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In the RSA cryptosystem, Alices public key (N, e) is available to everyone. Suppose that
Chapter 1, Problem 1.43(choose chapter or problem)
In the RSA cryptosystem, Alices public key (N, e) is available to everyone. Suppose that herprivate key d is compromised and becomes known to Eve. Show that if e = 3 (a common choice)then Eve can efficiently factor N.
Questions & Answers
QUESTION:
In the RSA cryptosystem, Alices public key (N, e) is available to everyone. Suppose that herprivate key d is compromised and becomes known to Eve. Show that if e = 3 (a common choice)then Eve can efficiently factor N.
ANSWER:Step 1 of 2
Cryptography is changing the plain text to ciphertext for security reasons. Encryption is converting plain text to cipher text and decryption is converting cipher text back to plain text. The keys are used for this purpose. If the algorithm uses two keys that is public key and private key then the algorithm is asymmetric algorithm. RSA is an example of asymmetric algorithm used to encrypt the data.