On the usability and security of pseudo-signatures

18 January 2010 On the usability and security of pseudo-signatures

Jin Chen, Daniel Lopresti

Author Affiliations +

Proceedings Volume 7534, Document Recognition and Retrieval XVII; 753408 (2010) https://doi.org/10.1117/12.840445
Event: IS&T/SPIE Electronic Imaging, 2010, San Jose, California, United States

Abstract

Handwriting has been proposed as a possible biometric for a number of years. However, recent work has shown that handwritten passphrases are vulnerable to both human-based and machine-based forgeries. Pseudosignatures as an alternative are designed to thwart such attacks while still being easy for users to create, remember, and reproduce. In this paper, we briefly review the concept of pseudo-signatures, then describe an evaluation framework that considers aspects of both usability and security. We present results from preliminary experiments that examine user choice in creating pseudo-signatures and discuss the implications when sketching is used for generating cryptographic keys.

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Jin Chen and Daniel Lopresti "On the usability and security of pseudo-signatures", Proc. SPIE 7534, Document Recognition and Retrieval XVII, 753408 (18 January 2010); https://doi.org/10.1117/12.840445

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