Cited in: RFC 1991
2 RFCs mentioned in the text of RFC 1991 (PGP Message Exchange Formats)
| RFC | Title | Status | Date |
|---|---|---|---|
| 822 | STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES | Internet Standard | August 1982 |
| 1423 | Privacy Enhancement for Internet Electronic Mail: Part III: Algorithms, Modes, and Identifiers | Historic | February 1993 |