3].wxyz = rotate(state[3].wxyz ^ state[0], 8U); \
state[2].zwxy += state[3].wxyz; state[1].yzwx = rotate(state[1].yzwx ^ state[2].zwxy, 7U); \
} while(0)
#define CHACHA_CORE(state) do { \
state.s0 += state.s4; state.sc = as_uint(as_ushort2(state.sc ^ state.s0).s10); state.s8 += state.sc; state.s4 = rotate(state.s4 ^ state.s8, 12U); state.s0 += state.s4; state.sc = rotate(state.sc ^ state.s0, 8U); state.s8 += state.sc; state.s4 = rotate(state.s4 ^ state.s8, 7U); \
state.s1 += state.s5; state.sd = as_uint(as_ushort2(state.sd ^ state.s1).s10); state.s9 += state.sd; state.s5 = rotate(state.s5 ^ state.s9, 12U); state.s1 += state.s5; state.sd = rotate(state.sd ^ state.s1, 8U); state.s9 += state.sd; state.s5 = rotate(state.s5 ^ state.s9, 7U); \
state.s2 += state.s6; state.se = as_uint(as_ushort2(state.se ^ state.s2).s10); state.sa += state.se; state.s6 = rotate(state.s6 ^ state.sa, 12U); state.s2 += state.s6; state.se = rotate(state.se ^ state.s2, 8U); state.sa += state.se; state.s6 = rotate(state.s6 ^ state.sa, 7U); \
state.s3 += state.s7; state.sf = as_uint(as_ushort2(state.sf ^ state.s3).s10); state.sb += state.sf; state.s7 = rotate(state.s7 ^ state.sb, 12U); state.s3 += state.s7; state.sf = rotate(state.sf ^ state.s3, 8U); state.sb += state.sf; state.s7 = rotate(state.s7 ^ state.sb, 7U); \
state.s0 += state.s5; state.sf = as_uint(as_ushort2(state.sf ^ state.s0).s10); state.sa += state.sf; state.s5 = rotate(state.s5 ^ state.sa, 12U); state.s0 += state.s5; state.sf = rotate(state.sf ^ state.s0, 8U); state.sa += state.sf; state.s5 = rotate(state.s5 ^ state.sa, 7U); \
state.s1 += state.s6; state.sc = as_uint(as_ushort2(state.sc ^ state.s1).s10); state.sb += state.sc; state.s6 = rotate(state.s6 ^ state.sb, 12U); state.s1 += state.s6; state.sc = rotate(state.sc ^ state.s1, 8U); state.sb += state.sc; state.s6 = rotate(state.s6 ^ state.sb, 7U); \
state.s2 += state.s7; state.sd = as_uint(as_ushort2(state.sd ^ state.s2).s10); state.s8 += state.sd; state.s7 = rotate(state.s7 ^ state.s8, 12U); state.s2 += state.s7; state.sd = rotate(state.sd ^ state.s2, 8U); state.s8 += state.sd; state.s7 = rotate(state.s7 ^ state.s8, 7U); \
state.s3 += state.s4; state.se = as_uint(as_ushort2(state.se ^ state.s3).s10); state.s9 += state.se; state.s4 = rotate(state.s4 ^ state.s9, 12U); state.s3 += state.s4; state.se = rotate(state.se ^ state.s3, 8U); state.s9 += state.se; state.s4 = rotate(state.s4 ^ state.s9, 7U); \
} while(0)
uint16 chacha_small_parallel_rnd(uint16 X)
{
uint4 st[4];
((uint16 *)st)[0] = X;
#if CHACHA_SMALL_UNROLL == 1
for(int i = 0; i < 10; ++i)
{
CHACHA_CORE_PARALLEL(st);
}
#elif CHACHA_SMALL_UNROLL == 2
for(int i = 0; i < 5; ++i)
{
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
}
#elif CHACHA_SMALL_UNROLL == 3
for(int i = 0; i < 4; ++i)
