A 155 Mbps Triple-DES network encryptor

Abstract

The presented Triple-DES encryptor is a single-chip solution to encrypt network communication. It is optimized for throughput and fast switching between virtual connections like found in ATM networks. A broad range of optimization techniques were applied to reach encryption rates above 155 Mbps even for Triple-DES encryption in outer CBC mode. A high-speed logic style and full-custom design methodology made first-time working silicon on a standard 0.6 μm CMOS process possible. Correct functionality of the prototype was verified up to a clock rate of 275 MHz. © Springer-Verlag Berlin Heidelberg 2000.