mirror of
https://github.com/hashcat/hashcat.git
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258 lines
13 KiB
C
258 lines
13 KiB
C
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/**
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* Author......: See docs/credits.txt
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* License.....: MIT
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*/
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#include "common.h"
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#include "types.h"
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#include "modules.h"
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#include "bitops.h"
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#include "convert.h"
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#include "shared.h"
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static const u32 ATTACK_EXEC = ATTACK_EXEC_INSIDE_KERNEL;
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static const u32 DGST_POS0 = 0;
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static const u32 DGST_POS1 = 1;
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static const u32 DGST_POS2 = 2;
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static const u32 DGST_POS3 = 3;
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static const u32 DGST_SIZE = DGST_SIZE_4_4; // originally DGST_SIZE_4_;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_PROTOCOL;
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static const char *HASH_NAME = "TACACS+";
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static const u32 HASH_TYPE = HASH_TYPE_GENERIC;
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static const u64 KERN_TYPE = 16100;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
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| OPTI_TYPE_PRECOMPUTE_INIT
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| OPTI_TYPE_NOT_ITERATED
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| OPTI_TYPE_RAW_HASH;
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static const u64 OPTS_TYPE = OPTS_TYPE_STATE_BUFFER_LE
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| OPTS_TYPE_PT_GENERATE_LE;
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static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
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static const char *ST_PASS = "hashcat";
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static const char *ST_HASH = "$tacacs-plus$0$5fde8e68$4e13e8fb33df$c006";
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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u32 module_hash_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 HASH_TYPE; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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; }
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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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static const char *SIGNATURE_TACACS_PLUS = "$tacacs-plus$0$";
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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)
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{
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const u64 esalt_size = (const u64) sizeof (tacacs_plus_t);
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return esalt_size;
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}
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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)
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{
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u32 *digest = (u32 *) digest_buf;
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tacacs_plus_t *tacacs_plus = (tacacs_plus_t *) esalt_buf;
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token_t token;
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token.token_cnt = 4;
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token.signatures_cnt = 1;
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token.signatures_buf[0] = SIGNATURE_TACACS_PLUS;
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token.len[0] = 15;
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token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_SIGNATURE;
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token.sep[1] = '$';
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token.len_min[1] = 8;
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token.len_max[1] = 8;
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token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_HEX;
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token.sep[2] = '$';
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token.len_min[2] = 12;
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token.len_max[2] = 256;
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token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_HEX;
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token.sep[3] = '$';
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token.len_min[3] = 4;
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token.len_max[3] = 4;
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token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_HEX;
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const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
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if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
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// session
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const u8 *session_pos = token.buf[1];
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u8 *session_ptr = (u8 *) tacacs_plus->session_buf;
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session_ptr[0] = hex_to_u8 ((const u8 *) session_pos + 0);
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session_ptr[1] = hex_to_u8 ((const u8 *) session_pos + 2);
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session_ptr[2] = hex_to_u8 ((const u8 *) session_pos + 4);
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session_ptr[3] = hex_to_u8 ((const u8 *) session_pos + 6);
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// ct_buf
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const u8 *ct_buf_pos = token.buf[2];
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const int ct_buf_len = token.len[2];
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u8 *ct_data_ptr = (u8 *) tacacs_plus->ct_data_buf;
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for (int i = 0, j = 0; j < ct_buf_len; i += 1, j += 2)
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{
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ct_data_ptr[i] = hex_to_u8 ((const u8 *) &ct_buf_pos[j]);
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tacacs_plus->ct_data_len++;
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}
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// sequence
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const u8 *sequence_pos = token.buf[3];
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u8 *sequence_ptr = (u8 *) tacacs_plus->sequence_buf;
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sequence_ptr[0] = hex_to_u8 ((const u8 *) sequence_pos + 0);
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sequence_ptr[1] = hex_to_u8 ((const u8 *) sequence_pos + 2);
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// fake salt
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salt->salt_buf[0] = tacacs_plus->session_buf[0];
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salt->salt_buf[1] = tacacs_plus->sequence_buf[0];
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salt->salt_buf[2] = tacacs_plus->ct_data_buf[0];
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salt->salt_buf[3] = tacacs_plus->ct_data_buf[1];
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salt->salt_len = 16;
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// fake hash
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digest[0] = tacacs_plus->ct_data_buf[2];
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digest[1] = tacacs_plus->ct_data_buf[3];
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digest[2] = tacacs_plus->ct_data_buf[4];
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digest[3] = tacacs_plus->ct_data_buf[5];
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return (PARSER_OK);
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}
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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)
