Patent ID: 6779111
Filing Date: 2004-08-17
Classification: H04L

Abstract:
A method of transmitting information from a first device to a second device, said method comprising the steps of:generating, by said first device, a random value (X); computing, by said first device, a second value (Y) based on the random value and a public key associated with said second device; masking, by said first device, the information (M) using the random value (X); transmitting the masked information (Z) and the second value (Y) from said first device to an untrusted proxy; generating, by said untrusted proxy, an encrypted form (Mâ€²) of the information (M) based on the masked information (Z), and the second value (Y), received from said first device; and transmitting said encypted information (Mâ€²) from said untrusted proxy to said second device.