Liu Huiji
Abstract
As a branch of modern cryptology, sequence cipher technology developed rapidly in recent years. Thispaper applies NP problem to sequence cipher and runs performance analysis for the cipher, and sequence cipher basedon NP problem is proved to be an ideal cipher with extreme secrecy.
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As a branch of modern cryptology, sequence cipher technology developed rapidly in recent years. Thispaper applies NP problem to sequence cipher and runs performance analysis for the cipher, and sequence cipher basedon NP problem is proved to be an ideal cipher with extreme secrecy.
Key concepts: Cipher, Running key cipher, Affine cipher, Stream cipher, Transposition cipher, Two-square cipher, Computer science, Stream cipher attack