If there is no existing offline OTP authenticator for Windows phone, FreeOTP is open-source. Perhaps someone will port it over: https://fedorahosted.org/freeot

If there is no existing offline OTP authenticator for Windows phone, FreeOTP is open-source. Perhaps someone will port it over: https://fedorahosted.org/freeotp/ https://fedorahosted.org/freeotp/