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hashcat/OpenCL/m16100_a1-optimized.cl
Jens Steube 04d5e5a119 New Attack-Mode: Association Attack. Like JtR's single mode. Very early 
stage. See hashcat Forum for detailed writeup.
2020-09-29 15:56:32 +02:00

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Common Lisp
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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_md5.cl"
#endif
typedef struct tacacs_plus
{
u32 session_buf[16];
u32 ct_data_buf[64];
u32 ct_data_len;
u32 sequence_buf[16];
} tacacs_plus_t;
KERNEL_FQ void m16100_m04 (KERN_ATTR_ESALT (tacacs_plus_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) 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_l_len = pws[gid].pw_len & 63;
/**
* salt
*/
const u32 session_buf = esalt_bufs[DIGESTS_OFFSET].session_buf[0];
const u32 sequence_buf = esalt_bufs[DIGESTS_OFFSET].sequence_buf[0];
/**
* digest
*/
const u32 ct_len = esalt_bufs[DIGESTS_OFFSET].ct_data_len;
u32 ct_buf[2];
ct_buf[0] = esalt_bufs[DIGESTS_OFFSET].ct_data_buf[0];
ct_buf[1] = esalt_bufs[DIGESTS_OFFSET].ct_data_buf[1];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
{
const u32x pw_r_len = pwlenx_create_combt (combs_buf, il_pos) & 63;
const u32x pw_len = (pw_l_len + pw_r_len) & 63;
/**
* concat password candidate
*/
u32x wordl0[4] = { 0 };
u32x wordl1[4] = { 0 };
u32x wordl2[4] = { 0 };
u32x 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];
u32x wordr0[4] = { 0 };
u32x wordr1[4] = { 0 };
u32x wordr2[4] = { 0 };
u32x 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);
}
u32x w0[4];
u32x w1[4];
u32x w2[4];
u32x w3[4];
w0[0] = wordl0[0] | wordr0[0];
w0[1] = wordl0[1] | wordr0[1];
w0[2] = wordl0[2] | wordr0[2];
w0[3] = wordl0[3] | wordr0[3];
w1[0] = wordl1[0] | wordr1[0];
w1[1] = wordl1[1] | wordr1[1];
w1[2] = wordl1[2] | wordr1[2];
w1[3] = wordl1[3] | wordr1[3];
w2[0] = wordl2[0] | wordr2[0];
w2[1] = wordl2[1] | wordr2[1];
w2[2] = wordl2[2] | wordr2[2];
w2[3] = wordl2[3] | wordr2[3];
w3[0] = wordl3[0] | wordr3[0];
w3[1] = wordl3[1] | wordr3[1];
w3[2] = wordl3[2] | wordr3[2];
w3[3] = wordl3[3] | wordr3[3];
/**
* append salt
*/
u32 s0[4];
u32 s1[4];
u32 s2[4];
u32 s3[4];
s0[0] = sequence_buf | 0x00800000;
s0[1] = 0;
s0[2] = 0;
s0[3] = 0;
s1[0] = 0;
s1[1] = 0;
s1[2] = 0;
s1[3] = 0;
s2[0] = 0;
s2[1] = 0;
s2[2] = 0;
s2[3] = 0;
