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no need for OPTS_TYPE_HASH_COPY in -m 29600

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philsmd 2022-07-30 11:58:40 +02:00
parent 887acd38d3
commit cccb4fdaf4
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GPG Key ID: 4F25D016D9D6A8AF
2 changed files with 73 additions and 14 deletions
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11
OpenCL/m29600-pure.cl
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@ -30,7 +30,8 @@ typedef struct pbkdf_sha1_tmp
typedef struct terra
{
u32 salt_buf[8];
u32 ct_block_a[4];
u32 ct[16]; // 16 * 4 = 64 bytes (we have extra 16 bytes in digest: 64 + 16 = 80)
u32 iv[4];
} terra_t;
#define FIXED_SALT_SIZE 16
@ -298,10 +299,10 @@ KERNEL_FQ void m29600_comp (KERN_ATTR_TMPS_ESALT (pbkdf_sha1_tmp_t,terra_t))
u32 ks[60];
u32 d[4];
d[0] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_block_a[0];
d[1] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_block_a[1];
d[2] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_block_a[2];
d[3] = esalt_bufs[DIGESTS_OFFSET_HOST].ct_block_a[3];
d[0] = esalt_bufs[DIGESTS_OFFSET_HOST].ct[0];
d[1] = esalt_bufs[DIGESTS_OFFSET_HOST].ct[1];
d[2] = esalt_bufs[DIGESTS_OFFSET_HOST].ct[2];
d[3] = esalt_bufs[DIGESTS_OFFSET_HOST].ct[3];
u32 CT[4] = { 0 };
AES256_set_encrypt_key (ks, ukey, s_te0, s_te1, s_te2, s_te3);
AES256_encrypt(ks, d, CT, s_te0, s_te1, s_te2, s_te3, s_te4);

76
src/modules/module_29600.c
View File

@ -24,7 +24,6 @@ static const char *HASH_NAME = "terra";
static const u64 KERN_TYPE = 29600;
static const u32 OPTI_TYPE = OPTI_TYPE_ZERO_BYTE;
static const u64 OPTS_TYPE = OPTS_TYPE_STOCK_MODULE
| OPTS_TYPE_HASH_COPY
| OPTS_TYPE_PT_GENERATE_BE;
static const u32 SALT_TYPE = SALT_TYPE_EMBEDDED;
static const char *ST_PASS = "hashcathas";
@ -60,7 +59,8 @@ typedef struct pbkdf_sha1_tmp
typedef struct terra
{
u32 salt_buf[8];
u32 ct_block_a[4];
u32 ct[16]; // 16 * 4 = 64 bytes (we have extra 16 bytes in digest: 64 + 16 = 80)
u32 iv[4];
} terra_t;
@ -122,7 +122,8 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
const u8 *salt_pos = token.buf[0];
const int salt_len = token.len[0];
// iv unused
const u8 *iv_pos = token.buf[1];
const int iv_len = token.len[1];
const u8 *hash_pos = token.buf[2];
const int hash_len = token.len[2];
@ -143,6 +144,13 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
terra->salt_buf[2] = hex_to_u32 (salt_pos + 16);
terra->salt_buf[3] = hex_to_u32 (salt_pos + 24);
// store IV
if (iv_len != 32) return (PARSER_SALT_LENGTH);
terra->iv[0] = hex_to_u32 (iv_pos + 0);
terra->iv[1] = hex_to_u32 (iv_pos + 8);
terra->iv[2] = hex_to_u32 (iv_pos + 16);
terra->iv[3] = hex_to_u32 (iv_pos + 24);
// Base64 decode the ciphertext
u8 tmp_buf[512];
int tmp_len;
@ -152,13 +160,18 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
if (tmp_len != 0x50) return (PARSER_HASH_LENGTH);
u32* whole_digest = (u32*)tmp_buf;
u32* whole_digest = (u32*) tmp_buf;
// Penultimate block, i.e. IV, xored with a whole padding block
terra->ct_block_a[0] = byte_swap_32(whole_digest[0xc] ^ 0x10101010);
terra->ct_block_a[1] = byte_swap_32(whole_digest[0xd] ^ 0x10101010);
terra->ct_block_a[2] = byte_swap_32(whole_digest[0xe] ^ 0x10101010);
terra->ct_block_a[3] = byte_swap_32(whole_digest[0xf] ^ 0x10101010);
terra->ct[0] = byte_swap_32(whole_digest[0xc] ^ 0x10101010);
terra->ct[1] = byte_swap_32(whole_digest[0xd] ^ 0x10101010);
terra->ct[2] = byte_swap_32(whole_digest[0xe] ^ 0x10101010);
terra->ct[3] = byte_swap_32(whole_digest[0xf] ^ 0x10101010);
for (int i = 4; i < 16; i++)
{
terra->ct[i] = whole_digest[i - 4];
}
// Last block
digest[0] = byte_swap_32 (whole_digest[0x10]);
@ -171,7 +184,52 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
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 int line_len = snprintf (line_buf, line_size, "%s", hash_info->orighash);
terra_t *terra = (terra_t *) esalt_buf;
u32 *digest = (u32 *) digest_buf;
// salt:
char salt_hex[32 + 1] = { 0 };
hex_encode ((u8 *) terra->salt_buf, 16, (u8 *) salt_hex); // or use: generic_salt_encode ()
salt_hex[32] = 0;
// iv:
char iv_hex[32 + 1] = { 0 };
hex_encode ((u8 *) terra->iv, 16, (u8 *) iv_hex);
iv_hex[32] = 0;
// data:
u32 data[16 + 4] = { 0 }; // total: 80 bytes
for (int i = 4; i < 16; i++)
{
data[i - 4] = terra->ct[i];
}
data[0xc] = byte_swap_32 (terra->ct[0] ^ 0x10101010);
data[0xd] = byte_swap_32 (terra->ct[1] ^ 0x10101010);
data[0xe] = byte_swap_32 (terra->ct[2] ^ 0x10101010);
data[0xf] = byte_swap_32 (terra->ct[3] ^ 0x10101010);
data[ 16] = byte_swap_32 (digest[0]);
data[ 17] = byte_swap_32 (digest[1]);
data[ 18] = byte_swap_32 (digest[2]);
data[ 19] = byte_swap_32 (digest[3]);
char data_b64[108 + 1] = { 0 };
base64_encode (int_to_base64, (u8 *) data, 80, (u8 *) data_b64);
data_b64[108] = 0;
const int line_len = snprintf (line_buf, line_size, "%s%s%s", salt_hex, iv_hex, data_b64);
return line_len;
}