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Create mode for murmurhash64a with zero seed

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qasikfwn 2024-11-08 10:15:33 +11:00
parent ad6a745ab2
commit fff0b5ade2
5 changed files with 1411 additions and 0 deletions
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249
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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_rp_optimized.h)
#include M2S(INCLUDE_PATH/inc_rp_optimized.cl)
#include M2S(INCLUDE_PATH/inc_simd.cl)
#endif
DECLSPEC u64 MurmurHash64A_round (PRIVATE_AS const u8 *data, u64 hash, const u32 cur_pos) {
#define M 0xc6a4a7935bd1e995
#define R 47
u64 k = ((u64) data[cur_pos])
| ((u64) data[cur_pos + 1] << 8)
| ((u64) data[cur_pos + 2] << 16)
| ((u64) data[cur_pos + 3] << 24)
| ((u64) data[cur_pos + 4] << 32)
| ((u64) data[cur_pos + 5] << 40)
| ((u64) data[cur_pos + 6] << 48)
| ((u64) data[cur_pos + 7] << 56);
k *= M;
k ^= k >> R;
k *= M;
hash ^= k;
hash *= M;
#undef M
#undef R
return hash;
}
DECLSPEC u64 MurmurHash64A_final (PRIVATE_AS const u8 *data, u64 hash, const u32 cur_pos, const u32 len) {
#define M 0xc6a4a7935bd1e995
#define R 47
const u32 overflow = len & 7;
switch (overflow) {
case 7: hash ^= ((u64) data[cur_pos + 6]) << 48;
case 6: hash ^= ((u64) data[cur_pos + 5]) << 40;
case 5: hash ^= ((u64) data[cur_pos + 4]) << 32;
case 4: hash ^= ((u64) data[cur_pos + 3]) << 24;
case 3: hash ^= ((u64) data[cur_pos + 2]) << 16;
case 2: hash ^= ((u64) data[cur_pos + 1]) << 8;
case 1: hash ^= ((u64) data[cur_pos]);
hash *= M;
}
hash ^= hash >> R;
hash *= M;
hash ^= hash >> R;
#undef M
#undef R
return hash;
}
DECLSPEC u64 MurmurHash64A (PRIVATE_AS const u32 *data, const u32 len)
{
#define M 0xc6a4a7935bd1e995
#define R 47
//Initialize hash
u64 hash = 0 ^ (len * M);
//const u64 INITIAL = hash;
const u32 endpos = len - (len & 7);
//const u32 nBlocks = len >> 3; // number of 8 byte blocks
const u8 *data2 = (const u8*) data;
//u64 MIDDLE_OF_BLOCK = 0;
// Loop over blocks of 8 bytes
u32 i = 0;
while (i != endpos) {
hash = MurmurHash64A_round(data2, hash, i);
i += 8;
}
// Overflow
//const u64 BEFORE_FINAL = hash;
hash = MurmurHash64A_final (data2, hash, i, len);
//const u64 AFTER_FINAL = hash;
//printf("debug: %016lx:%016lx:%c%c%c%c%c%c%c%c%c%c len: %d INITIAL: %016lx MIDDLE_O_BLK: %016lx B4FINAL: %016lx overflow: %d AFTER_FINAL: %016lx\n", hash, seed, data2[0], data2[1], data2[2], data2[3], data2[4], data2[5], data2[6], data2[7], data2[8], data2[9], len, INITIAL, MIDDLE_OF_BLOCK, BEFORE_FINAL, overflow, AFTER_FINAL);
//printf("data2 = %.2s, len = %d\n", data2[0], len);
#undef M
#undef R
return hash;
}
KERNEL_FQ void m90000_m04 (KERN_ATTR_RULES ())
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) return;
u32 pw_buf0[4];
u32 pw_buf1[4];
pw_buf0[0] = pws[gid].i[0];
pw_buf0[1] = pws[gid].i[1];
pw_buf0[2] = pws[gid].i[2];
pw_buf0[3] = pws[gid].i[3];
pw_buf1[0] = pws[gid].i[4];
pw_buf1[1] = pws[gid].i[5];
pw_buf1[2] = pws[gid].i[6];
pw_buf1[3] = pws[gid].i[7];
const u32 pw_len = pws[gid].pw_len & 63;
/**
* seed
*/
/**
* loop
*/
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
{
u32x w[16] = { 0 };
const u32x out_len = apply_rules_vect_optimized (pw_buf0, pw_buf1, pw_len, rules_buf, il_pos, w + 0, w + 4);
u64x hash = MurmurHash64A (w, out_len);
const u32x r0 = l32_from_64(hash);
const u32x r1 = h32_from_64(hash);
const u32x z = 0;
COMPARE_M_SIMD (r0, r1, z, z);
}
}
KERNEL_FQ void m90000_m08 (KERN_ATTR_RULES ())
{
}
KERNEL_FQ void m90000_m16 (KERN_ATTR_RULES ())
{
}
KERNEL_FQ void m90000_s04 (KERN_ATTR_RULES ())
