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hashcat/OpenCL/m21700-pure.cl
Jens Steube 15ada5124e Further simplified the use of inc_hash_scrypt.cl without any speed regression, and updated all affected plugin kernels. Use m08900-pure.cl as a template. 
Updated kernel declarations from "KERNEL_FQ void HC_ATTR_SEQ" to "KERNEL_FQ KERNEL_FA void". Please update your custom plugin kernels accordingly.
Added spilling size as a factor in calculating usable memory per device. This is based on undocumented variables and may not be 100% accurate, but it works well in practice.
Added a compiler hint to scrypt-based kernels indicating the guaranteed maximum thread count per kernel invocation.
Removed redundant kernel code 29800, as it is identical to 27700, and updated the plugin.
2025-06-21 17:41:26 +02:00

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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#define NEW_SIMD_CODE
#ifdef KERNEL_STATIC
#include M2S(INCLUDE_PATH/inc_vendor.h)
#include M2S(INCLUDE_PATH/inc_types.h)
#include M2S(INCLUDE_PATH/inc_platform.cl)
#include M2S(INCLUDE_PATH/inc_common.cl)
#include M2S(INCLUDE_PATH/inc_simd.cl)
#include M2S(INCLUDE_PATH/inc_hash_sha256.cl)
#include M2S(INCLUDE_PATH/inc_hash_sha512.cl)
#include M2S(INCLUDE_PATH/inc_ecc_secp256k1.cl)
#endif
#define COMPARE_M M2S(INCLUDE_PATH/inc_comp_multi.cl)
typedef struct electrum
{
secp256k1_t coords;
u32 data_buf[4096];
u32 data_len;
} electrum_t;
typedef struct electrum_tmp
{
u64 ipad[8];
u64 opad[8];
u64 dgst[8];
u64 out[8];
} electrum_tmp_t;
DECLSPEC void hmac_sha512_run_V (PRIVATE_AS u32x *w0, PRIVATE_AS u32x *w1, PRIVATE_AS u32x *w2, PRIVATE_AS u32x *w3, PRIVATE_AS u32x *w4, PRIVATE_AS u32x *w5, PRIVATE_AS u32x *w6, PRIVATE_AS u32x *w7, PRIVATE_AS u64x *ipad, PRIVATE_AS u64x *opad, PRIVATE_AS u64x *digest)
{
digest[0] = ipad[0];
digest[1] = ipad[1];
digest[2] = ipad[2];
digest[3] = ipad[3];
digest[4] = ipad[4];
digest[5] = ipad[5];
digest[6] = ipad[6];
digest[7] = ipad[7];
sha512_transform_vector (w0, w1, w2, w3, w4, w5, w6, w7, digest);
w0[0] = h32_from_64 (digest[0]);
w0[1] = l32_from_64 (digest[0]);
w0[2] = h32_from_64 (digest[1]);
w0[3] = l32_from_64 (digest[1]);
w1[0] = h32_from_64 (digest[2]);
w1[1] = l32_from_64 (digest[2]);
w1[2] = h32_from_64 (digest[3]);
w1[3] = l32_from_64 (digest[3]);
w2[0] = h32_from_64 (digest[4]);
w2[1] = l32_from_64 (digest[4]);
w2[2] = h32_from_64 (digest[5]);
w2[3] = l32_from_64 (digest[5]);
w3[0] = h32_from_64 (digest[6]);
w3[1] = l32_from_64 (digest[6]);
w3[2] = h32_from_64 (digest[7]);
w3[3] = l32_from_64 (digest[7]);
w4[0] = 0x80000000;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = (128 + 64) * 8;
digest[0] = opad[0];
digest[1] = opad[1];
digest[2] = opad[2];
