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High Speed Networking Security: Design and Implementation of Two New DDP-Based Ciphers
2005
Journal on spesial topics in mobile networks and applications
Using Data-Dependent (DD) Permutations (DDP) as main cryptographic primitive two new ciphers are presented: ten-round Cobra-H64, and twelve-round Cobra-H128. The designed ciphers operate efficiently with different plaintext lengths, 64 and 128-bit, for Cobra-H64 and Cobra-H128, respectively. Both of them use very simple key scheduling that defines high performance, especially in the case of frequent key refreshing. A novel feature of Cobra-H64 and Cobra-H128 is the use of the Switchable
doi:10.1023/b:mone.0000048556.51292.31
fatcat:otltzob5tjbi7lfltzyvsgnddi