Select digital signature hashing algorithm

This policy setting allows you to configure the hashing algorithm Office 2016 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.

0. SHA1
   

   Registry Hive	HKEY_CURRENT_USER
   Registry Path	software\policies\microsoft\office\16.0\common\signatures
   Value Name	signaturehashalg
   Value Type	REG_SZ
   Value	sha1

1. SHA256
   

   Registry Hive	HKEY_CURRENT_USER
   Registry Path	software\policies\microsoft\office\16.0\common\signatures
   Value Name	signaturehashalg
   Value Type	REG_SZ
   Value	sha256

2. SHA384
   

   Registry Hive	HKEY_CURRENT_USER
   Registry Path	software\policies\microsoft\office\16.0\common\signatures
   Value Name	signaturehashalg
   Value Type	REG_SZ
   Value	sha384

3. SHA512
   

   Registry Hive	HKEY_CURRENT_USER
   Registry Path	software\policies\microsoft\office\16.0\common\signatures
   Value Name	signaturehashalg
   Value Type	REG_SZ
   Value	sha512