Patent ID: 7100205
Filing Date: 2006-08-29
Classification: G06F

Abstract:
1. A central processing unit comprising: means for processing computer instructions comprising means for receiving computer instructions and means for executing computer instructions; a secure memory unit coupled to said processing means, said secure memory unit having one or more resident security check programs for identifying whether the computer has been tampered with; said means for processing information arranged to receive a secure attention instruction from a source through said receiving means and thereafter said means for executing computer instructions executes the security check program by retrieving its instructions from the secure memory, wherein if a deceptive interpreter is not present, the means for processing information retrieves and executes the at least one security check program, evaluates the results of the security check program, and transmits the results of the security cheek program and a cryptographically generated authentication value to the source, wherein if a deceptive interpreter, the computer processor will not retrieve and execute the security check program and will not transmit a correct authentication value to the source.