use https for all IETF URLs

[ach-master.git] / src / practical_settings / GPG.tex

diff --git a/src/practical_settings/GPG.tex b/src/practical_settings/GPG.tex
index 5d3127d..83ba776 100644 (file)
--- a/src/practical_settings/GPG.tex
+++ b/src/practical_settings/GPG.tex
@@ -1,5 +1,5 @@
 The OpenPGP protocol
-\footnote{\url{http://tools.ietf.org/search/rfc4880}}
+\footnote{\url{https://tools.ietf.org/search/rfc4880}}
  uses asymmetric encryption to protect a session key which is used to encrypt a message. Additionally, it signs messages via asymmetric encryption and hash functions. %% what? - azet
 Research on SHA-1 conducted back in 2005\footnote{\url{https://www.schneier.com/blog/archives/2005/02/sha1\_broken.html}} has made clear that collision attacks are a real threat to the security of the SHA-1 hash function. PGP settings should be adapted to avoid using SHA-1.