An efficient quantum double sequential blind signature protocol based on oblivious quantum key distribution

Abstract

Abstract:

Based on oblivious quantum key distribution (OQKD), an efficient quantum double sequential blind signature protocol is proposed. The message owner computes the Hash value of a classical message to be signed and encodes the value as a quantum message. The encoded quantum mes-sages are divided into two parts equally, and they are sent to two signatures respectively. The signer and message owner build the oblivious sharing information to implement the signature by using OQKD. The proposed protocol does not require the preparation of any entanglement resource, and it only needs to perform single-particle projective measurements, which is easy to implement under the present technology conditions. Compared with the existing double blind signature protocols, the complexity of proposed protocol reduces obviously, and its efficiency improves significantly.

Key words: quantum optics; quantum key distribution; oblivious quantum key distribution; quantum blind signature; double signature

CLC Number:

TN918.1

References

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