Patent ID: 9003540
Filing Date: 2015-04-07
Classification: H04L

Abstract:
1. A computer-implemented method for authenticating a source of a submission, comprising: receiving, by a first computer system, an initial submission corresponding to a source; receiving, from a second computer system different from the first computer system, a first secure token corresponding to the source, the first secure token including a secure state identifier, the secure state identifier being stored at the source such that the secure state identifier is only accessible within a security context through which the secure state identifier was issued; determining, by the first computer system, whether the initial submission includes a received state identifier that corresponds to the secure state identifier received in the first secure token; if the initial submission includes a received state identifier that corresponds to the secure state identifier, and the received state identifier is determined to correspond to an active state for the source, processing the initial submission; if the initial submission does not include a received state identifier that corresponds to both the secure state identifier and an active state for the source: