=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