s3[0] = 0;
s3[1] = 0;
s3[2] = 0;
s3[3] = 0;
switch_buffer_by_offset_le (s0, s1, s2, s3, 4 + pw_len);
const u32x pw_salt_len = 4 + pw_len + 2;
s0[0] = session_buf;
s0[1] |= w0[0];
s0[2] |= w0[1];
s0[3] |= w0[2];
s1[0] |= w0[3];
s1[1] |= w1[0];
s1[2] |= w1[1];
s1[3] |= w1[2];
s2[0] |= w1[3];
s2[1] |= 0;
s2[2] |= 0;
s2[3] |= 0;
s3[0] |= 0;
s3[1] |= 0;
s3[2] = pw_salt_len * 8;
s3[3] = 0;
w0[0] = s0[0];
w0[1] = s0[1];
w0[2] = s0[2];
w0[3] = s0[3];
w1[0] = s1[0];
w1[1] = s1[1];
w1[2] = s1[2];
w1[3] = s1[3];
w2[0] = s2[0];
w2[1] = s2[1];
w2[2] = s2[2];
w2[3] = s2[3];
w3[0] = s3[0];
w3[1] = s3[1];
w3[2] = s3[2];
w3[3] = s3[3];
/**
* md5
*/
u32x a = MD5M_A;
u32x b = MD5M_B;
u32x c = MD5M_C;
u32x d = MD5M_D;
MD5_STEP (MD5_Fo, a, b, c, d, w0[0], MD5C00, MD5S00);
MD5_STEP (MD5_Fo, d, a, b, c, w0[1], MD5C01, MD5S01);
MD5_STEP (MD5_Fo, c, d, a, b, w0[2], MD5C02, MD5S02);
MD5_STEP (MD5_Fo, b, c, d, a, w0[3], MD5C03, MD5S03);
MD5_STEP (MD5_Fo, a, b, c, d, w1[0], MD5C04, MD5S00);
MD5_STEP (MD5_Fo, d, a, b, c, w1[1], MD5C05, MD5S01);
MD5_STEP (MD5_Fo, c, d, a, b, w1[2], MD5C06, MD5S02);
MD5_STEP (MD5_Fo, b, c, d, a, w1[3], MD5C07, MD5S03);
MD5_STEP (MD5_Fo, a, b, c, d, w2[0], MD5C08, MD5S00);
MD5_STEP (MD5_Fo, d, a, b, c, w2[1], MD5C09, MD5S01);
MD5_STEP (MD5_Fo, c, d, a, b, w2[2], MD5C0a, MD5S02);
MD5_STEP (MD5_Fo, b, c, d, a, w2[3], MD5C0b, MD5S03);
MD5_STEP (MD5_Fo, a, b, c, d, w3[0], MD5C0c, MD5S00);
MD5_STEP (MD5_Fo, d, a, b, c, w3[1], MD5C0d, MD5S01);
MD5_STEP (MD5_Fo, c, d, a, b, w3[2], MD5C0e, MD5S02);
MD5_STEP (MD5_Fo, b, c, d, a, w3[3], MD5C0f, MD5S03);
MD5_STEP (MD5_Go, a, b, c, d, w0[1], MD5C10, MD5S10);
MD5_STEP (MD5_Go, d, a, b, c, w1[2], MD5C11, MD5S11);
MD5_STEP (MD5_Go, c, d, a, b, w2[3], MD5C12, MD5S12);
MD5_STEP (MD5_Go, b, c, d, a, w0[0], MD5C13, MD5S13);
MD5_STEP (MD5_Go, a, b, c, d, w1[1], MD5C14, MD5S10);
MD5_STEP (MD5_Go, d, a, b, c, w2[2], MD5C15, MD5S11);
MD5_STEP (MD5_Go, c, d, a, b, w3[3], MD5C16, MD5S12);
MD5_STEP (MD5_Go, b, c, d, a, w1[0], MD5C17, MD5S13);
MD5_STEP (MD5_Go, a, b, c, d, w2[1], MD5C18, MD5S10);
MD5_STEP (MD5_Go, d, a, b, c, w3[2], MD5C19, MD5S11);
MD5_STEP (MD5_Go, c, d, a, b, w0[3], MD5C1a, MD5S12);
MD5_STEP (MD5_Go, b, c, d, a, w2[0], MD5C1b, MD5S13);
MD5_STEP (MD5_Go, a, b, c, d, w3[1], MD5C1c, MD5S10);
MD5_STEP (MD5_Go, d, a, b, c, w0[2], MD5C1d, MD5S11);
MD5_STEP (MD5_Go, c, d, a, b, w1[3], MD5C1e, MD5S12);