{
CHACHA_CORE_PARALLEL(st);
if(i == 3) break;
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
}
#elif CHACHA_SMALL_UNROLL == 4
for(int i = 0; i < 3; ++i)
{
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
if(i == 2) break;
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
}
#elif CHACHA_SMALL_UNROLL == 5
for(int i = 0; i < 2; ++i)
{
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
}
#else
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
CHACHA_CORE_PARALLEL(st);
#endif
return(X + ((uint16 *)st)[0]);
}
uint16 chacha_small_scalar_rnd(uint16 X)
{
uint16 st = X;
#if CHACHA_SMALL_UNROLL == 1
for(int i = 0; i < 10; ++i)
{
CHACHA_CORE(st);
}
#elif CHACHA_SMALL_UNROLL == 2
for(int i = 0; i < 5; ++i)
{
CHACHA_CORE(st);
CHACHA_CORE(st);
}
#elif CHACHA_SMALL_UNROLL == 3
for(int i = 0; i < 4; ++i)
{
CHACHA_CORE(st);
if(i == 3) break;
CHACHA_CORE(st);
CHACHA_CORE(st);
}
#elif CHACHA_SMALL_UNROLL == 4
for(int i = 0; i < 3; ++i)
{
CHACHA_CORE(st);
CHACHA_CORE(st);
if(i == 2) break;
CHACHA_CORE(st);
CHACHA_CORE(st);
}
#elif CHACHA_SMALL_UNROLL == 5
for(int i = 0; i < 2; ++i)
{
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
}
#else
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
CHACHA_CORE(st);
#endif
return(X + st);
}
void neoscrypt_blkmix_salsa(uint16 XV[4])
{
/* NeoScrypt flow: Scrypt flow:
Xa ^= Xd; M(Xa'); Ya = Xa"; Xa ^= Xb; M(Xa'); Ya = Xa";
Xb ^= Xa"; M(Xb'); Yb = Xb"; Xb ^= Xa"; M(Xb'); Yb = Xb";
Xc ^= Xb"; M(Xc'); Yc = Xc"; Xa" = Ya;
Xd ^= Xc"; M(Xd'); Yd = Xd"; Xb" = Yb;
Xa" = Ya; Xb" = Yc;
Xc" = Yb; Xd" = Yd; */
#if 0
for(int i = 0; i < 4; ++i) XV[i] = (uint16)(
XV[i].s4, XV[i].s9, XV[i].se, XV[i].s3, XV[i].s8, XV[i].sd, XV[i].s2, XV[i].s7,
XV[i].sc, XV[i].s1, XV[i].s6, XV[i].sb, XV[i].s0, XV[i].s5, XV[i].sa, XV[i].sf);
#endif
XV[0] ^= XV[3];
XV[0] = salsa_small_parallel_rnd(XV[0]); XV[1] ^= XV[0];
XV[1] = salsa_small_parallel_rnd(XV[1]); XV[2] ^= XV[1];
XV[2] = salsa_small_parallel_rnd(XV[2]); XV[3] ^= XV[2];
XV[3] = salsa_small_parallel_rnd(XV[3]);
//XV[0] = salsa_small_scalar_rnd(XV[0]); XV[1] ^= XV[0];
//XV[1] = salsa_small_scalar_rnd(XV[1]); XV[2] ^= XV[1];
//XV[2] = salsa_small_scalar_rnd(XV[2]); XV[3] ^= XV[2];
//XV[3] = salsa_small_scalar_rnd(XV[3]);
XV[1] ^= XV[2];
XV[2] ^= XV[1];
XV[1] ^= XV[2];
#if 0
XV[0] = (uint16)(XV[0].sc, XV[0].s9, XV[0].s6, XV[0].s3, XV[0].s0, XV[0].sd, XV[0].sa, XV[0].s7, XV[0].s4, XV[0].s1, XV[0].se, XV[0].sb, XV[0].s8, XV[0].s5, XV[0].s2, XV[0].sf);
XV[1] = (uint16)(XV[1].sc, XV[1].s9, XV[1].s6, XV[1].s3, XV[1].s0, XV[1].sd, XV[1].sa, XV[1].s7, XV[1].s4, XV[1].s1, XV[1].se, XV[1].sb, XV[1].s8, XV[1].s5, XV[1].s2, XV[1].sf);
XV[2] = (uint16)(XV[2].sc, XV[2].s9, XV[2].s6, XV[2].s3, XV[2].s0, XV[2].sd, XV[2].sa, XV[2].s7, XV[2].s4, XV[2].s1, XV[2].se, XV[2].sb, XV[2].s8, XV[2].s5, XV[2].s2, XV[2].sf);
