| 摘要 |
An apparatus and a method for an authentication protocol. In one embodiment, a client requests for an authentication challenge from a server. The server generates the authentication challenge and sends it to the client. The authentication challenge includes the authentication context identifier, a random string, a timestamp, and a signature value. The client computes a salt value based on a username and the authentication context identifier from the authentication challenge. The signature value is computed based on the authentication context identifier, the random string, and the timestamp. The client computes a hashed password value based on the computed salt value, and a message authentication code based on the hashed password value and the random string. The client sends a response to the server. The response includes the username, the message authentication code, the random string, the timestamp, and the signature value.
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