MD5_STEP (MD5_Go, b, c, d, a, w3[0], MD5C1f, MD5S13);
u32x t;
MD5_STEP (MD5_H1, a, b, c, d, w1[1], MD5C20, MD5S20);
MD5_STEP (MD5_H2, d, a, b, c, w2[0], MD5C21, MD5S21);
MD5_STEP (MD5_H1, c, d, a, b, w2[3], MD5C22, MD5S22);
MD5_STEP (MD5_H2, b, c, d, a, w3[2], MD5C23, MD5S23);
MD5_STEP (MD5_H1, a, b, c, d, w0[1], MD5C24, MD5S20);
MD5_STEP (MD5_H2, d, a, b, c, w1[0], MD5C25, MD5S21);
MD5_STEP (MD5_H1, c, d, a, b, w1[3], MD5C26, MD5S22);
MD5_STEP (MD5_H2, b, c, d, a, w2[2], MD5C27, MD5S23);
MD5_STEP (MD5_H1, a, b, c, d, w3[1], MD5C28, MD5S20);
MD5_STEP (MD5_H2, d, a, b, c, w0[0], MD5C29, MD5S21);
MD5_STEP (MD5_H1, c, d, a, b, w0[3], MD5C2a, MD5S22);
MD5_STEP (MD5_H2, b, c, d, a, w1[2], MD5C2b, MD5S23);
MD5_STEP (MD5_H1, a, b, c, d, w2[1], MD5C2c, MD5S20);
MD5_STEP (MD5_H2, d, a, b, c, w3[0], MD5C2d, MD5S21);
MD5_STEP (MD5_H1, c, d, a, b, w3[3], MD5C2e, MD5S22);
MD5_STEP (MD5_H2, b, c, d, a, w0[2], MD5C2f, MD5S23);
MD5_STEP (MD5_I , a, b, c, d, w0[0], MD5C30, MD5S30);
MD5_STEP (MD5_I , d, a, b, c, w1[3], MD5C31, MD5S31);
MD5_STEP (MD5_I , c, d, a, b, w3[2], MD5C32, MD5S32);
MD5_STEP (MD5_I , b, c, d, a, w1[1], MD5C33, MD5S33);
MD5_STEP (MD5_I , a, b, c, d, w3[0], MD5C34, MD5S30);
MD5_STEP (MD5_I , d, a, b, c, w0[3], MD5C35, MD5S31);
MD5_STEP (MD5_I , c, d, a, b, w2[2], MD5C36, MD5S32);
MD5_STEP (MD5_I , b, c, d, a, w0[1], MD5C37, MD5S33);
MD5_STEP (MD5_I , a, b, c, d, w2[0], MD5C38, MD5S30);
MD5_STEP (MD5_I , d, a, b, c, w3[3], MD5C39, MD5S31);
MD5_STEP (MD5_I , c, d, a, b, w1[2], MD5C3a, MD5S32);
MD5_STEP (MD5_I , b, c, d, a, w3[1], MD5C3b, MD5S33);
MD5_STEP (MD5_I , a, b, c, d, w1[0], MD5C3c, MD5S30);
MD5_STEP (MD5_I , d, a, b, c, w2[3], MD5C3d, MD5S31);
MD5_STEP (MD5_I , c, d, a, b, w0[2], MD5C3e, MD5S32);
MD5_STEP (MD5_I , b, c, d, a, w2[1], MD5C3f, MD5S33);
a += MD5M_A;
b += MD5M_B;
c += MD5M_C;
d += MD5M_D;
u32 test[2];
test[0] = a ^ ct_buf[0];
test[1] = b ^ ct_buf[1];
if (sequence_buf == 0x01c0)
{
const u32 action = ((test[0] >> 0) & 0xff);
// can have more than predefined ones
// const u32 priv_lvl = ((test[0] >> 8) & 0xff);
const u32 authen_type = ((test[0] >> 16) & 0xff);
const u32 authen_service = ((test[0] >> 24) & 0xff);
const u32 user_len = ((test[1] >> 0) & 0xff);
const u32 port_len = ((test[1] >> 8) & 0xff);
const u32 rem_addr_len = ((test[1] >> 16) & 0xff);
const u32 data_len = ((test[1] >> 24) & 0xff);