XV[3] = (uint16)(XV[3].sc, XV[3].s9, XV[3].s6, XV[3].s3, XV[3].s0, XV[3].sd, XV[3].sa, XV[3].s7, XV[3].s4, XV[3].s1, XV[3].se, XV[3].sb, XV[3].s8, XV[3].s5, XV[3].s2, XV[3].sf);
#endif
}
void neoscrypt_blkmix_chacha(uint16 XV[4])
{
/* NeoScrypt flow: Scrypt flow:
Xa ^= Xd; M(Xa'); Ya = Xa"; Xa ^= Xb; M(Xa'); Ya = Xa";
Xb ^= Xa"; M(Xb'); Yb = Xb"; Xb ^= Xa"; M(Xb'); Yb = Xb";
Xc ^= Xb"; M(Xc'); Yc = Xc"; Xa" = Ya;
Xd ^= Xc"; M(Xd'); Yd = Xd"; Xb" = Yb;
Xa" = Ya; Xb" = Yc;
Xc" = Yb; Xd" = Yd; */
XV[0] ^= XV[3];
#if 1
XV[0] = chacha_small_parallel_rnd(XV[0]); XV[1] ^= XV[0];
XV[1] = chacha_small_parallel_rnd(XV[1]); XV[2] ^= XV[1];
XV[2] = chacha_small_parallel_rnd(XV[2]); XV[3] ^= XV[2];
XV[3] = chacha_small_parallel_rnd(XV[3]);
#else
XV[0] = chacha_small_scalar_rnd(XV[0]); XV[1] ^= XV[0];
XV[1] = chacha_small_scalar_rnd(XV[1]); XV[2] ^= XV[1];
XV[2] = chacha_small_scalar_rnd(XV[2]); XV[3] ^= XV[2];
XV[3] = chacha_small_scalar_rnd(XV[3]);
#endif
XV[1] ^= XV[2];
XV[2] ^= XV[1];
XV[1] ^= XV[2];
}
#ifdef WIDE_STRIPE
void ScratchpadStore(__global void *V, void *X, uchar idx)
{
((__global ulong16 *)V)[mul24(idx << 1, (int)get_global_size(0))] = ((ulong16 *)X)[0];
((__global ulong16 *)V)[mul24((idx << 1), (int)get_global_size(0)) + 1] = ((ulong16 *)X)[1];
//const uint idx2 = mul24(idx << 2, (int)get_global_size(0));
//#pragma unroll
//for(int i = 0; i < 4; ++i) ((__global uint16 *)V)[idx2 + i] = ((uint16 *)X)[i];
}
void ScratchpadMix(void *X, const __global void *V, uchar idx)
{
((ulong16 *)X)[0] ^= ((__global ulong16 *)V)[mul24(idx << 1, (int)get_global_size(0))];
((ulong16 *)X)[1] ^= ((__global ulong16 *)V)[mul24((idx << 1), (int)get_global_size(0)) + 1];
}
#else
void ScratchpadStore(__global void *V, void *X, uchar idx)
{
((__global ulong16 *)V)[mul24(idx << 1, (int)get_global_size(0))] = ((ulong16 *)X)[0];
((__global ulong16 *)V)[mul24((idx << 1) + 1, (int)get_global_size(0))] = ((ulong16 *)X)[1];
}
void ScratchpadMix(void *X, const __global void *V, uchar idx)
{
((ulong16 *)X)[0] ^= ((__global ulong16 *)V)[mul24(idx << 1, (int)get_global_size(0))];
((ulong16 *)X)[1] ^= ((__global ulong16 *)V)[mul24((idx << 1) + 1, (int)get_global_size(0))];
}
#endif
#define SALSA_PERM (uint16)(4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11, 0, 5, 10, 15)
#define SALSA_INV_PERM (uint16)(12, 9, 6, 3, 0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15)
void SMix_Salsa(uint16 X[4], __global uint16 *V)
{
#pragma unroll 1
for(int i = 0; i < 128; ++i)
{
ScratchpadStore(V, X, i);
neoscrypt_blkmix_salsa(X);
}
#pragma unroll 1
for(int i = 0; i < 128; ++i)
{
#ifdef SHITMAIN
const uint idx = convert_uchar(((uint *)X)[60] & 0x7F);
#else
const uint idx = convert_uchar(((uint *)X)[48] & 0x7F);
#endif