digest[3] = opad[3];
digest[4] = opad[4];
digest[5] = opad[5];
digest[6] = opad[6];
digest[7] = opad[7];
sha512_transform_vector (w0, w1, w2, w3, w4, w5, w6, w7, digest);
}
KERNEL_FQ KERNEL_FA void m21700_init (KERN_ATTR_TMPS_ESALT (electrum_tmp_t, electrum_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) return;
sha512_hmac_ctx_t sha512_hmac_ctx;
sha512_hmac_init_global_swap (&sha512_hmac_ctx, pws[gid].i, pws[gid].pw_len);
tmps[gid].ipad[0] = sha512_hmac_ctx.ipad.h[0];
tmps[gid].ipad[1] = sha512_hmac_ctx.ipad.h[1];
tmps[gid].ipad[2] = sha512_hmac_ctx.ipad.h[2];
tmps[gid].ipad[3] = sha512_hmac_ctx.ipad.h[3];
tmps[gid].ipad[4] = sha512_hmac_ctx.ipad.h[4];
tmps[gid].ipad[5] = sha512_hmac_ctx.ipad.h[5];
tmps[gid].ipad[6] = sha512_hmac_ctx.ipad.h[6];
tmps[gid].ipad[7] = sha512_hmac_ctx.ipad.h[7];
tmps[gid].opad[0] = sha512_hmac_ctx.opad.h[0];
tmps[gid].opad[1] = sha512_hmac_ctx.opad.h[1];
tmps[gid].opad[2] = sha512_hmac_ctx.opad.h[2];
tmps[gid].opad[3] = sha512_hmac_ctx.opad.h[3];
tmps[gid].opad[4] = sha512_hmac_ctx.opad.h[4];
tmps[gid].opad[5] = sha512_hmac_ctx.opad.h[5];
tmps[gid].opad[6] = sha512_hmac_ctx.opad.h[6];
tmps[gid].opad[7] = sha512_hmac_ctx.opad.h[7];
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
u32 w4[4];
u32 w5[4];
u32 w6[4];
u32 w7[4];
w0[0] = 1;
w0[1] = 0;
w0[2] = 0;
w0[3] = 0;
w1[0] = 0;
w1[1] = 0;
w1[2] = 0;
w1[3] = 0;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
w4[0] = 0;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = 0;
sha512_hmac_update_128 (&sha512_hmac_ctx, w0, w1, w2, w3, w4, w5, w6, w7, 4);
sha512_hmac_final (&sha512_hmac_ctx);
tmps[gid].dgst[0] = sha512_hmac_ctx.opad.h[0];
tmps[gid].dgst[1] = sha512_hmac_ctx.opad.h[1];
tmps[gid].dgst[2] = sha512_hmac_ctx.opad.h[2];
tmps[gid].dgst[3] = sha512_hmac_ctx.opad.h[3];
tmps[gid].dgst[4] = sha512_hmac_ctx.opad.h[4];
tmps[gid].dgst[5] = sha512_hmac_ctx.opad.h[5];
tmps[gid].dgst[6] = sha512_hmac_ctx.opad.h[6];
tmps[gid].dgst[7] = sha512_hmac_ctx.opad.h[7];
tmps[gid].out[0] = tmps[gid].dgst[0];
tmps[gid].out[1] = tmps[gid].dgst[1];
tmps[gid].out[2] = tmps[gid].dgst[2];
tmps[gid].out[3] = tmps[gid].dgst[3];
tmps[gid].out[4] = tmps[gid].dgst[4];
tmps[gid].out[5] = tmps[gid].dgst[5];
tmps[gid].out[6] = tmps[gid].dgst[6];
tmps[gid].out[7] = tmps[gid].dgst[7];
}
KERNEL_FQ KERNEL_FA void m21700_loop (KERN_ATTR_TMPS_ESALT (electrum_tmp_t, electrum_t))
{
const u64 gid = get_global_id (0);
if ((gid * VECT_SIZE) >= GID_CNT) return;
u64x ipad[8];
u64x opad[8];
ipad[0] = pack64v (tmps, ipad, gid, 0);
ipad[1] = pack64v (tmps, ipad, gid, 1);
ipad[2] = pack64v (tmps, ipad, gid, 2);
ipad[3] = pack64v (tmps, ipad, gid, 3);
ipad[4] = pack64v (tmps, ipad, gid, 4);
ipad[5] = pack64v (tmps, ipad, gid, 5);
ipad[6] = pack64v (tmps, ipad, gid, 6);
