How to Set up PGP Encryption in ProtonMail – Guide
“Pretty Good Privacy is an encryption program that provides cryptographic privacy and authentication for data communications. PGP is used to sign, encrypt and decrypt text, emails, files, directories and entire hard disk partitions and to increase the security of email communication”, Wikipedia. It basically works on Linux, macOS and Windows. The PGP system of work is almost entirely based on keys. It uses public and private keys. You need to know the public key of the person you want to send an encrypted message to. Your message would be signed by them using their public key to decrypt using their private key. You must not share or share your private key with anyone. Because of end-to-end encryption, no one can intercept your message. The PGP system of work is almost entirely based on keys. It uses public and private keys. You need to know the public key of the person you want to send an encrypted message to. Your message would be signed by them using their public key to decrypt using their private key. You must not share or share your private key with anyone. Because of end-to-end encryption, no one can intercept your message. PGP algorithms work by generating an encrypted session key. When using PGP to send an email, you need the recipient’s public key.
attach public key
Sharing the public key
Final note
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