A Secure Channel for Attribute-Based Credentials

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Provided by: Association for Computing Machinery
Topic: Security
Format: PDF
Attribute-Based Credentials (ABCs) are building blocks for user-centric identity management. They enable the disclosure of a minimum amount of information about their owner to a verifier, typically a service provider, to authorize the credential owner for some service, application, or resource. By directly applying attribute-disclosure protocols, the data is revealed not only to the verifier, but anyone who has access to the communication channel. Moreover, as verifiers are not intrinsically authenticated, one can accidentally reveal attributes to the wrong party.
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