Technical and Legal Meaning of “Sole Control” – Towards Verifiability in Signing Systems

Kutyłowski, Mirosław; Błaśkiewicz, Przemysław; Krzywiecki, Łukasz; Kubiak, Przemysław; Paluszyński, Wiesław; Tabor, Michał

doi:10.1007/978-3-642-25370-6_27

Cited by 2 publications

(2 citation statements)

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“…The "means" to create the signature are private cryptographic keys; the wider wording of the directive was chosen for the directive to account for possible technical innovations. As pointed out by Kutylowski et al [23], there are schemes that allow multiple private keys to be used with the same public key; in that case, the signatory must be able to keep all of them under his control.…”

Section: Sole Controlmentioning

confidence: 99%

“…Rossnagel [29] introduces two approaches for signature generation using mobile phones and discusses whether they meet the requirements of qualified signatures according to the European Signature Directive. Kutylowsky et al [23] discuss how the signatory's "sole control" over the signature creation process, as required by the European Directive, can be improved by providing evidence for fraud. The sole control requirement is also relevant for the classification of electronic signatures autonomously created by electronic agents: Bergfelder et al [5] show that these signatures can be qualified signatures according to German law.…”

Section: Related Workmentioning

confidence: 99%

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The legal classification of identity-based signatures

Sorge

2014

Computer Law & Security Review

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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.

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Section: Sole Controlmentioning

confidence: 99%