X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/25f673625c9f2d3a323fed185f4b0c4b4a241976..d56fd9d102115283485493dbe56b0d320ac99097:/progs/catsign.1

diff --git a/progs/catsign.1 b/progs/catsign.1
index 7435dbf2..d4add88e 100644
--- a/progs/catsign.1
+++ b/progs/catsign.1
@@ -246,6 +246,22 @@ command (see
 .BR key (1))
 to generate the key.
 .TP
+.B ed25519
+This is Bernstein, Duif, Lange, Schwabe, and Yang's Ed25519 algorithm.
+More specifically, this is HashEd25519
+using the selected
+.B hash
+algorithm \(en by default
+.BR sha512 .
+Use the
+.B ed25519
+algorithm of the
+.B key add
+command
+(see
+.BR key (1))
+to generate the key.
+.TP
 .B mac
 This uses a symmetric message-authentication algorithm rather than a
 digital signature.  The precise message-authentication scheme used is