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Burdens of ProofCryptographic Culture and Evidence Law in the Age of Electronic Documents$
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Jean-Francois Blanchette

Print publication date: 2012

Print ISBN-13: 9780262017510

Published to MIT Press Scholarship Online: August 2013

DOI: 10.7551/mitpress/9780262017510.001.0001

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The Equivalent of a Written Signature

The Equivalent of a Written Signature

(p.62) (p.63) 4 The Equivalent of a Written Signature
Burdens of Proof

Jean-François Blanchette

The MIT Press

This chapter examines the gradual crystallization of a cryptographic model for an electronic equivalent to handwritten signatures. It suggests that market demise of public-key infrastructures provided a powerful critique of the digital signature model and contends that the difficulties met in translating this model into a commercially successful technology may be attributed to cryptographers’ problematic relationship with the representational nature of models. It also discusses the trade-offs in the mathematization of cryptography.

Keywords:   cryptographic model, handwritten signatures, digital signature model, cryptographers, mathematization of cryptography

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