Archived: SPHiNX Chall-Resp

SPHiNX is an example challenge-response authentication system. It was originally developed by Joshua Hollenbeck, Ryan Lewis, and Patrick F. Wilbur for a cryptography class project.

SPHiNX makes use of various techniques to workaround potential future vulnerabilities in the one-way hash functions it uses that are yet to be discovered.

• Online Server Example
• Online Client Example – use ?chal=*challenge number* in the address to get the correct code.
• Source Code

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