APPARATUS FOR COMPUTING STREAMCIPHER TSC-4

• Main Authors: RYU GWON HO, KOO BON SEOK, LEE DONG WOOK, CHANG TAE JOO
• Format: Patent
• Language: English
• Published: 11.06.2009
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION

Provided is an apparatus for computing a T-function based Stream Cipher (TSC)-4 stream cipher. The apparatus includes: two T-function units; and a nonlinear filter for receiving bits output from the two T-function units and generating an 8-bit output sequence per clock. Each of the T-function units...