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375 lines
9.4 KiB
Common Lisp
375 lines
9.4 KiB
Common Lisp
/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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//#define NEW_SIMD_CODE
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#ifdef KERNEL_STATIC
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#include "inc_vendor.h"
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#include "inc_types.h"
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#include "inc_common.cl"
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#include "inc_hash_md5.cl"
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#endif
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typedef struct tacacs_plus
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{
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u32 session_buf[16];
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u32 ct_data_buf[64];
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u32 ct_data_len;
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u32 sequence_buf[16];
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} tacacs_plus_t;
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KERNEL_FQ void m16100_mxx (KERN_ATTR_VECTOR_ESALT (tacacs_plus_t))
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{
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/**
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* modifier
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*/
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const u64 lid = get_local_id (0);
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const u64 gid = get_global_id (0);
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if (gid >= gid_max) return;
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/**
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* base
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*/
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const u32 pw_len = pws[gid].pw_len;
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u32x w[64] = { 0 };
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for (int i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
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{
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w[idx] = pws[gid].i[idx];
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}
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md5_ctx_t ctx0;
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md5_init (&ctx0);
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u32 session0[4];
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u32 session1[4];
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u32 session2[4];
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u32 session3[4];
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session0[0] = esalt_bufs[digests_offset].session_buf[0];
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session0[1] = 0;
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session0[2] = 0;
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session0[3] = 0;
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session1[0] = 0;
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session1[1] = 0;
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session1[2] = 0;
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session1[3] = 0;
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session2[0] = 0;
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session2[1] = 0;
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session2[2] = 0;
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session2[3] = 0;
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session3[0] = 0;
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session3[1] = 0;
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session3[2] = 0;
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session3[3] = 0;
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md5_update_64 (&ctx0, session0, session1, session2, session3, 4);
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u32 ct_buf[2];
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ct_buf[0] = esalt_bufs[digests_offset].ct_data_buf[0];
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ct_buf[1] = esalt_bufs[digests_offset].ct_data_buf[1];
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u32 ct_len = esalt_bufs[digests_offset].ct_data_len;
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u32 sequence_buf0 = esalt_bufs[digests_offset].sequence_buf[0];
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/**
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* loop
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*/
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u32x w0l = w[0];
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for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
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{
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const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
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const u32x w0 = w0l | w0r;
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w[0] = w0;
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md5_ctx_vector_t ctx;
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md5_init_vector_from_scalar (&ctx, &ctx0);
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md5_update_vector (&ctx, w, pw_len);
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u32x sequence0[4];
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u32x sequence1[4];
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u32x sequence2[4];
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u32x sequence3[4];
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sequence0[0] = sequence_buf0;
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sequence0[1] = 0;
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sequence0[2] = 0;
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sequence0[3] = 0;
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sequence1[0] = 0;
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sequence1[1] = 0;
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sequence1[2] = 0;
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sequence1[3] = 0;
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sequence2[0] = 0;
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sequence2[1] = 0;
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sequence2[2] = 0;
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sequence2[3] = 0;
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sequence3[0] = 0;
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sequence3[1] = 0;
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sequence3[2] = 0;
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sequence3[3] = 0;
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md5_update_vector_64 (&ctx, sequence0, sequence1, sequence2, sequence3, 2);
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md5_final_vector (&ctx);
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u32 test[2];
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test[0] = ctx.h[0] ^ ct_buf[0];
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test[1] = ctx.h[1] ^ ct_buf[1];
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if (sequence_buf0 == 0x01c0)
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{
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const u32 action = ((test[0] >> 0) & 0xff);
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// can have more than predefined ones
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// const u32 priv_lvl = ((test[0] >> 8) & 0xff);
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const u32 authen_type = ((test[0] >> 16) & 0xff);
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const u32 authen_service = ((test[0] >> 24) & 0xff);
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const u32 user_len = ((test[1] >> 0) & 0xff);
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const u32 port_len = ((test[1] >> 8) & 0xff);
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const u32 rem_addr_len = ((test[1] >> 16) & 0xff);
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const u32 data_len = ((test[1] >> 24) & 0xff);
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if (((action == 0x01) || (action == 0x02) || (action == 0x04))
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&& ((authen_type >= 0x01) && (authen_type <= 0x06))
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&& ((authen_service >= 0x00) && (authen_service <= 0x09))
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&& ((8 + user_len + port_len + rem_addr_len + data_len) == ct_len))
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{
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if (atomic_inc (&hashes_shown[digests_offset]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
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}
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}
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}
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else if ((sequence_buf0 == 0x03c0) || (sequence_buf0 == 0x05c0))
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{
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const u32 msg_len = ((test[0] >> 0) & 0xff) << 8
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| ((test[0] >> 8) & 0xff) << 0;
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const u32 data_len = ((test[0] >> 16) & 0xff) << 8
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| ((test[0] >> 24) & 0xff) << 0;
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const u32 flags = ((test[1] >> 0) & 0xff);
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if (((5 + msg_len) == ct_len)
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&& (data_len == 0)
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&& (flags == 0))
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{
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if (atomic_inc (&hashes_shown[digests_offset]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
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}
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}
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}
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else
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{
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const u32 status = ((test[0] >> 0) & 0xff);
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const u32 flags = ((test[0] >> 8) & 0xff);
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const u32 msg_len = ((test[0] >> 16) & 0xff) << 8
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| ((test[0] >> 24) & 0xff) << 0;
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const u32 data_len = ((test[1] >> 0) & 0xff) << 8
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| ((test[1] >> 8) & 0xff) << 0;
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if (((status >= 0x01 && status <= 0x07) || status == 0x21)
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&& (flags == 0x01 || flags == 0x00)
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&& (6 + msg_len + data_len == ct_len))
