=pod

=head1 NAME

dgst, md5, md2, sha1, sha, mdc2, ripemd160 - message digests

=head1 SYNOPSIS

B<openssl> B<dgst> 
[B<-md5|-md2|-sha1|-sha|mdc2|-ripemd160>]
[B<-c>]
[B<-d>]
[B<file...>]

[B<md5|md2|sha1|sha|mdc2|ripemd160>]
[B<-c>]
[B<-d>]
[B<file...>]

=head1 DESCRIPTION

The digest functions print out the message digest of a supplied file or files
in hexadecimal form.

=head1 OPTIONS

=over 4

=item B<-c>

print out the digest in two digit groups separated by colons.

=item B<-d>

print out BIO debugging information.

=item B<file...>

file or files to digest. If no files are specified then standard input is
used.

=back

=head1 NOTES

The digest of choice for all new applications is SHA1. Other digests are
however still widely used.

=cut