Efficient one-time proxy signatures
Wang, Huaxiong & Pieprzyk, Josef (2003) Efficient one-time proxy signatures. Lecture Notes in Computer Science : Advances in Cryptology - ASIACRYPT 2003, 2894, pp. 507-522.
One-time proxy signatures are one-time signatures for which a primary signer can delegate his or her signing capability to a proxy signer. In this work we propose two one-time proxy signature schemes with different security properties. Unlike other existing one-time proxy signatures that are constructed from public key cryptography, our proposed schemes are based one-way functions without trapdoors and so they inherit the communication and computation efficiency from the traditional one-time signatures. Although from a verifier point of view, signatures generated by the proxy are indistinguishable from those created by the primary signer, a trusted authority can be equipped with an algorithm that allows the authority to settle disputes between the signers. In our constructions, we use a combination of one-time signatures, oblivious transfer protocols and certain combinatorial objects. We characterise these new combinatorial objects and present constructions for them.
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|Item Type:||Journal Article|
|Additional Information:||Paper presented in the 9th International Conference on the Theory and Application of Cryptology and Information Security, Taipei, Taiwan, November 30 – December 4, 2003. Print ISBN
|Divisions:||Current > QUT Faculties and Divisions > Science & Engineering Faculty|
|Deposited On:||07 Jul 2014 23:36|
|Last Modified:||07 Jul 2014 23:36|
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