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mirror of https://github.com/hashcat/hashcat.git synced 2024-11-22 08:08:10 +00:00

refactor -m 25700 = MurmurHash

This commit is contained in:
philsmd 2022-07-02 11:53:53 +02:00
parent 96072dbc61
commit 9f524afb28
3 changed files with 90 additions and 75 deletions

View File

@ -15,7 +15,7 @@
#include M2S(INCLUDE_PATH/inc_simd.cl)
#endif
DECLSPEC u32 MurmurHash (const u32 seed, PRIVATE_AS const u32 *w, const int pw_len)
DECLSPEC u32 MurmurHash (const u32 seed, PRIVATE_AS const u32 *w, const u32 pw_len)
{
u32 hash = seed;
@ -24,26 +24,21 @@ DECLSPEC u32 MurmurHash (const u32 seed, PRIVATE_AS const u32 *w, const int pw_l
hash += 0xdeadbeef;
int i;
int j;
const u32 blocks = pw_len / 4;
for (i = 0, j = 0; i < pw_len - 3; i += 4, j += 1)
if (pw_len >= 4)
{
const u32 tmp = w[j];
for (u32 i = 0; i < blocks; i++)
{
const u32 tmp = (hash + w[i]) * M;
hash += tmp;
hash *= M;
hash ^= hash >> R;
hash = tmp ^ (tmp >> R);
}
}
if (pw_len & 3)
{
const u32 tmp = w[j];
const u32 tmp = (hash + w[blocks]) * M;
hash += tmp;
hash *= M;
hash ^= hash >> R;
}
hash = (pw_len & 3) ? (tmp ^ (tmp >> R)) : hash;
hash *= M;
hash ^= hash >> 10;

View File

@ -14,7 +14,7 @@
#include M2S(INCLUDE_PATH/inc_simd.cl)
#endif
DECLSPEC u32 MurmurHash (const u32 seed, PRIVATE_AS const u32 *w, const int pw_len)
DECLSPEC u32 MurmurHash (const u32 seed, PRIVATE_AS const u32 *w, const u32 pw_len)
{
u32 hash = seed;
@ -23,26 +23,21 @@ DECLSPEC u32 MurmurHash (const u32 seed, PRIVATE_AS const u32 *w, const int pw_l
hash += 0xdeadbeef;
int i;
int j;
const u32 blocks = pw_len / 4;
for (i = 0, j = 0; i < pw_len - 3; i += 4, j += 1)
if (pw_len >= 4)
{
const u32 tmp = w[j];
for (u32 i = 0; i < blocks; i++)
{
const u32 tmp = (hash + w[i]) * M;
hash += tmp;
hash *= M;
hash ^= hash >> R;
hash = tmp ^ (tmp >> R);
}
}
if (pw_len & 3)
{
const u32 tmp = w[j];
const u32 tmp = (hash + w[blocks]) * M;
hash += tmp;
hash *= M;
hash ^= hash >> R;
}
hash = (pw_len & 3) ? (tmp ^ (tmp >> R)) : hash;
hash *= M;
hash ^= hash >> 10;

