Verifiably encrypted cascade-instantiable blank signatures to secure progressive decision management

• Main Authors: WANG, Yujue, PANG, Hwee Hwa, DENG, Robert H.
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2018
• Subjects: Blank signature; Delegation chain; Digital signature; Optimistic fair exchange; Proxy signature; Redactable signature; Sanitizable signature; Verifiably encrypted signature; Databases and Information Systems; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/3861; https://ink.library.smu.edu.sg/context/sis_research/article/4863/viewcontent/VerifiablyEncryptedCasade_2017.pdf
• Institution: Singapore Management University

In this paper, we introduce the notion of verifiably encrypted cascade-instantiable blank signatures (CBS) in a multi-user setting. In CBS, there is a delegation chain that starts with an originator and is followed by a sequence of proxies. The originator creates and signs a template, which may comp...