if (((action == 0x01) || (action == 0x02) || (action == 0x04))
&& ((authen_type >= 0x01) && (authen_type <= 0x06))
&& ((authen_service >= 0x00) && (authen_service <= 0x09))
&& ((8 + user_len + port_len + rem_addr_len + data_len) == ct_len))
{
if (atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, il_pos, 0, 0);
}
}
}
else if ((sequence_buf == 0x03c0) || (sequence_buf == 0x05c0))
{
const u32 msg_len = ((test[0] >> 0) & 0xff) << 8
| ((test[0] >> 8) & 0xff) << 0;
const u32 data_len = ((test[0] >> 16) & 0xff) << 8
| ((test[0] >> 24) & 0xff) << 0;
const u32 flags = ((test[1] >> 0) & 0xff);
if (((5 + msg_len) == ct_len)
&& (data_len == 0)
&& (flags == 0))
{
if (atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, il_pos, 0, 0);
}
}
}
else
{
const u32 status = ((test[0] >> 0) & 0xff);
const u32 flags = ((test[0] >> 8) & 0xff);
const u32 msg_len = ((test[0] >> 16) & 0xff) << 8
| ((test[0] >> 24) & 0xff) << 0;
const u32 data_len = ((test[1] >> 0) & 0xff) << 8
| ((test[1] >> 8) & 0xff) << 0;
if (((status >= 0x01 && status <= 0x07) || status == 0x21)
&& (flags == 0x01 || flags == 0x00)
&& (6 + msg_len + data_len == ct_len))
{
if (atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, il_pos, 0, 0);
}
}
}
}
}
KERNEL_FQ void m16100_m08 (KERN_ATTR_ESALT (tacacs_plus_t))
{
}
KERNEL_FQ void m16100_m16 (KERN_ATTR_ESALT (tacacs_plus_t))
{
}
KERNEL_FQ void m16100_s04 (KERN_ATTR_ESALT (tacacs_plus_t))
{
/**
* modifier
*/
const u64 lid = get_local_id (0);
/**
* base
*/
const u64 gid = get_global_id (0);
if (gid >= gid_max) 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_l_len = pws[gid].pw_len & 63;
/**
* salt
*/
const u32 session_buf = esalt_bufs[DIGESTS_OFFSET].session_buf[0];
const u32 sequence_buf = esalt_bufs[DIGESTS_OFFSET].sequence_buf[0];
/**
* digest
*/
const u32 ct_len = esalt_bufs[DIGESTS_OFFSET].ct_data_len;
u32 ct_buf[2];
ct_buf[0] = esalt_bufs[DIGESTS_OFFSET].ct_data_buf[0];
ct_buf[1] = esalt_bufs[DIGESTS_OFFSET].ct_data_buf[1];
/**
* loop
*/
for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
{
const u32x pw_r_len = pwlenx_create_combt (combs_buf, il_pos) & 63;
const u32x pw_len = (pw_l_len + pw_r_len) & 63;
/**
* concat password candidate
*/
u32x wordl0[4] = { 0 };
u32x wordl1[4] = { 0 };
u32x wordl2[4] = { 0 };
u32x 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];
u32x wordr0[4] = { 0 };