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{
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const tacacs_plus_t *tacacs_plus = (const tacacs_plus_t *) esalt_buf;
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char ct_data[256 + 1] = { 0 };
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const u8 *ct_data_ptr = (const u8 *) tacacs_plus->ct_data_buf;
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for (u32 i = 0, j = 0; i < tacacs_plus->ct_data_len; i += 1, j += 2)
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{
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sprintf (ct_data + j, "%02x", ct_data_ptr[i]);
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}
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const u8 *session_ptr = (const u8 *) tacacs_plus->session_buf;
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const u8 *sequence_ptr = (const u8 *) tacacs_plus->sequence_buf;
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const int line_len = snprintf (line_buf, line_size, "%s%02x%02x%02x%02x$%s$%02x%02x",
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SIGNATURE_TACACS_PLUS,
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session_ptr[0],
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session_ptr[1],
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session_ptr[2],
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session_ptr[3],
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ct_data,
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sequence_ptr[0],
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sequence_ptr[1]);
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return line_len;
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}
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void module_init (module_ctx_t *module_ctx)
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{
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module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT;
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module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT;
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module_ctx->module_attack_exec = module_attack_exec;
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module_ctx->module_benchmark_esalt = MODULE_DEFAULT;
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module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT;
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module_ctx->module_benchmark_mask = MODULE_DEFAULT;
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module_ctx->module_benchmark_salt = MODULE_DEFAULT;
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module_ctx->module_build_plain_postprocess = MODULE_DEFAULT;
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module_ctx->module_deep_comp_kernel = MODULE_DEFAULT;
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module_ctx->module_dgst_pos0 = module_dgst_pos0;
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module_ctx->module_dgst_pos1 = module_dgst_pos1;
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module_ctx->module_dgst_pos2 = module_dgst_pos2;
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module_ctx->module_dgst_pos3 = module_dgst_pos3;
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module_ctx->module_dgst_size = module_dgst_size;
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module_ctx->module_dictstat_disable = MODULE_DEFAULT;
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module_ctx->module_esalt_size = module_esalt_size;
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module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
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module_ctx->module_extra_tmp_size = MODULE_DEFAULT;
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module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
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module_ctx->module_hash_binary_count = MODULE_DEFAULT;
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module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
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module_ctx->module_hash_binary_save = MODULE_DEFAULT;
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module_ctx->module_hash_decode_outfile = MODULE_DEFAULT;
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module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
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module_ctx->module_hash_decode = module_hash_decode;
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module_ctx->module_hash_encode_status = MODULE_DEFAULT;
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module_ctx->module_hash_encode = module_hash_encode;
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module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
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module_ctx->module_hash_mode = MODULE_DEFAULT;
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module_ctx->module_hash_category = module_hash_category;
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module_ctx->module_hash_name = module_hash_name;
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module_ctx->module_hash_type = module_hash_type;
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module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
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module_ctx->module_hook12 = MODULE_DEFAULT;
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module_ctx->module_hook23 = MODULE_DEFAULT;
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module_ctx->module_hook_salt_size = MODULE_DEFAULT;
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module_ctx->module_hook_size = MODULE_DEFAULT;
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module_ctx->module_jit_build_options = MODULE_DEFAULT;
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module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
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module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
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module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
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module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
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module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
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module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
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module_ctx->module_kern_type = module_kern_type;
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module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;
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module_ctx->module_opti_type = module_opti_type;
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module_ctx->module_opts_type = module_opts_type;
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module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
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module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
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module_ctx->module_potfile_disable = MODULE_DEFAULT;
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module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
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module_ctx->module_pwdump_column = MODULE_DEFAULT;
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module_ctx->module_pw_max = MODULE_DEFAULT;
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module_ctx->module_pw_min = MODULE_DEFAULT;
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module_ctx->module_salt_max = MODULE_DEFAULT;
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module_ctx->module_salt_min = MODULE_DEFAULT;
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module_ctx->module_salt_type = module_salt_type;
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module_ctx->module_separator = MODULE_DEFAULT;
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module_ctx->module_st_hash = module_st_hash;
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module_ctx->module_st_pass = module_st_pass;
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module_ctx->module_tmp_size = MODULE_DEFAULT;
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module_ctx->module_unstable_warning = MODULE_DEFAULT;
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module_ctx->module_warmup_disable = MODULE_DEFAULT;
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}
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