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= GID_CNT) return;
u32 pw_buf0[4];
u32 pw_buf1[4];
pw_buf0[0] = pws[gid].i[0];
pw_buf0[1] = pws[gid].i[1];
pw_buf0[2] = pws[gid].i[2];
pw_buf0[3] = pws[gid].i[3];
pw_buf1[0] = pws[gid].i[4];
pw_buf1[1] = pws[gid].i[5];
pw_buf1[2] = pws[gid].i[6];
pw_buf1[3] = pws[gid].i[7];
const u32 pw_len = pws[gid].pw_len & 63;
/**
* digest
*/
const u32 search[4] =
{
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R0],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R1],
0,
0
};
/**
* seed
*/
/**
* loop
*/
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
{
u32x w[16] = { 0 };
const u32x out_len = apply_rules_vect_optimized (pw_buf0, pw_buf1, pw_len, rules_buf, il_pos, w + 0, w + 4);
u64x hash = MurmurHash64A (w, out_len);
const u32x r0 = l32_from_64(hash);
const u32x r1 = h32_from_64(hash);
const u32x z = 0;
COMPARE_S_SIMD (r0, r1, z, z);
}
}
KERNEL_FQ void m90000_s08 (KERN_ATTR_RULES ())
{
}
KERNEL_FQ void m90000_s16 (KERN_ATTR_RULES ())
{
}

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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
//too much register pressure
//#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)
#endif
DECLSPEC u64 MurmurHash64A_round (PRIVATE_AS const u8 *data, u64 hash, const u32 cur_pos) {
#define M 0xc6a4a7935bd1e995
#define R 47
u64 k = ((u64) data[cur_pos])
| ((u64) data[cur_pos + 1] << 8)
| ((u64) data[cur_pos + 2] << 16)
| ((u64) data[cur_pos + 3] << 24)
| ((u64) data[cur_pos + 4] << 32)
| ((u64) data[cur_pos + 5] << 40)
| ((u64) data[cur_pos + 6] << 48)
| ((u64) data[cur_pos + 7] << 56);
k *= M;
k ^= k >> R;
k *= M;
hash ^= k;
hash *= M;
#undef M
#undef R
return hash;
}
DECLSPEC u64 MurmurHash64A_final (PRIVATE_AS const u8 *data, u64 hash, const u32 cur_pos, const u32 len) {
#define M 0xc6a4a7935bd1e995
#define R 47
const u32 overflow = len & 7;
switch (overflow) {
case 7: hash ^= ((u64) data[cur_pos + 6]) << 48;
case 6: hash ^= ((u64) data[cur_pos + 5]) << 40;
case 5: hash ^= ((u64) data[cur_pos + 4]) << 32;
case 4: hash ^= ((u64) data[cur_pos + 3]) << 24;
case 3: hash ^= ((u64) data[cur_pos + 2]) << 16;
case 2: hash ^= ((u64) data[cur_pos + 1]) << 8;
case 1: hash ^= ((u64) data[cur_pos]);
hash *= M;
}
hash ^= hash >> R;
hash *= M;
hash ^= hash >> R;
#undef M
#undef R
return hash;
}
DECLSPEC u64 MurmurHash64A (PRIVATE_AS const u32 *data, const u32 len)
{
#define M 0xc6a4a7935bd1e995
#define R 47
//Initialize hash
u64 hash = 0 ^ (len * M);
//const u64 INITIAL = hash;
const u32 endpos = len - (len & 7);
//const u32 nBlocks = len >> 3; // number of 8 byte blocks
const u8 *data2 = (const u8*) data;
//u64 MIDDLE_OF_BLOCK = 0;
// Loop over blocks of 8 bytes
u32 i = 0;
while (i != endpos) {
hash = MurmurHash64A_round(data2, hash, i);
i += 8;
}
// Overflow
//const u64 BEFORE_FINAL = hash;
hash = MurmurHash64A_final (data2, hash, i, len);
//const u64 AFTER_FINAL = hash;
//printf("debug: %016lx:%016lx:%c%c%c%c%c%c%c%c%c%c len: %d INITIAL: %016lx MIDDLE_O_BLK: %016lx B4FINAL: %016lx overflow: %d AFTER_FINAL: %016lx\n", hash, seed, data2[0], data2[1], data2[2], data2[3], data2[4], data2[5], data2[6], data2[7], data2[8], data2[9], len, INITIAL, MIDDLE_OF_BLOCK, BEFORE_FINAL, overflow, AFTER_FINAL);
//printf("data2 = %.2s, len = %d\n", data2[0], len);
#undef M
#undef R
return hash;
}
KERNEL_FQ void m90000_m04 (KERN_ATTR_BASIC ())
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
if (gid >= GID_CNT) return;
/**
* base
*/
u32 pw_buf0[4];
u32 pw_buf1[4];
pw_buf0[0] = pws[gid].i[0];
pw_buf0[1] = pws[gid].i[1];
pw_buf0[2] = pws[gid].i[2];
