summaryrefslogtreecommitdiffstats
path: root/doc/man1/ca.pod
diff options
context:
space:
mode:
Diffstat (limited to 'doc/man1/ca.pod')
-rw-r--r--doc/man1/ca.pod9
1 files changed, 5 insertions, 4 deletions
diff --git a/doc/man1/ca.pod b/doc/man1/ca.pod
index ebd8a4386a..9b282e6479 100644
--- a/doc/man1/ca.pod
+++ b/doc/man1/ca.pod
@@ -184,9 +184,9 @@ The number of days to certify the certificate for.
=item B<-md alg>
The message digest to use.
-Any digest supported by the OpenSSL B<dgst> command can be used. If the signing
-key is using Ed25519 or Ed448 then you should specify "null" for the digest.
-This option also applies to CRLs.
+Any digest supported by the OpenSSL B<dgst> command can be used. For signing
+algorithms that do not support a digest (i.e. Ed25519 and Ed448) any message
+digest that is set is ignored. This option also applies to CRLs.
=item B<-policy arg>
@@ -453,7 +453,8 @@ least one of these must be present to generate a CRL.
=item B<default_md>
-The same as the B<-md> option. Mandatory.
+The same as the B<-md> option. Mandatory except where the signing algorithm does
+not require a digest (i.e. Ed25519 and Ed448).
=item B<database>