Abstract
Motivated by the block encryption and quantum Fourier transfer, a quantum blind signature scheme is proposed. Alice encodes the original message into three pairs of hybrid entangled states, which are distributed among three parties of communication. The measurement result of entangled pairs serves as the blind message of Alice and signature of Charlie, the verifier Bob recovers the message and verifies the signature. The information is delivered after being encoded into multi-dimensional quantum states and encrypted by quantum Fourier transforms. The analysis shows that the scheme is non-forgery, non-repudiation and blindness. In addition, the proposed scheme is more efficient against the universal and selective forgery attacks.
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