pw_buf0[3] = pws[gid].i[3];
pw_buf1[0] = pws[gid].i[4];
pw_buf1[1] = pws[gid].i[5];
pw_buf1[2] = pws[gid].i[6];
pw_buf1[3] = pws[gid].i[7];
const u32 pw_l_len = pws[gid].pw_len & 63;
/**
* seed
*/
/**
* loop
*/
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
{
const u32 pw_r_len = pwlenx_create_combt (combs_buf, il_pos) & 63;
const u32 pw_len = (pw_l_len + pw_r_len) & 63;
/**
* concat password candidate
*/
u32 wordl0[4] = { 0 };
u32 wordl1[4] = { 0 };
u32 wordl2[4] = { 0 };
u32 wordl3[4] = { 0 };
wordl0[0] = pw_buf0[0];
wordl0[1] = pw_buf0[1];
wordl0[2] = pw_buf0[2];
wordl0[3] = pw_buf0[3];
wordl1[0] = pw_buf1[0];
wordl1[1] = pw_buf1[1];
wordl1[2] = pw_buf1[2];
wordl1[3] = pw_buf1[3];
u32 wordr0[4] = { 0 };
u32 wordr1[4] = { 0 };
u32 wordr2[4] = { 0 };
u32 wordr3[4] = { 0 };
wordr0[0] = ix_create_combt (combs_buf, il_pos, 0);
wordr0[1] = ix_create_combt (combs_buf, il_pos, 1);
wordr0[2] = ix_create_combt (combs_buf, il_pos, 2);
wordr0[3] = ix_create_combt (combs_buf, il_pos, 3);
wordr1[0] = ix_create_combt (combs_buf, il_pos, 4);
wordr1[1] = ix_create_combt (combs_buf, il_pos, 5);
wordr1[2] = ix_create_combt (combs_buf, il_pos, 6);
wordr1[3] = ix_create_combt (combs_buf, il_pos, 7);
if (COMBS_MODE == COMBINATOR_MODE_BASE_LEFT)
{
switch_buffer_by_offset_le_VV (wordr0, wordr1, wordr2, wordr3, pw_l_len);
}
else
{
switch_buffer_by_offset_le_VV (wordl0, wordl1, wordl2, wordl3, pw_r_len);
}
u32 w[16];
w[ 0] = wordl0[0] | wordr0[0];
w[ 1] = wordl0[1] | wordr0[1];
w[ 2] = wordl0[2] | wordr0[2];
w[ 3] = wordl0[3] | wordr0[3];
w[ 4] = wordl1[0] | wordr1[0];
w[ 5] = wordl1[1] | wordr1[1];
w[ 6] = wordl1[2] | wordr1[2];
w[ 7] = wordl1[3] | wordr1[3];
w[ 8] = wordl2[0] | wordr2[0];
w[ 9] = wordl2[1] | wordr2[1];
w[10] = wordl2[2] | wordr2[2];
w[11] = wordl2[3] | wordr2[3];
w[12] = wordl3[0] | wordr3[0];
w[13] = wordl3[1] | wordr3[1];
w[14] = wordl3[2] | wordr3[2];
w[15] = wordl3[3] | wordr3[3];
u64x hash = MurmurHash64A (w, pw_len);
const u32x r0 = l32_from_64(hash);
const u32x r1 = h32_from_64(hash);
const u32x z = 0;
COMPARE_M_SIMD (r0, r1, z, z);
}
}
KERNEL_FQ void m90000_m08 (KERN_ATTR_BASIC ())
{
}
KERNEL_FQ void m90000_m16 (KERN_ATTR_BASIC ())
{
}
KERNEL_FQ void m90000_s04 (KERN_ATTR_BASIC ())
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
if (gid >= GID_CNT) return;
/**
* base
*/
u32 pw_buf0[4];
u32 pw_buf1[4];
pw_buf0[0] = pws[gid].i[0];
pw_buf0[1] = pws[gid].i[1];
pw_buf0[2] = pws[gid].i[2];
pw_buf0[3] = pws[gid].i[3];
pw_buf1[0] = pws[gid].i[4];
pw_buf1[1] = pws[gid].i[5];
pw_buf1[2] = pws[gid].i[6];
pw_buf1[3] = pws[gid].i[7];
const u32 pw_l_len = pws[gid].pw_len & 63;
/**
* seed
*/
/**
* digest
*/
const u32 search[4] =
{
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R0],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R1],
0,
0
};
/**
* loop
*/
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
{
const u32 pw_r_len = pwlenx_create_combt (combs_buf, il_pos) & 63;
const u32 pw_len = (pw_l_len + pw_r_len) & 63;
/**
* concat password candidate
*/
u32 wordl0[4] = { 0 };
u32 wordl1[4] = { 0 };
u32 wordl2[4] = { 0 };
u32 wordl3[4] = { 0 };
wordl0[0] = pw_buf0[0];
wordl0[1] = pw_buf0[1];
wordl0[2] = pw_buf0[2];
wordl0[3] = pw_buf0[3];
wordl1[0] = pw_buf1[0];
wordl1[1] = pw_buf1[1];
wordl1[2] = pw_buf1[2];
wordl1[3] = pw_buf1[3];
u32 wordr0[4] = { 0 };
u32 wordr1[4] = { 0 };
u32 wordr2[4] = { 0 };
u32 wordr3[4] = { 0 };
wordr0[0] = ix_create_combt (combs_buf, il_pos, 0);
wordr0[1] = ix_create_combt (combs_buf, il_pos, 1);
wordr0[2] = ix_create_combt (combs_buf, il_pos, 2);
wordr0[3] = ix_create_combt (combs_buf, il_pos, 3);
