Patent ID: 8800027
Filing Date: 2014-08-05
Classification: G06F,H04L,H04W

Abstract:
1. A method of authenticating a user device associated with a user, the method comprising: receiving, from an application provider, in response to a request for authentication from the user device, the request including an altered current personally identifiable information (PII) and an altered previous PII, the application provider unable to reproduce a current PII and a previous PII; computing an authentication value based upon the altered current PII and the altered previous PII; forwarding the authentication value to the application provider, the application provider authenticating the user device based upon the authentication value; wherein computing the authentication value based upon the current original PII and the previous original PII includes: wherein decrypting each of the altered current PII and the altered previous PII with an encryption key associated with the user device includes: