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Merge pull request #3482 from davidrozen76/master

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Add hash-mode 3730 - Dahua NVR/DVR - md5($salt1.strtoupper(md5($salt2…
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Jens Steube 2022-10-28 21:41:03 +02:00 committed by GitHub
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6 changed files with 1202 additions and 1 deletions
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287
OpenCL/m03730_a0-pure.cl Normal file
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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.h)
#include M2S(INCLUDE_PATH/inc_rp.cl)
#include M2S(INCLUDE_PATH/inc_scalar.cl)
#include M2S(INCLUDE_PATH/inc_hash_md5.cl)
#endif
#if VECT_SIZE == 1
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i)])
#elif VECT_SIZE == 2
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1])
#elif VECT_SIZE == 4
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3])
#elif VECT_SIZE == 8
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3], u_bin2asc[(i).s4], u_bin2asc[(i).s5], u_bin2asc[(i).s6], u_bin2asc[(i).s7])
#elif VECT_SIZE == 16
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3], u_bin2asc[(i).s4], u_bin2asc[(i).s5], u_bin2asc[(i).s6], u_bin2asc[(i).s7], u_bin2asc[(i).s8], u_bin2asc[(i).s9], u_bin2asc[(i).sa], u_bin2asc[(i).sb], u_bin2asc[(i).sc], u_bin2asc[(i).sd], u_bin2asc[(i).se], u_bin2asc[(i).sf])
#endif
typedef struct md5_double_salt
{
u32 salt1_buf[64];
int salt1_len;
u32 salt2_buf[64];
int salt2_len;
} md5_double_salt_t;
KERNEL_FQ void m03730_mxx (KERN_ATTR_ESALT (md5_double_salt_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
const u64 lsz = get_local_size (0);
/**
* bin2asc uppercase table
*/
LOCAL_VK u32 u_bin2asc[256];
for (u32 j = lid; j < 256; j += lsz)
{
const u32 i0 = (j >> 0) & 15;
const u32 i1 = (j >> 4) & 15;
u_bin2asc[j] = ((i0 < 10) ? '0' + i0 : 'A' - 10 + i0) << 8
| ((i1 < 10) ? '0' + i1 : 'A' - 10 + i1) << 0;
}
SYNC_THREADS ();
if (gid >= GID_CNT) return;
/**
* base
*/
COPY_PW (pws[gid]);
const u32 salt_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
u32 s[64] = { 0 };
for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
}
md5_ctx_t ctx0;
md5_init (&ctx0);
md5_update_global (&ctx0, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len);
/**
* loop
*/
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos++)
{
pw_t tmp = PASTE_PW;
md5_ctx_t ctx1 = ctx0;
md5_update(&ctx1, pws[gid].i, pws[gid].pw_len);
md5_final (&ctx1);
const u32 a = ctx1.h[0];
const u32 b = ctx1.h[1];
const u32 c = ctx1.h[2];
const u32 d = ctx1.h[3];
md5_ctx_t ctx;
md5_init (&ctx);
md5_update (&ctx, s, salt_len);
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = uint_to_hex_upper8 ((a >> 0) & 255) << 0
| uint_to_hex_upper8 ((a >> 8) & 255) << 16;
w0[1] = uint_to_hex_upper8 ((a >> 16) & 255) << 0
| uint_to_hex_upper8 ((a >> 24) & 255) << 16;
w0[2] = uint_to_hex_upper8 ((b >> 0) & 255) << 0
| uint_to_hex_upper8 ((b >> 8) & 255) << 16;
w0[3] = uint_to_hex_upper8 ((b >> 16) & 255) << 0
