Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Computer Networks Network Security Cryptography
Which of the following is true for symmetric key cryptography?
S1: Symmetric key cryptography algorithms require large number of unique keys.
S2: Distribution of keys among the users in a secured manner is difficult.
S3: The sender uses the public key of the receiver for encryption and the receiver uses his private key for decryption.
1
S1, S2, S3
2
S1, S2
3
S1, S3
4
S2, S3