Cryptographic Key Generation from Voice

  • Authors:
  • Fabian Monrose;Michael K. Reiter;Qi Li;Susanne Wetzel

  • Affiliations:
  • -;-;-;-

  • Venue:
  • SP '01 Proceedings of the 2001 IEEE Symposium on Security and Privacy
  • Year:
  • 2001

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Abstract

Abstract: We propose a technique to reliably generate a crypto-graphic key from a user's voice while speaking a password. The key resists cryptanalysis even against an attacker who captures all system information related to generating or verifying the cryptographic key. Moreover, the technique is sufficiently robust to enable the user to reliably regenerate the key by uttering her password again. We describe an empirical evaluation of this technique using 250 utterances recorded from 50 users.