wordr1[0] = ix_create_combt (combs_buf, il_pos, 4);
wordr1[1] = ix_create_combt (combs_buf, il_pos, 5);
wordr1[2] = ix_create_combt (combs_buf, il_pos, 6);
wordr1[3] = ix_create_combt (combs_buf, il_pos, 7);
if (COMBS_MODE == COMBINATOR_MODE_BASE_LEFT)
{
switch_buffer_by_offset_le_VV (wordr0, wordr1, wordr2, wordr3, pw_l_len);
}
else
{
switch_buffer_by_offset_le_VV (wordl0, wordl1, wordl2, wordl3, pw_r_len);
}
u32 w[16];
w[ 0] = wordl0[0] | wordr0[0];
w[ 1] = wordl0[1] | wordr0[1];
w[ 2] = wordl0[2] | wordr0[2];
w[ 3] = wordl0[3] | wordr0[3];
w[ 4] = wordl1[0] | wordr1[0];
w[ 5] = wordl1[1] | wordr1[1];
w[ 6] = wordl1[2] | wordr1[2];
w[ 7] = wordl1[3] | wordr1[3];
w[ 8] = wordl2[0] | wordr2[0];
w[ 9] = wordl2[1] | wordr2[1];
w[10] = wordl2[2] | wordr2[2];
w[11] = wordl2[3] | wordr2[3];
w[12] = wordl3[0] | wordr3[0];
w[13] = wordl3[1] | wordr3[1];
w[14] = wordl3[2] | wordr3[2];
w[15] = wordl3[3] | wordr3[3];
u64 hash = MurmurHash64A (w, pw_len);
const u32 r0 = l32_from_64(hash);
const u32 r1 = h32_from_64(hash);
const u32 z = 0;
COMPARE_S_SIMD (r0, r1, z, z);
}
}
KERNEL_FQ void m90000_s08 (KERN_ATTR_BASIC ())
{
}
KERNEL_FQ void m90000_s16 (KERN_ATTR_BASIC ())
{
}

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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)
#endif
DECLSPEC u64x MurmurHash64A (PRIVATE_AS const u32x *data, const u32 len)
{
#define M 0xc6a4a7935bd1e995
#define R 47
//Initialize hash
u64x hash = 0 ^ (len * M);
//printf("INITIAL = %08x%08x\n", h32_from_64(hash), l32_from_64(hash));
const u32 endpos = len - (len & 7);
const u8 *data2 = (const u8*) data;
//printf("seed = %08x%08x\n", h32_from_64(seed), l32_from_64(seed));
//printf("data2 = %c%c%c%c%c%c%c%c\n", data2[0], data2[1], data2[2], data2[3], data2[4], data2[5], data2[6], data2[7]);
//printf("len = %d\n", len);
// Loop over blocks of 8 bytes
u32 i = 0;
while (i != endpos) {
u64x k = ((u64) data2[i])
| ((u64) data2[i + 1] << 8)
| ((u64) data2[i + 2] << 16)
| ((u64) data2[i + 3] << 24)
| ((u64) data2[i + 4] << 32)
| ((u64) data2[i + 5] << 40)
| ((u64) data2[i + 6] << 48)
| ((u64) data2[i + 7] << 56);
k *= M;
k ^= k >> R;
k *= M;
hash ^= k;
hash *= M;
i += 8;
}
//printf("BEFORE_OVERFLOW = %08x%08x\n", h32_from_64(hash), l32_from_64(hash));
// Overflow
const u32 overflow = len & 7;
//printf("OVERFLOW = %d\n", overflow);
switch (overflow) {
case 7: hash ^= ((u64) data2[i + 6]) << 48;
case 6: hash ^= ((u64) data2[i + 5]) << 40;
case 5: hash ^= ((u64) data2[i + 4]) << 32;
case 4: hash ^= ((u64) data2[i + 3]) << 24;
case 3: hash ^= ((u64) data2[i + 2]) << 16;
case 2: hash ^= ((u64) data2[i + 1]) << 8;
case 1: hash ^= ((u64) data2[i]);
hash *= M;
}
//printf("AFTER_OVERFLOW = %08x%08x\n", h32_from_64(hash), l32_from_64(hash));
hash ^= hash >> R;
hash *= M;
hash ^= hash >> R;
#undef M
#undef R
//printf("hash = %08x%08x\n", h32_from_64(hash), l32_from_64(hash));
return hash;
}
DECLSPEC void m90000m (PRIVATE_AS const u32 *data, const u32 pw_len, KERN_ATTR_FUNC_VECTOR ())
{
/**
* modifiers are taken from args
*/
/**
* seed
*/
/**
* base
*/
u32x w[16];
w[ 0] = data[ 0];
w[ 1] = data[ 1];
w[ 2] = data[ 2];
w[ 3] = data[ 3];
w[ 4] = data[ 4];
w[ 5] = data[ 5];
w[ 6] = data[ 6];
w[ 7] = data[ 7];
w[ 8] = data[ 8];
w[ 9] = data[ 9];
w[10] = data[10];
w[11] = data[11];
w[12] = data[12];
w[13] = data[13];
w[14] = data[14];
w[15] = data[15];
//const u8 *data2 = (const u8*) data;
//printf("w = %c%c%c%c%c%c%c%c\n", data2[0], data2[1], data2[2], data2[3], data2[4], data2[5], data2[6], data2[7]);
/**
* loop
*/
u32x w0l = w[0];
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
