mirror of https://github.com/hashcat/hashcat.git
thesubtlety
4 years ago
parent
ed893e86fb
commit
4fafca4747
@ -0,0 +1,388 @@
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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_OUTSIDE_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_64;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_NETWORK_SERVER;
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static const char *HASH_NAME = "RedHat 389-DS LDAP (PBKDF2-HMAC-SHA256)";
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static const u64 KERN_TYPE = 10900;
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static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE
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| OPTI_TYPE_SLOW_HASH_SIMD_LOOP;
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static const u64 OPTS_TYPE = 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 = "{PBKDF2_SHA256}AACkEGhlaiBqZW5z/jtuSox0CrtV9SHiVFjYeHpQ/ki2kwDrQeSqiiTn8LOmpPCw3r6TK/JDfl+ZAXRoc3VidGxldHllIXuxBDl6ItQOMupkRn+hzi/LEdr62a7B9sNOo8BPL9Z2nOi/m9AI+nAd/qwpLD1fbeDgs2DdpCZ4QfljuCLRBdURZV3HcXDUjD7PZ1CQcIOv9VbFlbu0IBmiU7ccMyb/qoxi+rPMqE4U8f6hL0TQjTjlOzU9MpPYS+WfztpYy7lEN6QghhOz0xe+0y2rDoK+yCS4PykkNS4FFc+xeiT6SNy3r7m+0teyaQKOExLrjogWkj+t+e4bMpHNx/FL3jkjCsuZnhq/t8eshG9DKmeD9b/QMkqT8dxe0jmr0s4+GnmHpMQMAxYW3pg70TluiDp3kJrDr1/d8OQerkQRevNx";
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static const u32 HASH_LEN_RAW = 256;
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static const u32 SALT_LEN_RAW = 64;
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static const u32 ITER_LEN_RAW = 4;
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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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typedef struct pbkdf2_sha256
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{
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u32 salt_buf[64];
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} pbkdf2_sha256_t;
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typedef struct pbkdf2_sha256_tmp
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{
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u32 ipad[8];
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u32 opad[8];
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u32 dgst[32];
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u32 out[32];
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} pbkdf2_sha256_tmp_t;
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static const char *SIGNATURE_REDHAT_PBKDF2_SHA256 = "{PBKDF2_SHA256}";
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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 (pbkdf2_sha256_t);
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return esalt_size;
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}
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u64 module_tmp_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 tmp_size = (const u64) sizeof (pbkdf2_sha256_tmp_t);
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return tmp_size;
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}
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u32 module_pw_max (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 u32 pw_max = PW_MAX;
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return pw_max;
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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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pbkdf2_sha256_t *pbkdf2_sha256 = (pbkdf2_sha256_t *) esalt_buf;
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token_t token;
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token.token_cnt = 2;
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token.signatures_cnt = 1;
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token.signatures_buf[0] = SIGNATURE_REDHAT_PBKDF2_SHA256;
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//length of signature
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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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//length of base64 encoded hash
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token.len_min[1] = 432;
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token.len_max[1] = 432;
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token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_BASE64A;
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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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//read hash into tmp_buf
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const u8 *tmp_pos = token.buf[1];
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const int tmp_len = token.len[1];
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u8 tmp_buf[324];
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memset (tmp_buf, 0, sizeof (tmp_buf));
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const int base64_decode_len = base64_decode (base64_to_int, tmp_pos, tmp_len, tmp_buf);
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if (base64_decode_len != (4 + 64 + 256)) return (PARSER_HASH_LENGTH);
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// iter
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u8 *iter_pos = tmp_buf;
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uint32_t iters[4] = {0};
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memcpy (iters, iter_pos, ITER_LEN_RAW);
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// implementation does a ntohl(*iters)
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salt->salt_iter = byte_swap_32(*iters) - 1;
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// salt
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u8 *salt_pos = tmp_buf + ITER_LEN_RAW;
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salt->salt_len = SALT_LEN_RAW;
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u8 *salt_buf_ptr = (u8 *) pbkdf2_sha256->salt_buf;
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memcpy (salt_buf_ptr, salt_pos, SALT_LEN_RAW);
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// hash