ScratchpadMix(X, V, idx);
neoscrypt_blkmix_salsa(X);
}
}
void SMix_Chacha(uint16 X[4], __global uint16 *V)
{
#pragma unroll 1
for(int i = 0; i < 128; ++i)
{
ScratchpadStore(V, X, i);
neoscrypt_blkmix_chacha(X);
}
#pragma unroll 1
for(int i = 0; i < 128; ++i)
{
const uint idx = convert_uchar(((uint *)X)[48] & 0x7F);
ScratchpadMix(X, V, idx);
neoscrypt_blkmix_chacha(X);
}
}
#define SALSA_PERM (uint16)(4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11, 0, 5, 10, 15)
#define SALSA_INV_PERM (uint16)(12, 9, 6, 3, 0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15)
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search(__global const uchar* restrict input, __global uint* restrict output, __global uchar *padcache, const uint target)
{
#define CONSTANT_N 128
#define CONSTANT_r 2
// X = CONSTANT_r * 2 * BLOCK_SIZE(64); Z is a copy of X for ChaCha
uint16 X[4], Z[4];
#ifdef WIDE_STRIPE
__global ulong16 *V = ((__global ulong16 *)padcache) + ((get_global_id(0) % get_global_size(0)) << 1);
#else
__global ulong16 *V = ((__global ulong16 *)(padcache) + (get_global_id(0) % get_global_size(0)));
#endif
//uchar outbuf[32];
uchar data[PASSWORD_LEN];
((ulong8 *)data)[0] = ((__global const ulong8 *)input)[0];
((ulong *)data)[8] = ((__global const ulong *)input)[8];
((uint *)data)[18] = ((__global const uint *)input)[18];
((uint *)data)[19] = get_global_id(0);
// X = KDF(password, salt)
//fastkdf(data, data, PASSWORD_LEN, (uchar *)X, 256);
fastkdf1(data, (uchar *)X);
#ifndef SHITMAIN
// Process ChaCha 1st, Salsa 2nd and XOR them - run that through PBKDF2
CopyBytes128(Z, X, 2);
#else
#pragma unroll
for(int i = 0; i < 4; ++i) ((uint16 *)Z)[i] = shuffle(((uint16 *)X)[i], SALSA_PERM);
#endif
// X = SMix(X); X & Z are swapped, repeat.
for(int i = 0;; ++i)
{
#ifdef SWAP
if (i) SMix_Salsa(X,V); else SMix_Chacha(X,V);
if(i) break;
SwapBytes128(X, Z, 256);
#else
if (i) SMix_Chacha(X,V); else SMix_Salsa(Z,V);
if(i) break;
#endif
}
#if defined(SWAP) && defined(SHITMAIN)
#pragma unroll
for(int i = 0; i < 4; ++i) ((uint16 *)Z)[i] ^= shuffle(((uint16 *)X)[i], SALSA_INV_PERM);
fastkdf2(data, (uchar *)Z, output, target);
#elif defined(SHITMAIN)
#pragma unroll
for(int i = 0; i < 4; ++i) ((uint16 *)X)[i] ^= shuffle(((uint16 *)Z)[i], SALSA_INV_PERM);
fastkdf2(data, (uchar *)X, output, target);
#else
// blkxor(X, Z)
((ulong16 *)X)[0] ^= ((ulong16 *)Z)[0];
((ulong16 *)X)[1] ^= ((ulong16 *)Z)[1];
// output = KDF(password, X)
//fastkdf(data, (uchar *)X, FASTKDF_BUFFER_SIZE, outbuf, 32);
fastkdf2(data, (uchar *)X, output, target);
#endif
}
/*
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search(__global const uchar* restrict input, __global uint16 *XZOutput)
{
#define CONSTANT_N 128
#define CONSTANT_r 2
// X = CONSTANT_r * 2 * BLOCK_SIZE(64); Z is a copy of X for ChaCha
