| 127,7 → 127,7 |
|---|
| 00h: Uncompressed file - Default in (De)Coder 4.0 |
| 01h: Folder compressed with ZIP - Default in (De)Coder 4.0 |
| 01h Byte 1 Version flag; Hardcoded value: 01h. |
| 02h String var Original file name |
| 02h String var Original file name, ANSI encoded |
| Byte 1 Terminus Value: 1Fh ("?") |
| Binary 16 Seed (Random data. Default size: 16 bytes = 0x10 |
| Binary var DEC 5.1c encrypted data (read until file end minus the size of the checksum) |
| 156,7 → 156,7 |
|---|
| 02h: ZLib-compressed file - Default in (De)Coder 4.1 |
| 03h: ZLib-compressed folder, packed ZIP - Default in (De)Coder 4.1 |
| 01h Byte 1 Version flag; Hardcoded value: 02h |
| 02h Binary var Original file name in BASE64 (binary) |
| 02h Binary var Original file name, ANSI encoded, in BASE64 (binary) |
| Byte 1 Terminus Value: 1Fh ("?") |
| Long 4 DEC 5.1c Idendity-Base; Default 0x84671842 |
| Long 4 DEC 5.1c Cipher idendity. If the default identitiy base 0x84671842 is used, then the identities are: |
| 354,7 → 354,7 |
|---|
| [5.0] DC4 STANDARD 4 USED BY (DE)CODER 5.0 |
| ========================================== |
| |
| This file format was intended to be used by (De)Coder 5.0. The file-name extension is still dc4, though. |
| This file format was intended to be used by (De)Coder 5.0. The file-name extension can be dc4 or dc5. |
| |
| --------------------------------------------------------------------------------------------------- |
| Offset Type Size Content/Description |
| 372,7 → 372,7 |
|---|
| 02h Binary 27 Magic Sequence; Hardcoded value: "1.3.6.1.4.1.37476.2.2.1.4" |
| This is the OID { iso(1) identified-organization(3) dod(6) internet(1) private(4) enterprise(1) 37476 products(2) decoder(2) fileformat(1) dc4(4) } |
| 1Bh Byte 1 Size of the encrypted filename that follows |
| 1Ch Binary var Original file name; possible values: |
| 1Ch Binary var Original file name, UTF-8 Encoded; possible values: |
| - Original name in its entirety (foobar.txt) |
| - Just its extension (*.txt) |
| - Redacted (empty string) |
| 476,7 → 476,7 |
|---|
| 0x03 KDF3 |
| Byte 1 HMAC Key Size (default: 32 = 0x20) |
| Binary var HMAC Key (Random data) |
| Byte 1 IV Size (default: 32 = 0x20) |
| Byte 1 IV Size (default: 16 = 0x10) |
| Binary var IV (Random Data) |
| Byte 1 Filler byte of last block (default: 0xFF) |
| Byte 1 Size of seed (default 32 = 0x20) |