I. Preliminaries -- 1. The RSA Cryptosystem -- 2. Some Notation, Mathematics and Techniques -- II. Cryptanalysis of RSA -- 3. Some Early Attacks -- 4. Small Public Exponent Attacks -- 5. Small Private Exponent Attacks -- 6. Partial Key Exposure Attacks -- 7. More Small Private Exponent Attacks -- III. Cryptanalysis of Variants of RSA -- 8. Crt-Rsa -- 9. Multi-Prime RSA -- 10. Multi-Power RSA -- 11. Common Prime RSA -- 12. Dual RSA -- A. Distribution of 9 = gcd(p - 1, q - 1) -- B. Geometrically Progressive Matrices -- C. Some Algorithms