{
const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
const u32x w0 = w0l | w0r;
w[0] = w0;
//printf("seed = %08x%08x\n", seed_hi, seed_lo);
const u64x hash = MurmurHash64A (w, pw_len);
const u32x r0 = l32_from_64(hash);
const u32x r1 = h32_from_64(hash);
const u32x z = 0;
//printf("hash = %08x%08x\n", r1, r0);
COMPARE_M_SIMD (r0, r1, z, z);
}
}
DECLSPEC void m90000s (PRIVATE_AS const u32 *data, const u32 pw_len, KERN_ATTR_FUNC_VECTOR ())
{
/**
* modifiers are taken from args
*/
/**
* digest
*/
//printf("Hello world m90000s\n");
const u32 search[4] =
{
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R0],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R1],
0,
0
};
/**
* seed
*/
/**
* base
*/
u32x w[16];
w[ 0] = data[ 0];
w[ 1] = data[ 1];
w[ 2] = data[ 2];
w[ 3] = data[ 3];
w[ 4] = data[ 4];
w[ 5] = data[ 5];
w[ 6] = data[ 6];
w[ 7] = data[ 7];
w[ 8] = data[ 8];
w[ 9] = data[ 9];
w[10] = data[10];
w[11] = data[11];
w[12] = data[12];
w[13] = data[13];
w[14] = data[14];
w[15] = data[15];
/**
* loop
*/
u32x w0l = w[0];
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
{
const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
const u32x w0 = w0l | w0r;
w[0] = w0;
const u64x hash = MurmurHash64A (w, pw_len);
const u32x r0 = l32_from_64(hash);
const u32x r1 = h32_from_64(hash);
const u32x z = 0;
//printf("r1 = %08x r0 = %08x\n", r1, r0);
//printf("hash = %08x%08x\n", r1, r0);
COMPARE_S_SIMD (r0, r1, z, z);
}
}
KERNEL_FQ void m90000_m04 (KERN_ATTR_VECTOR ())
{
/**
* base
*/
//printf("Hello world m90000_m04\n");
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w[16];
w[ 0] = pws[gid].i[ 0];
w[ 1] = pws[gid].i[ 1];
w[ 2] = pws[gid].i[ 2];
w[ 3] = pws[gid].i[ 3];
w[ 4] = 0;
w[ 5] = 0;
w[ 6] = 0;
w[ 7] = 0;
w[ 8] = 0;
w[ 9] = 0;
w[10] = 0;
w[11] = 0;
w[12] = 0;
w[13] = 0;
w[14] = 0;
w[15] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
//printf("pws[gid].pw_len = %d\n", pws[gid].pw_len);
/**
* main
*/
m90000m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m90000_m08 (KERN_ATTR_VECTOR ())
{
/**
* base
*/
//printf("Hello world m90000_m08\n");
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w[16];
w[ 0] = pws[gid].i[ 0];
w[ 1] = pws[gid].i[ 1];
w[ 2] = pws[gid].i[ 2];
w[ 3] = pws[gid].i[ 3];
w[ 4] = pws[gid].i[ 4];
w[ 5] = pws[gid].i[ 5];
w[ 6] = pws[gid].i[ 6];
w[ 7] = pws[gid].i[ 7];
w[ 8] = 0;
w[ 9] = 0;
w[10] = 0;
w[11] = 0;
w[12] = 0;
w[13] = 0;
w[14] = 0;
w[15] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
m90000m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m90000_m16 (KERN_ATTR_VECTOR ())
{
/**
* base
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w[16];
w[ 0] = pws[gid].i[ 0];
w[ 1] = pws[gid].i[ 1];
w[ 2] = pws[gid].i[ 2];
w[ 3] = pws[gid].i[ 3];
w[ 4] = pws[gid].i[ 4];
w[ 5] = pws[gid].i[ 5];
w[ 6] = pws[gid].i[ 6];
w[ 7] = pws[gid].i[ 7];
w[ 8] = pws[gid].i[ 8];
w[ 9] = pws[gid].i[ 9];
w[10] = pws[gid].i[10];
w[11] = pws[gid].i[11];
w[12] = pws[gid].i[12];
w[13] = pws[gid].i[13];
w[14] = pws[gid].i[14];
w[15] = pws[gid].i[15];
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
m90000m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m90000_s04 (KERN_ATTR_VECTOR ())
{
/**
* base
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w[16];
w[ 0] = pws[gid].i[ 0];
w[ 1] = pws[gid].i[ 1];
w[ 2] = pws[gid].i[ 2];
w[ 3] = pws[gid].i[ 3];
w[ 4] = 0;
w[ 5] = 0;
w[ 6] = 0;
w[ 7] = 0;
w[ 8] = 0;
w[ 9] = 0;
w[10] = 0;
w[11] = 0;
w[12] = 0;
w[13] = 0;
w[14] = 0;
w[15] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
