Sequential Aggregate Signatures Made Shorter

Provided by: International Association for Cryptologic Research
Topic: Security
Format: PDF
Sequential Aggregate Signature (SAS) is a special type of public-key signature that allows a signer to add their signature into a previous aggregate signature in sequential order. In this case, since many public keys are used and many signatures are employed and compressed, it is important to reduce the sizes of signatures and public keys. Recently, the researchers (PKC 2013) proposed an efficient SAS scheme with short public keys and proved its security without random oracles under static assumptions.

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