Repudiation Internet key exchange protocol

A key exchange protocol and Internet technology, which is applied in the field of key exchange protocols, can solve the problems that user identities cannot be known or determined, danger, Stinson-Wu protocol cannot be repudiated, etc., to achieve privacy protection and complete security sexual effect
CN101060530AInactive Publication Date: 2007-10-24赵运磊
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
赵运磊
Publication Date
2007-10-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The disclosed repudiation internet key exchange protocol for message security and user privacy comprises: binding all of protocol message, user private key and DH key discrete logarithm proof with Harsh function H; taking output of H as message certification key to certify user ID, wherein user message refers no to other user's ID and public key. This invention provides safe, high efficient and repudiation key exchange service.
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Description

technical field

[0001] The invention belongs to a cryptographic protocol, and in particular relates to a repudiable key exchange protocol, which can be used in the core part of the Internet Protocol Security (Internet Protocol Security IPsec) standard: an alternative (compatible) protocol of the Internet Key Exchange (InternetKey-Exchange IKE) Or part of the basis for the next-generation IKE standard. Providing secure, efficient and repudiable key exchange services can become a core cryptographic protocol for protecting information security on the Internet and taking into account user privacy. The protocol can also be used for key exchange in a broad sense, not limited to Internet key exchange. Background technique

[0002] The IKE international standard has gone through two generations of standards. The current standard (ie: IKEv2) is based on the SIGMA key exchange protocol, and uses electronic signature plus authentication code (MAC) to provide information authentication...

Claims

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