Patent ID: 6510513
Filing Date: 2003-01-21
Classification: G06F,H04L

Abstract:
A computerized method for providing security services and policy enforcement for electronic data, the method comprising the steps of:submitting, by a first client, a certificate request to a server; receiving, by the server, the certificate request, authenticating the first client, generating a certificate, registering the certificate, and transmitting the certificate to the first client; receiving, by the first client, the certificate, creating an authenticated file containing the certificate and a distribution unit, generating a first digest from the authenticated file using a hashing algorithm, and submitting the first digest to the server; time stamping, by the server, the digest, logging the digest, and transmitting a time stamped receipt to the first client; acquiring, by a second client, the authenticated file, generating a second digest from the authenticated file using the hashing algorithm, and submitting the second digest to the server; and receiving, by the server, the second digest, comparing the second digest to the logged first digest, and transmitting a message to the second client as a result of the comparison.