u32x wordr1[4] = { 0 };
u32x wordr2[4] = { 0 };
u32x 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);
}
u32x w0[4];
u32x w1[4];
u32x w2[4];
u32x w3[4];
w0[0] = wordl0[0] | wordr0[0];
w0[1] = wordl0[1] | wordr0[1];
w0[2] = wordl0[2] | wordr0[2];
w0[3] = wordl0[3] | wordr0[3];
w1[0] = wordl1[0] | wordr1[0];
w1[1] = wordl1[1] | wordr1[1];
w1[2] = wordl1[2] | wordr1[2];
w1[3] = wordl1[3] | wordr1[3];
w2[0] = wordl2[0] | wordr2[0];
w2[1] = wordl2[1] | wordr2[1];
w2[2] = wordl2[2] | wordr2[2];
w2[3] = wordl2[3] | wordr2[3];
w3[0] = wordl3[0] | wordr3[0];
w3[1] = wordl3[1] | wordr3[1];
w3[2] = wordl3[2] | wordr3[2];
w3[3] = wordl3[3] | wordr3[3];
/**
* append salt
*/
u32 s0[4];
u32 s1[4];
u32 s2[4];
u32 s3[4];
s0[0] = sequence_buf | 0x00800000;
s0[1] = 0;
s0[2] = 0;
s0[3] = 0;
s1[0] = 0;
s1[1] = 0;
s1[2] = 0;
s1[3] = 0;
s2[0] = 0;
s2[1] = 0;
s2[2] = 0;
s2[3] = 0;
s3[0] = 0;
s3[1] = 0;
s3[2] = 0;
s3[3] = 0;
switch_buffer_by_offset_le (s0, s1, s2, s3, 4 + pw_len);
const u32x pw_salt_len = 4 + pw_len + 2;
s0[0] = session_buf;
s0[1] |= w0[0];
s0[2] |= w0[1];
s0[3] |= w0[2];
s1[0] |= w0[3];
s1[1] |= w1[0];
s1[2] |= w1[1];
s1[3] |= w1[2];
s2[0] |= w1[3];
s2[1] |= 0;
s2[2] |= 0;
s2[3] |= 0;
s3[0] |= 0;
s3[1] |= 0;
s3[2] = pw_salt_len * 8;
s3[3] = 0;
w0[0] = s0[0];
w0[1] = s0[1];
w0[2] = s0[2];
w0[3] = s0[3];
w1[0] = s1[0];
w1[1] = s1[1];
w1[2] = s1[2];
w1[3] = s1[3];
w2[0] = s2[0];
w2[1] = s2[1];
w2[2] = s2[2];
w2[3] = s2[3];
w3[0] = s3[0];
w3[1] = s3[1];
w3[2] = s3[2];
w3[3] = s3[3];
/**
* md5
*/
u32x a = MD5M_A;
u32x b = MD5M_B;
u32x c = MD5M_C;
u32x d = MD5M_D;
MD5_STEP (MD5_Fo, a, b, c, d, w0[0], MD5C00, MD5S00);
MD5_STEP (MD5_Fo, d, a, b, c, w0[1], MD5C01, MD5S01);
MD5_STEP (MD5_Fo, c, d, a, b, w0[2], MD5C02, MD5S02);
MD5_STEP (MD5_Fo, b, c, d, a, w0[3], MD5C03, MD5S03);
MD5_STEP (MD5_Fo, a, b, c, d, w1[0], MD5C04, MD5S00);
MD5_STEP (MD5_Fo, d, a, b, c, w1[1], MD5C05, MD5S01);
MD5_STEP (MD5_Fo, c, d, a, b, w1[2], MD5C06, MD5S02);
MD5_STEP (MD5_Fo, b, c, d, a, w1[3], MD5C07, MD5S03);
MD5_STEP (MD5_Fo, a, b, c, d, w2[0], MD5C08, MD5S00);
MD5_STEP (MD5_Fo, d, a, b, c, w2[1], MD5C09, MD5S01);
MD5_STEP (MD5_Fo, c, d, a, b, w2[2], MD5C0a, MD5S02);
MD5_STEP (MD5_Fo, b, c, d, a, w2[3], MD5C0b, MD5S03);
MD5_STEP (MD5_Fo, a, b, c, d, w3[0], MD5C0c, MD5S00);
MD5_STEP (MD5_Fo, d, a, b, c, w3[1], MD5C0d, MD5S01);
