TY - BOOK AU - Coutinho, S. C. , TI - Mathematics of ciphers : number theory and RSA cryptography SN - 9788173714429 U1 - 512.721 COU PY - 1999/// CY - New Delhi PB - Universities Press N1 - "What do prime numbers, multiplication, and factoring have in common? They are all part of The Mathematics of Ciphers, code-building at its best."--BOOK JACKET. "Revised and updated since its publication in Portuguese in 1997, this book is an introduction to the algorithmic aspects of number theory and its applications to cryptography. Accompanied by historical anecdotes, the familiar topics of number theory are defined and explored. The author takes the reader on a leisurely journey through this fascinating field, culminating in a visit to the RSA cryptosystem."--BOOK JACKET. ER -