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Merge pull request #2905 from matrix/snmpv3_sha512

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Added hash-mode: SNMPv3 HMAC-SHA512-384
This commit is contained in:
Jens Steube 2021-08-04 21:05:50 +02:00 committed by GitHub
commit bb622ee988
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4 changed files with 970 additions and 0 deletions
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495
OpenCL/m27300-pure.cl Normal file
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/**
* Author......: See docs/credits.txt
* License.....: MIT
*/
//#define NEW_SIMD_CODE
#ifdef KERNEL_STATIC
#include "inc_vendor.h"
#include "inc_types.h"
#include "inc_platform.cl"
#include "inc_common.cl"
#include "inc_simd.cl"
#include "inc_hash_sha512.cl"
#endif
#define COMPARE_S "inc_comp_single.cl"
#define COMPARE_M "inc_comp_multi.cl"
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_ENGINEID_MAX 34
#define SNMPV3_MSG_AUTH_PARAMS_MAX 48
#define SNMPV3_ROUNDS 1048576
#define SNMPV3_MAX_PW_LENGTH 128
#define SNMPV3_TMP_ELEMS 8192 // 8192 = (256 (max pw length) * SNMPV3_MAX_PW_LENGTH) / sizeof (u32)
#define SNMPV3_HASH_ELEMS 8
#define SNMPV3_MAX_SALT_ELEMS 512 // 512 * 4 = 2048 > 1500, also has to be multiple of SNMPV3_MAX_PW_LENGTH
#define SNMPV3_MAX_ENGINE_ELEMS 32 // 32 * 4 = 128 > 34, also has to be multiple of SNMPV3_MAX_PW_LENGTH
#define SNMPV3_MAX_PNUM_ELEMS 4 // 4 * 4 = 16 > 9
#define SNMPV3_MAX_PW_LENGTH_OPT 32
#define SNMPV3_TMP_ELEMS_OPT ((SNMPV3_MAX_PW_LENGTH_OPT * SNMPV3_MAX_PW_LENGTH) / 4)
// (32 * 128) / 4 = 1024
// for pw length > 32 we use global memory reads
typedef struct hmac_sha512_tmp
{
u32 tmp[SNMPV3_TMP_ELEMS];
u64 h[SNMPV3_HASH_ELEMS];
} hmac_sha512_tmp_t;
typedef struct snmpv3
{
u32 salt_buf[SNMPV3_MAX_SALT_ELEMS];
u32 salt_len;
u32 engineID_buf[SNMPV3_MAX_ENGINE_ELEMS];
u32 engineID_len;
u32 packet_number[SNMPV3_MAX_PNUM_ELEMS];
} snmpv3_t;
KERNEL_FQ void m27300_init (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
/**
* base
*/
const u32 pw_len = pws[gid].pw_len;
u32 w[128] = { 0 };
for (u32 i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
{
w[idx] = pws[gid].i[idx];
}
u8 *src_ptr = (u8 *) w;
// password 128 times, also swapped
u32 dst_buf[32];
u8 *dst_ptr = (u8 *) dst_buf;
int tmp_idx = 0;
for (int i = 0; i < 128; i++)
{
for (u32 j = 0; j < pw_len; j++)
{
const int dst_idx = tmp_idx & 127;
dst_ptr[dst_idx] = src_ptr[j];
// write to global memory every time 64 byte are written into cache
if (dst_idx == 127)
{
const int tmp_idx4 = (tmp_idx - 127) / 4;
tmps[gid].tmp[tmp_idx4 + 0] = hc_swap32_S (dst_buf[ 0]);
tmps[gid].tmp[tmp_idx4 + 1] = hc_swap32_S (dst_buf[ 1]);
tmps[gid].tmp[tmp_idx4 + 2] = hc_swap32_S (dst_buf[ 2]);
tmps[gid].tmp[tmp_idx4 + 3] = hc_swap32_S (dst_buf[ 3]);