| uint_to_hex_upper8 ((b >> 24) & 255) << 16;
w1[0] = uint_to_hex_upper8 ((c >> 0) & 255) << 0
| uint_to_hex_upper8 ((c >> 8) & 255) << 16;
w1[1] = uint_to_hex_upper8 ((c >> 16) & 255) << 0
| uint_to_hex_upper8 ((c >> 24) & 255) << 16;
w1[2] = uint_to_hex_upper8 ((d >> 0) & 255) << 0
| uint_to_hex_upper8 ((d >> 8) & 255) << 16;
w1[3] = uint_to_hex_upper8 ((d >> 16) & 255) << 0
| uint_to_hex_upper8 ((d >> 24) & 255) << 16;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
md5_update_64 (&ctx, w0, w1, w2, w3, 32);
md5_final (&ctx);
const u32 r0 = ctx.h[DGST_R0];
const u32 r1 = ctx.h[DGST_R1];
const u32 r2 = ctx.h[DGST_R2];
const u32 r3 = ctx.h[DGST_R3];
COMPARE_M_SCALAR (r0, r1, r2, r3);
}
}
KERNEL_FQ void m03730_sxx (KERN_ATTR_ESALT (md5_double_salt_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
const u64 lsz = get_local_size (0);
/**
* bin2asc uppercase table
*/
LOCAL_VK u32 u_bin2asc[256];
for (u32 j = lid; j < 256; j += lsz)
{
const u32 i0 = (j >> 0) & 15;
const u32 i1 = (j >> 4) & 15;
u_bin2asc[j] = ((i0 < 10) ? '0' + i0 : 'A' - 10 + i0) << 8
| ((i1 < 10) ? '0' + i1 : 'A' - 10 + i1) << 0;
}
SYNC_THREADS ();
if (gid >= GID_CNT) return;
/**
* digest
*/
const u32 search[4] =
{
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R0],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R1],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R2],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R3]
};
/**
* base
*/
COPY_PW (pws[gid]);
const u32 salt_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
u32 s[64] = { 0 };
for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
}
md5_ctx_t ctx0;
md5_init (&ctx0);
md5_update_global (&ctx0, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len);
/**
* loop
*/
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos++)
{
pw_t tmp = PASTE_PW;
md5_ctx_t ctx1 = ctx0;
md5_update (&ctx1, pws[gid].i, pws[gid].pw_len);
md5_final (&ctx1);
const u32 a = ctx1.h[0];
const u32 b = ctx1.h[1];
const u32 c = ctx1.h[2];
const u32 d = ctx1.h[3];
md5_ctx_t ctx;
md5_init (&ctx);
md5_update (&ctx, s, salt_len);
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = uint_to_hex_upper8 ((a >> 0) & 255) << 0
| uint_to_hex_upper8 ((a >> 8) & 255) << 16;
w0[1] = uint_to_hex_upper8 ((a >> 16) & 255) << 0
| uint_to_hex_upper8 ((a >> 24) & 255) << 16;
w0[2] = uint_to_hex_upper8 ((b >> 0) & 255) << 0
| uint_to_hex_upper8 ((b >> 8) & 255) << 16;
w0[3] = uint_to_hex_upper8 ((b >> 16) & 255) << 0
| uint_to_hex_upper8 ((b >> 24) & 255) << 16;
w1[0] = uint_to_hex_upper8 ((c >> 0) & 255) << 0
| uint_to_hex_upper8 ((c >> 8) & 255) << 16;
w1[1] = uint_to_hex_upper8 ((c >> 16) & 255) << 0
| uint_to_hex_upper8 ((c >> 24) & 255) << 16;
w1[2] = uint_to_hex_upper8 ((d >> 0) & 255) << 0
| uint_to_hex_upper8 ((d >> 8) & 255) << 16;
w1[3] = uint_to_hex_upper8 ((d >> 16) & 255) << 0
| uint_to_hex_upper8 ((d >> 24) & 255) << 16;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
md5_update_64 (&ctx, w0, w1, w2, w3, 32);
md5_final (&ctx);
const u32 r0 = ctx.h[DGST_R0];
const u32 r1 = ctx.h[DGST_R1];
const u32 r2 = ctx.h[DGST_R2];
