Question

In public key cryptosystem which is kept as public?

(a) Encryption keys

(b) Decryption keys

(c) Encryption & Decryption keys

(d) None of the mentioned

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This interesting question is from Public Key Cryptosystems topic in division Encryption and Decryption of Digital Communications

Answer 1

Right option is (a) Encryption keys

To explain: In public key cryptosystem, the encryption keys are kept as public where as decryption keys are kept as secret.