Patent ID: 8214645
Filing Date: 2012-07-03
Classification: H04L,H04W

Abstract:
1. A method of transmitting one or more security parameters to a first computing device from a second computing device, the method performed at the second computing device, the method comprising: receiving an image, wherein the image is a representation of first data, the first data comprising a password, wherein the password is not derived from a security parameter stored on the first computing device; determining the password from the image; and performing a key exchange with the first computing device over a communication channel between the first and second computing devices, wherein second data is exchanged between the first and second computing devices in accordance with a key exchange protocol, such that a key is derived at each of the first and second computing devices using the password, and wherein the one or more security parameters is transmitted to the first computing device during the key exchange; wherein said performing further comprises wherein the one or more security parameters comprise one or more public keys stored on the second computing device.