const u32 r3 = ctx.h[DGST_R3];
COMPARE_S_SCALAR (r0, r1, r2, r3);
}
}

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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_scalar.cl)
#include M2S(INCLUDE_PATH/inc_hash_md5.cl)
#endif
#if VECT_SIZE == 1
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i)])
#elif VECT_SIZE == 2
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1])
#elif VECT_SIZE == 4
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3])
#elif VECT_SIZE == 8
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3], u_bin2asc[(i).s4], u_bin2asc[(i).s5], u_bin2asc[(i).s6], u_bin2asc[(i).s7])
#elif VECT_SIZE == 16
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3], u_bin2asc[(i).s4], u_bin2asc[(i).s5], u_bin2asc[(i).s6], u_bin2asc[(i).s7], u_bin2asc[(i).s8], u_bin2asc[(i).s9], u_bin2asc[(i).sa], u_bin2asc[(i).sb], u_bin2asc[(i).sc], u_bin2asc[(i).sd], u_bin2asc[(i).se], u_bin2asc[(i).sf])
#endif
typedef struct md5_double_salt
{
u32 salt1_buf[64];
int salt1_len;
u32 salt2_buf[64];
int salt2_len;
} md5_double_salt_t;
KERNEL_FQ void m03730_mxx (KERN_ATTR_ESALT (md5_double_salt_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
const u64 lsz = get_local_size (0);
/**
* bin2asc uppercase array
*/
LOCAL_VK u32 u_bin2asc[256];
for (u32 j = lid; j < 256; j += lsz)
{
const u32 i0 = (j >> 0) & 15;
const u32 i1 = (j >> 4) & 15;
u_bin2asc[j] = ((i0 < 10) ? '0' + i0 : 'A' - 10 + i0) << 8
| ((i1 < 10) ? '0' + i1 : 'A' - 10 + i1) << 0;
}
SYNC_THREADS ();
if (gid >= GID_CNT) return;
/**
* base
*/
const u32 salt_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
u32 s[64] = { 0 };
for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
}
md5_ctx_t ctx0;
md5_init (&ctx0);
md5_update_global (&ctx0, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len);
md5_update_global (&ctx0, pws[gid].i, pws[gid].pw_len);
/**
* loop
*/
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos++)
{
md5_ctx_t ctx1 = ctx0;
md5_update_global (&ctx1, combs_buf[il_pos].i, combs_buf[il_pos].pw_len);
md5_final (&ctx1);
const u32 a = ctx1.h[0];
const u32 b = ctx1.h[1];
const u32 c = ctx1.h[2];
const u32 d = ctx1.h[3];
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = uint_to_hex_upper8 ((a >> 0) & 255) << 0
| uint_to_hex_upper8 ((a >> 8) & 255) << 16;
w0[1] = uint_to_hex_upper8 ((a >> 16) & 255) << 0
| uint_to_hex_upper8 ((a >> 24) & 255) << 16;
w0[2] = uint_to_hex_upper8 ((b >> 0) & 255) << 0
| uint_to_hex_upper8 ((b >> 8) & 255) << 16;
w0[3] = uint_to_hex_upper8 ((b >> 16) & 255) << 0
| uint_to_hex_upper8 ((b >> 24) & 255) << 16;
w1[0] = uint_to_hex_upper8 ((c >> 0) & 255) << 0
| uint_to_hex_upper8 ((c >> 8) & 255) << 16;
w1[1] = uint_to_hex_upper8 ((c >> 16) & 255) << 0
| uint_to_hex_upper8 ((c >> 24) & 255) << 16;
w1[2] = uint_to_hex_upper8 ((d >> 0) & 255) << 0
| uint_to_hex_upper8 ((d >> 8) & 255) << 16;
w1[3] = uint_to_hex_upper8 ((d >> 16) & 255) << 0
| uint_to_hex_upper8 ((d >> 24) & 255) << 16;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
md5_ctx_t ctx;
md5_init (&ctx);
md5_update (&ctx, s, salt_len);
