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प्रश्न
Write a note on PGP.
उत्तर
Pretty Good Privacy (PGP): Phil Zimmermann developed PGP in 1991. It is a decentralized encryption program that provides cryptographic privacy and authentication for data communication. PGP encryption uses a serial combination of hashing, data compression, symmetric-key cryptography, and asymmetric-key cryptography and works on the concept of “web of trust”.
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