diff --git a/OpenCL/inc_common.cl b/OpenCL/inc_common.cl index 82b50b7c8..57afcac0f 100644 --- a/OpenCL/inc_common.cl +++ b/OpenCL/inc_common.cl @@ -1711,6 +1711,15 @@ DECLSPEC u32 hc_bfe_S (const u32 a, const u32 b, const u32 c) return r; } +DECLSPEC u32 hc_bytealign_be_S (const u32 a, const u32 b, const int c) +{ + const int c_mod_4 = c & 3; + + const u32 r = hc_byte_perm_S (b, a, (0x76543210 >> (c_mod_4 * 4)) & 0xffff); + + return r; +} + DECLSPEC u32x hc_bytealign (const u32x a, const u32x b, const int c) { const int c_mod_4 = c & 3; diff --git a/OpenCL/m17010-pure.cl b/OpenCL/m17010-pure.cl new file mode 100644 index 000000000..4b1f2bcab --- /dev/null +++ b/OpenCL/m17010-pure.cl @@ -0,0 +1,444 @@ +/** + * Author......: Netherlands Forensic Institute + * License.....: MIT + */ + +#define NEW_SIMD_CODE + +#ifdef KERNEL_STATIC +#include "inc_vendor.h" +#include "inc_types.h" +#include "inc_platform.cl" +#include "inc_common.cl" +#include "inc_hash_sha1.cl" +#include "inc_cipher_aes.cl" +#endif + +typedef struct gpg +{ + u32 cipher_algo; + u32 iv[4]; + u32 modulus_size; + u32 encrypted_data[384]; + u32 encrypted_data_size; + +} gpg_t; + +typedef struct gpg_tmp +{ + // buffer for a maximum of 256 + 8 characters, we extend it to 320 characters so it's always 64 byte aligned + u32 salted_pw_block[80]; + // actual number of bytes in 'salted_pwd' that are used since salt and password are copied multiple times into the buffer + u32 salted_pw_block_len; + + u32 h[10]; + + u32 w0[4]; + u32 w1[4]; + u32 w2[4]; + u32 w3[4]; + + u32 len; + +} gpg_tmp_t; + +DECLSPEC void memcat_be_S (u32 *block, const u32 offset, const u32 *append, u32 len) +{ + const u32 start_index = (offset - 1) >> 2; + const u32 count = ((offset + len + 3) >> 2) - start_index; + const int off_mod_4 = offset & 3; + const int off_minus_4 = 4 - off_mod_4; + + block[start_index] |= hc_bytealign_be_S (append[0], 0, off_minus_4); + + for (u32 idx = 1; idx < count; idx++) + { + block[start_index + idx] = hc_bytealign_be_S (append[idx], append[idx - 1], off_minus_4); + } +} + +DECLSPEC void memzero_be_S (u32 *block, const u32 start_offset, const u32 end_offset) +{ + const u32 start_idx = (start_offset + 3) / 4; + const u32 end_idx = (end_offset + 3) / 4; + + // zero out bytes in the first u32 starting from 'start_offset' + block[start_idx - 1] &= 0xffffffff >> (((4 - start_offset) & 3) * 8); + + // zero out bytes in u32 units -- note that the last u32 is completely zeroed! + for (u32 i = start_idx; i < end_idx; i++) + { + block[i] = 0; + } +} + +DECLSPEC void aes128_decrypt_cfb (GLOBAL_AS const u32 *encrypted_data, int data_len, const u32 *iv, const u32 *key, u32 *decrypted_data, + SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4) +{ + u32 ks[44]; + u32 essiv[4]; + + // Copy the IV, since this will be modified + essiv[0] = iv[0]; + essiv[1] = iv[1]; + essiv[2] = iv[2]; + essiv[3] = iv[3]; + + aes128_set_encrypt_key (ks, key, s_te0, s_te1, s_te2, s_te3); + + // Decrypt an AES-128 encrypted block + for (u32 i = 0; i < (data_len + 3) / 4; i += 4) + { + aes128_encrypt (ks, essiv, decrypted_data + i, s_te0, s_te1, s_te2, s_te3, s_te4); + + decrypted_data[i + 0] ^= encrypted_data[i + 0]; + decrypted_data[i + 1] ^= encrypted_data[i + 1]; + decrypted_data[i + 2] ^= encrypted_data[i + 2]; + decrypted_data[i + 3] ^= encrypted_data[i + 3]; + + // Note: Not necessary if you are only decrypting a single block! + essiv[0] = encrypted_data[i + 0]; + essiv[1] = encrypted_data[i + 1]; + essiv[2] = encrypted_data[i + 2]; + essiv[3] = encrypted_data[i + 3]; + } +} + +DECLSPEC void aes256_decrypt_cfb (GLOBAL_AS const u32 *encrypted_data, int data_len, const u32 *iv, const u32 *key, u32 *decrypted_data, + SHM_TYPE u32 *s_te0, SHM_TYPE u32 *s_te1, SHM_TYPE u32 *s_te2, SHM_TYPE u32 *s_te3, SHM_TYPE u32 *s_te4) +{ + u32 ks[60]; + u32 essiv[4]; + + // Copy the IV, since this will be modified + essiv[0] = iv[0]; + essiv[1] = iv[1]; + essiv[2] = iv[2]; + essiv[3] = iv[3]; + + aes256_set_encrypt_key (ks, key, s_te0, s_te1, s_te2, s_te3); + + // Decrypt an AES-256 encrypted block + for (u32 i = 0; i < (data_len + 3) / 4; i += 4) + { + aes256_encrypt (ks, essiv, decrypted_data + i, s_te0, s_te1, s_te2, s_te3, s_te4); + + decrypted_data[i + 0] ^= encrypted_data[i + 0]; + decrypted_data[i + 1] ^= encrypted_data[i + 1]; + decrypted_data[i + 2] ^= encrypted_data[i + 2]; + decrypted_data[i + 3] ^= encrypted_data[i + 3]; + + // Note: Not necessary if you are only decrypting a single block! + essiv[0] = encrypted_data[i + 0]; + essiv[1] = encrypted_data[i + 1]; + essiv[2] = encrypted_data[i + 2]; + essiv[3] = encrypted_data[i + 3]; + } +} + +DECLSPEC int check_decoded_data (u32 *decoded_data, const u32 decoded_data_size) +{ + // Check the SHA-1 of the decrypted data which is stored at the end of the decrypted data + const u32 sha1_byte_off = (decoded_data_size - 20); + const u32 sha1_u32_off = sha1_byte_off / 4; + + u32 expected_sha1[5]; + expected_sha1[0] = hc_bytealign_be_S (decoded_data[sha1_u32_off + 1], decoded_data[sha1_u32_off + 0], sha1_byte_off); + expected_sha1[1] = hc_bytealign_be_S (decoded_data[sha1_u32_off + 2], decoded_data[sha1_u32_off + 1], sha1_byte_off); + expected_sha1[2] = hc_bytealign_be_S (decoded_data[sha1_u32_off + 3], decoded_data[sha1_u32_off + 2], sha1_byte_off); + expected_sha1[3] = hc_bytealign_be_S (decoded_data[sha1_u32_off + 4], decoded_data[sha1_u32_off + 3], sha1_byte_off); + expected_sha1[4] = hc_bytealign_be_S (decoded_data[sha1_u32_off + 5], decoded_data[sha1_u32_off + 4], sha1_byte_off); + + memzero_be_S (decoded_data, sha1_byte_off, 384 * sizeof(u32)); + + sha1_ctx_t ctx; + + sha1_init (&ctx); + + sha1_update_swap (&ctx, decoded_data, sha1_byte_off); + + sha1_final (&ctx); + + return (expected_sha1[0] == hc_swap32_S (ctx.h[0])) + && (expected_sha1[1] == hc_swap32_S (ctx.h[1])) + && (expected_sha1[2] == hc_swap32_S (ctx.h[2])) + && (expected_sha1[3] == hc_swap32_S (ctx.h[3])) + && (expected_sha1[4] == hc_swap32_S (ctx.h[4])); +} + +KERNEL_FQ void m17010_init (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t)) +{ + const u64 gid = get_global_id (0); + + if (gid >= gid_max) return; + + const u32 pw_len = pws[gid].pw_len; + const u32 salted_pw_len = (salt_bufs[SALT_POS].salt_len + pw_len); + + u32 salted_pw_block[80]; + + // concatenate salt and password -- the salt is always 8 bytes + salted_pw_block[0] = salt_bufs[SALT_POS].salt_buf[0]; + salted_pw_block[1] = salt_bufs[SALT_POS].salt_buf[1]; + + for (u32 idx = 0; idx < 64; idx++) salted_pw_block[idx + 2] = pws[gid].i[idx]; + + // zero remainder of buffer + for (u32 idx = 66; idx < 80; idx++) salted_pw_block[idx] = 0; + + // create