tmps[gid].tmp[tmp_idx4 + 4] = hc_swap32_S (dst_buf[ 4]);
tmps[gid].tmp[tmp_idx4 + 5] = hc_swap32_S (dst_buf[ 5]);
tmps[gid].tmp[tmp_idx4 + 6] = hc_swap32_S (dst_buf[ 6]);
tmps[gid].tmp[tmp_idx4 + 7] = hc_swap32_S (dst_buf[ 7]);
tmps[gid].tmp[tmp_idx4 + 8] = hc_swap32_S (dst_buf[ 8]);
tmps[gid].tmp[tmp_idx4 + 9] = hc_swap32_S (dst_buf[ 9]);
tmps[gid].tmp[tmp_idx4 + 10] = hc_swap32_S (dst_buf[10]);
tmps[gid].tmp[tmp_idx4 + 11] = hc_swap32_S (dst_buf[11]);
tmps[gid].tmp[tmp_idx4 + 12] = hc_swap32_S (dst_buf[12]);
tmps[gid].tmp[tmp_idx4 + 13] = hc_swap32_S (dst_buf[13]);
tmps[gid].tmp[tmp_idx4 + 14] = hc_swap32_S (dst_buf[14]);
tmps[gid].tmp[tmp_idx4 + 15] = hc_swap32_S (dst_buf[15]);
tmps[gid].tmp[tmp_idx4 + 16] = hc_swap32_S (dst_buf[16]);
tmps[gid].tmp[tmp_idx4 + 17] = hc_swap32_S (dst_buf[17]);
tmps[gid].tmp[tmp_idx4 + 18] = hc_swap32_S (dst_buf[18]);
tmps[gid].tmp[tmp_idx4 + 19] = hc_swap32_S (dst_buf[19]);
tmps[gid].tmp[tmp_idx4 + 20] = hc_swap32_S (dst_buf[20]);
tmps[gid].tmp[tmp_idx4 + 21] = hc_swap32_S (dst_buf[21]);
tmps[gid].tmp[tmp_idx4 + 22] = hc_swap32_S (dst_buf[22]);
tmps[gid].tmp[tmp_idx4 + 23] = hc_swap32_S (dst_buf[23]);
tmps[gid].tmp[tmp_idx4 + 24] = hc_swap32_S (dst_buf[24]);
tmps[gid].tmp[tmp_idx4 + 25] = hc_swap32_S (dst_buf[25]);
tmps[gid].tmp[tmp_idx4 + 26] = hc_swap32_S (dst_buf[26]);
tmps[gid].tmp[tmp_idx4 + 27] = hc_swap32_S (dst_buf[27]);
tmps[gid].tmp[tmp_idx4 + 28] = hc_swap32_S (dst_buf[28]);
tmps[gid].tmp[tmp_idx4 + 29] = hc_swap32_S (dst_buf[29]);
tmps[gid].tmp[tmp_idx4 + 30] = hc_swap32_S (dst_buf[30]);
tmps[gid].tmp[tmp_idx4 + 31] = hc_swap32_S (dst_buf[31]);
}
tmp_idx++;
}
}
// hash
tmps[gid].h[0] = SHA512M_A;
tmps[gid].h[1] = SHA512M_B;
tmps[gid].h[2] = SHA512M_C;
tmps[gid].h[3] = SHA512M_D;
tmps[gid].h[4] = SHA512M_E;
tmps[gid].h[5] = SHA512M_F;
tmps[gid].h[6] = SHA512M_G;
tmps[gid].h[7] = SHA512M_H;
}
KERNEL_FQ void m27300_loop (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
{
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
u64 h[8];
h[0] = tmps[gid].h[0];
h[1] = tmps[gid].h[1];
h[2] = tmps[gid].h[2];
h[3] = tmps[gid].h[3];
h[4] = tmps[gid].h[4];
h[5] = tmps[gid].h[5];
h[6] = tmps[gid].h[6];
h[7] = tmps[gid].h[7];
const u32 pw_len = pws[gid].pw_len;
const int pw_len128 = pw_len * 128;
if (pw_len <= SNMPV3_MAX_PW_LENGTH_OPT)
{
u32 tmp[SNMPV3_TMP_ELEMS_OPT];
for (int i = 0; i < pw_len128 / 4; i++)
{
tmp[i] = tmps[gid].tmp[i];
}
for (u32 i = 0, j = loop_pos; i < loop_cnt; i += 128, j += 128)
{
const int idx = (j % pw_len128) / 4; // the optimization trick is to be able to do this
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] = tmp[idx + 0];
w0[1] = tmp[idx + 1];
w0[2] = tmp[idx + 2];
w0[3] = tmp[idx + 3];
w1[0] = tmp[idx + 4];
w1[1] = tmp[idx + 5];
w1[2] = tmp[idx + 6];
w1[3] = tmp[idx + 7];
