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387 lines
16 KiB
C
387 lines
16 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_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_5;
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static const u32 HASH_CATEGORY = HASH_CATEGORY_OS;
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static const char *HASH_NAME = "Juniper/NetBSD sha1crypt";
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static const u64 KERN_TYPE = 15100;
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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 = "$sha1$20000$75552156$HhYMDdaEHiK3eMIzTldOFPnw.s2Q";
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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_sha1_tmp
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{
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u32 ipad[5];
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u32 opad[5];
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u32 dgst[32];
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u32 out[32];
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} pbkdf2_sha1_tmp_t;
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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_sha1_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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// this overrides the reductions of PW_MAX in case optimized kernel is selected
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// IOW, even in optimized kernel mode it support length 256
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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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static const char *SIGNATURE_NETBSD_SHA1CRYPT = "$sha1$";
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static void netbsd_sha1crypt_decode (u8 digest[20], const u8 buf[28], u8 *additional_byte)
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{
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int l;
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l = itoa64_to_int (buf[ 0]) << 0;
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l |= itoa64_to_int (buf[ 1]) << 6;
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l |= itoa64_to_int (buf[ 2]) << 12;
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l |= itoa64_to_int (buf[ 3]) << 18;
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digest[ 2] = (l >> 0) & 0xff;
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digest[ 1] = (l >> 8) & 0xff;
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digest[ 0] = (l >> 16) & 0xff;
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l = itoa64_to_int (buf[ 4]) << 0;
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l |= itoa64_to_int (buf[ 5]) << 6;
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l |= itoa64_to_int (buf[ 6]) << 12;
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l |= itoa64_to_int (buf[ 7]) << 18;
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digest[ 5] = (l >> 0) & 0xff;
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digest[ 4] = (l >> 8) & 0xff;
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digest[ 3] = (l >> 16) & 0xff;
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l = itoa64_to_int (buf[ 8]) << 0;
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l |= itoa64_to_int (buf[ 9]) << 6;
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l |= itoa64_to_int (buf[10]) << 12;
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l |= itoa64_to_int (buf[11]) << 18;
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digest[ 8] = (l >> 0) & 0xff;
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digest[ 7] = (l >> 8) & 0xff;
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digest[ 6] = (l >> 16) & 0xff;
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l = itoa64_to_int (buf[12]) << 0;
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l |= itoa64_to_int (buf[13]) << 6;
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l |= itoa64_to_int (buf[14]) << 12;
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l |= itoa64_to_int (buf[15]) << 18;
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digest[11] = (l >> 0) & 0xff;
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digest[10] = (l >> 8) & 0xff;
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digest[ 9] = (l >> 16) & 0xff;
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l = itoa64_to_int (buf[16]) << 0;
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l |= itoa64_to_int (buf[17]) << 6;
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l |= itoa64_to_int (buf[18]) << 12;
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l |= itoa64_to_int (buf[19]) << 18;
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digest[14] = (l >> 0) & 0xff;
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digest[13] = (l >> 8) & 0xff;
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digest[12] = (l >> 16) & 0xff;
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l = itoa64_to_int (buf[20]) << 0;
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l |= itoa64_to_int (buf[21]) << 6;
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l |= itoa64_to_int (buf[22]) << 12;
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l |= itoa64_to_int (buf[23]) << 18;
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digest[17] = (l >> 0) & 0xff;
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digest[16] = (l >> 8) & 0xff;
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digest[15] = (l >> 16) & 0xff;
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l = itoa64_to_int (buf[24]) << 0;
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l |= itoa64_to_int (buf[25]) << 6;
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l |= itoa64_to_int (buf[26]) << 12;
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l |= itoa64_to_int (buf[27]) << 18;
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additional_byte[0] = (l >> 0) & 0xff;
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digest[19] = (l >> 8) & 0xff;
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digest[18] = (l >> 16) & 0xff;
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}
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static void netbsd_sha1crypt_encode (const u8 digest[20], u8 additional_byte, u8 buf[30])
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{
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int l;
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l = (digest[ 2] << 0) | (digest[ 1] << 8) | (digest[ 0] << 16);
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buf[ 0] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[ 1] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[ 2] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[ 3] = int_to_itoa64 (l & 0x3f);
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l = (digest[ 5] << 0) | (digest[ 4] << 8) | (digest[ 3] << 16);
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buf[ 4] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[ 5] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[ 6] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[ 7] = int_to_itoa64 (l & 0x3f);
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l = (digest[ 8] << 0) | (digest[ 7] << 8) | (digest[ 6] << 16);
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buf[ 8] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[ 9] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[10] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[11] = int_to_itoa64 (l & 0x3f);
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l = (digest[11] << 0) | (digest[10] << 8) | (digest[ 9] << 16);
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buf[12] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[13] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[14] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[15] = int_to_itoa64 (l & 0x3f);
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l = (digest[14] << 0) | (digest[13] << 8) | (digest[12] << 16);
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buf[16] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[17] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[18] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[19] = int_to_itoa64 (l & 0x3f);
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l = (digest[17] << 0) | (digest[16] << 8) | (digest[15] << 16);
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buf[20] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[21] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[22] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[23] = int_to_itoa64 (l & 0x3f);
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l = (additional_byte << 0) | (digest[19] << 8) | (digest[18] << 16);
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buf[24] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[25] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[26] = int_to_itoa64 (l & 0x3f); l >>= 6;
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buf[27] = int_to_itoa64 (l & 0x3f);
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buf[28] = 0;
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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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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_NETBSD_SHA1CRYPT;
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token.len[0] = 6;
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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] = '$';
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token.len_min[1] = 1;
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token.len_max[1] = 6;
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token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_DIGIT;
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token.sep[2] = '$';
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token.len_min[2] = 8;
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token.len_max[2] = 8;
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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] = 28;
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token.len_max[3] = 28;
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token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH
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| TOKEN_ATTR_VERIFY_BASE64B;
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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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// iter
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const u8 *iter_pos = token.buf[1];
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u32 iter = hc_strtoul ((const char *) iter_pos, NULL, 10);
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if (iter < 99) return (PARSER_SALT_ITERATION); // (actually: CRYPT_SHA1_ITERATIONS should be 24680 or more)
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salt->salt_iter = iter - 1;
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// 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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memcpy ((u8 *) salt->salt_buf, salt_pos, salt_len);
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salt->salt_len = salt_len;
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// hash
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const u8 *hash_pos = token.buf[3];
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netbsd_sha1crypt_decode ((u8 *) digest, hash_pos, (u8 *) salt->salt_sign);
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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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// precompute salt
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char *ptr = (char *) salt->salt_buf_pc;
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const int salt_len_pc = snprintf (ptr, 64, "%s$sha1$%u", (char *) salt->salt_buf, iter);
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ptr[salt_len_pc] = 0x80;
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salt->salt_len_pc = salt_len_pc;
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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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// encode the digest:
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u32 tmp[5] = { 0 }; // this (useless?) initialization makes scan-build happy
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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 ptr_plain[32] = { 0 };
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netbsd_sha1crypt_encode ((unsigned char *) tmp, salt->salt_sign[0], (unsigned char *) ptr_plain);
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// salt
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char tmp_salt[SALT_MAX * 2];
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memcpy (tmp_salt, salt->salt_buf, salt->salt_len);
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tmp_salt[salt->salt_len] = 0;
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// output:
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const int line_len = snprintf (line_buf, line_size, "$sha1$%u$%s$%s",
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salt->salt_iter + 1,
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tmp_salt,
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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;
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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_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;
|
|
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;
|
|
}
|