NUMBER THEORY Chapter 5: Cryptology. Era of Electronic Electronic communication Electronic Banking.
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NUMBER THEORY Chapter 5: Cryptology
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Transcript of NUMBER THEORY Chapter 5: Cryptology. Era of Electronic Electronic communication Electronic Banking.
Terminology
• Cryptology: Discipline • Cryptography: Design & Implementation• Cryptoanalysis: Breaking the system
Terminology
• Plaintext: secret message • Cipher: method to alter the plaintext• Cybertext: message has been altered
Factorizing prime?
• n=pq• What is the factor of following number?•
1522605027922533360535618378132637429718068114961380688657908494580122963258952897654000350692006139