How does PGP encryption and decryption work?

Related questions

1. What is the key size allowed in PGP?
2. Can you use PGP with Gmail?
3. Is 2048 bit encryption safe?
4. Is PGP still secure?
5. What is a public key server?
6. What is a PGP server?

Tags

1. #public
2. #recipient
3. #session
4. #which
5. #recover
6. #conventional
7. #convenience
8. #encryption
9. #conventionally
10. #decrypt
11. #ciphertext
12. #combination
13. #combines
14. #encrypted
15. #temporary
16. #methods
17. #speed
18. #private