w2[0] = tmp[idx + 8];
w2[1] = tmp[idx + 9];
w2[2] = tmp[idx + 10];
w2[3] = tmp[idx + 11];
w3[0] = tmp[idx + 12];
w3[1] = tmp[idx + 13];
w3[2] = tmp[idx + 14];
w3[3] = tmp[idx + 15];
w4[0] = tmp[idx + 16];
w4[1] = tmp[idx + 17];
w4[2] = tmp[idx + 18];
w4[3] = tmp[idx + 19];
w5[0] = tmp[idx + 20];
w5[1] = tmp[idx + 21];
w5[2] = tmp[idx + 22];
w5[3] = tmp[idx + 23];
w6[0] = tmp[idx + 24];
w6[1] = tmp[idx + 25];
w6[2] = tmp[idx + 26];
w6[3] = tmp[idx + 27];
w7[0] = tmp[idx + 28];
w7[1] = tmp[idx + 29];
w7[2] = tmp[idx + 30];
w7[3] = tmp[idx + 31];
sha512_transform (w0, w1, w2, w3, w4, w5, w6, w7, h);
}
}
else
{
for (u32 i = 0, j = loop_pos; i < loop_cnt; i += 128, j += 128)
{
const int idx = (j % pw_len128) / 4; // the optimization trick is to be able to do this
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] = tmps[gid].tmp[idx + 0];
w0[1] = tmps[gid].tmp[idx + 1];
w0[2] = tmps[gid].tmp[idx + 2];
w0[3] = tmps[gid].tmp[idx + 3];
w1[0] = tmps[gid].tmp[idx + 4];
w1[1] = tmps[gid].tmp[idx + 5];
w1[2] = tmps[gid].tmp[idx + 6];
w1[3] = tmps[gid].tmp[idx + 7];
w2[0] = tmps[gid].tmp[idx + 8];
w2[1] = tmps[gid].tmp[idx + 9];
w2[2] = tmps[gid].tmp[idx + 10];
w2[3] = tmps[gid].tmp[idx + 11];
w3[0] = tmps[gid].tmp[idx + 12];
w3[1] = tmps[gid].tmp[idx + 13];
w3[2] = tmps[gid].tmp[idx + 14];
w3[3] = tmps[gid].tmp[idx + 15];
w4[0] = tmps[gid].tmp[idx + 16];
w4[1] = tmps[gid].tmp[idx + 17];
w4[2] = tmps[gid].tmp[idx + 18];
w4[3] = tmps[gid].tmp[idx + 19];
w5[0] = tmps[gid].tmp[idx + 20];
w5[1] = tmps[gid].tmp[idx + 21];
w5[2] = tmps[gid].tmp[idx + 22];
w5[3] = tmps[gid].tmp[idx + 23];
w6[0] = tmps[gid].tmp[idx + 24];
w6[1] = tmps[gid].tmp[idx + 25];
w6[2] = tmps[gid].tmp[idx + 26];
w6[3] = tmps[gid].tmp[idx + 27];
w7[0] = tmps[gid].tmp[idx + 28];
w7[1] = tmps[gid].tmp[idx + 29];
w7[2] = tmps[gid].tmp[idx + 30];
w7[3] = tmps[gid].tmp[idx + 31];
sha512_transform (w0, w1, w2, w3, w4, w5, w6, w7, h);
}
}
tmps[gid].h[0] = h[0];
tmps[gid].h[1] = h[1];
tmps[gid].h[2] = h[2];
tmps[gid].h[3] = h[3];
tmps[gid].h[4] = h[4];
tmps[gid].h[5] = h[5];
tmps[gid].h[6] = h[6];
tmps[gid].h[7] = h[7];
}
KERNEL_FQ void m27300_comp (KERN_ATTR_TMPS_ESALT (hmac_sha512_tmp_t, snmpv3_t))
{
/**
* modifier
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) return;
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] = 0x80000000;
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] = 1048576 * 8;
u64 h[8];
h[0] = tmps[gid].h[0];
h[1] = tmps[gid].h[1];
h[2] = tmps[gid].h[2];
h[3] = tmps[gid].h[3];
h[4] = tmps[gid].h[4];
h[5] = tmps[gid].h[5];
h[6] = tmps[gid].h[6];
h[7] = tmps[gid].h[7];
sha512_transform (w0, w1, w2, w3, w4, w5, w6, w7, h);
sha512_ctx_t ctx;
sha512_init (&ctx);
u32 w[32];
w[ 0] = h32_from_64_S (h[0]);
w[ 1] = l32_from_64_S (h[0]);
w[ 2] = h32_from_64_S (h[1]);