m90000s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m90000_s08 (KERN_ATTR_VECTOR ())
{
/**
* base
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w[16];
w[ 0] = pws[gid].i[ 0];
w[ 1] = pws[gid].i[ 1];
w[ 2] = pws[gid].i[ 2];
w[ 3] = pws[gid].i[ 3];
w[ 4] = pws[gid].i[ 4];
w[ 5] = pws[gid].i[ 5];
w[ 6] = pws[gid].i[ 6];
w[ 7] = pws[gid].i[ 7];
w[ 8] = 0;
w[ 9] = 0;
w[10] = 0;
w[11] = 0;
w[12] = 0;
w[13] = 0;
w[14] = 0;
w[15] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
m90000s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}
KERNEL_FQ void m90000_s16 (KERN_ATTR_VECTOR ())
{
/**
* base
*/
const u64 lid = get_local_id (0);
const u64 gid = get_global_id (0);
const u64 lsz = get_local_size (0);
if (gid >= GID_CNT) return;
u32 w[16];
w[ 0] = pws[gid].i[ 0];
w[ 1] = pws[gid].i[ 1];
w[ 2] = pws[gid].i[ 2];
w[ 3] = pws[gid].i[ 3];
w[ 4] = pws[gid].i[ 4];
w[ 5] = pws[gid].i[ 5];
w[ 6] = pws[gid].i[ 6];
w[ 7] = pws[gid].i[ 7];
w[ 8] = pws[gid].i[ 8];
w[ 9] = pws[gid].i[ 9];
w[10] = pws[gid].i[10];
w[11] = pws[gid].i[11];
w[12] = pws[gid].i[12];
w[13] = pws[gid].i[13];
w[14] = pws[gid].i[14];
w[15] = pws[gid].i[15];
const u32 pw_len = pws[gid].pw_len & 63;
/**
* main
*/
m90000s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, kernel_param, gid, lid, lsz);
}

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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
#include "common.h"
#include "types.h"
#include "modules.h"
#include "bitops.h"
#include "convert.h"
#include "shared.h"
static const u32 ATTACK_EXEC = ATTACK_EXEC_INSIDE_KERNEL;
static const u32 DGST_POS0 = 0;
static const u32 DGST_POS1 = 1;
static const u32 DGST_POS2 = 2;
static const u32 DGST_POS3 = 3;
static const u32 DGST_SIZE = DGST_SIZE_8_2;
static const u32 HASH_CATEGORY = HASH_CATEGORY_RAW_HASH;
static const char *HASH_NAME = "MurmurHash64A Zero Seed";
static const u64 KERN_TYPE = 90010;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_USES_BITS_64;
static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE
| OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_SUGGEST_KG;
static const u32 SALT_TYPE = SALT_TYPE_NONE;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "73f8142b4326d36a";
u32 module_attack_exec (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ATTACK_EXEC; }
u32 module_dgst_pos0 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS0; }
u32 module_dgst_pos1 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS1; }
u32 module_dgst_pos2 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS2; }
u32 module_dgst_pos3 (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_POS3; }
u32 module_dgst_size (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return DGST_SIZE; }
u32 module_hash_category (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_CATEGORY; }
const char *module_hash_name (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return HASH_NAME; }
u64 module_kern_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return KERN_TYPE; }
u32 module_opti_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTI_TYPE; }
u64 module_opts_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return OPTS_TYPE; }
u32 module_salt_type (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return SALT_TYPE; }
const char *module_st_hash (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_HASH; }
const char *module_st_pass (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) { return ST_PASS; }
int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED void *digest_buf, MAYBE_UNUSED salt_t *salt, MAYBE_UNUSED void *esalt_buf, MAYBE_UNUSED void *hook_salt_buf, MAYBE_UNUSED hashinfo_t *hash_info, const char *line_buf, MAYBE_UNUSED const int line_len)
