Download PGP desktop, which can be opened after installation.
PGP(Pretty Good Privacy) is a mail encryption software based on RSA public key encryption system. It can be used to keep the mail secret to prevent unauthorized people from reading it, and it can also digitally sign the mail so that the recipient can confirm the sender of the mail and ensure that the mail has not been tampered with. It can provide a secure communication mode and does not need any secret channel to deliver the key in advance. It uses the mixed algorithm of RSA and traditional encryption, e-mail digest algorithm for digital signature, compression before encryption and so on. , and has a good ergonomic design. It is powerful and fast.
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