ipad[7] = pack64v (tmps, ipad, gid, 7);
opad[0] = pack64v (tmps, opad, gid, 0);
opad[1] = pack64v (tmps, opad, gid, 1);
opad[2] = pack64v (tmps, opad, gid, 2);
opad[3] = pack64v (tmps, opad, gid, 3);
opad[4] = pack64v (tmps, opad, gid, 4);
opad[5] = pack64v (tmps, opad, gid, 5);
opad[6] = pack64v (tmps, opad, gid, 6);
opad[7] = pack64v (tmps, opad, gid, 7);
u64x dgst[8];
u64x out[8];
dgst[0] = pack64v (tmps, dgst, gid, 0);
dgst[1] = pack64v (tmps, dgst, gid, 1);
dgst[2] = pack64v (tmps, dgst, gid, 2);
dgst[3] = pack64v (tmps, dgst, gid, 3);
dgst[4] = pack64v (tmps, dgst, gid, 4);
dgst[5] = pack64v (tmps, dgst, gid, 5);
dgst[6] = pack64v (tmps, dgst, gid, 6);
dgst[7] = pack64v (tmps, dgst, gid, 7);
out[0] = pack64v (tmps, out, gid, 0);
out[1] = pack64v (tmps, out, gid, 1);
out[2] = pack64v (tmps, out, gid, 2);
out[3] = pack64v (tmps, out, gid, 3);
out[4] = pack64v (tmps, out, gid, 4);
out[5] = pack64v (tmps, out, gid, 5);
out[6] = pack64v (tmps, out, gid, 6);
out[7] = pack64v (tmps, out, gid, 7);
for (u32 j = 0; j < LOOP_CNT; j++)
{
u32x w0[4];
u32x w1[4];
u32x w2[4];
u32x w3[4];
u32x w4[4];
u32x w5[4];
u32x w6[4];
u32x w7[4];
w0[0] = h32_from_64 (dgst[0]);
w0[1] = l32_from_64 (dgst[0]);
w0[2] = h32_from_64 (dgst[1]);
w0[3] = l32_from_64 (dgst[1]);
w1[0] = h32_from_64 (dgst[2]);
w1[1] = l32_from_64 (dgst[2]);
w1[2] = h32_from_64 (dgst[3]);
w1[3] = l32_from_64 (dgst[3]);
w2[0] = h32_from_64 (dgst[4]);
w2[1] = l32_from_64 (dgst[4]);
w2[2] = h32_from_64 (dgst[5]);
w2[3] = l32_from_64 (dgst[5]);
w3[0] = h32_from_64 (dgst[6]);
w3[1] = l32_from_64 (dgst[6]);
w3[2] = h32_from_64 (dgst[7]);
w3[3] = l32_from_64 (dgst[7]);
w4[0] = 0x80000000;
w4[1] = 0;
w4[2] = 0;
w4[3] = 0;
w5[0] = 0;
w5[1] = 0;
w5[2] = 0;
w5[3] = 0;
w6[0] = 0;
w6[1] = 0;
w6[2] = 0;
w6[3] = 0;
w7[0] = 0;
w7[1] = 0;
w7[2] = 0;
w7[3] = (128 + 64) * 8;
hmac_sha512_run_V (w0, w1, w2, w3, w4, w5, w6, w7, ipad, opad, dgst);
out[0] ^= dgst[0];
out[1] ^= dgst[1];
out[2] ^= dgst[2];
out[3] ^= dgst[3];
out[4] ^= dgst[4];
out[5] ^= dgst[5];
out[6] ^= dgst[6];
out[7] ^= dgst[7];
}
unpack64v (tmps, dgst, gid, 0, dgst[0]);
unpack64v (tmps, dgst, gid, 1, dgst[1]);
unpack64v (tmps, dgst, gid, 2, dgst[2]);
unpack64v (tmps, dgst, gid, 3, dgst[3]);
unpack64v (tmps, dgst, gid, 4, dgst[4]);
unpack64v (tmps, dgst, gid, 5, dgst[5]);
unpack64v (tmps, dgst, gid, 6, dgst[6]);
unpack64v (tmps, dgst, gid, 7, dgst[7]);
unpack64v (tmps, out, gid, 0, out[0]);
unpack64v (tmps, out, gid, 1, out[1]);
unpack64v (tmps, out, gid, 2, out[2]);
unpack64v (tmps, out, gid, 3, out[3]);
unpack64v (tmps, out, gid, 4, out[4]);
unpack64v (tmps, out, gid, 5, out[5]);
unpack64v (tmps, out, gid, 6, out[6]);
unpack64v (tmps, out, gid, 7, out[7]);
}
