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412 lines
8.9 KiB
Common Lisp
412 lines
8.9 KiB
Common Lisp
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#ifdef KERNEL_STATIC
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#include "inc_vendor.h"
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#include "inc_types.h"
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#include "inc_common.cl"
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#include "inc_hash_sha256.cl"
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#endif
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#define COMPARE_S "inc_comp_single.cl"
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#define COMPARE_M "inc_comp_multi.cl"
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typedef struct
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{
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#ifndef SCRYPT_TMP_ELEM
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#define SCRYPT_TMP_ELEM 1
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#endif
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uint4 P[SCRYPT_TMP_ELEM];
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} scrypt_tmp_t;
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DECLSPEC static uint4 hc_swap32_4 (uint4 v)
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{
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return (rotate ((v & 0x00FF00FF), 24u) | rotate ((v & 0xFF00FF00), 8u));
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}
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#define GET_SCRYPT_CNT(r,p) (2 * (r) * 16 * (p))
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#define GET_SMIX_CNT(r,N) (2 * (r) * 16 * (N))
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#define GET_STATE_CNT(r) (2 * (r) * 16)
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#define SCRYPT_CNT GET_SCRYPT_CNT (SCRYPT_R, SCRYPT_P)
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#define SCRYPT_CNT4 (SCRYPT_CNT / 4)
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#define STATE_CNT GET_STATE_CNT (SCRYPT_R)
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#define STATE_CNT4 (STATE_CNT / 4)
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#define ADD_ROTATE_XOR(r,i1,i2,s) (r) ^= rotate ((i1) + (i2), (s));
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#define SALSA20_2R() \
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{ \
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ADD_ROTATE_XOR (X1, X0, X3, 7); \
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ADD_ROTATE_XOR (X2, X1, X0, 9); \
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ADD_ROTATE_XOR (X3, X2, X1, 13); \
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ADD_ROTATE_XOR (X0, X3, X2, 18); \
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\
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X1 = X1.s3012; \
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X2 = X2.s2301; \
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X3 = X3.s1230; \
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\
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ADD_ROTATE_XOR (X3, X0, X1, 7); \
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ADD_ROTATE_XOR (X2, X3, X0, 9); \
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ADD_ROTATE_XOR (X1, X2, X3, 13); \
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ADD_ROTATE_XOR (X0, X1, X2, 18); \
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\
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X1 = X1.s1230; \
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X2 = X2.s2301; \
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X3 = X3.s3012; \
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}
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#define SALSA20_8_XOR() \
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{ \
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R0 = R0 ^ Y0; \
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R1 = R1 ^ Y1; \
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R2 = R2 ^ Y2; \
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R3 = R3 ^ Y3; \
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\
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uint4 X0 = R0; \
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uint4 X1 = R1; \
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uint4 X2 = R2; \
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uint4 X3 = R3; \
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\
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SALSA20_2R (); \
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SALSA20_2R (); \
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SALSA20_2R (); \
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SALSA20_2R (); \
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\
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R0 = R0 + X0; \
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R1 = R1 + X1; \
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R2 = R2 + X2; \
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R3 = R3 + X3; \
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}
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DECLSPEC static void salsa_r (uint4 *TI)
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{
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uint4 R0 = TI[STATE_CNT4 - 4];
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uint4 R1 = TI[STATE_CNT4 - 3];
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uint4 R2 = TI[STATE_CNT4 - 2];
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uint4 R3 = TI[STATE_CNT4 - 1];
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uint4 TO[STATE_CNT4];
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int idx_y = 0;
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int idx_r1 = 0;
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int idx_r2 = SCRYPT_R * 4;
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for (int i = 0; i < SCRYPT_R; i++)
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{
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uint4 Y0;
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uint4 Y1;
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uint4 Y2;
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uint4 Y3;
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Y0 = TI[idx_y++];
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Y1 = TI[idx_y++];
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Y2 = TI[idx_y++];
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Y3 = TI[idx_y++];
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SALSA20_8_XOR ();
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TO[idx_r1++] = R0;
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TO[idx_r1++] = R1;
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TO[idx_r1++] = R2;
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TO[idx_r1++] = R3;
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Y0 = TI[idx_y++];
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Y1 = TI[idx_y++];
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Y2 = TI[idx_y++];
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Y3 = TI[idx_y++];
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SALSA20_8_XOR ();
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TO[idx_r2++] = R0;
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TO[idx_r2++] = R1;
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TO[idx_r2++] = R2;
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TO[idx_r2++] = R3;
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}
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#pragma unroll
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for (int i = 0; i < STATE_CNT4; i++)
