Strengthened Security for Blind Signatures

  title={Strengthened Security for Blind Signatures},
  author={David Pointcheval},
Provable security is a very nice property for cryptographic protocols. Unfortunately, in many cases, this is at the cost of a considerable loss in terms of efficiency. More recently, a new approach to achieve some kind of provable security was explored using the so-called “random oracle model”. Last year, Stern and the author studied the security of blind signatures in this model. We first defined appropriate notions of security for electronic cash purpose, then, we proposed the first efficient… CONTINUE READING
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