Patent ID: 7770012
Filing Date: 2010-08-03
Classification: H04L

Abstract:
1. A system for providing secure authentication, the system comprising: means for sending basic authentication data from a first computer to a second computer wherein the basic authentication data provides a certificate including a validity status date and a credential, the credential being for permitting a first type of transaction by the first computer to an application provided by the second computer, wherein the basic authentication data has been certified by an accepted certifying authority, and the basic authentication data sent to the second computer includes a public key of the first computer; means for generating an additional individual authentication data unit by the first computer, wherein the additional individual authentication data unit provides a self certificate including a validity status date and a credential, the self certificate credential being for permitting a second type of access by the first computer to an application provided by the second computer, and wherein the means for generating includes: means for signing the individual authentication data unit by the first computer using a key associated with the public key; and means for sending the additional individual authentication data from the first computer to the second computer, so that the second computer can verify authenticity of the additional individual authentication data unit using the first computer's public key that was received from the first computer by the second computer with the basic authentication data.