w[ 3] = l32_from_64_S (h[1]);
w[ 4] = h32_from_64_S (h[2]);
w[ 5] = l32_from_64_S (h[2]);
w[ 6] = h32_from_64_S (h[3]);
w[ 7] = l32_from_64_S (h[3]);
w[ 8] = h32_from_64_S (h[4]);
w[ 9] = l32_from_64_S (h[4]);
w[10] = h32_from_64_S (h[5]);
w[11] = l32_from_64_S (h[5]);
w[12] = h32_from_64_S (h[6]);
w[13] = l32_from_64_S (h[6]);
w[14] = h32_from_64_S (h[7]);
w[15] = l32_from_64_S (h[7]);
w[16] = 0;
w[17] = 0;
w[18] = 0;
w[19] = 0;
w[20] = 0;
w[21] = 0;
w[22] = 0;
w[23] = 0;
w[24] = 0;
w[25] = 0;
w[26] = 0;
w[27] = 0;
w[28] = 0;
w[29] = 0;
w[30] = 0;
w[31] = 0;
sha512_update (&ctx, w, 64);
sha512_update_global_swap (&ctx, esalt_bufs[DIGESTS_OFFSET].engineID_buf, esalt_bufs[DIGESTS_OFFSET].engineID_len);
w[ 0] = h32_from_64_S (h[0]);
w[ 1] = l32_from_64_S (h[0]);
w[ 2] = h32_from_64_S (h[1]);
w[ 3] = l32_from_64_S (h[1]);
w[ 4] = h32_from_64_S (h[2]);
w[ 5] = l32_from_64_S (h[2]);
w[ 6] = h32_from_64_S (h[3]);
w[ 7] = l32_from_64_S (h[3]);
w[ 8] = h32_from_64_S (h[4]);
w[ 9] = l32_from_64_S (h[4]);
w[10] = h32_from_64_S (h[5]);
w[11] = l32_from_64_S (h[5]);
w[12] = h32_from_64_S (h[6]);
w[13] = l32_from_64_S (h[6]);
w[14] = h32_from_64_S (h[7]);
w[15] = l32_from_64_S (h[7]);
w[16] = 0;
w[17] = 0;
w[18] = 0;
w[19] = 0;
w[20] = 0;
w[21] = 0;
w[22] = 0;
w[23] = 0;
w[24] = 0;
w[25] = 0;
w[26] = 0;
w[27] = 0;
w[28] = 0;
w[29] = 0;
w[30] = 0;
w[31] = 0;
sha512_update (&ctx, w, 64);
sha512_final (&ctx);
w[ 0] = h32_from_64_S (ctx.h[0]);
w[ 1] = l32_from_64_S (ctx.h[0]);
w[ 2] = h32_from_64_S (ctx.h[1]);
w[ 3] = l32_from_64_S (ctx.h[1]);
w[ 4] = h32_from_64_S (ctx.h[2]);
w[ 5] = l32_from_64_S (ctx.h[2]);
w[ 6] = h32_from_64_S (ctx.h[3]);
w[ 7] = l32_from_64_S (ctx.h[3]);
w[ 8] = h32_from_64_S (ctx.h[4]);
w[ 9] = l32_from_64_S (ctx.h[4]);
w[10] = h32_from_64_S (ctx.h[5]);
w[11] = l32_from_64_S (ctx.h[5]);
w[12] = h32_from_64_S (ctx.h[6]);
w[13] = l32_from_64_S (ctx.h[6]);
w[14] = h32_from_64_S (ctx.h[7]);
w[15] = l32_from_64_S (ctx.h[7]);
w[16] = 0;
w[17] = 0;
w[18] = 0;
w[19] = 0;
w[20] = 0;
w[21] = 0;
w[22] = 0;
w[23] = 0;
w[24] = 0;
w[25] = 0;
w[26] = 0;
w[27] = 0;
w[28] = 0;
w[29] = 0;
w[30] = 0;
w[31] = 0;
sha512_hmac_ctx_t hmac_ctx;
sha512_hmac_init (&hmac_ctx, w, 64);
sha512_hmac_update_global_swap (&hmac_ctx, esalt_bufs[DIGESTS_OFFSET].salt_buf, esalt_bufs[DIGESTS_OFFSET].salt_len);
sha512_hmac_final (&hmac_ctx);
const u32 r0 = l32_from_64 (hmac_ctx.opad.h[1]);
const u32 r1 = h32_from_64 (hmac_ctx.opad.h[1]);
const u32 r2 = l32_from_64 (hmac_ctx.opad.h[0]);
const u32 r3 = h32_from_64 (hmac_ctx.opad.h[0]);
#define il_pos 0
#ifdef KERNEL_STATIC
#include COMPARE_M
#endif
}

1
include/types.h
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@ -465,6 +465,7 @@ typedef enum dgst_size
DGST_SIZE_4_64 = (64 * sizeof (u32)), // 256
DGST_SIZE_8_2 = (2 * sizeof (u64)), // 16 !!!