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{
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TI[i] = TO[i];
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}
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}
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DECLSPEC static void scrypt_smix (uint4 *X, uint4 *T, GLOBAL_AS uint4 *V0, GLOBAL_AS uint4 *V1, GLOBAL_AS uint4 *V2, GLOBAL_AS uint4 *V3)
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{
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#define Coord(xd4,y,z) (((xd4) * ySIZE * zSIZE) + ((y) * zSIZE) + (z))
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#define CO Coord(xd4,y,z)
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const u32 ySIZE = SCRYPT_N / SCRYPT_TMTO;
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const u32 zSIZE = STATE_CNT4;
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const u32 x = get_global_id (0);
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const u32 xd4 = x / 4;
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const u32 xm4 = x & 3;
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GLOBAL_AS uint4 *V;
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switch (xm4)
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{
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case 0: V = V0; break;
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case 1: V = V1; break;
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case 2: V = V2; break;
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case 3: V = V3; break;
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}
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#ifdef _unroll
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#pragma unroll
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#endif
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for (u32 i = 0; i < STATE_CNT4; i += 4)
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{
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T[0] = (uint4) (X[i + 0].x, X[i + 1].y, X[i + 2].z, X[i + 3].w);
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T[1] = (uint4) (X[i + 1].x, X[i + 2].y, X[i + 3].z, X[i + 0].w);
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T[2] = (uint4) (X[i + 2].x, X[i + 3].y, X[i + 0].z, X[i + 1].w);
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T[3] = (uint4) (X[i + 3].x, X[i + 0].y, X[i + 1].z, X[i + 2].w);
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X[i + 0] = T[0];
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X[i + 1] = T[1];
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X[i + 2] = T[2];
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X[i + 3] = T[3];
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}
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for (u32 y = 0; y < ySIZE; y++)
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{
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for (u32 z = 0; z < zSIZE; z++) V[CO] = X[z];
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for (u32 i = 0; i < SCRYPT_TMTO; i++) salsa_r (X);
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}
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for (u32 i = 0; i < SCRYPT_N; i++)
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{
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const u32 k = X[zSIZE - 4].x & (SCRYPT_N - 1);
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const u32 y = k / SCRYPT_TMTO;
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const u32 km = k - (y * SCRYPT_TMTO);
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for (u32 z = 0; z < zSIZE; z++) T[z] = V[CO];
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for (u32 i = 0; i < km; i++) salsa_r (T);
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for (u32 z = 0; z < zSIZE; z++) X[z] ^= T[z];
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salsa_r (X);
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}
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#ifdef _unroll
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#pragma unroll
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#endif
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for (u32 i = 0; i < STATE_CNT4; i += 4)
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{
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T[0] = (uint4) (X[i + 0].x, X[i + 3].y, X[i + 2].z, X[i + 1].w);
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T[1] = (uint4) (X[i + 1].x, X[i + 0].y, X[i + 3].z, X[i + 2].w);
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T[2] = (uint4) (X[i + 2].x, X[i + 1].y, X[i + 0].z, X[i + 3].w);
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T[3] = (uint4) (X[i + 3].x, X[i + 2].y, X[i + 1].z, X[i + 0].w);
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X[i + 0] = T[0];
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X[i + 1] = T[1];
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X[i + 2] = T[2];
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X[i + 3] = T[3];
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}
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}
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KERNEL_FQ void m08900_init (KERN_ATTR_TMPS (scrypt_tmp_t))
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{
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/**
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* base
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*/
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const u64 gid = get_global_id (0);
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if (gid >= gid_max) return;
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sha256_hmac_ctx_t sha256_hmac_ctx;
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sha256_hmac_init_global_swap (&sha256_hmac_ctx, pws[gid].i, pws[gid].pw_len);
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sha256_hmac_update_global_swap (&sha256_hmac_ctx, salt_bufs[salt_pos].salt_buf, salt_bufs[salt_pos].salt_len);
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for (u32 i = 0, j = 1, k = 0; i < SCRYPT_CNT; i += 8, j += 1, k += 2)
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{
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sha256_hmac_ctx_t sha256_hmac_ctx2 = sha256_hmac_ctx;
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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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w0[0] = j;
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w0[1] = 0;
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w0[2] = 0;
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w0[3] = 0;
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w1[0] = 0;
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w1[1] = 0;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = 0;
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sha256_hmac_update_64 (&sha256_hmac_ctx2, w0, w1, w2, w3, 4);
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sha256_hmac_final (&sha256_hmac_ctx2);
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u32 digest[8];
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digest[0] = sha256_hmac_ctx2.opad.h[0];
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digest[1] = sha256_hmac_ctx2.opad.h[1];
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digest[2] = sha256_hmac_ctx2.opad.h[2];
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digest[3] = sha256_hmac_ctx2.opad.h[3];
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digest[4] = sha256_hmac_ctx2.opad.h[4];
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digest[5] = sha256_hmac_ctx2.opad.h[5];
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digest[6] = sha256_hmac_ctx2.opad.h[6];
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digest[7] = sha256_hmac_ctx2.opad.h[7];
