Many Symmetric Block Encryption Algorithms Including DES Have a Structure

question 28

Short Answer

Many symmetric block encryption algorithms including DES have a structure first described by _________ of IBM in 1973.

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Definitions:

Receptor Protein

Protein located in the plasma membrane or within the cell; binds to a substance that alters some metabolic aspect of the cell.

Latent

Present but not visible, apparent, or actualized; existing as potential.

Retrovirus

RNA virus, containing the enzyme reverse transcriptase, that carries out RNA/DNA transcription.

Budding

A form of asexual reproduction in which a new organism develops from an outgrowth of a parent, common among yeast and some invertebrates.