copyright: Add doc/OpenPGP section

1 files changed, 27 insertions, 0 deletions

diff --git a/copyright b/copyright
index 58bb9ff..7cea478 100644
--- a/copyright
+++ b/copyright
@@ -454,6 +454,33 @@ Portions
 Copyright (c) 1996 Regents of the University of Michigan.
 All rights reserved.
 
+doc/OpenPGP
+-----------
+
+Parts of this document are taken from:
+
+OpenPGP Message Format
+draft-ietf-openpgp-formats-07.txt
+
+Copyright 1998 by The Internet Society. All Rights Reserved.
+
+This document and translations of it may be copied and furnished to
+others, and derivative works that comment on or otherwise explain it
+or assist in its implementation may be prepared, copied, published
+and distributed, in whole or in part, without restriction of any
+kind, provided that the above copyright notice and this paragraph
+are included on all such copies and derivative works.  However, this
+document itself may not be modified in any way, such as by removing
+the copyright notice or references to the Internet Society or other
+Internet organizations, except as needed for the purpose of
+developing Internet standards in which case the procedures for
+copyrights defined in the Internet Standards process must be
+followed, or as required to translate it into languages other than
+English.
+
+The limited permissions granted above are perpetual and will not be
+revoked by the Internet Society or its successors or assigns.
+
 
 Distribution Packaging
 ======================