View File

@ -14,7 +14,7 @@
#include M2S(INCLUDE_PATH/inc_hash_md5.cl)
#endif
DECLSPEC u32x MurmurHash_w0 (const u32 seed, const u32x w0, PRIVATE_AS const u32 *w, const int pw_len)
DECLSPEC u32x MurmurHash (const u32x seed, PRIVATE_AS const u32x *w, const u32 pw_len)
{
u32x hash = seed;
@ -23,46 +23,21 @@ DECLSPEC u32x MurmurHash_w0 (const u32 seed, const u32x w0, PRIVATE_AS const u32
hash += 0xdeadbeef;
u32x tmp = w0;
const u32 blocks = pw_len / 4;
if (pw_len >= 4)
{
hash += w0;
hash *= M;
hash ^= hash >> R;
int i;
int j;
for (i = 4, j = 1; i < pw_len - 3; i += 4, j += 1)
for (u32 i = 0; i < blocks; i++)
{
tmp = w[j];
const u32x tmp = (hash + w[i]) * M;
hash += tmp;
hash *= M;
hash ^= hash >> R;
hash = tmp ^ (tmp >> R);
}
}
if (pw_len & 3)
{
tmp = w[j];
const u32x tmp = (hash + w[blocks]) * M;
hash += tmp;
hash *= M;
hash ^= hash >> R;
}
}
else
{
if (pw_len & 3)
{
tmp = w0;
hash += tmp;
hash *= M;
hash ^= hash >> R;
}
}
hash = (pw_len & 3) ? (tmp ^ (tmp >> R)) : hash;
hash *= M;
hash ^= hash >> 10;
@ -75,7 +50,7 @@ DECLSPEC u32x MurmurHash_w0 (const u32 seed, const u32x w0, PRIVATE_AS const u32
return hash;
}
DECLSPEC void m25700m (PRIVATE_AS const u32 *w, const u32 pw_len, KERN_ATTR_FUNC_VECTOR ())
DECLSPEC void m25700m (PRIVATE_AS const u32 *data, const u32 pw_len, KERN_ATTR_FUNC_VECTOR ())
{
/**
* modifiers are taken from args
@ -85,13 +60,36 @@ DECLSPEC void m25700m (PRIVATE_AS const u32 *w, const u32 pw_len, KERN_ATTR_FUNC
* seed
*/
const u32 seed = salt_bufs[SALT_POS_HOST].salt_buf[0];
const u32x seed = salt_bufs[SALT_POS_HOST].salt_buf[0];
/**
* 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
*/
u32 w0l = w[0];
u32x w0l = w[0];
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
{
@ -99,7 +97,9 @@ DECLSPEC void m25700m (PRIVATE_AS const u32 *w, const u32 pw_len, KERN_ATTR_FUNC
const u32x w0 = w0l | w0r;
const u32x hash = MurmurHash_w0 (seed, w0, w, pw_len);
w[0] = w0;
const u32x hash = MurmurHash (seed, w, pw_len);
const u32x r0 = hash;
const u32x r1 = 0;
@ -110,7 +110,7 @@ DECLSPEC void m25700m (PRIVATE_AS const u32 *w, const u32 pw_len, KERN_ATTR_FUNC
}
}
DECLSPEC void m25700s (PRIVATE_AS const u32 *w, const u32 pw_len, KERN_ATTR_FUNC_VECTOR ())
DECLSPEC void m25700s (PRIVATE_AS const u32 *data, const u32 pw_len, KERN_ATTR_FUNC_VECTOR ())
{
/**
* modifiers are taken from args
@ -132,13 +132,36 @@ DECLSPEC void m25700s (PRIVATE_AS const u32 *w, const u32 pw_len, KERN_ATTR_FUNC
* seed
*/
const u32 seed = salt_bufs[SALT_POS_HOST].salt_buf[0];
const u32x seed = salt_bufs[SALT_POS_HOST].salt_buf[0];
/**
* 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
*/
u32 w0l = w[0];
u32x w0l = w[0];
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos += VECT_SIZE)
{
@ -146,7 +169,9 @@ DECLSPEC void m25700s (PRIVATE_AS const u32 *w, const u32 pw_len, KERN_ATTR_FUNC
const u32x w0 = w0l | w0r;
const u32x hash = MurmurHash_w0 (seed, w0, w, pw_len);
w[0] = w0;
const u32x hash = MurmurHash (seed, w, pw_len);
const u32x r0 = hash;
const u32x r1 = 0;
@ -185,7 +210,7 @@ KERNEL_FQ void m25700_m04 (KERN_ATTR_VECTOR ())
w[11] = 0;
w[12] = 0;
w[13] = 0;
w[14] = pws[gid].i[14];
w[14] = 0;
w[15] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
@ -225,7 +250,7 @@ KERNEL_FQ void m25700_m08 (KERN_ATTR_VECTOR ())
w[11] = 0;
w[12] = 0;
w[13] = 0;
w[14] = pws[gid].i[14];
w[14] = 0;
w[15] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
@ -305,7 +330,7 @@ KERNEL_FQ void m25700_s04 (KERN_ATTR_VECTOR ())
w[11] = 0;
w[12] = 0;
w[13] = 0;
w[14] = pws[gid].i[14];
w[14] = 0;
w[15] = 0;
const u32 pw_len = pws[gid].pw_len & 63;
@ -345,7 +370,7 @@ KERNEL_FQ void m25700_s08 (KERN_ATTR_VECTOR ())
w[11] = 0;
w[12] = 0;
w[13] = 0;
w[14] = pws[gid].i[14];
w[14] = 0;
w[15] = 0;
const u32 pw_len = pws[gid].pw_len & 63;