a number of copies for efficiency + const u32 copies = 80 * sizeof(u32) / salted_pw_len; + for (u32 idx = 1; idx < copies; idx++) + { + memcat_be_S (salted_pw_block, idx * salted_pw_len, salted_pw_block, salted_pw_len); + } + + for (u32 idx = 0; idx < 80; idx++) tmps[gid].salted_pw_block[idx] = salted_pw_block[idx]; + + tmps[gid].salted_pw_block_len = (copies * salted_pw_len); +} + +KERNEL_FQ void m17010_loop_prepare (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t)) +{ + const u64 gid = get_global_id (0); + + if (gid >= gid_max) return; + + /** + * context save + */ + + sha1_ctx_t ctx; + + sha1_init (&ctx); + + // padd with one or more zeroes for larger target key sizes, e.g. for AES-256 + if (salt_repeat > 0) + { + u32 zeroes[16] = {0}; + + sha1_update (&ctx, zeroes, salt_repeat); + } + + const u32 sha_offset = salt_repeat * 5; + + for (int i = 0; i < 5; i++) tmps[gid].h[sha_offset + i] = ctx.h[i]; + for (int i = 0; i < 4; i++) tmps[gid].w0[i] = ctx.w0[i]; + for (int i = 0; i < 4; i++) tmps[gid].w1[i] = ctx.w1[i]; + for (int i = 0; i < 4; i++) tmps[gid].w2[i] = ctx.w2[i]; + for (int i = 0; i < 4; i++) tmps[gid].w3[i] = ctx.w3[i]; + + tmps[gid].len = ctx.len; +} + +KERNEL_FQ void m17010_loop (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t)) +{ + const u64 gid = get_global_id (0); + + if (gid >= gid_max) return; + + // get the prepared buffer from the gpg_tmp_t struct into a local buffer + u32 salted_pw_block[80]; + for (int i = 0; i < 80; i++) salted_pw_block[i] = tmps[gid].salted_pw_block[i]; + + const u32 salted_pw_block_len = tmps[gid].salted_pw_block_len; + if (salted_pw_block_len == 0) return; + + /** + * context load + */ + + sha1_ctx_t ctx; + + const u32 sha_offset = salt_repeat * 5; + + for (int i = 0; i < 5; i++) ctx.h[i] = tmps[gid].h[sha_offset + i]; + for (int i = 0; i < 4; i++) ctx.w0[i] = tmps[gid].w0[i]; + for (int i = 0; i < 4; i++) ctx.w1[i] = tmps[gid].w1[i]; + for (int i = 0; i < 4; i++) ctx.w2[i] = tmps[gid].w2[i]; + for (int i = 0; i < 4; i++) ctx.w3[i] = tmps[gid].w3[i]; + + ctx.len = tmps[gid].len; + + // sha-1 of salt and password, up to 'salt_iter' bytes + const u32 salt_iter = salt_bufs[SALT_POS].salt_iter; + + const u32 salted_pw_block_pos = loop_pos % salted_pw_block_len; + const u32 rounds = (loop_cnt + salted_pw_block_pos) / salted_pw_block_len; + + for (u32 i = 0; i < rounds; i++) + { + sha1_update_swap (&ctx, salted_pw_block, salted_pw_block_len); + } + + if ((loop_pos + loop_cnt) == salt_iter) + { + const u32 remaining_bytes = salt_iter % salted_pw_block_len; + + if (remaining_bytes) + { + memzero_be_S (salted_pw_block, remaining_bytes, salted_pw_block_len); + + sha1_update_swap (&ctx, salted_pw_block, remaining_bytes); + } + + sha1_final (&ctx); + } + + /** + * context save + */ + + for (int i = 0; i < 5; i++) tmps[gid].h[sha_offset + i] = ctx.h[i]; + for (int i = 0; i < 4; i++) tmps[gid].w0[i] = ctx.w0[i]; + for (int i = 0; i < 4; i++) tmps[gid].w1[i] = ctx.w1[i]; + for (int i = 0; i < 4; i++) tmps[gid].w2[i] = ctx.w2[i]; + for (int i = 0; i < 4; i++) tmps[gid].w3[i] = ctx.w3[i]; + + tmps[gid].len = ctx.len; +} + +KERNEL_FQ void m17010_comp (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t)) +{ + // not in use here, special case... +} + +KERNEL_FQ void m17010_aux1 (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t)) +{ + /** + * modifier + */ + + const u64 lid = get_local_id (0); + const u64 gid = get_global_id (0); + const u64 lsz = get_local_size (0); + + /** + * aes shared + */ + + #ifdef REAL_SHM + + LOCAL_VK u32 s_te0[256]; + LOCAL_VK u32 s_te1[256]; + LOCAL_VK u32 s_te2[256]; + LOCAL_VK u32 s_te3[256]; + LOCAL_VK u32 s_te4[256]; + + for (u32 i = lid; i < 256; i += lsz) + { + s_te0[i] = te0[i]; + s_te1[i] = te1[i]; + s_te2[i] = te2[i]; + s_te3[i] = te3[i]; + s_te4[i] = te4[i]; + } + + SYNC_THREADS (); + + #else + + CONSTANT_AS u32a *s_te0 = te0; + CONSTANT_AS u32a *s_te1 = te1; + CONSTANT_AS u32a *s_te2 = te2; + CONSTANT_AS u32a *s_te3 = te3; + CONSTANT_AS u32a *s_te4 = te4; + + #endif + + if (gid >= gid_max) return; + + // retrieve and use the SHA-1 as the key for AES + + u32 aes_key[4]; + + for (int i = 0; i < 4; i++) aes_key[i] = hc_swap32_S (tmps[gid].h[i]); + + u32 iv[4] = {0}; + + for (int idx = 0; idx < 4; idx++) iv[idx] = esalt_bufs[DIGESTS_OFFSET].iv[idx]; + + u32 decoded_data[384]; + + const u32 enc_data_size = esalt_bufs[DIGESTS_OFFSET].encrypted_data_size; + + aes128_decrypt_cfb (esalt_bufs[DIGESTS_OFFSET].encrypted_data, enc_data_size, iv, aes_key, decoded_data, s_te0, s_te1, s_te2, s_te3, s_te4); + + if (check_decoded_data (decoded_data, enc_data_size)) + { + if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0) + { + mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, 0, 0, 0); + } + } +} + +KERNEL_FQ void m17010_aux2 (KERN_ATTR_TMPS_ESALT (gpg_tmp_t, gpg_t)) +{ + /** + * modifier + */ + + const u64 lid = get_local_id (0); + const u64 gid = get_global_id (0); + const u64 lsz = get_local_size (0); + + /** + * aes shared + */ + + #ifdef REAL_SHM + + LOCAL_VK u32 s_te0[256]; + LOCAL_VK u32 s_te1[256]; + LOCAL_VK u32 s_te2[256]; + LOCAL_VK u32 s_te3[256]; + LOCAL_VK u32 s_te4[256]; + + for (u32 i = lid; i < 256; i += lsz) + { + s_te0[i] = te0[i]; + s_te1[i] = te1[i]; + s_te2[i] = te2[i]; + s_te3[i] = te3[i]; + s_te4[i] = te4[i]; + } + + SYNC_THREADS (); + + #else + + CONSTANT_AS u32a *s_te0 = te0; + CONSTANT_AS u32a *s_te1 = te1; + CONSTANT_AS u32a *s_te2 = te2; + CONSTANT_AS u32a *s_te3 = te3; + CONSTANT_AS u32a *s_te4 = te4; + + #endif + + if (gid >= gid_max) return; + + // retrieve and use the SHA-1 as the key for AES + + u32 aes_key[8]; + + for (int i = 0; i < 8; i++) aes_key[i] = hc_swap32_S (tmps[gid].h[i]); + + u32 iv[4] = {0}; + + for (int idx = 0; idx < 4; idx++) iv[idx] = esalt_bufs[DIGESTS_OFFSET].iv[idx]; + + u32 decoded_data[384]; + + const u32 enc_data_size = esalt_bufs[DIGESTS_OFFSET].encrypted_data_size; + + aes256_decrypt_cfb (esalt_bufs[DIGESTS_OFFSET].encrypted_data, enc_data_size, iv, aes_key, decoded_data, s_te0, s_te1, s_te2, s_te3, s_te4); + + if (check_decoded_data (decoded_data, enc_data_size)) + { + if (hc_atomic_inc (&hashes_shown[DIGESTS_OFFSET]) == 0) + { + mark_hash (plains_buf, d_return_buf, SALT_POS, digests_cnt, 0, DIGESTS_OFFSET + 0, gid, 0, 0, 0); + } + } +} diff --git a/src/modules/module_17010.c b/src/modules/module_17010.c new file mode 100644 index 000000000..93a19c521 --- /dev/null +++ b/src/modules/module_17010.c @@ -0,0 +1,394 @@ +/** + * Author......: Netherlands Forensic Institute + * License.....: MIT + */ + +#include "common.h" +#include "types.h" +#include "modules.h" +#include "bitops.h" +#include "convert.h" +#include "shared.h" + +static const u32 ATTACK_EXEC = ATTACK_EXEC_OUTSIDE_KERNEL; +static const u32 DGST_POS0 = 0; +static const u32 DGST_POS1 = 1; +static const u32 DGST_POS2 = 2; +static const u32 DGST_POS3 = 3; +static const u32 DGST_SIZE = DGST_SIZE_4_4; +static const u32 HASH_CATEGORY = HASH_CATEGORY_RAW_HASH; +static const char *HASH_NAME = "GPG (AES-128/AES-256 (SHA-1($pass)))"; +static const u64 KERN_TYPE = 17010; +static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE + | OPTI_TYPE_SLOW_HASH_SIMD_LOOP; +static const u64 OPTS_TYPE = OPTS_TYPE_PT_GENERATE_LE + | OPTS_TYPE_LOOP_PREPARE + | OPTS_TYPE_AUX1 + | OPTS_TYPE_AUX2 + | OPTS_TYPE_DEEP_COMP_KERNEL; +static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED; +static const char *ST_PASS = "hashcat"; +static const char *ST_HASH = "$gpg$*1*348*1024*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*3*254*2*7*16*a47ef38987beab0a0b9bfe74b72822e8*65536*1f5c90d9820997db"; + +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; } +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; } +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; } +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; } +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; } +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; } +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; } +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; } +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; } +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; } +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; } +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; } +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; } +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; } + +typedef struct gpg +{ + u32 cipher_algo; + u32 iv[4]; + u32 modulus_size; + u32 encrypted_data[384]; + u32 encrypted_data_size; + +} gpg_t; + +typedef struct gpg_tmp +{ + u32 salted_pw_block[80]; + + u32 salted_pw_block_len; + + u32 h[10]; + + u32 w0[4]; + u32 w1[4]; + u32 w2[4]; + u32 w3[4]; + + u32 len; + +} gpg_tmp_t; + +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) +{ + const u64 esalt_size = (const u64) sizeof (gpg_t); + + return esalt_size; +} + +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) +{ + const u64 tmp_size = (const u64) sizeof (gpg_tmp_t); + + return tmp_size; +} + +bool module_hlfmt_disable (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) +{ + const bool hlfmt_disable = true; + + return hlfmt_disable; +} + +u32 module_kernel_loops_min (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra) +{ + const u32 kernel_loops_min = 1024; + + return kernel_loops_min; +} + +u32 module_kernel_loops_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) +{ + const u32 kernel_loops_max = 65536; + + return kernel_loops_max; +} + +u32 module_deep_comp_kernel (MAYBE_UNUSED const hashes_t *hashes, MAYBE_UNUSED const u32 salt_pos, MAYBE_UNUSED const u32 digest_pos) +{ + const u32 digests_offset = hashes->salts_buf[salt_pos].digests_offset; + + gpg_t *gpgs = (gpg_t *) hashes->esalts_buf; + + gpg_t *gpg = &gpgs[digests_offset + digest_pos]; + + if (gpg->cipher_algo == 7) + { + return KERN_RUN_AUX1; + } + else if (gpg->cipher_algo == 9) + { + return KERN_RUN_AUX2; + } + + return 0; +} + +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) +{ + + u32 *digest = (u32 *) digest_buf; + + gpg_t *gpg = (gpg_t *) esalt_buf; + + token_t token; + + token.token_cnt = 13; + + // signature $gpg$ + token.signatures_cnt = 1; + token.signatures_buf[0] = "$gpg$"; + + // signature $gpg$ + token.len_min[0] = 5; + token.len_max[0] = 5; + token.sep[0] = '*'; + token.attr[0] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_SIGNATURE; + + // "1" -- unknown option + token.len_min[1] = 1; + token.len_max[1] = 1; + token.sep[1] = '*'; + token.attr[1] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // size of the encrypted data in bytes + token.len_min[2] = 3; + token.len_max[2] = 4; + token.sep[2] = '*'; + token.attr[2] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // size of the key: 1024, 2048, 4096, etc. + token.len_min[3] = 3; + token.len_max[3] = 4; + token.sep[3] = '*'; + token.attr[3] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // encrypted key -- twice the amount of byte because its interpreted as characters + token.len_min[4] = 256; + token.len_max[4] = 3072; + token.sep[4] = '*'; + token.attr[4] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_HEX; + + // "3" - String2Key parameter + token.len_min[5] = 1; + token.len_max[5] = 1; + token.sep[5] = '*'; + token.attr[5] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // "254" - String2Key parameters + token.len_min[6] = 3; + token.len_max[6] = 3; + token.sep[6] = '*'; + token.attr[6] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // "2" - String2Key parameters + token.len_min[7] = 1; + token.len_max[7] = 1; + token.sep[7] = '*'; + token.attr[7] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // cipher mode: 7 or 9 + token.len_min[8] = 1; + token.len_max[8] = 1; + token.sep[8] = '*'; + token.attr[8] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // size of initial vector in bytes: 16 + token.len_min[9]= 2; + token.len_max[9]= 2; + token.sep[9] = '*'; + token.attr[9] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // initial vector - twice the amount of bytes because its interpreted as characters + token.len_min[10]= 32; + token.len_max[10]= 32; + token.sep[10] = '*'; + token.attr[10] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_HEX; + + // iteration count + token.len_min[11]= 1; + token.len_max[11]= 8; + token.sep[11] = '*'; + token.attr[11] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_DIGIT; + + // salt - 8 bytes / 16 characters + token.len_min[12]= 16; + token.len_max[12]= 16; + token.attr[12] = TOKEN_ATTR_VERIFY_LENGTH + |TOKEN_ATTR_VERIFY_HEX; + + const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token); + + if (rc_tokenizer != PARSER_OK) return (rc_tokenizer); + + // Modulus size + int enc_data_size = hc_strtoul ((const char *) token.buf[2], NULL, 10); + gpg->modulus_size = hc_strtoul ((const char *) token.buf[3], NULL, 10); + + if ((gpg->modulus_size < 256) || (gpg->modulus_size > 16384)) return (PARSER_UNKNOWN_ERROR); + + // Encrypted data + gpg->encrypted_data_size = exec_unhexify ((u8 *) (token.buf[4] - 5), token.len[4] + 6, (u8 *) gpg->encrypted_data, sizeof(gpg->encrypted_data)); + + if (gpg->encrypted_data_size != enc_data_size) return (PARSER_UNKNOWN_ERROR); + + // Check String2Key parameters + if (hc_strtoul ((const char *) token.buf[5], NULL, 10) != 3) return (PARSER_UNKNOWN_ERROR); + if (hc_strtoul ((const char *) token.buf[6], NULL, 10) != 254) return (PARSER_UNKNOWN_ERROR); + if (hc_strtoul ((const char *) token.buf[7], NULL, 10) != 2) return (PARSER_UNKNOWN_ERROR); + + // Cipher algo + gpg->cipher_algo = hc_strtoul (token.buf[8], NULL, 10); + + if ((gpg->cipher_algo != 7) && (gpg->cipher_algo != 9)) return (PARSER_UNKNOWN_ERROR); + + // IV (size) + if (hc_strtoul ((const char *) token.buf[9], NULL, 10) != sizeof(gpg->iv)) return (PARSER_IV_LENGTH); + + size_t iv_size = exec_unhexify (token.buf[10] - 5, token.len[10] + 6, (u8 *) gpg->iv, sizeof(gpg->iv)); + if (iv_size != sizeof(gpg->iv)) return (PARSER_IV_LENGTH); + + const u32 salt_iter = hc_strtoul ((const char *) token.buf[11], NULL, 10); + if (salt_iter < 8 || salt_iter > 1000000) return (PARSER_SALT_ITERATION); + + salt->salt_iter = salt_iter; + salt->salt_repeats = gpg->cipher_algo == 7 ? 0 : 1; // "minus one", see also the scrypt module! + salt->salt_len = exec_unhexify (token.buf[12] - 5, token.len[12] + 6, (u8 *) salt->salt_buf, sizeof(salt->salt_buf)); + + if (salt->salt_len != 8) return (PARSER_UNKNOWN_ERROR); + + // hash fake + digest[0] = gpg->iv[0]; + digest[1] = gpg->iv[1]; + digest[2] = gpg->iv[2]; + digest[3] = gpg->iv[3]; + + return (PARSER_OK); +} + +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) +{ + const u32 *digest = (const u32 *) digest_buf; + + const gpg_t *gpg = (const gpg_t *) esalt_buf; + + u8 hex_encrypted[(384 * 8) + 1] = { 0 }; + u8 *encrypted_data = (u8 *) gpg->encrypted_data; + + for (u32 i = 0, j = 0; i < gpg->encrypted_data_size; i++, j += 2) + { + u8_to_hex (encrypted_data[i], hex_encrypted + j); + } + + const int line_len = snprintf (line_buf, line_size, "%s*%d*%d*%d*%s*%d*%d*%d*%d*%d*%08x%08x%08x%08x*%d*%08x%08x", + "$gpg$", + 1, /* unknown field */ + gpg->encrypted_data_size, + gpg->modulus_size, + hex_encrypted, + 3, /* version (major?) */ + 254, /* version (minor?) */ + 2, /* key cipher (sha-1) */ + gpg->cipher_algo, + 16, /*iv_size*/ + byte_swap_32 (gpg->iv[0]), + byte_swap_32 (gpg->iv[1]), + byte_swap_32 (gpg->iv[2]), + byte_swap_32 (gpg->iv[3]), + salt->salt_iter, + byte_swap_32 (salt->salt_buf[0]), + byte_swap_32 (salt->salt_buf[1])); + + return line_len; +} + +void module_init (module_ctx_t *module_ctx) +{ + module_ctx->module_context_size = MODULE_CONTEXT_SIZE_CURRENT; + module_ctx->module_interface_version = MODULE_INTERFACE_VERSION_CURRENT; + + module_ctx->module_attack_exec = module_attack_exec; + module_ctx->module_benchmark_esalt = MODULE_DEFAULT; + module_ctx->module_benchmark_hook_salt = MODULE_DEFAULT; + module_ctx->module_benchmark_mask = MODULE_DEFAULT; + module_ctx->module_benchmark_salt = MODULE_DEFAULT; + module_ctx->module_build_plain_postprocess = MODULE_DEFAULT; + module_ctx->module_deep_comp_kernel = module_deep_comp_kernel; + 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_hlfmt_disable; + module_ctx->module_hook_extra_param_size = MODULE_DEFAULT; + module_ctx->module_hook_extra_param_init = MODULE_DEFAULT; + module_ctx->module_hook_extra_param_term = 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_kernel_loops_max; + module_ctx->module_kernel_loops_min = module_kernel_loops_min; + 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_DEFAULT; + 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; +}