=head1 NAME
-dgst, md5, md2, sha1, sha, mdc2, ripemd160 - message digests
+dgst, md5, md4, md2, sha1, sha, mdc2, ripemd160 - message digests
=head1 SYNOPSIS
B<openssl> B<dgst>
-[B<-md5|-md2|-sha1|-sha|-mdc2|-ripemd160|-dss1>]
+[B<-md5|-md4|-md2|-sha1|-sha|-mdc2|-ripemd160|-dss1>]
[B<-c>]
[B<-d>]
[B<-hex>]
[B<-signature filename>]
[B<file...>]
-[B<md5|md2|sha1|sha|mdc2|ripemd160>]
+[B<md5|md4|md2|sha1|sha|mdc2|ripemd160>]
[B<-c>]
[B<-d>]
[B<file...>]