August 25, 2010 at 2:00 am #8873
Yutaka Emura
Keymaster
If you search for “SHA1 hash” in the internet, you will find many utilities that can calculate a program SHA1 hash.
For instance, MD5 & SHA-1 Checksum Utility 1.1 http://download.cnet.com/MD5-SHA-1-Checksum-Utility/3000-2092_4-10911445.html is one of those utilities.
I hope this helps.