DGST_SIZE_8_4 = (4 * sizeof (u64)), // 32 !!!
DGST_SIZE_8_6 = (6 * sizeof (u64)), // 48 !!!
DGST_SIZE_8_8 = (8 * sizeof (u64)), // 64 !!!
DGST_SIZE_8_16 = (16 * sizeof (u64)), // 128 !!!
DGST_SIZE_8_25 = (25 * sizeof (u64)) // 200

390
src/modules/module_27300.c Normal file
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@ -0,0 +1,390 @@
/**
* 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 "memory.h"
#include "emu_inc_hash_sha1.h"
static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL;
static const u32 DGST_POS0 = 2;
static const u32 DGST_POS1 = 3;
static const u32 DGST_POS2 = 0;
static const u32 DGST_POS3 = 1;
static const u32 DGST_SIZE = DGST_SIZE_8_6;
static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL;
static const char *HASH_NAME = "SNMPv3 HMAC-SHA512-384";
static const u64 KERN_TYPE = 27300;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
| OPTI_TYPE_USES_BITS_64;
static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_BE;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcat1";
static const char *ST_HASH = "$SNMPv3$6$45889431$3081b702010330110204367c80d4020300ffe30401010201030460305e041180001f88808106d566db57fd600000000002011002020118040e6d61747269785f5348412d35313204300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000400303d041180001f88808106d566db57fd60000000000400a22602046ea3546f0201000201003018301606082b06010201010200060a2b06010401bf0803020a$80001f88808106d566db57fd6000000000$9e4681768d5dee9e2d0ca7380dfa19f0a0f805c550142b889af548f5506c2c3587df980707600b58d97ed1beaa9feaf9";
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; }
static const char *SIGNATURE_SNMPV3 = "$SNMPv3$6$";
#define SNMPV3_SALT_MAX 1500
#define SNMPV3_ENGINEID_MAX 34
#define SNMPV3_MSG_AUTH_PARAMS_LEN 48
#define SNMPV3_ROUNDS 1048576
#define SNMPV3_MAX_PW_LENGTH 128
#define SNMPV3_TMP_ELEMS 8192 // 8192 = (256 (max pw length) * SNMPV3_MAX_PW_LENGTH) / sizeof (u32)
#define SNMPV3_HASH_ELEMS 8
#define SNMPV3_MAX_SALT_ELEMS 512 // 512 * 4 = 2048 > 1500, also has to be multiple of SNMPV3_MAX_PW_LENGTH
#define SNMPV3_MAX_ENGINE_ELEMS 32 // 32 * 4 = 128 > 34, also has to be multiple of SNMPV3_MAX_PW_LENGTH
#define SNMPV3_MAX_PNUM_ELEMS 4 // 4 * 4 = 16 > 9
typedef struct hmac_sha512_tmp
{
u32 tmp[SNMPV3_TMP_ELEMS];
u64 h[SNMPV3_HASH_ELEMS];
} hmac_sha512_tmp_t;
typedef struct snmpv3
{
u32 salt_buf[SNMPV3_MAX_SALT_ELEMS];
u32 salt_len;
u32 engineID_buf[SNMPV3_MAX_ENGINE_ELEMS];
u32 engineID_len;
u32 packet_number[SNMPV3_MAX_PNUM_ELEMS];
} snmpv3_t;
u32 module_pw_min (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 u32 pw_min = 8;
return pw_min;
}
bool module_unstable_warning (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hc_device_param_t *device_param)
{
if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
{
// self-test failed
if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->opencl_device_type & CL_DEVICE_TYPE_GPU))
{
return true;
}
}
return false;
}
char *module_jit_build_options (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra, MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const hc_device_param_t *device_param)
{
char *jit_build_options = NULL;
// Extra treatment for Apple systems
if (device_param->opencl_platform_vendor_id == VENDOR_ID_APPLE)
{
return jit_build_options;
}
// HIP
if (device_param->opencl_device_vendor_id == VENDOR_ID_AMD_USE_HIP)
{
hc_asprintf (&jit_build_options, "-D _unroll");
}
// ROCM
