"Mollin has written a very nice book. He presents a vast overview of cryptography, its history, and modern uses, which makes for interesting reading." – In Siam Review, 2008, Vol. 50, No. 2Praise for the First Edition:"…Mollin has written a readable text on a subject that can be challenging. It deserves your attention."- The Cryptogram"This is a great book! It can be used in many ways: for a university course at one extreme, and as selective light reading for pleasure at the other. The author's enthusiasm carries the reader along clearly and easily, spilling over to scores of fascinating, beautifully written footnotes, which include more than fifty mini-biographies. … excellent and highly recommended."-Short Book Reviews, Vol. 21, No. 2, August 2001"I want to congratulate you on An Introduction to Cryptography. This is a fine addition to the field. Upon my recommendation, my personal firm has purchased several copies, it's so great. … Your explanation in the section of 'Coin Flipping via Exponentiation' was brilliantly orchestrated."-Owen Henry Cupp, Southern Sovereign Institute, Georgia, USA"In this very nice book, the author introduces at an undergraduate level the following topics: Origins, computer arithmetic, and complexity … . This book pays a lot of attention to the history of this research field, which makes the reading very enjoyable…"-Zentralblatt fur Mathematik

• Mathematical Basics. Cryptographic Basics. DES and AES. Public-Key Cryptosystems. Primality Testing. Factoring. Electronic Mail and Internet Security. Leading-Edge Applications. Appendices.

"Mollin has written a very nice book. He presents a vast overview of cryptography, its history, and modern uses, which makes for interesting reading." – In Siam Review, 2008, Vol. 50, No. 2Praise for the First Edition:"…Mollin has written a readable text on a subject that can be challenging. It deserves your attention."- The Cryptogram"This is a great book! It can be used in many ways: for a university course at one extreme, and as selective light reading for pleasure at the other. The author's enthusiasm carries the reader along clearly and easily, spilling over to scores of fascinating, beautifully written footnotes, which include more than fifty mini-biographies. … excellent and highly recommended."-Short Book Reviews, Vol. 21, No. 2, August 2001"I want to congratulate you on An Introduction to Cryptography. This is a fine addition to the field. Upon my recommendation, my personal firm has purchased several copies, it's so great. … Your explanation in the section of 'Coin Flipping via Exponentiation' was brilliantly orchestrated."-Owen Henry Cupp, Southern Sovereign Institute, Georgia, USA"In this very nice book, the author introduces at an undergraduate level the following topics: Origins, computer arithmetic, and complexity … . This book pays a lot of attention to the history of this research field, which makes the reading very enjoyable…"-Zentralblatt fur Mathematik

• Mathematical Basics. Cryptographic Basics. DES and AES. Public-Key Cryptosystems. Primality Testing. Factoring. Electronic Mail and Internet Security. Leading-Edge Applications. Appendices.

"Mollin has written a very nice book. He presents a vast overview of cryptography, its history, and modern uses, which makes for interesting reading." – In Siam Review, 2008, Vol. 50, No. 2Praise for the First Edition:"…Mollin has written a readable text on a subject that can be challenging. It deserves your attention."- The Cryptogram"This is a great book! It can be used in many ways: for a university course at one extreme, and as selective light reading for pleasure at the other. The author's enthusiasm carries the reader along clearly and easily, spilling over to scores of fascinating, beautifully written footnotes, which include more than fifty mini-biographies. … excellent and highly recommended."-Short Book Reviews, Vol. 21, No. 2, August 2001"I want to congratulate you on An Introduction to Cryptography. This is a fine addition to the field. Upon my recommendation, my personal firm has purchased several copies, it's so great. … Your explanation in the section of 'Coin Flipping via Exponentiation' was brilliantly orchestrated."-Owen Henry Cupp, Southern Sovereign Institute, Georgia, USA"In this very nice book, the author introduces at an undergraduate level the following topics: Origins, computer arithmetic, and complexity … . This book pays a lot of attention to the history of this research field, which makes the reading very enjoyable…"-Zentralblatt fur Mathematik

• Mathematical Basics. Cryptographic Basics. DES and AES. Public-Key Cryptosystems. Primality Testing. Factoring. Electronic Mail and Internet Security. Leading-Edge Applications. Appendices.