This policy setting allows you to configure the hashing algorithm Office 2010 applications use to confirm digital signatures. ...

This policy setting allows you to configure the hashing algorithm Office 2010 applications use to confirm digital signatures.

If you enable this policy setting, you can specify any of the following SHA standard functions:
- SHA1
- SHA256
- SHA384
- SHA512

If you disable or do not configure this policy setting, the default value of SHA1 is used.