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u8 *hash_pos = tmp_buf + ITER_LEN_RAW + SALT_LEN_RAW;
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memcpy(digest, hash_pos, HASH_LEN_RAW);
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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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digest[5] = byte_swap_32 (digest[5]);
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digest[6] = byte_swap_32 (digest[6]);
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digest[7] = byte_swap_32 (digest[7]);
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digest[8] = byte_swap_32 (digest[8]);
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digest[9] = byte_swap_32 (digest[9]);
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digest[10] = byte_swap_32 (digest[10]);
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digest[11] = byte_swap_32 (digest[11]);
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digest[12] = byte_swap_32 (digest[12]);
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digest[13] = byte_swap_32 (digest[13]);
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digest[14] = byte_swap_32 (digest[14]);
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digest[15] = byte_swap_32 (digest[15]);
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digest[16] = byte_swap_32 (digest[16]);
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digest[17] = byte_swap_32 (digest[17]);
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digest[18] = byte_swap_32 (digest[18]);
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digest[19] = byte_swap_32 (digest[19]);
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digest[20] = byte_swap_32 (digest[20]);
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digest[21] = byte_swap_32 (digest[21]);
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digest[22] = byte_swap_32 (digest[22]);
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digest[23] = byte_swap_32 (digest[23]);
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digest[24] = byte_swap_32 (digest[24]);
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digest[25] = byte_swap_32 (digest[25]);
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digest[26] = byte_swap_32 (digest[26]);
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digest[27] = byte_swap_32 (digest[27]);
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digest[28] = byte_swap_32 (digest[28]);
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digest[29] = byte_swap_32 (digest[29]);
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digest[30] = byte_swap_32 (digest[30]);
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digest[31] = byte_swap_32 (digest[31]);
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digest[32] = byte_swap_32 (digest[32]);
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digest[33] = byte_swap_32 (digest[33]);
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digest[34] = byte_swap_32 (digest[34]);
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digest[35] = byte_swap_32 (digest[35]);
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digest[36] = byte_swap_32 (digest[36]);
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digest[37] = byte_swap_32 (digest[37]);
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digest[38] = byte_swap_32 (digest[38]);
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digest[39] = byte_swap_32 (digest[39]);
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digest[40] = byte_swap_32 (digest[40]);
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digest[41] = byte_swap_32 (digest[41]);
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digest[42] = byte_swap_32 (digest[42]);
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digest[43] = byte_swap_32 (digest[43]);
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digest[44] = byte_swap_32 (digest[44]);
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digest[45] = byte_swap_32 (digest[45]);
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digest[46] = byte_swap_32 (digest[46]);
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digest[47] = byte_swap_32 (digest[47]);
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digest[48] = byte_swap_32 (digest[48]);
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digest[49] = byte_swap_32 (digest[49]);
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digest[50] = byte_swap_32 (digest[50]);
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digest[51] = byte_swap_32 (digest[51]);
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digest[52] = byte_swap_32 (digest[52]);
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digest[53] = byte_swap_32 (digest[53]);
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digest[54] = byte_swap_32 (digest[54]);
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digest[55] = byte_swap_32 (digest[55]);
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digest[56] = byte_swap_32 (digest[56]);
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digest[57] = byte_swap_32 (digest[57]);
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digest[58] = byte_swap_32 (digest[58]);
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digest[59] = byte_swap_32 (digest[59]);
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digest[60] = byte_swap_32 (digest[60]);
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digest[61] = byte_swap_32 (digest[61]);
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digest[62] = byte_swap_32 (digest[62]);
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digest[63] = byte_swap_32 (digest[63]);
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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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const pbkdf2_sha256_t *pbkdf2_sha256 = (pbkdf2_sha256_t *) esalt_buf;
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u32 tmp_digest[64];
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tmp_digest[0] = byte_swap_32 (digest[0]);
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tmp_digest[1] = byte_swap_32 (digest[1]);
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tmp_digest[2] = byte_swap_32 (digest[2]);