md5_update_64 (&ctx, w0, w1, w2, w3, 32);
md5_final (&ctx);
const u32 r0 = ctx.h[DGST_R0];
const u32 r1 = ctx.h[DGST_R1];
const u32 r2 = ctx.h[DGST_R2];
const u32 r3 = ctx.h[DGST_R3];
COMPARE_M_SCALAR (r0, r1, r2, r3);
}
}
KERNEL_FQ void m03730_sxx (KERN_ATTR_ESALT (md5_double_salt_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
const u64 lsz = get_local_size (0);
/**
* bin2asc uppercase array
*/
LOCAL_VK u32 u_bin2asc[256];
for (u32 j = lid; j < 256; j += lsz)
{
const u32 i0 = (j >> 0) & 15;
const u32 i1 = (j >> 4) & 15;
u_bin2asc[j] = ((i0 < 10) ? '0' + i0 : 'A' - 10 + i0) << 8
| ((i1 < 10) ? '0' + i1 : 'A' - 10 + i1) << 0;
}
SYNC_THREADS ();
if (gid >= GID_CNT) return;
/**
* digest
*/
const u32 search[4] =
{
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R0],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R1],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R2],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R3]
};
const u32 salt_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
u32 s[64] = { 0 };
for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
}
/**
* base
*/
md5_ctx_t ctx0;
md5_init (&ctx0);
md5_update_global (&ctx0, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len);
md5_update_global (&ctx0, pws[gid].i, pws[gid].pw_len);
/**
* loop
*/
for (u32 il_pos = 0; il_pos < IL_CNT; il_pos++)
{
md5_ctx_t ctx1 = ctx0;
md5_update_global (&ctx1, combs_buf[il_pos].i, combs_buf[il_pos].pw_len);
md5_final (&ctx1);
const u32 a = ctx1.h[0];
const u32 b = ctx1.h[1];
const u32 c = ctx1.h[2];
const u32 d = ctx1.h[3];
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
w0[0] = uint_to_hex_upper8 ((a >> 0) & 255) << 0
| uint_to_hex_upper8 ((a >> 8) & 255) << 16;
w0[1] = uint_to_hex_upper8 ((a >> 16) & 255) << 0
| uint_to_hex_upper8 ((a >> 24) & 255) << 16;
w0[2] = uint_to_hex_upper8 ((b >> 0) & 255) << 0
| uint_to_hex_upper8 ((b >> 8) & 255) << 16;
w0[3] = uint_to_hex_upper8 ((b >> 16) & 255) << 0
| uint_to_hex_upper8 ((b >> 24) & 255) << 16;
w1[0] = uint_to_hex_upper8 ((c >> 0) & 255) << 0
| uint_to_hex_upper8 ((c >> 8) & 255) << 16;
w1[1] = uint_to_hex_upper8 ((c >> 16) & 255) << 0
| uint_to_hex_upper8 ((c >> 24) & 255) << 16;
w1[2] = uint_to_hex_upper8 ((d >> 0) & 255) << 0
| uint_to_hex_upper8 ((d >> 8) & 255) << 16;
w1[3] = uint_to_hex_upper8 ((d >> 16) & 255) << 0
| uint_to_hex_upper8 ((d >> 24) & 255) << 16;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
md5_ctx_t ctx;
md5_init (&ctx);
md5_update (&ctx, s, salt_len);
md5_update_64 (&ctx, w0, w1, w2, w3, 32);
md5_final (&ctx);
const u32 r0 = ctx.h[DGST_R0];
const u32 r1 = ctx.h[DGST_R1];
const u32 r2 = ctx.h[DGST_R2];
const u32 r3 = ctx.h[DGST_R3];
COMPARE_S_SCALAR (r0, r1, r2, r3);
}
}

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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_md5.cl)
#endif
#if VECT_SIZE == 1
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i)])
#elif VECT_SIZE == 2
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1])
#elif VECT_SIZE == 4
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3])
#elif VECT_SIZE == 8