KERNEL_FQ KERNEL_FA void m21700_comp (KERN_ATTR_TMPS_ESALT (electrum_tmp_t, electrum_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) return;
const u32 digest_pos = LOOP_POS;
const u32 digest_cur = DIGESTS_OFFSET_HOST + digest_pos;
GLOBAL_AS const electrum_t *electrum = &esalt_bufs[digest_cur];
u64 out[8];
out[0] = tmps[gid].out[0];
out[1] = tmps[gid].out[1];
out[2] = tmps[gid].out[2];
out[3] = tmps[gid].out[3];
out[4] = tmps[gid].out[4];
out[5] = tmps[gid].out[5];
out[6] = tmps[gid].out[6];
out[7] = tmps[gid].out[7];
/*
* First calculate the modulo of the pbkdf2 hash with SECP256K1_N:
*/
u32 a[16];
a[ 0] = h32_from_64_S (out[0]);
a[ 1] = l32_from_64_S (out[0]);
a[ 2] = h32_from_64_S (out[1]);
a[ 3] = l32_from_64_S (out[1]);
a[ 4] = h32_from_64_S (out[2]);
a[ 5] = l32_from_64_S (out[2]);
a[ 6] = h32_from_64_S (out[3]);
a[ 7] = l32_from_64_S (out[3]);
a[ 8] = h32_from_64_S (out[4]);
a[ 9] = l32_from_64_S (out[4]);
a[10] = h32_from_64_S (out[5]);
a[11] = l32_from_64_S (out[5]);
a[12] = h32_from_64_S (out[6]);
a[13] = l32_from_64_S (out[6]);
a[14] = h32_from_64_S (out[7]);
a[15] = l32_from_64_S (out[7]);
mod_512 (a);
// copy the last 256 bit (32 bytes) of modulo (a):
u32 tweak[8];
tweak[0] = a[15];
tweak[1] = a[14];
tweak[2] = a[13];
tweak[3] = a[12];
tweak[4] = a[11];
tweak[5] = a[10];
tweak[6] = a[ 9];
tweak[7] = a[ 8];
/*
* the main secp256k1 point multiplication by a scalar/tweak:
*/
GLOBAL_AS const secp256k1_t *coords = (GLOBAL_AS const secp256k1_t *) &electrum->coords;
u32 pubkey[64] = { 0 }; // for point_mul () we need: 1 + 32 bytes (for sha512 () we need more)
point_mul (pubkey, tweak, coords);
/*
* sha512 () of the pubkey:
*/
sha512_ctx_t sha512_ctx;
sha512_init (&sha512_ctx);
sha512_update (&sha512_ctx, pubkey, 33); // 33 because of 32 byte curve point + sign
sha512_final (&sha512_ctx);
/*
* sha256-hmac () of the data_buf
*/
GLOBAL_AS const u32 *data_buf = (GLOBAL_AS const u32 *) electrum->data_buf;
u32 data_len = electrum->data_len;
u32 key[16] = { 0 };
key[0] = h32_from_64_S (sha512_ctx.h[4]);
key[1] = l32_from_64_S (sha512_ctx.h[4]);
key[2] = h32_from_64_S (sha512_ctx.h[5]);
key[3] = l32_from_64_S (sha512_ctx.h[5]);
key[4] = h32_from_64_S (sha512_ctx.h[6]);
key[5] = l32_from_64_S (sha512_ctx.h[6]);
key[6] = h32_from_64_S (sha512_ctx.h[7]);
key[7] = l32_from_64_S (sha512_ctx.h[7]);
sha256_hmac_ctx_t sha256_ctx;
sha256_hmac_init (&sha256_ctx, key, 32);
sha256_hmac_update_global_swap (&sha256_ctx, data_buf, data_len);
sha256_hmac_final (&sha256_ctx);
const u32 r0 = sha256_ctx.opad.h[0];
const u32 r1 = sha256_ctx.opad.h[1];
const u32 r2 = sha256_ctx.opad.h[2];
const u32 r3 = sha256_ctx.opad.h[3];
#define il_pos 0
#ifdef KERNEL_STATIC
#include COMPARE_M
#endif
}
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