uint16 X[4];
XZOutput += (4 * 2 * get_global_id(0));
//uchar outbuf[32];
uchar data[PASSWORD_LEN];
((ulong8 *)data)[0] = ((__global const ulong8 *)input)[0];
((ulong *)data)[8] = ((__global const ulong *)input)[8];
((uint *)data)[18] = ((__global const uint *)input)[18];
((uint *)data)[19] = get_global_id(0);
// X = KDF(password, salt)
//fastkdf(data, data, PASSWORD_LEN, (uchar *)X, 256);
fastkdf1(data, (uchar *)X);
for(int i = 0; i < 4; ++i) XZOutput[i] = X[i];
for(int i = 0; i < 4; ++i) XZOutput[i + 4] = X[i];
mem_fence(CLK_GLOBAL_MEM_FENCE);
}
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search1(__global uint16 *XZOutput, __global uchar *padcache)
{
#define CONSTANT_N 128
#define CONSTANT_r 2
// X = CONSTANT_r * 2 * BLOCK_SIZE(64); Z is a copy of X for ChaCha
uint16 X[4], Z[4];
#ifdef WIDE_STRIPE
__global ulong16 *V = ((__global ulong16 *)padcache) + ((get_global_id(0) % get_global_size(0)) << 1);
#else
__global ulong16 *V = ((__global ulong16 *)(padcache) + (get_global_id(0) % get_global_size(0)));
#endif
//uchar outbuf[32];
XZOutput += (4 * 2 * get_global_id(0));
for(int i = 0; i < 4; ++i) X[i] = XZOutput[i];
SMix_Salsa(X,V);
for(int i = 0; i < 4; ++i) XZOutput[i] = X[i];
mem_fence(CLK_GLOBAL_MEM_FENCE);
}
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search2(__global uint16 *XZOutput, __global uchar *padcache)
{
#define CONSTANT_N 128
#define CONSTANT_r 2
// X = CONSTANT_r * 2 * BLOCK_SIZE(64); Z is a copy of X for ChaCha
uint16 X[4], Z[4];
#ifdef WIDE_STRIPE
__global ulong16 *V = ((__global ulong16 *)padcache) + ((get_global_id(0) % get_global_size(0)) << 1);
#else
__global ulong16 *V = ((__global ulong16 *)(padcache) + (get_global_id(0) % get_global_size(0)));
#endif
//uchar outbuf[32];
XZOutput += (4 * 2 * get_global_id(0));
for(int i = 0; i < 4; ++i) X[i] = XZOutput[i + 4];
SMix_Chacha(X,V);
for(int i = 0; i < 4; ++i) XZOutput[i + 4] = X[i];
mem_fence(CLK_GLOBAL_MEM_FENCE);
}
__attribute__((reqd_work_group_size(WORKSIZE, 1, 1)))
__kernel void search3(__global const uchar* restrict input, __global uint16 *XZOutput, __global uint* restrict output, const uint target)
{
uint16 X[4], Z[4];
uchar data[PASSWORD_LEN];
((ulong8 *)data)[0] = ((__global const ulong8 *)input)[0];
((ulong *)data)[8] = ((__global const ulong *)input)[8];
((uint *)data)[18] = ((__global const uint *)input)[18];
((uint *)data)[19] = get_global_id(0);
XZOutput += (4 * 2 * get_global_id(0));
for(int i = 0; i < 4; ++i) X[i] = XZOutput[i];
for(int i = 0; i < 4; ++i) Z[i] = XZOutput[i + 4];
// blkxor(X, Z)
((ulong16 *)X)[0] ^= ((ulong16 *)Z)[0];
((ulong16 *)X)[1] ^= ((ulong16 *)Z)[1];
// output = KDF(password, X)
//fastkdf(data, (uchar *)X, FASTKDF_BUFFER_SIZE, outbuf, 32);
fastkdf2(data, (uchar *)X, output, target);
}
*/