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3], u_bin2asc[(i).s4], u_bin2asc[(i).s5], u_bin2asc[(i).s6], u_bin2asc[(i).s7])
#elif VECT_SIZE == 16
#define uint_to_hex_upper8(i) make_u32x (u_bin2asc[(i).s0], u_bin2asc[(i).s1], u_bin2asc[(i).s2], u_bin2asc[(i).s3], u_bin2asc[(i).s4], u_bin2asc[(i).s5], u_bin2asc[(i).s6], u_bin2asc[(i).s7], u_bin2asc[(i).s8], u_bin2asc[(i).s9], u_bin2asc[(i).sa], u_bin2asc[(i).sb], u_bin2asc[(i).sc], u_bin2asc[(i).sd], u_bin2asc[(i).se], u_bin2asc[(i).sf])
#endif
typedef struct md5_double_salt
{
u32 salt1_buf[64];
int salt1_len;
u32 salt2_buf[64];
int salt2_len;
} md5_double_salt_t;
KERNEL_FQ void m03730_mxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
const u64 lsz = get_local_size (0);
/**
* bin2asc uppercase array
*/
LOCAL_VK u32 u_bin2asc[256];
for (u32 j = lid; j < 256; j += lsz)
{
const u32 i0 = (j >> 0) & 15;
const u32 i1 = (j >> 4) & 15;
u_bin2asc[j] = ((i0 < 10) ? '0' + i0 : 'A' - 10 + i0) << 8
| ((i1 < 10) ? '0' + i1 : 'A' - 10 + i1) << 0;
}
SYNC_THREADS ();
if (gid >= GID_CNT) return;
/**
* base
*/
const u32 pw_len = pws[gid].pw_len;
u32x w[64] = { 0 };
for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
{
w[idx] = pws[gid].i[idx];
}
const u32 salt_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
u32 s[64] = { 0 };
for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
}
md5_ctx_vector_t ctx0;
md5_init_vector (&ctx0);
md5_update_vector (&ctx0, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len);
/**
* 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 w0lr = w0l | w0r;
w[0] = w0lr;
md5_ctx_vector_t ctx1 = ctx0;
md5_update_vector (&ctx1, w, pw_len);
md5_final_vector (&ctx1);
const u32x a = ctx1.h[0];
const u32x b = ctx1.h[1];
const u32x c = ctx1.h[2];
const u32x d = ctx1.h[3];
md5_ctx_vector_t ctx;
md5_init_vector (&ctx);
md5_update_vector (&ctx, s, salt_len);
u32x w0[4];
u32x w1[4];
u32x w2[4];
u32x w3[4];
w0[0] = uint_to_hex_upper8 ((a >> 0) & 255) << 0
| uint_to_hex_upper8 ((a >> 8) & 255) << 16;
w0[1] = uint_to_hex_upper8 ((a >> 16) & 255) << 0
| uint_to_hex_upper8 ((a >> 24) & 255) << 16;
w0[2] = uint_to_hex_upper8 ((b >> 0) & 255) << 0
| uint_to_hex_upper8 ((b >> 8) & 255) << 16;
w0[3] = uint_to_hex_upper8 ((b >> 16) & 255) << 0
| uint_to_hex_upper8 ((b >> 24) & 255) << 16;
w1[0] = uint_to_hex_upper8 ((c >> 0) & 255) << 0
| uint_to_hex_upper8 ((c >> 8) & 255) << 16;
w1[1] = uint_to_hex_upper8 ((c >> 16) & 255) << 0
| uint_to_hex_upper8 ((c >> 24) & 255) << 16;
w1[2] = uint_to_hex_upper8 ((d >> 0) & 255) << 0
| uint_to_hex_upper8 ((d >> 8) & 255) << 16;
w1[3] = uint_to_hex_upper8 ((d >> 16) & 255) << 0
| uint_to_hex_upper8 ((d >> 24) & 255) << 16;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
md5_update_vector_64 (&ctx, w0, w1, w2, w3, 32);
md5_final_vector (&ctx);
const u32x r0 = ctx.h[DGST_R0];
const u32x r1 = ctx.h[DGST_R1];
const u32x r2 = ctx.h[DGST_R2];
const u32x r3 = ctx.h[DGST_R3];
COMPARE_M_SIMD (r0, r1, r2, r3);
}
}
KERNEL_FQ void m03730_sxx (KERN_ATTR_VECTOR_ESALT (md5_double_salt_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
