File Checksum Integrity Verifier utility
"The File Checksum Integrity Verifier (FCIV)
is a command prompt utility that computes and verifies cryptographic hash values
of files. FCIV can compute MD5 or SHA-1 cryptographic hash values. These values
can be displayed on the screen or saved in an XML file database for later use
and verification."
http://support.microsoft.com/default.aspx?scid=kb;en-us;841290