MD5_STEP (MD5_Fo, c, d, a, b, w3[2], MD5C0e, MD5S02);
MD5_STEP (MD5_Fo, b, c, d, a, w3[3], MD5C0f, MD5S03);
MD5_STEP (MD5_Go, a, b, c, d, w0[1], MD5C10, MD5S10);
MD5_STEP (MD5_Go, d, a, b, c, w1[2], MD5C11, MD5S11);
MD5_STEP (MD5_Go, c, d, a, b, w2[3], MD5C12, MD5S12);
MD5_STEP (MD5_Go, b, c, d, a, w0[0], MD5C13, MD5S13);
MD5_STEP (MD5_Go, a, b, c, d, w1[1], MD5C14, MD5S10);
MD5_STEP (MD5_Go, d, a, b, c, w2[2], MD5C15, MD5S11);
MD5_STEP (MD5_Go, c, d, a, b, w3[3], MD5C16, MD5S12);
MD5_STEP (MD5_Go, b, c, d, a, w1[0], MD5C17, MD5S13);
MD5_STEP (MD5_Go, a, b, c, d, w2[1], MD5C18, MD5S10);
MD5_STEP (MD5_Go, d, a, b, c, w3[2], MD5C19, MD5S11);
MD5_STEP (MD5_Go, c, d, a, b, w0[3], MD5C1a, MD5S12);
MD5_STEP (MD5_Go, b, c, d, a, w2[0], MD5C1b, MD5S13);
MD5_STEP (MD5_Go, a, b, c, d, w3[1], MD5C1c, MD5S10);
MD5_STEP (MD5_Go, d, a, b, c, w0[2], MD5C1d, MD5S11);
MD5_STEP (MD5_Go, c, d, a, b, w1[3], MD5C1e, MD5S12);
MD5_STEP (MD5_Go, b, c, d, a, w3[0], MD5C1f, MD5S13);
u32x t;
MD5_STEP (MD5_H1, a, b, c, d, w1[1], MD5C20, MD5S20);
MD5_STEP (MD5_H2, d, a, b, c, w2[0], MD5C21, MD5S21);
MD5_STEP (MD5_H1, c, d, a, b, w2[3], MD5C22, MD5S22);
MD5_STEP (MD5_H2, b, c, d, a, w3[2], MD5C23, MD5S23);
MD5_STEP (MD5_H1, a, b, c, d, w0[1], MD5C24, MD5S20);
MD5_STEP (MD5_H2, d, a, b, c, w1[0], MD5C25, MD5S21);
MD5_STEP (MD5_H1, c, d, a, b, w1[3], MD5C26, MD5S22);
MD5_STEP (MD5_H2, b, c, d, a, w2[2], MD5C27, MD5S23);
MD5_STEP (MD5_H1, a, b, c, d, w3[1], MD5C28, MD5S20);
MD5_STEP (MD5_H2, d, a, b, c, w0[0], MD5C29, MD5S21);
MD5_STEP (MD5_H1, c, d, a, b, w0[3], MD5C2a, MD5S22);
MD5_STEP (MD5_H2, b, c, d, a, w1[2], MD5C2b, MD5S23);
MD5_STEP (MD5_H1, a, b, c, d, w2[1], MD5C2c, MD5S20);
MD5_STEP (MD5_H2, d, a, b, c, w3[0], MD5C2d, MD5S21);
MD5_STEP (MD5_H1, c, d, a, b, w3[3], MD5C2e, MD5S22);
MD5_STEP (MD5_H2, b, c, d, a, w0[2], MD5C2f, MD5S23);
MD5_STEP (MD5_I , a, b, c, d, w0[0], MD5C30, MD5S30);
MD5_STEP (MD5_I , d, a, b, c, w1[3], MD5C31, MD5S31);
MD5_STEP (MD5_I , c, d, a, b, w3[2], MD5C32, MD5S32);
MD5_STEP (MD5_I , b, c, d, a, w1[1], MD5C33, MD5S33);
MD5_STEP (MD5_I , a, b, c, d, w3[0], MD5C34, MD5S30);
MD5_STEP (MD5_I , d, a, b, c, w0[3], MD5C35, MD5S31);
MD5_STEP (MD5_I , c, d, a, b, w2[2], MD5C36, MD5S32);
MD5_STEP (MD5_I , b, c, d, a, w0[1], MD5C37, MD5S33);
MD5_STEP (MD5_I , a, b, c, d, w2[0], MD5C38, MD5S30);
MD5_STEP (MD5_I , d, a, b, c, w3[3], MD5C39, MD5S31);
