Patent ID: 8898458
Filing Date: 2014-11-25
Classification: G06Q

Abstract:
1. A method comprising: receiving at a first computer from a certificate issuer a new certificate which is to replace an old certificate associated with the first computer, wherein a given certificate enables communication between the first computer and a second computer when the given certificate is associated by both computers with the first computer, wherein the first computer has an email address book having information identifying the second computer as having received the old certificate; associating by the first computer the new certificate in place of the old certificate with the first computer; in response to the first computer associating the new certificate in place of the old certificate with the first computer, accessing by the first computer the email address book to determine from the information identifying the second computer that the second computer is to associate the new certificate in place of the old certificate with the first computer; and in response to the first computer determining that the second computer is to associate the new certificate in place of the old certificate with the first computer, transmitting the new certificate from the first computer directly to the second computer along a communication path independent of the certificate issuer for the second computer to associate the new certificate in place of the old certificate with the first computer.