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In mathematics, especially in the field of algebra, a polynomial ring or polynomial algebra is a ring (which is also a commutative algebra) formed from...

In mathematics, especially in the group theoretic area of algebra, the projective linear group (also known as the projective general linear group or PGL)...

Stream ciphers, where plaintext bits are combined with a cipher bit stream by an exclusive-or operation (xor), can be very secure if used properly[citation...

In statistics, signal processing, and time series analysis, a sinusoidal model is used to approximate a sequence Yi to a sine function: Y i = C + α sin...

The vast majority of the National Security Agency's work on encryption is classified, but from time to time NSA participates in standards processes or...

In mathematics, in the area of algebra known as group theory, an imperfect group is a group with no nontrivial perfect quotients. Some of their basic properties...

The Cryptographic Modernization Program is a Department of Defense directed, NSA Information Assurance Directorate led effort to transform and modernize...