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tmp_digest[3] = byte_swap_32 (digest[3]);
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tmp_digest[4] = byte_swap_32 (digest[4]);
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tmp_digest[5] = byte_swap_32 (digest[5]);
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tmp_digest[6] = byte_swap_32 (digest[6]);
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tmp_digest[7] = byte_swap_32 (digest[7]);
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tmp_digest[8] = byte_swap_32 (digest[8]);
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tmp_digest[9] = byte_swap_32 (digest[9]);
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tmp_digest[10] = byte_swap_32 (digest[10]);
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tmp_digest[11] = byte_swap_32 (digest[11]);
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tmp_digest[12] = byte_swap_32 (digest[12]);
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tmp_digest[13] = byte_swap_32 (digest[13]);
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tmp_digest[14] = byte_swap_32 (digest[14]);
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tmp_digest[15] = byte_swap_32 (digest[15]);
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tmp_digest[16] = byte_swap_32 (digest[16]);
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tmp_digest[17] = byte_swap_32 (digest[17]);
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tmp_digest[18] = byte_swap_32 (digest[18]);
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tmp_digest[19] = byte_swap_32 (digest[19]);
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tmp_digest[20] = byte_swap_32 (digest[20]);
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tmp_digest[21] = byte_swap_32 (digest[21]);
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tmp_digest[22] = byte_swap_32 (digest[22]);
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tmp_digest[23] = byte_swap_32 (digest[23]);
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tmp_digest[24] = byte_swap_32 (digest[24]);
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tmp_digest[25] = byte_swap_32 (digest[25]);
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tmp_digest[26] = byte_swap_32 (digest[26]);
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tmp_digest[27] = byte_swap_32 (digest[27]);
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tmp_digest[28] = byte_swap_32 (digest[28]);
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tmp_digest[29] = byte_swap_32 (digest[29]);
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tmp_digest[30] = byte_swap_32 (digest[30]);
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tmp_digest[31] = byte_swap_32 (digest[31]);
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tmp_digest[32] = byte_swap_32 (digest[32]);
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tmp_digest[33] = byte_swap_32 (digest[33]);
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tmp_digest[34] = byte_swap_32 (digest[34]);
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tmp_digest[35] = byte_swap_32 (digest[35]);
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tmp_digest[36] = byte_swap_32 (digest[36]);
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tmp_digest[37] = byte_swap_32 (digest[37]);
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tmp_digest[38] = byte_swap_32 (digest[38]);
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tmp_digest[39] = byte_swap_32 (digest[39]);
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tmp_digest[40] = byte_swap_32 (digest[40]);
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tmp_digest[41] = byte_swap_32 (digest[41]);
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tmp_digest[42] = byte_swap_32 (digest[42]);
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tmp_digest[43] = byte_swap_32 (digest[43]);
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tmp_digest[44] = byte_swap_32 (digest[44]);
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tmp_digest[45] = byte_swap_32 (digest[45]);
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tmp_digest[46] = byte_swap_32 (digest[46]);
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tmp_digest[47] = byte_swap_32 (digest[47]);
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tmp_digest[48] = byte_swap_32 (digest[48]);
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tmp_digest[49] = byte_swap_32 (digest[49]);
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tmp_digest[50] = byte_swap_32 (digest[50]);
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tmp_digest[51] = byte_swap_32 (digest[51]);
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tmp_digest[52] = byte_swap_32 (digest[52]);
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tmp_digest[53] = byte_swap_32 (digest[53]);
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tmp_digest[54] = byte_swap_32 (digest[54]);
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tmp_digest[55] = byte_swap_32 (digest[55]);
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tmp_digest[56] = byte_swap_32 (digest[56]);
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tmp_digest[57] = byte_swap_32 (digest[57]);
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tmp_digest[58] = byte_swap_32 (digest[58]);
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tmp_digest[59] = byte_swap_32 (digest[59]);
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tmp_digest[60] = byte_swap_32 (digest[60]);
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tmp_digest[61] = byte_swap_32 (digest[61]);
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tmp_digest[62] = byte_swap_32 (digest[62]);
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tmp_digest[63] = byte_swap_32 (digest[63]);
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char tmp_buf[324] = { 0 };
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memset (tmp_buf, 0, sizeof (tmp_buf));
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uint32_t salt_iters[4] = { 0 };
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salt_iters[0] = byte_swap_32 (salt->salt_iter + 1); //htonl(salt->salt_iter);
