## Cryptography: A PrimerCrypTography: a Primer Alan G. Konheim Here’s the first systematic, unclassified treatment of the theory and practice of encipherment—an essential tool for protecting the contents of computer data. Cryptography: a Primer develops the principles of encryption and reviews many of the classical systems. This helpful book shows you how to apply these systems to your individual data processing requirements. A uniquely practical reference and a step-by-step approach for the student. |

### What people are saying - Write a review

#### LibraryThing Review

User Review - antao - LibraryThing(Original Review, 1981) In the late 60's, IBM started a research project on ciphers that has produced a lot of good literature and several important cryptosystems. The effort concentrated on a family ... Read full review

### Contents

CHAPTER | 3 |

SECRECY SYSTEMS | 11 |

MONALPHABETIC SUBSTITUTION | 64 |

Copyright | |

26 other sections not shown

### Common terms and phrases

algorithm alphabet appear applications assume bits block called CHAPTER cipher ciphertext CODE column communications conditional consists contains corresponding Count cryptanalysis cryptographic cryptographic system decipherment defined Definition denote depends determine effect element enciphered encipherment entry equal Equation equivalent event example exists expectation Figure frequency function given host identically implies independent initial integer length letters limit mapping means method modulo n-gram obtain occurrence operations opponent Ost<m pairs period permutation plaintext possible prime probability distribution problem processing programs Proof protection random variables record recover relationship replacing RETURN rotor sample satisfies selected sequence solution space Step substitution Table terminal Theorem transaction transformation User values vector Vigenère yields