Part of twisted.python View Source
A One-Time Password System based on RFC 2289
The class Authenticator contains the hashing-logic, and the parser for the readable output. It also contains challenge which returns a string describing the authentication scheme for a client.
OTP is a password container for an user on a server.
NOTE: Does not take care of transmitting the shared secret password.
At the end there's a dict called dict which is dictionary contain 2048 words for storing pronouncable 11-bit values. Taken from RFC 1760.
Uses the MD5- and SHA-algorithms for hashing
Todo: RFC2444, SASL (perhaps), parsing hex-responsesFunction | stringToLong | Convert digest to long |
Function | stringToDWords | Convert digest to a list of four 32-bits words |
Function | longToString | Convert long to digest |
Class | Unauthorized | the Unauthorized exception |
Class | OTPAuthenticator | A One Time Password System |
Class | OTP | An automatic version of the OTP-Authenticator |