Information technology. Security techniques. Anonymous digital signatures - Mechanisms using a group public key

Information technology. Security techniques. Anonymous digital signatures - Mechanisms using a group public key

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1 Scope

This part of ISO/IEC 20008 specifies anonymous digital signature mechanisms, in which a verifier makes use of a group public key to verify a digital signature.

It provides

  • a general description of an anonymous digital signature mechanism using a group public key, and

  • a variety of mechanisms that provide such anonymous digital signatures.

For each mechanism, this part of ISO/IEC 20008 specifies

  • the process for generating group member signature keys and a group public key,

  • the process for producing signatures,

  • the process for verifying signatures,

  • the process for opening signatures (if the mechanism supports opening),

  • the process for linking signatures (if the mechanism supports linking), and

  • the process for revoking group members.