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{
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if (atomic_inc (&hashes_shown[digests_offset]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
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}
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}
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}
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}
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}
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KERNEL_FQ void m16100_sxx (KERN_ATTR_VECTOR_ESALT (tacacs_plus_t))
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{
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/**
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* modifier
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*/
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const u64 lid = get_local_id (0);
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const u64 gid = get_global_id (0);
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if (gid >= gid_max) return;
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/**
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* base
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*/
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const u32 pw_len = pws[gid].pw_len;
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u32x w[64] = { 0 };
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for (int i = 0, idx = 0; i < pw_len; i += 4, idx += 1)
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{
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w[idx] = pws[gid].i[idx];
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}
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md5_ctx_t ctx0;
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md5_init (&ctx0);
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u32 session0[4];
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u32 session1[4];
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u32 session2[4];
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u32 session3[4];
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session0[0] = esalt_bufs[digests_offset].session_buf[0];
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session0[1] = 0;
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session0[2] = 0;
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session0[3] = 0;
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session1[0] = 0;
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session1[1] = 0;
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session1[2] = 0;
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session1[3] = 0;
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session2[0] = 0;
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session2[1] = 0;
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session2[2] = 0;
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session2[3] = 0;
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session3[0] = 0;
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session3[1] = 0;
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session3[2] = 0;
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session3[3] = 0;
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md5_update_64 (&ctx0, session0, session1, session2, session3, 4);
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u32 ct_buf[2];
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ct_buf[0] = esalt_bufs[digests_offset].ct_data_buf[0];
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ct_buf[1] = esalt_bufs[digests_offset].ct_data_buf[1];
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u32 ct_len = esalt_bufs[digests_offset].ct_data_len;
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u32 sequence_buf0 = esalt_bufs[digests_offset].sequence_buf[0];
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/**
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* loop
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*/
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u32x w0l = w[0];
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for (u32 il_pos = 0; il_pos < il_cnt; il_pos += VECT_SIZE)
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{
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const u32x w0r = words_buf_r[il_pos / VECT_SIZE];
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const u32x w0 = w0l | w0r;
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w[0] = w0;
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md5_ctx_vector_t ctx;
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md5_init_vector_from_scalar (&ctx, &ctx0);
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md5_update_vector (&ctx, w, pw_len);
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u32x sequence0[4];
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u32x sequence1[4];
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u32x sequence2[4];
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u32x sequence3[4];
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sequence0[0] = sequence_buf0;
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sequence0[1] = 0;
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sequence0[2] = 0;
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sequence0[3] = 0;
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sequence1[0] = 0;
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sequence1[1] = 0;
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sequence1[2] = 0;
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sequence1[3] = 0;
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sequence2[0] = 0;
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sequence2[1] = 0;
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sequence2[2] = 0;
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sequence2[3] = 0;
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sequence3[0] = 0;
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sequence3[1] = 0;
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sequence3[2] = 0;
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sequence3[3] = 0;
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md5_update_vector_64 (&ctx, sequence0, sequence1, sequence2, sequence3, 2);
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md5_final_vector (&ctx);
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u32 test[2];
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test[0] = ctx.h[0] ^ ct_buf[0];
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test[1] = ctx.h[1] ^ ct_buf[1];
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if (sequence_buf0 == 0x01c0)
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{
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const u32 action = ((test[0] >> 0) & 0xff);
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// can have more than predefined ones
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// const u32 priv_lvl = ((test[0] >> 8) & 0xff);
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const u32 authen_type = ((test[0] >> 16) & 0xff);
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const u32 authen_service = ((test[0] >> 24) & 0xff);
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const u32 user_len = ((test[1] >> 0) & 0xff);
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const u32 port_len = ((test[1] >> 8) & 0xff);
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const u32 rem_addr_len = ((test[1] >> 16) & 0xff);
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const u32 data_len = ((test[1] >> 24) & 0xff);
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if (((action == 0x01) || (action == 0x02) || (action == 0x04))
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&& ((authen_type >= 0x01) && (authen_type <= 0x06))
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&& ((authen_service >= 0x00) && (authen_service <= 0x09))
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&& ((8 + user_len + port_len + rem_addr_len + data_len) == ct_len))
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{
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if (atomic_inc (&hashes_shown[digests_offset]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
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}
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}
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}
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else if ((sequence_buf0 == 0x03c0) || (sequence_buf0 == 0x05c0))
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{
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const u32 msg_len = ((test[0] >> 0) & 0xff) << 8
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| ((test[0] >> 8) & 0xff) << 0;
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const u32 data_len = ((test[0] >> 16) & 0xff) << 8
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| ((test[0] >> 24) & 0xff) << 0;
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const u32 flags = ((test[1] >> 0) & 0xff);
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if (((5 + msg_len) == ct_len)
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&& (data_len == 0)
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&& (flags == 0))
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{
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if (atomic_inc (&hashes_shown[digests_offset]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
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}
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}
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}
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else
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{
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const u32 status = ((test[0] >> 0) & 0xff);
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const u32 flags = ((test[0] >> 8) & 0xff);
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const u32 msg_len = ((test[0] >> 16) & 0xff) << 8
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| ((test[0] >> 24) & 0xff) << 0;
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const u32 data_len = ((test[1] >> 0) & 0xff) << 8
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| ((test[1] >> 8) & 0xff) << 0;
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if (((status >= 0x01 && status <= 0x07) || status == 0x21)
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&& (flags == 0x01 || flags == 0x00)
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&& (6 + msg_len + data_len == ct_len))
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{
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if (atomic_inc (&hashes_shown[digests_offset]) == 0)
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{
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mark_hash (plains_buf, d_return_buf, salt_pos, digests_cnt, 0, digests_offset + 0, gid, il_pos, 0, 0);
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}
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}
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}
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}
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}
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