MD5_STEP (MD5_I , c, d, a, b, w1[2], MD5C3a, MD5S32);
MD5_STEP (MD5_I , b, c, d, a, w3[1], MD5C3b, MD5S33);
MD5_STEP (MD5_I , a, b, c, d, w1[0], MD5C3c, MD5S30);
MD5_STEP (MD5_I , d, a, b, c, w2[3], MD5C3d, MD5S31);
MD5_STEP (MD5_I , c, d, a, b, w0[2], MD5C3e, MD5S32);
MD5_STEP (MD5_I , b, c, d, a, w2[1], MD5C3f, MD5S33);
a += MD5M_A;
b += MD5M_B;
c += MD5M_C;
d += MD5M_D;
u32 test[2];
test[0] = a ^ ct_buf[0];
test[1] = b ^ ct_buf[1];
if (sequence_buf == 0x01c0)
{
const u32 action = ((test[0] >> 0) & 0xff);
// can have more than predefined ones
// const u32 priv_lvl = ((test[0] >> 8) & 0xff);
const u32 authen_type = ((test[0] >> 16) & 0xff);
const u32 authen_service = ((test[0] >> 24) & 0xff);
const u32 user_len = ((test[1] >> 0) & 0xff);
const u32 port_len = ((test[1] >> 8) & 0xff);
const u32 rem_addr_len = ((test[1] >> 16) & 0xff);
const u32 data_len = ((test[1] >> 24) & 0xff);
if (((action == 0x01) || (action == 0x02) || (action == 0x04))
&& ((authen_type >= 0x01) && (authen_type <= 0x06))
&& ((authen_service >= 0x00) && (authen_service <= 0x09))
&& ((8 + user_len + port_len + rem_addr_len + data_len) == ct_len))
{
if (atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, il_pos, 0, 0);
}
}
}
else if ((sequence_buf == 0x03c0) || (sequence_buf == 0x05c0))
{
const u32 msg_len = ((test[0] >> 0) & 0xff) << 8
| ((test[0] >> 8) & 0xff) << 0;
const u32 data_len = ((test[0] >> 16) & 0xff) << 8
| ((test[0] >> 24) & 0xff) << 0;
const u32 flags = ((test[1] >> 0) & 0xff);
if (((5 + msg_len) == ct_len)
&& (data_len == 0)
&& (flags == 0))
{
if (atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, il_pos, 0, 0);
}
}
}
else
{
const u32 status = ((test[0] >> 0) & 0xff);
const u32 flags = ((test[0] >> 8) & 0xff);
const u32 msg_len = ((test[0] >> 16) & 0xff) << 8
| ((test[0] >> 24) & 0xff) << 0;
const u32 data_len = ((test[1] >> 0) & 0xff) << 8
| ((test[1] >> 8) & 0xff) << 0;
if (((status >= 0x01 && status <= 0x07) || status == 0x21)
&& (flags == 0x01 || flags == 0x00)
&& (6 + msg_len + data_len == ct_len))
{
if (atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0)
{
mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, il_pos, 0, 0);
}
}
}
}
}
KERNEL_FQ void m16100_s08 (KERN_ATTR_ESALT (tacacs_plus_t))
{
}
KERNEL_FQ void m16100_s16 (KERN_ATTR_ESALT (tacacs_plus_t))
{
}
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