"Pretty Good Privacy (PGP) is an encryption program that provides cryptographic privacy and authentication for data communication, primarily used for securing email communications and files."
"Modern systems use encryption algorithms like AES and DES to transform data into an unreadable format, ensuring that only those with the correct key can decrypt and read the original message."
"In traditional encryption scenarios, users need to share keys securely to communicate privately, but the challenge arises in online communication, where personal key exchange isn't feasible."
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