The digest utility is a wrapper for the md5, sha1, sha256, sha384,
sha512 and rmd160 message digest algorithms (also known as hashes,
checksums or "fingerprints").
WWW: http://cvsweb.NetBSD.org/bsdweb.cgi/pkgsrc/pkgtools/digest/
AUTHOR: Alistair G. Crooks <agc@NetBSD.org>
Trevor Johnson