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In addition to tokens there were software-only solutions: * https://en.wikipedia.org/wiki/S/KEY https://en.wikipedia.org/wiki/S/KEY (RFC 1760) * https://en.wi
by throw0101c 3y ago
In addition to tokens there were software-only solutions:
* https://en.wikipedia.org/wiki/S/KEY https://en.wikipedia.org/wiki/S/KEY (RFC 1760)
* https://en.wikipedia.org/wiki/OPIE_Authentication_System https://en.wikipedia.org/wiki/OPIE_Authentication_System
* https://en.wikipedia.org/wiki/OTPW https://en.wikipedia.org/wiki/OTPW