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Code Issues Releases Wiki Activity

Fix some format in -m 29600

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This commit is contained in:
jsteube 2022-08-06 19:56:11 +00:00
parent 126830c378
commit 51b1744805
1 changed files with 26 additions and 23 deletions
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49
src/modules/module_29600.c
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@ -43,7 +43,7 @@ u32 module_salt_type (MAYBE_UNUSED const hashconfig_t *hashconfig,
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; }
static const u32 ROUNDS_PBKDF_SHA_TERRA = 100;
static const u32 ROUNDS_PBKDF_SHA_TERRA = 100;
typedef struct pbkdf_sha1_tmp
{
@ -60,6 +60,7 @@ typedef struct terra
u32 salt_buf[8];
u32 ct[16]; // 16 * 4 = 64 bytes (we have extra 16 bytes in digest: 64 + 16 = 80)
u32 iv[4];
} terra_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)
@ -110,57 +111,59 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
token.token_cnt = 3;
// salt
token.len[0] = 32;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len[0] = 32;
token.attr[0] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// iv
token.len[1] = 32;
token.attr[1] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
token.len[1] = 32;
token.attr[1] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_HEX;
// ciphertext
token.len[2] = 108;
token.attr[2] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_BASE64A;
token.len[2] = 108;
token.attr[2] = TOKEN_ATTR_FIXED_LENGTH
| TOKEN_ATTR_VERIFY_BASE64A;
const int rc_tokenizer = input_tokenizer ((const u8 *) line_buf, line_len, &token);
if (rc_tokenizer != PARSER_OK) return (rc_tokenizer);
// salt
const u8 *salt_pos = token.buf[0];
const int salt_len = token.len[0];
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];
// Populating salt buf even though it's unused - we use esalt below
const bool parse_rc = generic_salt_decode (hashconfig, salt_pos, salt_len, (u8 *) salt->salt_buf, (int *) &salt->salt_len);
if (parse_rc == false) return (PARSER_SALT_LENGTH);
// Set the loop rounds - 1 round is done in the init function
salt->salt_iter = ROUNDS_PBKDF_SHA_TERRA - 1;
// Unhex the salt into the esalt buffer
if (salt_len != 32) return (PARSER_HASH_LENGTH);
terra->salt_buf[0] = hex_to_u32 (salt_pos + 0);
terra->salt_buf[1] = hex_to_u32 (salt_pos + 8);
terra->salt_buf[2] = hex_to_u32 (salt_pos + 16);
terra->salt_buf[3] = hex_to_u32 (salt_pos + 24);
// store IV
const u8 *iv_pos = token.buf[1];
const int iv_len = token.len[1];
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
const u8 *hash_pos = token.buf[2];
const int hash_len = token.len[2];
u8 tmp_buf[512];
int tmp_len;
@ -168,13 +171,13 @@ 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[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);
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++)
{
@ -238,7 +241,7 @@ int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
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;
}