'64 bit output' presentation slideshows

CH.4-1: DATA ENCRYPTION STANDARD Symmetric - Secret Key Algorithm developed by IBM in 1971.

CH.4-1: DATA ENCRYPTION STANDARD Symmetric - Secret Key Algorithm developed by IBM in 1971. Adopted with changes (e.g., key reduced in size) as the official U.S. Government standard - widely used by feds and banks. Block cipher (64 bit blocks), 56 bit key, generates 64 bit output

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