An introduction to number theory with cryptography - Kraft, James S.; Washington, Lawrence C. (Boca Raton : CRC Press, Taylor & Francis Group, 2014)
Divisibility -- Unique factorization -- Applications of unique factorization -- Congruences -- Cryptographic applications -- Polynomial congruences -- Order and primitive roots -- More cryptographic applications -- Quadratic reciprocity -- Primality and factorization -- Geometry of numbers -- Arithmetic functions -- Continued fractions -- Gaussian integers -- Algebraic integers -- Analytic methods -- Epilogue : Fermat's last theorem.
"A Chapman & Hall book."
Includes bibliographical references and index.
Keywords: Number theory; Cryptography