Block cipher/Catalogs/Cipher table: Difference between revisions
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<td>[[Triple DES]]</td><td>Feistel</td><td>64</td><td>112 or 168 ( | <td>[[Triple DES]]</td><td>Feistel</td><td>64</td><td>112 (2*56) or 168 (3*56)</td><td>48 (3*16)</td><td>8 6*4</td><td>bit permutation</td><td></td><td></td><td>widely used, but slow and only 2<sup>112</sup> strength so being replaced by AES</td> | ||
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Revision as of 08:00, 9 August 2009
| Cipher | Type | Block size | Key size | Rounds | S-boxes | Round function has | Standard in | AES competition | Comment |
|---|---|---|---|---|---|---|---|---|---|
| AES | SP network | 128 | 128,192,256 | 10 to 14 | one 8*8 | US, 2002 onward | winner | extremely widely used | |
| DES | Feistel | 64 | 56 | 16 | 8 6*4 | bit permutation | US, 1976-2002 | obsolete, key too short against brute force | |
| Triple DES | Feistel | 64 | 112 (2*56) or 168 (3*56) | 48 (3*16) | 8 6*4 | bit permutation | widely used, but slow and only 2112 strength so being replaced by AES | ||
| Blowfish | Feistel | 64 | up to 556 | 16 | 4 8*32, key-dependent | widely used | |||
| CAST-128 | Feistel | 64 | 40 to 128 | 16 | 4 8*32, using bent functions | key-dependent rotation | widely used, including PGP | ||
| GOST cipher | Feistel | 64 | 256 | 32 | 8 4*4 | rotation | Soviet Union | ||
| Skipjack | Feistel, unbalanced | 64 | 80 | 32 | designed by NSA for Clipper chip phones | ||||
| IDEA | 64 | 128 | 8 | none | modular multiplication | Europe | |||
| TEA | Feistel | 64 | 128 | 32 | none | only shift, XOR, addition | |||
| SAFER SK-128 | SP network | 64 | 128 | 8 | PHT | Singapore | |||
| SAFER+ | SP network | 128 | 128,192,256 | PHT | candidate | ||||
| LOKI | Feistel | 64 | 64 | 16 | LOKI89 is original version, LOKI91 revised | ||||
| LOKI97 | Feistel | 128 | 128,192,256 | 16 | two SP network rounds | candidate | |||
| Serpent | SP network | 128 | 128,192,256 | 32 | 8 4*4 | finalist | |||
| MARS | Feistel-like | 128 | 128,192,256 | 16 | one 9*32 | data-dependent rotation | finalist | designed at IBM | |
| CAST-256 | Feistel-like | 128 | 128,192,256 | 48 | 4 8*32, using bent functions | key-dependent rotation | candidate | ||
| Twofish | Feistel | 128 | 128,192,256 | 16 | 4 8*8, key-dependent | rotation and PHT | finalist | ||
| RC2 | Feistel | 64 | 18 | often used with 40-bit key, for export | |||||
| RC5 | Feistel | 64 | 128 | data-dependent rotation | |||||
| RC6 | 128 | 128,192,256 | data-dependent rotation | finalist | |||||
| DFC | Feistel | 128 | 128,192,256 | 6 | one 6*32 | candidate | |||
| FROG | variable | variable | 8 | candidate | uses key as program, not just as data | ||||
| E2 | 128 | 128,192,256 | candidate | ||||||
| DEAL | Feistel | 128 | 128,192,256 | 6 or 8 | DES as the round function | candidate | |||
| Camellia | Feistel | 128 | 128,192,256 | 18 or 24 | Japanese | ||||
| SEED | Feistel | 128 | 128 | 16 | 2 8*8 | Korean | |||
| CRYPTON | SP network | 128 | 128,192,256 | candidate | |||||
| MAGENTA | 128 | 128,192,256 | 6 or 8 | candidate | quickly broken | ||||
| Hasty Pudding | variable | variable | candidate | tweakable | |||||
| Threefish | 256,512,1024 | 256,512,1024 | tweakable, used in Skein hash | ||||||
| Whirlpool cipher | SP network | 512 | 512 | 10 | AES-like, used in Whirlpool hash |
"PHT" indicates a pseudo-Hadmard transform.