Pretty good privacy (PGP) security system uses(a) Public key cryptosystem(b) Private key cryptosystem(c) Public & Private key cryptosystem(d) None of the mentionedThis question was addressed to me during an interview.The above asked question is from Pretty Good Privacy in chapter Encryption and Decryption of Digital Communications

Pretty good privacy (PGP) security system uses(a) Public key cryptosys

1.	Pretty good privacy (PGP) security system uses(a) Public key cryptosystem(b) Private key cryptosystem(c) Public & Private key cryptosystem(d) None of the mentionedThis question was addressed to me during an interview.The above asked question is from Pretty Good Privacy in chapter Encryption and Decryption of Digital Communications
Answer» The correct choice is (c) PUBLIC & Private key cryptosystem The explanation: PGP USES many encryption techniques such as private key cryptosystem and ALSO public key cryptosystem.

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