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Beyond identity: Warranty-based digital signature transactions

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Book cover Financial Cryptography (FC 1998)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1465))

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Abstract

We distinguish between two types of digital-signature based transactions: identity-based and warranty-granting. In the relatively static (and traditional) offline “identity-based” transaction, a Certification Authority (CA) vouches for validity and veracity of data in a user's certificate. Whereas, in the more dynamic “warranty-granting” case, which we identify in this paper, a third-party entity vouches for a user on a pertransaction basis while considering the user's history and characteristics. Here, we provide a modeling for a warranty-granting transactions system and demonstrate its importance in the banking/financial/commercial setting. Warranty-granting systems can be implemented in one of several configurations based on the type of transaction and which party pays for the service (of acquiring the warranty). We discuss the primary configurations and then give a detailed specification for one of the discussed configurations.

Research performed while at CertCo LLC

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References

  1. A. M. Froomkin, ”The essential role of trusted third parties in electronic commerce”, 75 Oregon L. Rev. 49, 1996. (See also http://www.law.miami.edu/froomkin/articles/trustedno.htm)

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  2. CCITTRecommendation X.509, ”The directory-authentication framework,” Consultation Committee, International Telephone and Telegraph, International Telecommunications Union, Geneva, 1989.

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  3. American Bar Association, ”Draft Digital Signature Guidelines”, Information Security Committee of the Section on Science and Technology, 1996 (Available online: http://www.state.ut.us/ccjj/digsig/dsut-gl.htm)

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Authors and Affiliations

  1. CertCo LLC., USA

    Yair Frankel, Charles T. Montgomery & Moti Yung

  2. Divx, USA

    David W. Kravitz

Authors
  1. Yair Frankel
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  2. David W. Kravitz
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  3. Charles T. Montgomery
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  4. Moti Yung
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Editor information

Rafael Hirchfeld

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© 1998 Springer-Verlag Berlin Heidelberg

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Frankel, Y., Kravitz, D.W., Montgomery, C.T., Yung, M. (1998). Beyond identity: Warranty-based digital signature transactions. In: Hirchfeld, R. (eds) Financial Cryptography. FC 1998. Lecture Notes in Computer Science, vol 1465. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0055487

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  • DOI: https://doi.org/10.1007/BFb0055487

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-64951-9

  • Online ISBN: 978-3-540-53918-6

  • eBook Packages: Springer Book Archive

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