const u64 lid = get_local_id (0);
const u64 lsz = get_local_size (0);
/*
* bin2asc uppercase table
*/
LOCAL_VK u32 u_bin2asc[256];
for (u32 j = lid; j < 256; j += lsz)
{
const u32 i0 = (j >> 0) & 15;
const u32 i1 = (j >> 4) & 15;
u_bin2asc[j] = ((i0 < 10) ? '0' + i0 : 'A' - 10 + i0) << 8
| ((i1 < 10) ? '0' + i1 : 'A' - 10 + i1) << 0;
}
SYNC_THREADS ();
if (gid >= GID_CNT) return;
/**
* digest
*/
const u32 search[4] =
{
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R0],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R1],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R2],
digests_buf[DIGESTS_OFFSET_HOST].digest_buf[DGST_R3]
};
/**
* base
*/
const u32 pw_len = pws[gid].pw_len;
u32x w[64] = { 0 };
for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
{
w[idx] = pws[gid].i[idx];
}
const u32 salt_len = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_len;
u32 s[64] = { 0 };
for (u32 i = 0, idx = 0; i < salt_len; i += 4, idx += 1)
{
s[idx] = esalt_bufs[DIGESTS_OFFSET_HOST].salt1_buf[idx];
}
md5_ctx_vector_t ctx0;
md5_init_vector (&ctx0);
md5_update_vector (&ctx0, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_buf, esalt_bufs[DIGESTS_OFFSET_HOST].salt2_len);
/**
* 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 w0lr = w0l | w0r;
w[0] = w0lr;
md5_ctx_vector_t ctx1 = ctx0;
md5_update_vector (&ctx1, w, pw_len);
md5_final_vector (&ctx1);
const u32x a = ctx1.h[0];
const u32x b = ctx1.h[1];
const u32x c = ctx1.h[2];
const u32x d = ctx1.h[3];
md5_ctx_vector_t ctx;
md5_init_vector (&ctx);
md5_update_vector (&ctx, s, salt_len);
u32x w0[4];
u32x w1[4];
u32x w2[4];
u32x w3[4];
w0[0] = uint_to_hex_upper8 ((a >> 0) & 255) << 0
| uint_to_hex_upper8 ((a >> 8) & 255) << 16;
w0[1] = uint_to_hex_upper8 ((a >> 16) & 255) << 0
| uint_to_hex_upper8 ((a >> 24) & 255) << 16;
w0[2] = uint_to_hex_upper8 ((b >> 0) & 255) << 0
| uint_to_hex_upper8 ((b >> 8) & 255) << 16;
w0[3] = uint_to_hex_upper8 ((b >> 16) & 255) << 0
| uint_to_hex_upper8 ((b >> 24) & 255) << 16;
w1[0] = uint_to_hex_upper8 ((c >> 0) & 255) << 0
| uint_to_hex_upper8 ((c >> 8) & 255) << 16;
w1[1] = uint_to_hex_upper8 ((c >> 16) & 255) << 0
| uint_to_hex_upper8 ((c >> 24) & 255) << 16;
w1[2] = uint_to_hex_upper8 ((d >> 0) & 255) << 0
| uint_to_hex_upper8 ((d >> 8) & 255) << 16;
w1[3] = uint_to_hex_upper8 ((d >> 16) & 255) << 0
| uint_to_hex_upper8 ((d >> 24) & 255) << 16;
w2[0] = 0;
w2[1] = 0;
w2[2] = 0;
w2[3] = 0;
w3[0] = 0;
w3[1] = 0;
w3[2] = 0;
w3[3] = 0;
md5_update_vector_64 (&ctx, w0, w1, w2, w3, 32);
md5_final_vector (&ctx);
const u32x r0 = ctx.h[DGST_R0];
const u32x r1 = ctx.h[DGST_R1];
const u32x r2 = ctx.h[DGST_R2];
const u32x r3 = ctx.h[DGST_R3];
COMPARE_S_SIMD (r0, r1, r2, r3);
}
}

3
docs/changes.txt
View File

@ -9,6 +9,7 @@
- Added hash-mode: ENCsecurity Datavault (PBKDF2/keychain)
- Added hash-mode: ENCsecurity Datavault (MD5/no keychain)
- Added hash-mode: ENCsecurity Datavault (MD5/keychain)
- Added hash-mode: Dahua NVR/DVR/HVR (md5($salt1.strtoupper(md5($salt2.$pass))))
##
## Technical
@ -1885,4 +1886,4 @@ It combines all features of all hashcat projects in one project.
