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Information about Sophos OTP and Google Authenticator

DKKDG

Hello everybody,

I just want to share something I have found you and have not found here yet.

Just in case you use the Sophos OTP with a hash algorithm higher than SHA1 (SHA256 or SHA512) and the google authenticator it wont work to get a sucessful authentication.
Scanning of the QR-Code works but the six code digit you get is not the correct one. Only if you use SHA1.

Tested it with version 5.00 of the google authenticator.

So if you use a hash algorithm higher than SHA1 use the sophos authenticator.

Best Regards
DKKDG



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