Withdrawable Signature: How to Call off a Signature

ePrint Report: Withdrawable Signature: How to Call off a Signature

Xin Liu, Joonsang Baek, Willy Susilo

Digital signatures are a cornerstone of security and trust in cryptography, providing authenticity, integrity, and non-repudiation. Despite their benefits, traditional digital signature schemes suffer from inherent immutability, offering no provision for a signer to retract a previously issued signature. This paper introduces the concept of a withdrawable signature scheme, which allows for the retraction of a signature without revealing the signer's private key or …

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