X-Git-Url: https://git.distorted.org.uk/~mdw/catacomb/blobdiff_plain/373641eaacc86b56715a2ebf0b603fce25c16051..cf9d9d388289b20c4ff9fabd4fe356288c419bef:/progs/key.1

diff --git a/progs/key.1 b/progs/key.1
index 95eb0ded..0ffd0769 100644
--- a/progs/key.1
+++ b/progs/key.1
@@ -472,6 +472,14 @@ using a passphrase.
 Suppresses the progress indication which is usually generated while
 time-consuming key generation tasks are being performed.
 .TP
+.BI "\-E, \-\-public-exponent"
+Set the public exponent for RSA keys.
+The default is 65537,
+because this seems to be the overwhelmingly popular choice
+among practitioners
+and because it was the exponent used before this option was introduced.
+The value 3 is fine unless you use a completely terrible padding scheme.
+.TP
 .BI "\-L, \-\-lim-lee"
 When generating Diffie\(enHellman parameters, generate a Lim\(enLee
 prime rather than a random (or safe) prime.  See the details on