| 摘要 |
A method and system for authenticating that a user responding to a HIP challenge is the user that was issued the challenge is provided. Upon receiving information from a sender purporting to be a particular user, the authentication system generates a HIP challenge requesting information based on the user's identity. Upon receiving a response to the challenge, the authentication system compares the response with the correct response previously stored for that user. If the two responses match, the authentication system identifies the user as the true source of the information.
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