Patent ID: 8799674
Filing Date: 2014-08-05
Classification: G06F,G06Q,G16H,H04L,H04W

Abstract:
1. Apparatus, comprising: a hardware processor; computer memory holding computer program instructions that when executed by the hardware processor perform a set of operations under the control of configuration data that includes one or more keys, each key in the configuration data being a public key of a cryptographic key pair associated with one of a set of issuing entities, the public key having an associated secret key that is available at a computing entity distinct and remote from the apparatus, the set of operations comprising: in response to receiving the response from the third party domain, retrieving the value V and issuing a new request to the computing entity at which the secret key is available, the new request including the value V; and receiving a response from the computing entity indicating that a transaction associated with the sensitive data is authorized to proceed, the computing entity having applied the secret key to the value V to identify the sensitive data.