International Association for Cryptologic Research

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Controlling Spam by Secure Internet Content Selection

Authors:
Amir Herzberg
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URL: http://eprint.iacr.org/2004/154
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Abstract: Unsolicited and undesirable e-mail (spam) is a growing problem for Internet users and service providers. We present the Secure Internet Content Selection (SICS) protocol, an efficient cryptographic mechanism for spam-control, based on allocation of responsibility (liability). With SICS, e-mail is sent with a content label, and a cryptographic protocol ensures labels are authentic and penalizes falsely labeled e-mail (spam). The protocol supports trusted senders (penalized by loss of trust) and unknown senders (penalized financially). The recipient can determine the compensation amount for falsely labeled e-mail (spam)). SICS is practical, with negligible overhead, gradual adoption path, and use of existing relationships; it is also flexible and appropriate for most scenarios, including deployment by end users and/or ISPs and support for privacy and legitimate, properly labeled commercial e-mail. SICS improves on other crypto-based proposals for spam controls, and complements non-cryptographic spam controls
BibTeX
@misc{eprint-2004-12126,
  title={Controlling Spam by  Secure Internet Content Selection},
  booktitle={IACR Eprint archive},
  keywords={applications / electronic commerce and payment},
  url={http://eprint.iacr.org/2004/154},
  note={ herzbea@cs.biu.ac.il 12618 received 4 Jul 2004, last revised 19 Jul 2004},
  author={Amir Herzberg},
  year=2004
}