In the method for sharing encrypted data region among two or more processes on a tamper resistant processor, one process creates the encrypted data region to be shared according to the common key generated as a result of the safe key exchange, and the other process maps that region to its own address...http://www.google.com/patents/US20080046763?utm_source=gb-gplus-sharePatent US20080046763 - METHOD FOR SHARING ENCRYPTED DATA REGION AMONG PROCESSES IN TAMPER RESISTANT PROCESSOR