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const uint4 tmp0 = (uint4) (digest[0], digest[1], digest[2], digest[3]);
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const uint4 tmp1 = (uint4) (digest[4], digest[5], digest[6], digest[7]);
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tmps[gid].P[k + 0] = tmp0;
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tmps[gid].P[k + 1] = tmp1;
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}
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}
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KERNEL_FQ void m08900_loop (KERN_ATTR_TMPS (scrypt_tmp_t))
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{
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const u64 gid = get_global_id (0);
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if (gid >= gid_max) return;
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GLOBAL_AS uint4 *d_scrypt0_buf = d_extra0_buf;
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GLOBAL_AS uint4 *d_scrypt1_buf = d_extra1_buf;
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GLOBAL_AS uint4 *d_scrypt2_buf = d_extra2_buf;
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GLOBAL_AS uint4 *d_scrypt3_buf = d_extra3_buf;
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uint4 X[STATE_CNT4];
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uint4 T[STATE_CNT4];
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#ifdef _unroll
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#pragma unroll
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#endif
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for (int z = 0; z < STATE_CNT4; z++) X[z] = hc_swap32_4 (tmps[gid].P[z]);
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scrypt_smix (X, T, d_scrypt0_buf, d_scrypt1_buf, d_scrypt2_buf, d_scrypt3_buf);
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#ifdef _unroll
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#pragma unroll
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#endif
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for (int z = 0; z < STATE_CNT4; z++) tmps[gid].P[z] = hc_swap32_4 (X[z]);
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#if SCRYPT_P >= 1
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for (int i = STATE_CNT4; i < SCRYPT_CNT4; i += STATE_CNT4)
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{
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for (int z = 0; z < STATE_CNT4; z++) X[z] = hc_swap32_4 (tmps[gid].P[i + z]);
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scrypt_smix (X, T, d_scrypt0_buf, d_scrypt1_buf, d_scrypt2_buf, d_scrypt3_buf);
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for (int z = 0; z < STATE_CNT4; z++) tmps[gid].P[i + z] = hc_swap32_4 (X[z]);
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}
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#endif
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}
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KERNEL_FQ void m08900_comp (KERN_ATTR_TMPS (scrypt_tmp_t))
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{
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/**
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* base
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*/
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const u64 gid = get_global_id (0);
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const u64 lid = get_local_id (0);
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if (gid >= gid_max) return;
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/**
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* 2nd pbkdf2, creates B
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*/
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u32 w0[4];
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u32 w1[4];
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u32 w2[4];
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u32 w3[4];
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sha256_hmac_ctx_t ctx;
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sha256_hmac_init_global_swap (&ctx, pws[gid].i, pws[gid].pw_len);
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for (u32 l = 0; l < SCRYPT_CNT4; l += 4)
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{
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uint4 tmp;
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tmp = tmps[gid].P[l + 0];
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w0[0] = tmp.s0;
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w0[1] = tmp.s1;
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w0[2] = tmp.s2;
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w0[3] = tmp.s3;
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tmp = tmps[gid].P[l + 1];
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w1[0] = tmp.s0;
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w1[1] = tmp.s1;
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w1[2] = tmp.s2;
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w1[3] = tmp.s3;
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tmp = tmps[gid].P[l + 2];
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w2[0] = tmp.s0;
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w2[1] = tmp.s1;
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w2[2] = tmp.s2;
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w2[3] = tmp.s3;
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tmp = tmps[gid].P[l + 3];
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w3[0] = tmp.s0;
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w3[1] = tmp.s1;
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w3[2] = tmp.s2;
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w3[3] = tmp.s3;
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sha256_hmac_update_64 (&ctx, w0, w1, w2, w3, 64);
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}
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w0[0] = 1;
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w0[1] = 0;
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w0[2] = 0;
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w0[3] = 0;
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w1[0] = 0;
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w1[1] = 0;
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w1[2] = 0;
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w1[3] = 0;
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w2[0] = 0;
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w2[1] = 0;
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w2[2] = 0;
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w2[3] = 0;
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w3[0] = 0;
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w3[1] = 0;
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w3[2] = 0;
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w3[3] = 0;
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sha256_hmac_update_64 (&ctx, w0, w1, w2, w3, 4);
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sha256_hmac_final (&ctx);
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const u32 r0 = hc_swap32_S (ctx.opad.h[DGST_R0]);
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const u32 r1 = hc_swap32_S (ctx.opad.h[DGST_R1]);
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const u32 r2 = hc_swap32_S (ctx.opad.h[DGST_R2]);
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const u32 r3 = hc_swap32_S (ctx.opad.h[DGST_R3]);
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#define il_pos 0
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#ifdef KERNEL_STATIC
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#include COMPARE_M
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#endif
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}
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