Cryptology ePrint Archive: Report 2005/308

Adaptable Group-Oriented Signature

Chunbo Ma, Jun Ao, and Dake He

Abstract: A new type of signature is presented in this paper, named adaptable group-oriented signature. In contrast with traditional group-oriented signature, the new one laid a strong emphasis on how to improve the signerĄ¯s efficiency. In fact, this new type of group-oriented signature can be seen as a type of designated verifier signature. In contrast with the ordinary designated verifier signature, it does not designate one member but several members to independently verify the signature. The designated members, who can independently verify the signature, come into a group. This scheme can ensure the anonymity of the verifiers. This type of signature can be used in such system that the compute resource is limited, such as the broadcast protocols of the mobile telephone in the mobile networks.

Category / Keywords: public-key cryptography / adaptable, group-oriented signature, ID based, designated verifiers

Date: received 3 Sep 2005

Contact author: cb_ma at 263 net

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Version: 20050912:115514 (All versions of this report)

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