- Created environment variable to inform pocl OpenCL runtime to not create its own kernel cache
- Dropped special 64-bit rotate() handling for NV, it seems that they've added it to their OpenCL runtime
- Completely get rid of HAVE_ADL, HAVE_NVML and HAVE_NVAPI in sources
- Replaced NVAPI with NVML on windows
- Replaced NVAPI with NVML on windows

276
src/modules/module_03730.c Normal file
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@ -0,0 +1,276 @@
/**
* 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"
#include "emu_inc_hash_md5.h"
static const u32 ATTACK_EXEC = ATTACK_EXEC_INSIDE_KERNEL;
static const u32 DGST_POS0 = 0;
static const u32 DGST_POS1 = 3;
static const u32 DGST_POS2 = 2;
static const u32 DGST_POS3 = 1;
static const u32 DGST_SIZE = DGST_SIZE_4_4;
static const u32 HASH_CATEGORY = HASH_CATEGORY_RAW_HASH_SALTED;
static const char *HASH_NAME = "md5($salt1.strtoupper(md5($salt2.$pass)))";
static const u64 KERN_TYPE = 3730;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_PRECOMPUTE_INIT
| OPTI_TYPE_EARLY_SKIP;
static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE
| OPTS_TYPE_PT_GENERATE_LE
| OPTS_TYPE_PT_ADD80
| OPTS_TYPE_PT_ADDBITS14;
static const u32 SALT_TYPE = SALT_TYPE_GENERIC;
static const char *ST_PASS = "hashcat";
static const char *ST_HASH = "0e1484eb061b8e9cfd81868bba1dc4a0:229381927:182719643";
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; }
typedef struct md5_double_salt
{
u32 salt1_buf[64];
int salt1_len;
u32 salt2_buf[64];
int salt2_len;
} md5_double_salt_t;
u64 module_esalt_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)
{
const u64 esalt_size = (const u64) sizeof (md5_double_salt_t);
return esalt_size;
}
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)
{
u32 *digest = (u32 *) digest_buf;
md5_double_salt_t *md5_double_salt = (md5_double_salt_t *) esalt_buf;
hc_token_t token;
token.token_cnt = 3;
token.sep[0] = hashconfig->separator;
token.len_min[0] = 32;
token.len_max[0] = 32;
token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.sep[1] = hashconfig->separator;
token.len_min[1] = SALT_MIN;
token.len_max[1] = SALT_MAX;
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH;
token.sep[2] = hashconfig->separator;
token.len_min[2] = SALT_MIN;
token.len_max[2] = SALT_MAX;
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH;
if (hashconfig->opts_type & OPTS_TYPE_ST_HEX)
{
token.len_min[1] *= 2;
token.len_max[1] *= 2;
token.attr[1] |= TOKEN_ATTR_VERIFY_HEX;
token.len_min[2] *= 2;
token.len_max[2] *= 2;
token.attr[2] |= 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);
const u8 *hash_pos = token.buf[0];
digest[0] = hex_to_u32 (hash_pos + 0);
digest[1] = hex_to_u32 (hash_pos + 8);
digest[2] = hex_to_u32 (hash_pos + 16);
digest[3] = hex_to_u32 (hash_pos + 24);
if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
{
digest[0] -= MD5M_A;
digest[1] -= MD5M_B;
digest[2] -= MD5M_C;
digest[3] -= MD5M_D;
