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Paper 2013/271

The Legal Classification of Identity-Based Signatures

Christoph Sorge

Abstract

Identity-based cryptography has attracted attention in the cryptographic research community in recent years. Despite the importance of cryptographic schemes for applications in business and law, the legal implications of identity-based cryptography have not yet been discussed. We investigate how identity-based signatures fit into the legal framework. We focus on the European Signature Directive, but also take the UNCITRAL Model Law on Electronic Signatures into account. In contrast to previous assumptions, identity-based signature schemes can, in principle, be used even for qualified electronic signatures, which can replace handwritten signatures in the member states of the European Union. We derive requirements to be taken into account in the development of future identity-based signature schemes.

Metadata
Available format(s)
PDF
Category
Applications
Publication info
Published elsewhere. Unknown where it was published
Keywords
digital signatureselectronic signatureslegal aspects
Contact author(s)
christoph sorge @ uni-paderborn de
History
2013-05-14: received
Short URL
https://ia.cr/2013/271
License
Creative Commons Attribution
CC BY
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