Sources
open directory project
Help build the largest human-edited directory on the web.
Submit a site - Become an editor
Wikipedia. Licensed under the GNU Free Documentation License.
Are you an expert in this subject? Join the discussion and share your knowledge at Wikipedia.org.
MULTI2
From Wikipedia, the free encyclopedia
| Designer(s): | Hitachi |
|---|---|
| First published: | 1988 |
| Key size(s): | 64 bits |
| Block size(s): | 64 bits |
| Structure: | Feistel network |
| Rounds: | Variable |
MULTI2 is a block cipher, developed by Hitachi in 1988. Designed for general-purpose cryptography, its current use is encryption of high-definition television broadcasts in Japan.
Contents |
MULTI2 is a symmetric key algorithm with variable number of rounds. It has a block size of 64 bits, and a key size of 64 bits. A 256-bit implementation-dependent substitution box constant is used during key schedule. Scramble and descramble is done by repeating four basic functions (involutions).
- 1988 MULTI2 patent applied by Hitachi, Ltd on April 28
- 1989 Algorithm announced to DPS-SIG Information Processing Society of Japan
- 1994 Algorithm registered with ISO/IEC 9979 and assigned registration number 9
- 1995 MULTI2 adopted as standard cipher for CS-Digital broadcasting in Japan
- 1998 Patent number 2760799 granted for MULTI2 algorithm
 |
This cryptography-related article is a stub. You can help Wikipedia by expanding it. |