Path of key: *. Pkr is the public key, and *. Skr is the private key.

2. To get someone else's public key, you can use "Search" in PGP software to find it from "keyserver.pgp.com" server. Or let the other party send you a public key. PGP is usually used to send e-mail, and has been supported by Out Look or third-party mail clients. When sending an email, PGP will detect that there is a conversation (the encryption mode can be set in PGP software: all emails, designated domain names or recipients, etc. ), he will automatically query the local public key and send it encrypted. If you just send a file, you can use the "new PGP compressed package" in PGP software to encrypt it, set a separate password or encrypt it with the other party's public key.

The left side of 3.3. PGP software interface: The public key is generally in "All Keys" and the personal private key is in "My Private Key". All Keys contains other people's public keys, including your own. If you want to give the public key to someone else, right-click the public key-> Exit. "Yes (it's a *. Asc file). There is a PGP keychain attribute in the menu "key". You will see where the public and private keys are stored.

4.PGP will automatically encrypt and decrypt email when it is set. When sending the file, encrypt it in the "new PGP compressed package", which is the last sentence of point 2. The private key will not be in other people's hands, only in their own hands. Unless you send it to the other party, encrypt the file with the other party's public key, and then the other party decrypts the encrypted file with its own public key, the other party sends it to you encrypted with your public key.

5.PGP generates a pair of public key and private key and two files, as shown in point 1. After the email is encrypted, the software will automatically help you encrypt it with the other party's public key. Generally don't worry. When encrypting a file, pay attention to whose public key it is sent because it is unique.

Q:

Selected option in 1 The key is gray, not green. Is it affected? If so, how to correct it?

A: Sending an email will definitely have an impact. The gray PGP software will not be enabled. Sending an email will prompt that the public key cannot be found. Manual signature is required. Right-click the gray public key "sign" to sign. This situation is generally because the other party has not verified it after uploading it on PGP server or there is a bug in PGP software.

2. The public key sent to the server is linked to the mailbox, so you can directly attack the mailbox, re-create the public key, and send it to the server to replace the original public key, so you can impersonate the original public key and decrypt it with a new private key. It's not safe.

A: The private key only corresponds to a public key, which means it is unique. Don't forget, the private key is only in your own hand.