| name | image | structure | parent | Block sizes | date First publication | Key sizes | Rounds | Website |
|---|---|---|---|---|---|---|---|---|
| Camellia (cipher) |  | Feistel Network | E2 (cipher) | 128 bits | 2000 | 128, 192 or 256 bits | 24 | website |
| CAST-256 | Feistel Network | CAST-128 | 128 bits | 1998 | 128, 160, 192, 224, or 256 bits | 48 | website | |
| Cryptomeria cipher |  | Feistel Network | Data Encryption Standard | 64 bits | 2003 | 56 bits | 10 | website |
| DEAL |  | Feistel Network | Data Encryption Standard | 128 bits | 1998 | 128, 192 or 256 bits | 6 | website |
| DES-X | Feistel Network | Data Encryption Standard | 64 bit | 1984 | 184 bit | 16 | website |