A Proxy Blind Signature Scheme Over Braid Groups

Provided by: International Journal of Network Security
Topic: Security
Format: PDF
Proxy signatures, Introduced by Mambo, Usuda and Okamoto, allow a designated person called proxy signer, to sign on behalf of an original signer. According to the delegation type, the proxy signatures are classified as full delegation, partial delegation and delegation by warrant. The proxy signature plays an important role in many applications and has been received great attention since it was proposed. Later many specific types i.e. multi proxy, threshold proxy, proxy blind signatures have been proposed. Many proxy blind signature schemes have been given since inception using number theoretic setting. But, no proxy blind signature has been proposed using a non commutative group like braid group.

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