Efficient block cipher method

Details Efficient block cipher method Efficient block cipher method

H - Electricity

04

L

H04L 9/14 (2006.01) H04L 9/06 (2006.01) H04L 9/28 (2006.01)

Patent

CA 2282051

The present invention solves the aforementioned inefficiencies by providing an encryption or cipher method that uses the same pseudorandom function twice rather than different pseudorandom functions. Additionally, the present invention uses hashing functions that are highly efficient. The hashing functions of the present invention are square hashing functions that square a sum of a key and a data string rather than using a multiplication. As a result the hashing operation only requires Image operations rather than the w2 operations required by the inefficient hashing functions used in the prior art.. Additionally, the present invention replaces the exclusive ORed operations of the prior art with modular "n" summing operations.

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