{
u64 *digest = (u64 *) digest_buf;
hc_token_t token;
memset (&token, 0, sizeof (hc_token_t));
token.token_cnt = 1;
token.len[0] = 16;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
// digest
const u8 *hash_pos = token.buf[0];
// we have 16 chars (hash hex string, big endian)
digest[0] = ((hex_to_u64 (&hash_pos[0])));
digest[1] = 0;
digest[0] = byte_swap_64 (digest[0]);
// now `digest` contains a proper little endian u64
return (PARSER_OK);
}
int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const void *digest_buf, MAYBE_UNUSED const salt_t *salt, MAYBE_UNUSED const void *esalt_buf, MAYBE_UNUSED const void *hook_salt_buf, MAYBE_UNUSED const hashinfo_t *hash_info, char *line_buf, MAYBE_UNUSED const int line_size)
{
const u64 *digest = (const u64 *) digest_buf;
// we can not change anything in the original buffer, otherwise destroying sorting
// therefore create some local buffer
u8 *out_buf = (u8 *) line_buf;
const int out_len = 16;
u64_to_hex (byte_swap_64 (digest[0]), out_buf);
return out_len;
}
void module_init (module_ctx_t *module_ctx)
{
module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT;
module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT;
module_ctx->module_attack_exec = module_attack_exec;
module_ctx->module_benchmark_esalt = MODULE_DEFAULT;
module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT;
module_ctx->module_benchmark_mask = MODULE_DEFAULT;
module_ctx->module_benchmark_charset = MODULE_DEFAULT;
module_ctx->module_benchmark_salt = MODULE_DEFAULT;
module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
module_ctx->module_deep_comp_kernel = MODULE_DEFAULT;
module_ctx->module_deprecated_notice = MODULE_DEFAULT;
module_ctx->module_dgst_pos0 = module_dgst_pos0;
module_ctx->module_dgst_pos1 = module_dgst_pos1;
module_ctx->module_dgst_pos2 = module_dgst_pos2;
module_ctx->module_dgst_pos3 = module_dgst_pos3;
module_ctx->module_dgst_size = module_dgst_size;
module_ctx->module_dictstat_disable = MODULE_DEFAULT;
module_ctx->module_esalt_size = MODULE_DEFAULT;
module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
module_ctx->module_extra_tmp_size = MODULE_DEFAULT;
module_ctx->module_extra_tuningdb_block = MODULE_DEFAULT;
module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
module_ctx->module_hash_binary_count = MODULE_DEFAULT;
module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
module_ctx->module_hash_binary_save = MODULE_DEFAULT;
module_ctx->module_hash_decode_postprocess = MODULE_DEFAULT;
module_ctx->module_hash_decode_potfile = MODULE_DEFAULT;
module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
module_ctx->module_hash_decode = module_hash_decode;
module_ctx->module_hash_encode_status = MODULE_DEFAULT;
module_ctx->module_hash_encode_potfile = MODULE_DEFAULT;
module_ctx->module_hash_encode = module_hash_encode;
module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
module_ctx->module_hash_mode = MODULE_DEFAULT;
module_ctx->module_hash_category = module_hash_category;
module_ctx->module_hash_name = module_hash_name;
module_ctx->module_hashes_count_min = MODULE_DEFAULT;
module_ctx->module_hashes_count_max = MODULE_DEFAULT;
module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_size = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_init = MODULE_DEFAULT;
module_ctx->module_hook_extra_param_term = MODULE_DEFAULT;
module_ctx->module_hook12 = MODULE_DEFAULT;
module_ctx->module_hook23 = MODULE_DEFAULT;
module_ctx->module_hook_salt_size = MODULE_DEFAULT;
