Patent Document ID: 9800416
Application ID: 14992986

Base Claim:
1. A method to validate a digital signature for an electronic document, comprising: receiving, at a validation server and from a computing device, a request including the digital signature and a second digest, the digital signature including a first digest of the electronic document, the second digest being generated from a representation of the electronic document at the computing device; comparing, by the validation server, the first digest of the electronic document with the second digest; generating, by the validation server, a validation result for the digital signature based on the comparing, the validation result being generated independent of the electronic document being available to the validation server; and sending, by the validation server, the validation result for the digital signature to the computing device.

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Claim 10:
10. The method of claim 1 , wherein the validation result indicates whether a representation of the electronic document from which the first digest is generated and the representation of the electronic document from which the second digest is generated are equivalent representations of the electronic document.