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https://github.com/hashcat/hashcat.git
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248 lines
13 KiB
C
248 lines
13 KiB
C
/**
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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 = 3;
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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_8;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_OS;
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static const char *HASH_NAME = "Cisco-ASA MD5";
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static const u64 KERN_TYPE = 2410;
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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_EARLY_SKIP
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| OPTI_TYPE_NOT_ITERATED;
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static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE
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| OPTS_TYPE_PT_GENERATE_LE;
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static const u32 SALT_TYPE = SALT_TYPE_GENERIC;
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static const char *ST_PASS = "hashcat";
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static const char *ST_HASH = "YjDBNr.A0AN7DA8s:4684";
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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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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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hc_token_t token;
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memset (&token, 0, sizeof (hc_token_t));
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token.token_cnt = 2;
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token.sep[0] = hashconfig->separator;
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token.len[0] = 16;
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token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
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| TOKEN_ATTR_VERIFY_BASE64B;
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token.len_min[1] = 1;
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token.len_max[1] = 4;
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token.attr[1] = 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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const u8 *hash_pos = token.buf[0];
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digest[0] = itoa64_to_int (hash_pos[ 0]) << 0
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| itoa64_to_int (hash_pos[ 1]) << 6
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| itoa64_to_int (hash_pos[ 2]) << 12
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| itoa64_to_int (hash_pos[ 3]) << 18;
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digest[1] = itoa64_to_int (hash_pos[ 4]) << 0
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| itoa64_to_int (hash_pos[ 5]) << 6
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| itoa64_to_int (hash_pos[ 6]) << 12
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| itoa64_to_int (hash_pos[ 7]) << 18;
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digest[2] = itoa64_to_int (hash_pos[ 8]) << 0
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| itoa64_to_int (hash_pos[ 9]) << 6
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| itoa64_to_int (hash_pos[10]) << 12
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| itoa64_to_int (hash_pos[11]) << 18;
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digest[3] = itoa64_to_int (hash_pos[12]) << 0
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| itoa64_to_int (hash_pos[13]) << 6
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| itoa64_to_int (hash_pos[14]) << 12
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| itoa64_to_int (hash_pos[15]) << 18;
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if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
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{
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digest[0] -= MD5M_A;
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digest[1] -= MD5M_B;
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digest[2] -= MD5M_C;
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digest[3] -= MD5M_D;
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}
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digest[4] = digest[0]; // store for encoder
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digest[5] = digest[1];
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digest[6] = digest[2];
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digest[7] = digest[3];
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digest[0] &= 0x00ffffff;
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digest[1] &= 0x00ffffff;
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digest[2] &= 0x00ffffff;
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digest[3] &= 0x00ffffff;
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const u8 *salt_pos = token.buf[1];
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const int salt_len = token.len[1];
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const bool parse_rc = generic_salt_decode (hashconfig, salt_pos, salt_len, (u8 *) salt->salt_buf, (int *) &salt->salt_len);
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if (parse_rc == false) return (PARSER_SALT_LENGTH);
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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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// we can not change anything in the original buffer, otherwise destroying sorting
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// therefore create some local buffer
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u32 tmp[4];
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tmp[0] = digest[4];
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tmp[1] = digest[5];
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tmp[2] = digest[6];
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tmp[3] = digest[7];
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if (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL)
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{
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tmp[0] += MD5M_A;
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tmp[1] += MD5M_B;
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tmp[2] += MD5M_C;
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tmp[3] += MD5M_D;
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}
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u8 *out_buf = (u8 *) line_buf;
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out_buf[ 0] = int_to_itoa64 ((tmp[0] >> 0) & 0x3f);
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out_buf[ 1] = int_to_itoa64 ((tmp[0] >> 6) & 0x3f);
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out_buf[ 2] = int_to_itoa64 ((tmp[0] >> 12) & 0x3f);
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out_buf[ 3] = int_to_itoa64 ((tmp[0] >> 18) & 0x3f);
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out_buf[ 4] = int_to_itoa64 ((tmp[1] >> 0) & 0x3f);
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out_buf[ 5] = int_to_itoa64 ((tmp[1] >> 6) & 0x3f);
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out_buf[ 6] = int_to_itoa64 ((tmp[1] >> 12) & 0x3f);
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out_buf[ 7] = int_to_itoa64 ((tmp[1] >> 18) & 0x3f);
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out_buf[ 8] = int_to_itoa64 ((tmp[2] >> 0) & 0x3f);
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out_buf[ 9] = int_to_itoa64 ((tmp[2] >> 6) & 0x3f);
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out_buf[10] = int_to_itoa64 ((tmp[2] >> 12) & 0x3f);
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out_buf[11] = int_to_itoa64 ((tmp[2] >> 18) & 0x3f);
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out_buf[12] = int_to_itoa64 ((tmp[3] >> 0) & 0x3f);
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out_buf[13] = int_to_itoa64 ((tmp[3] >> 6) & 0x3f);
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out_buf[14] = int_to_itoa64 ((tmp[3] >> 12) & 0x3f);
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out_buf[15] = int_to_itoa64 ((tmp[3] >> 18) & 0x3f);
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int out_len = 16;
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out_buf[out_len] = hashconfig->separator;
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out_len += 1;
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out_len += generic_salt_encode (hashconfig, (const u8 *) salt->salt_buf, (const int) salt->salt_len, out_buf + out_len);
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return out_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_charset = 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_deprecated_notice = 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_extra_tuningdb_block = 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_postprocess = MODULE_DEFAULT;
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module_ctx->module_hash_decode_potfile = 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_potfile = 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_hashes_count_min = MODULE_DEFAULT;
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module_ctx->module_hashes_count_max = MODULE_DEFAULT;
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module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_size = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_init = MODULE_DEFAULT;
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module_ctx->module_hook_extra_param_term = 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_jit_cache_disable = 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_custom_check = 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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