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Code Issues Releases Wiki Activity

Fix issue #150

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This commit is contained in:
Jens Steube 2016-06-06 00:32:03 +02:00
parent 9d2c24fc0d
commit fc1be6bb85
1 changed files with 31 additions and 51 deletions
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82
OpenCL/m08900.cl
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@ -622,75 +622,55 @@ uint4 swap32_4 (uint4 v)
R3 = R3 + X3; \
}
void salsa_r (uint4 *T)
void salsa_r (uint4 *TI)
{
uint4 R0 = T[STATE_CNT4 - 4];
uint4 R1 = T[STATE_CNT4 - 3];
uint4 R2 = T[STATE_CNT4 - 2];
uint4 R3 = T[STATE_CNT4 - 1];
uint4 R0 = TI[STATE_CNT4 - 4];
uint4 R1 = TI[STATE_CNT4 - 3];
uint4 R2 = TI[STATE_CNT4 - 2];
uint4 R3 = TI[STATE_CNT4 - 1];
for (u32 i = 0; i < STATE_CNT4; i += 8)
uint4 TO[STATE_CNT4];
int idx_y = 0;
int idx_r1 = 0;
int idx_r2 = SCRYPT_R * 4;
for (int i = 0; i < SCRYPT_R; i++)
{
uint4 Y0;
uint4 Y1;
uint4 Y2;
uint4 Y3;
Y0 = T[i + 0];
Y1 = T[i + 1];
Y2 = T[i + 2];
Y3 = T[i + 3];
Y0 = TI[idx_y++];
Y1 = TI[idx_y++];
Y2 = TI[idx_y++];
Y3 = TI[idx_y++];
SALSA20_8_XOR ();
T[i + 0] = R0;
T[i + 1] = R1;
T[i + 2] = R2;
T[i + 3] = R3;
TO[idx_r1++] = R0;
TO[idx_r1++] = R1;
TO[idx_r1++] = R2;
TO[idx_r1++] = R3;
Y0 = T[i + 4];
Y1 = T[i + 5];
Y2 = T[i + 6];
Y3 = T[i + 7];
Y0 = TI[idx_y++];
Y1 = TI[idx_y++];
Y2 = TI[idx_y++];
Y3 = TI[idx_y++];
SALSA20_8_XOR ();
T[i + 4] = R0;
T[i + 5] = R1;
T[i + 6] = R2;
T[i + 7] = R3;
TO[idx_r2++] = R0;
TO[idx_r2++] = R1;
TO[idx_r2++] = R2;
TO[idx_r2++] = R3;
}
#define exchg(x,y) { const uint4 t = T[(x)]; T[(x)] = T[(y)]; T[(y)] = t; }
#define exchg4(x,y) \
{ \
const u32 x4 = (x) * 4; \
const u32 y4 = (y) * 4; \
\
exchg (x4 + 0, y4 + 0); \
exchg (x4 + 1, y4 + 1); \
exchg (x4 + 2, y4 + 2); \
exchg (x4 + 3, y4 + 3); \
}
for (u32 i = 1; i < SCRYPT_R / 1; i++)
#pragma unroll
for (int i = 0; i < STATE_CNT4; i++)
{
const u32 x = i * 1;
const u32 y = i * 2;
exchg4 (x, y);
}
for (u32 i = 1; i < SCRYPT_R / 2; i++)
{
const u32 x = i * 1;
const u32 y = i * 2;
const u32 xr1 = (SCRYPT_R * 2) - 1 - x;
const u32 yr1 = (SCRYPT_R * 2) - 1 - y;
exchg4 (xr1, yr1);
TI[i] = TO[i];
}
}