if ((device_param->opencl_device_vendor_id == VENDOR_ID_AMD) && (device_param->has_vperm == true))
{
hc_asprintf (&jit_build_options, "-D _unroll");
}
return jit_build_options;
}
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 (snmpv3_t);
return esalt_size;
}
u64 module_tmp_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 tmp_size = (const u64) sizeof (hmac_sha512_tmp_t);
return tmp_size;
}
u32 module_kernel_loops_min (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
{
// we need to fix iteration count to guarantee the loop count is a multiple of SNMPV3_MAX_PW_LENGTH
// 2k calls to sha512_transform typically is enough to overtime pcie bottleneck
const u32 kernel_loops_min = 2048 * SNMPV3_MAX_PW_LENGTH;
return kernel_loops_min;
}
u32 module_kernel_loops_max (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 u32 kernel_loops_max = 2048 * SNMPV3_MAX_PW_LENGTH;
return kernel_loops_max;
}
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;
snmpv3_t *snmpv3 = (snmpv3_t *) esalt_buf;
token_t token;
token.token_cnt = 5;
token.signatures_cnt = 1;
token.signatures_buf[0] = SIGNATURE_SNMPV3;
token.len[0] = 10;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_SIGNATURE;
// packet number
token.len_min[1] = 1;
token.len_max[1] = 8;
token.sep[1] = '$';
token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_DIGIT;
// salt
token.len_min[2] = SNMPV3_MSG_AUTH_PARAMS_LEN * 2;
token.len_max[2] = SNMPV3_SALT_MAX * 2;
token.sep[2] = '$';
token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// engineid
token.len_min[3] = 26;
token.len_max[3] = SNMPV3_ENGINEID_MAX;
token.sep[3] = '$';
token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// digest
token.len[4] = SNMPV3_MSG_AUTH_PARAMS_LEN * 2;
token.sep[4] = '$';
token.attr[4] = 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);
// packet number
const u8 *packet_number_pos = token.buf[1];
const int packet_number_len = token.len[1];
memset (snmpv3->packet_number, 0, sizeof (snmpv3->packet_number));
strncpy ((char *) snmpv3->packet_number, (char *) packet_number_pos, packet_number_len);
// salt
const u8 *salt_pos = token.buf[2];
const int salt_len = token.len[2];
u8 *salt_ptr = (u8 *) snmpv3->salt_buf;
snmpv3->salt_len = hex_decode (salt_pos, salt_len, salt_ptr);
salt->salt_iter = SNMPV3_ROUNDS;
// handle unique salts detection
sha1_ctx_t sha1_ctx;
sha1_init (&sha1_ctx);
sha1_update (&sha1_ctx, snmpv3->salt_buf, snmpv3->salt_len);
sha1_final (&sha1_ctx);
// store sha1(snmpv3->salt_buf) in salt_buf
salt->salt_len = 20;
memcpy (salt->salt_buf, sha1_ctx.h, salt->salt_len);
// engineid
const u8 *engineID_pos = token.buf[3];
const int engineID_len = token.len[3];
memset (snmpv3->engineID_buf, 0, sizeof (snmpv3->engineID_buf));
u8 *engineID_ptr = (u8 *) snmpv3->engineID_buf;
hex_decode (engineID_pos, engineID_len, engineID_ptr);
// force len to 17, zero padding
snmpv3->engineID_len = SNMPV3_ENGINEID_MAX / 2;
// digest
const u8 *hash_pos = token.buf[4];
digest[0] = hex_to_u64 (hash_pos + 0);
digest[1] = hex_to_u64 (hash_pos + 16);
digest[2] = hex_to_u64 (hash_pos + 32);
digest[3] = hex_to_u64 (hash_pos + 48);
digest[4] = hex_to_u64 (hash_pos + 64);
digest[5] = hex_to_u64 (hash_pos + 80);
digest[0] = byte_swap_64 (digest[0]);
digest[1] = byte_swap_64 (digest[1]);
digest[2] = byte_swap_64 (digest[2]);
digest[3] = byte_swap_64 (digest[3]);
digest[4] = byte_swap_64 (digest[4]);
digest[5] = byte_swap_64 (digest[5]);