}
const bool parse_rc1 = generic_salt_decode (hashconfig, token.buf[1], token.len[1], (u8 *) md5_double_salt->salt1_buf, (int *) &md5_double_salt->salt1_len);
if (parse_rc1 == false) return (PARSER_SALT_LENGTH);
const bool parse_rc2 = generic_salt_decode (hashconfig, token.buf[2], token.len[2], (u8 *) md5_double_salt->salt2_buf, (int *) &md5_double_salt->salt2_len);
if (parse_rc2 == false) return (PARSER_SALT_LENGTH);
// make salt sorter happy
md5_ctx_t md5_ctx;
md5_init (&md5_ctx);
md5_update (&md5_ctx, md5_double_salt->salt1_buf, md5_double_salt->salt1_len);
md5_update (&md5_ctx, md5_double_salt->salt2_buf, md5_double_salt->salt2_len);
md5_final (&md5_ctx);
salt->salt_buf[0] = md5_ctx.h[0];
salt->salt_buf[1] = md5_ctx.h[1];
salt->salt_buf[2] = md5_ctx.h[2];
salt->salt_buf[3] = md5_ctx.h[3];
salt->salt_len = 16;
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 u32 *digest = (const u32 *) digest_buf;
const md5_double_salt_t *md5_double_salt = (const md5_double_salt_t *) esalt_buf;
// we can not change anything in the original buffer, otherwise destroying sorting
// therefore create some local buffer
u32 tmp[4];
tmp[0] = digest[0];
tmp[1] = digest[1];
tmp[2] = digest[2];
tmp[3] = digest[3];
if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
{
tmp[0] += MD5M_A;
tmp[1] += MD5M_B;
tmp[2] += MD5M_C;
tmp[3] += MD5M_D;
}
u8 *out_buf = (u8 *) line_buf;
int out_len = 0;
u32_to_hex (tmp[0], out_buf + out_len); out_len += 8;
u32_to_hex (tmp[1], out_buf + out_len); out_len += 8;
u32_to_hex (tmp[2], out_buf + out_len); out_len += 8;
u32_to_hex (tmp[3], out_buf + out_len); out_len += 8;
out_buf[out_len] = hashconfig->separator;
out_len += 1;
out_len += generic_salt_encode (hashconfig, (const u8 *) md5_double_salt->salt1_buf, (const int) md5_double_salt->salt1_len, out_buf + out_len);
out_buf[out_len] = hashconfig->separator;
out_len += 1;
out_len += generic_salt_encode (hashconfig, (const u8 *) md5_double_salt->salt2_buf, (const int) md5_double_salt->salt2_len, out_buf + out_len);
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_esalt_size;
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;
}

45
tools/test_modules/m03730.pm Normal file
View File

@ -0,0 +1,45 @@
#!/usr/bin/env perl
##
## Author......: See docs/credits.txt
## License.....: MIT
##
use strict;
use warnings;
use Digest::MD5 qw (md5_hex);
sub module_constraints { [[0, 255], [0, 255], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt1 = shift;
my $salt2 = shift || random_numeric_string (128);
my $digest = md5_hex ($salt1 . uc(md5_hex ($salt2 . $word)));
my $hash = sprintf ("%s:%s:%s", $digest, $salt1, $salt2);
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my ($hash, $salt, $word) = split (':', $line);
return unless defined $hash;
return unless defined $salt;
return unless defined $word;
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, $salt);
return ($new_hash, $word);
}
1;