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== Problems and Concerns with OTP on mobile phone == * http://www.dotnetnoob.com/2011/02/steal-google-account-and-get-free-otp.html |
One Time Password
- Mostly open implementations.
http://code.google.com/p/google-authenticator/
- implementations support the HMAC-Based One-time Password (HOTP) algorithm specified in RFC 4226 and the Time-based One-time Password (TOTP) algorithm