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;
snmpv3_t *snmpv3 = (snmpv3_t *) esalt_buf;
u8 *out_buf = (u8 *) line_buf;
int out_len = snprintf (line_buf, line_size, "%s%s$", SIGNATURE_SNMPV3, (char *) snmpv3->packet_number);
out_len += hex_encode ((u8 *) snmpv3->salt_buf, snmpv3->salt_len, out_buf + out_len);
out_buf[out_len] = '$';
out_len++;
out_len += hex_encode ((u8 *) snmpv3->engineID_buf, snmpv3->engineID_len, out_buf + out_len);
out_buf[out_len] = '$';
out_len++;
u64 digest_tmp[6];
digest_tmp[0] = byte_swap_64 (digest[0]);
digest_tmp[1] = byte_swap_64 (digest[1]);
digest_tmp[2] = byte_swap_64 (digest[2]);
digest_tmp[3] = byte_swap_64 (digest[3]);
digest_tmp[4] = byte_swap_64 (digest[4]);
digest_tmp[5] = byte_swap_64 (digest[5]);
u64_to_hex (digest_tmp[0], out_buf + out_len); out_len += 16;
u64_to_hex (digest_tmp[1], out_buf + out_len); out_len += 16;
u64_to_hex (digest_tmp[2], out_buf + out_len); out_len += 16;
u64_to_hex (digest_tmp[3], out_buf + out_len); out_len += 16;
u64_to_hex (digest_tmp[4], out_buf + out_len); out_len += 16;
u64_to_hex (digest_tmp[5], out_buf + out_len); out_len += 16;
out_buf[out_len] = 0;
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_salt = MODULE_DEFAULT;
module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
module_ctx->module_deep_comp_kernel = 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_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_jit_build_options;
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_kernel_loops_max;
module_ctx->module_kernel_loops_min = module_kernel_loops_min;
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_pw_min;
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_tmp_size;
module_ctx->module_unstable_warning = module_unstable_warning;
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 Digest::SHA qw (sha512 sha512_hex hmac_sha512_hex);
sub module_constraints { [[8, 256], [96, 3000], [-1, -1], [-1, -1], [-1, -1]] }
sub module_generate_hash
{
my $word = shift;
my $salt = shift;
my $pkt_num = shift // int(rand(100000000));
my $engineID = shift // random_hex_string(26, 34);
# padding engineID: fill with zero
my $pad_len = 34 - length ($engineID);
$engineID = join '', $engineID, "0" x $pad_len;
# make salt even if needed
if (length($salt) %2 == 1)
{
$salt = $salt . "8";
}
my $string1 = $word x 1048576;
$string1 = substr ($string1, 0, 1048576);
my $sha512_digest1 = sha512_hex ($string1);
my $buf = join '', $sha512_digest1, $engineID, $sha512_digest1;
my $sha512_digest2 = sha512(pack("H*", $buf));
my $digest = hmac_sha512_hex (pack("H*", $salt), $sha512_digest2);
$digest = substr ($digest, 0, 96);
my $hash = "\$SNMPv3\$6\$" . $pkt_num . "\$" . $salt . "\$" . $engineID . "\$" . $digest;
return $hash;
}
sub module_verify_hash
{
my $line = shift;
my $idx = index ($line, ':');
return unless $idx >= 0;
my $hash = substr ($line, 0, $idx);
my $word = substr ($line, $idx + 1);
return unless length ($word) gt 0;
return unless substr ($hash, 0, 10) eq '$SNMPv3$6$';
my (undef, $signature, $version, $pkt_num, $salt, $engineID, $digest) = split '\$', $hash;
return unless defined $signature;
return unless defined $version;
return unless defined $pkt_num;
return unless defined $salt;
return unless defined $engineID;
return unless defined $digest;
my $word_packed = pack_if_HEX_notation ($word);
my $new_hash = module_generate_hash ($word_packed, $salt, $pkt_num, $engineID);
return ($new_hash, $word);
}
1;