mirror of https://github.com/hashcat/hashcat.git
jsteube
5 years ago
parent
fde470b315
commit
d5fae7670c
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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 = 3;
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static const u32 DGST_POS1 = 4;
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static const u32 DGST_POS2 = 2;
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static const u32 DGST_POS3 = 1;
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static const u32 DGST_SIZE = DGST_SIZE_4_5;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_SERVER;
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static const char *HASH_NAME = "DNSSEC (NSEC3)";
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static const u32 HASH_TYPE = HASH_TYPE_GENERIC;
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static const u64 KERN_TYPE = 8300;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
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static const u32 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_BE
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| OPTS_TYPE_ST_HEX
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| OPTS_TYPE_ST_ADD80;
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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 = "pi6a89u8tca930h8mvolklmesefc5gmn:.fnmlbsik.net:35537886:1";
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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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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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token_t token;
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token.token_cnt = 4;
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token.sep[0] = ':';
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token.len_min[0] = 32;
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token.len_max[0] = 32;
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token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH;
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token.sep[1] = ':';
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token.len_min[1] = 1;
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token.len_max[1] = 32;
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token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH;
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token.sep[2] = ':';
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token.len_min[2] = 1;
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token.len_max[2] = 32;
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token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH;
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token.sep[3] = ':';
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token.len_min[3] = 1;
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token.len_max[3] = 6;
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token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH;
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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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// ok, the plan for this algorithm is the following:
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// we have 2 salts here, the domain-name and a random salt
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// while both are used in the initial transformation,
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// only the random salt is used in the following iterations
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// so we create two buffer, one that includes domain-name (stored into salt_buf_pc[])
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// and one that includes only the real salt (stored into salt_buf[]).
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// the domain-name length is put into array position 7 of salt_buf_pc[] since there is not salt_pc_len
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const u8 *hash_pos = token.buf[0];
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const int hash_len = token.len[0];
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u8 tmp_buf[100] = { 0 };
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base32_decode (itoa32_to_int, hash_pos, hash_len, tmp_buf);
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memcpy (digest, tmp_buf, 20);
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digest[0] = byte_swap_32 (digest[0]);
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digest[1] = byte_swap_32 (digest[1]);
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digest[2] = byte_swap_32 (digest[2]);
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digest[3] = byte_swap_32 (digest[3]);
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digest[4] = byte_swap_32 (digest[4]);
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// domain
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const u8 *domain_pos = token.buf[1];
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const int domain_len = token.len[1];
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u8 *salt_buf_pc_ptr = (u8 *) salt->salt_buf_pc;
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memcpy (salt_buf_pc_ptr, domain_pos, domain_len);
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if (salt_buf_pc_ptr[0] != '.') return (PARSER_SALT_VALUE);
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u8 *len_ptr = salt_buf_pc_ptr;
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*len_ptr = 0;
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for (int i = 1; i < domain_len; i++)
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{
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if (salt_buf_pc_ptr[i] == '.')
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{
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len_ptr = salt_buf_pc_ptr + i;
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*len_ptr = 0;
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}
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else
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{
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*len_ptr += 1;
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}
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}
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salt->salt_len_pc = domain_len;
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// "real" salt
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const u8 *salt_pos = token.buf[2];
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const int salt_len = token.len[2];
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const bool parse_rc = parse_and_store_generic_salt ((u8 *) salt->salt_buf, (int *) &salt->salt_len, salt_pos, salt_len, hashconfig);
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if (parse_rc == false) return (PARSER_SALT_LENGTH);
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// iteration
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const u8 *iter_pos = token.buf[3];
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salt->salt_iter = hc_strtoul ((const char *) iter_pos, NULL, 10);
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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 u32 *digest = (const u32 *) digest_buf;
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u32 tmp[5];
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tmp[0] = byte_swap_32 (digest[0]);
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tmp[1] = byte_swap_32 (digest[1]);
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tmp[2] = byte_swap_32 (digest[2]);
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tmp[3] = byte_swap_32 (digest[3]);
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tmp[4] = byte_swap_32 (digest[4]);
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char digest_buf_c[34];
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base32_encode (int_to_itoa32, (const u8 *) tmp, 20, (u8 *) digest_buf_c);
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digest_buf_c[32] = 0;
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// domain
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const u32 salt_pc_len = salt->salt_len_pc;
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char domain_buf_c[33] = { 0 };
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memcpy (domain_buf_c, (char *) salt->salt_buf_pc, salt_pc_len);
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for (u32 i = 0; i < salt_pc_len; i++)
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{
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const char next = domain_buf_c[i];
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domain_buf_c[i] = '.';
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i += next;
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}
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domain_buf_c[salt_pc_len] = 0;
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// final
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char tmp_salt[128];
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exec_hexify ((const u8 *) salt->salt_buf, salt->salt_len, (u8 *) tmp_salt);
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tmp_salt[salt->salt_len * 2] = 0;
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const int line_len = snprintf (line_buf, line_size, "%s:%s:%s:%u", digest_buf_c, domain_buf_c, tmp_salt, salt->salt_iter);
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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_DEFAULT;
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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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