Generate one time passwords with MD4, MD5, and SHA-1.
TekOTP is a One Time Password generator based on RFC 2289 runs under Windows (Vista, Windows 7/8/10, 2008-2019 Server). Generates OTPs with MD4, MD5 and SHA-1. Simple, easy to use GUI. Enter seed, pass phrase, set count and algorithm and click 'Calculate' button to generate an OTP. Generated OTP will be automatically copied to the Windows clipboard. You can also use command line interface of TekOTP. Run TekOTP from the command line with -h parameter to see the usage.
spits out the following error on windows 7:
Unhandled Exception: System.TypeInitializationException: The type initializer fo
r '<Module>' threw an exception. ---> System.InvalidOperationException: This imp
lementation is not part of the Windows Platform FIPS validated cryptographic alg
orithms.
at System.Security.Cryptography.RijndaelManaged..ctor()
at .cctor()
--- End of inner exception stack trace ---