Latest Gate Aptitude Question SOLUTION: Using public key cryptography, X adds a digital signature s to message M, encrypts , and sends it to Y, where it is decrypted. Which one of the following sequences of keys is used

• Placement Papers
• /
• Gate

Gate Question Papers:

(#M40029622) GATE question GATE - CS Keep an EYE

Using public key cryptography, X adds a digital signature s to message M, encrypts , and sends it to Y, where it is decrypted. Which one of the following sequences of keys is used for the operations?
(A) Encryption: X's private key followed by Y's private key; Decryption: X's public
key followed by Y's public key
(B) Encryption: X's private key followed by Y's public key; Decryption: X's public
key followed by Y's private key
(C) Encryption: X's public key followed by Y's private key; Decryption: Y's public
key followed by X's private key
(D) Encryption: X's private key followed by Y's public key; Decryption: Y's private
key followed by X's public key

Asked In Gate Rats (10 years ago)

Unsolved

Is this Puzzle helpful?   (0)   (0) Submit Your Solution