What are the five principal services provided by PGP?

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Tags

1. #compression
2. #stored
3. #message
4. #authentication
5. #signs
6. #operation
7. #services
8. #consists
9. #lists
10. #compatibility
11. #separately
12. #detached
13. #provided
14. #signature
15. #confidentiality
16. #actual
17. #principle
18. #transmitted