module_ctx->module_hook_size = MODULE_DEFAULT;
module_ctx->module_jit_build_options = MODULE_DEFAULT;
module_ctx->module_jit_cache_disable = MODULE_DEFAULT;
module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
module_ctx->module_kern_type = module_kern_type;
module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;
module_ctx->module_opti_type = module_opti_type;
module_ctx->module_opts_type = module_opts_type;
module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
module_ctx->module_potfile_custom_check = MODULE_DEFAULT;
module_ctx->module_potfile_disable = MODULE_DEFAULT;
module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
module_ctx->module_pwdump_column = MODULE_DEFAULT;
module_ctx->module_pw_max = MODULE_DEFAULT;
module_ctx->module_pw_min = MODULE_DEFAULT;
module_ctx->module_salt_max = MODULE_DEFAULT;
module_ctx->module_salt_min = MODULE_DEFAULT;
module_ctx->module_salt_type = module_salt_type;
module_ctx->module_separator = MODULE_DEFAULT;
module_ctx->module_st_hash = module_st_hash;
module_ctx->module_st_pass = module_st_pass;
module_ctx->module_tmp_size = MODULE_DEFAULT;
module_ctx->module_unstable_warning = MODULE_DEFAULT;
module_ctx->module_warmup_disable = MODULE_DEFAULT;
}

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#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Math::BigInt;
sub module_constraints { [[0, 256], [-1, -1], [0, 63], [-1, -1], [0, 63]] }
sub wrapping_mul
{
my $a = shift;
my $b = shift;
# 2**64
my $width = Math::BigInt->new("0x10000000000000000");
return ($a * $b)->bmod($width);
}
sub murmurhash64a
{
use integer;
my $word = shift;
my $seed = 0;
# https://gitlab.com/lschwiderski/vt2_bundle_unpacker/-/blob/master/src/murmur/murmurhash64.rs
# 'm' and 'r' are mixing constants generated offline.
# They're not really 'magic', they just happen to work well.
my $m = Math::BigInt->new("0xc6a4a7935bd1e995");
#my $m = 0xc6a4a7935bd1e995;
my $r = 47;
my @chars = unpack ("C*", $word);
my $len = length $word;
my $hash = $seed ^ wrapping_mul ($len, $m);
my $endpos = $len - ($len & 7);
my $i;
for ($i = 0; $i < $endpos; $i += 8)
{
my $c0 = $chars[$i + 0];
my $c1 = $chars[$i + 1];
my $c2 = $chars[$i + 2];
my $c3 = $chars[$i + 3];
my $c4 = $chars[$i + 4];
my $c5 = $chars[$i + 5];
my $c6 = $chars[$i + 6];
my $c7 = $chars[$i + 7];
my $k = ($c0 << 0)
| ($c1 << 8)
| ($c2 << 16)
| ($c3 << 24)
| ($c4 << 32)
| ($c5 << 40)
| ($c6 << 48)
| ($c7 << 56);
$k = wrapping_mul ($k, $m);
$k ^= $k >> $r;
$k = wrapping_mul ($k, $m);
$hash ^= $k;
$hash = wrapping_mul ($hash, $m);
}
my $overflow = $len & 7;
if ($overflow == 7)
{
$hash ^= $chars[$i + 6] << 48;
}
if ($overflow >= 6)
{
$hash ^= $chars[$i + 5] << 40;
}
if ($overflow >= 5)
{
$hash ^= $chars[$i + 4] << 32;
}
if ($overflow >= 4)
{
$hash ^= $chars[$i + 3] << 24;
}
if ($overflow >= 3)
{
$hash ^= $chars[$i + 2] << 16;
}
if ($overflow >= 2)
{
$hash ^= $chars[$i + 1] << 8;
}
if ($overflow >= 1)
{
$hash ^= $chars[$i + 0] << 0;
}
if ($overflow > 0)
{
$hash = wrapping_mul ($hash, $m);
}
$hash ^= $hash >> $r;
$hash = wrapping_mul ($hash, $m);
$hash ^= $hash >> $r;
return $hash;
}
sub module_generate_hash
{
my $word = shift;
my $digest = murmurhash64a ($word);
$digest = unpack ("H*", pack ("Q>", $digest));
my $hash = sprintf ("%s", $digest);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my ($hash, $word) = split (':', $line, 2);
return unless defined $hash;
return unless defined $word;
return unless length $hash == 16;
return unless ($hash =~ m/^[0-9a-fA-F]{16}$/);
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed);
return ($new_hash, $word);
}
1;