("avatud PGP")

olemus
algse PGP avalik standardvariant (IETF),
kasutab sertifitseerimiskeskuste asemel usaldusvõrku;
on edasiarendamisel,
üks laiendusi on elliptkrüptograafia tugi (2012)

NIST SP 800-45 v. 2:
a protocol defined in IETF RFCs 2440 and 3156 for encrypting messages and creating certificates using public key cryptography

ülevaateid
https://blog.ipswitch.com/the-difference-between-pgp-openpgp-and-gnupg-encryption

https://en.wikipedia.org/wiki/Pretty_Good_Privacy#OpenPGP

https://riseup.net/en/security/message-security/openpgp/best-practices

standardid
https://tools.ietf.org/html/rfc4880
https://tools.ietf.org/html/rfc3156
https://tools.ietf.org/html/rfc6637

veebisait
https://www.openpgp.org/

turvalisus
https://www.kb.cert.org/vuls/id/122919/

https://community.sophos.com/products/unified-threat-management/f/mail-protection-smtp-pop3-antispam-and-antivirus/103783/s-mime-and-openpgp---risks-and-questions

https://nakedsecurity.sophos.com/2019/07/05/openpgp-experts-targeted-by-long-feared-poisoning-attack/

vt ka
- GnuPG
- PGP