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memcpy (tmp_buf, salt_iters, 4);
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memcpy (tmp_buf + 4, pbkdf2_sha256->salt_buf, salt->salt_len);
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memcpy (tmp_buf + 4 + 64, tmp_digest, 256);
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char ptr_plain[433] = { 0 };
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base64_encode (int_to_base64, (const u8 *) tmp_buf, 324, (u8 *) ptr_plain);
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const int line_len = snprintf (line_buf, line_size, "%s%s", SIGNATURE_REDHAT_PBKDF2_SHA256, ptr_plain);
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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;
|
||||
module_ctx->module_dgst_pos0 = module_dgst_pos0;
|
||||
module_ctx->module_dgst_pos1 = module_dgst_pos1;
|
||||
module_ctx->module_dgst_pos2 = module_dgst_pos2;
|
||||
module_ctx->module_dgst_pos3 = module_dgst_pos3;
|
||||
module_ctx->module_dgst_size = module_dgst_size;
|
||||
module_ctx->module_dictstat_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_esalt_size = module_esalt_size;
|
||||
module_ctx->module_extra_buffer_size = MODULE_DEFAULT;
|
||||
module_ctx->module_extra_tmp_size = MODULE_DEFAULT;
|
||||
module_ctx->module_forced_outfile_format = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_count = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_parse = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_binary_save = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode_potfile = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode_zero_hash = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_decode = module_hash_decode;
|
||||
module_ctx->module_hash_encode_status = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_encode_potfile = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_encode = module_hash_encode;
|
||||
module_ctx->module_hash_init_selftest = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_mode = MODULE_DEFAULT;
|
||||
module_ctx->module_hash_category = module_hash_category;
|
||||
module_ctx->module_hash_name = module_hash_name;
|
||||
module_ctx->module_hashes_count_min = MODULE_DEFAULT;
|
||||
module_ctx->module_hashes_count_max = MODULE_DEFAULT;
|
||||
module_ctx->module_hlfmt_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_hook12 = MODULE_DEFAULT;
|
||||
module_ctx->module_hook23 = MODULE_DEFAULT;
|
||||
module_ctx->module_hook_salt_size = MODULE_DEFAULT;
|
||||
module_ctx->module_hook_size = MODULE_DEFAULT;
|
||||
module_ctx->module_jit_build_options = MODULE_DEFAULT;
|
||||
module_ctx->module_jit_cache_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_accel_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_accel_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_loops_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_loops_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_threads_max = MODULE_DEFAULT;
|
||||
module_ctx->module_kernel_threads_min = MODULE_DEFAULT;
|
||||
module_ctx->module_kern_type = module_kern_type;
|
||||
module_ctx->module_kern_type_dynamic = MODULE_DEFAULT;
|
||||
module_ctx->module_opti_type = module_opti_type;
|
||||
module_ctx->module_opts_type = module_opts_type;
|
||||
module_ctx->module_outfile_check_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_outfile_check_nocomp = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_custom_check = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_disable = MODULE_DEFAULT;
|
||||
module_ctx->module_potfile_keep_all_hashes = MODULE_DEFAULT;
|
||||
module_ctx->module_pwdump_column = MODULE_DEFAULT;
|
||||
module_ctx->module_pw_max = module_pw_max;
|
||||
module_ctx->module_pw_min = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_max = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_min = MODULE_DEFAULT;
|
||||
module_ctx->module_salt_type = module_salt_type;
|
||||
module_ctx->module_separator = MODULE_DEFAULT;
|
||||
module_ctx->module_st_hash = module_st_hash;
|
||||
module_ctx->module_st_pass = module_st_pass;
|
||||
module_ctx->module_tmp_size = module_tmp_size;
|
||||
module_ctx->module_unstable_warning = MODULE_DEFAULT;
|
||||
module_ctx->module_warmup_disable = MODULE_DEFAULT;
|
||||
}
|
||||
|
||||
@ -0,0 +1,77 @@
|
||||
#!/usr/bin/env perl
|
||||
|
||||
##
|
||||
## Author......: See docs/credits.txt
|
||||
## License.....: MIT
|
||||
##
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
use Crypt::PBKDF2;
|
||||
use MIME::Base64;
|
||||
|
||||
sub module_constraints { [[0, 256], [64, 64], [-1, -1], [-1, -1], [-1, -1]] }
|
||||
|
||||
sub module_generate_hash
|
||||
{
|
||||
my $word = shift;
|
||||
my $salt = shift;
|
||||
my $iter = shift // 10000;
|
||||
|
||||
if (length $salt == 0)
|
||||
{
|
||||
$salt = random_bytes (16);
|
||||
}
|
||||
|
||||
my $pbkdf2 = Crypt::PBKDF2->new(
|
||||
hash_class => 'HMACSHA2',
|
||||
iterations => $iter,
|
||||
output_len => 256,
|
||||
salt_len => 64,
|
||||
);
|
||||
my $p = $pbkdf2->generate($word, $salt);
|
||||
|
||||
my $decoded_hash = $pbkdf2->decode_string($p);
|
||||
|
||||
my $diter = $decoded_hash->{"iterations"};
|
||||
|
||||
my $iterbytes = pack('I', unpack('N*', pack('L*', $diter)));
|
||||
|
||||
my $dsalt = $decoded_hash->{"salt"};
|
||||
|
||||
my $dhash = $decoded_hash->{"hash"};
|
||||
|
||||
my $tmp = $iterbytes . $dsalt . $dhash;
|
||||
|
||||
my $hash = "{PBKDF2_SHA256}" . encode_base64($tmp, '');
|
||||
|
||||
return $hash;
|
||||
}
|
||||
|
||||
sub module_verify_hash
|
||||
{
|
||||
my $line = shift;
|
||||
|
||||
my ($hash, $word) = split (':', $line);
|
||||
|
||||
return unless (substr ($hash, 0, 15) eq '{PBKDF2_SHA256}');
|
||||
|
||||
my $hashbytes = decode_base64(substr ($hash, 15, length $hash));
|
||||
|
||||
my $iterbytes = substr $hashbytes, 0, 4;
|
||||
|
||||
my $iter = unpack('N*', pack('L*', unpack("I",$iterbytes)));
|
||||
|
||||
my $salt = substr $hashbytes, 4, 64;
|
||||
|
||||
return unless defined $salt;
|
||||
return unless defined $iter;
|
||||
return unless defined $word;
|
||||
|
||||
my $new_hash = module_generate_hash ($word, $salt, $iter);
|
||||
|
||||
return ($new_hash, $word);
|
||||
}
|
||||
|
||||
1;
|
||||
|
||||
Loading…
Reference in new issue