Patent ID: 6631471
Filing Date: 2003-10-07
Classification: G06F,G06K,G06Q,G07F

Abstract:
An information processing equipment comprising: a storage memory including a program storage unit for storing a program and a data storage unit for storing data; a central processing unit for executing a data process in accordance with the program, the program including one or more data process means each being a process instruction for giving an execution instruction to said central processing unit; and input data processing means, wherein one data process means processes input data and outputs the processed data, wherein the information processing equipment comprises:data transforming process means for transforming input data D1 by using disturbance data Xi to generate transformed data H1, wherein the disturbance data Xi is arbitrary random number data; transformed data processing means for executing an operation process OP1 for the transformed data H1, to generate processed and transformed data H2; disturbance data processing means for executing the operation process OP1 for the disturbance data Xi to generate processed disturbance data Xo; and data untransforming processing means for executing an operation process OP2 for the processed and transformed data H2 by using the processed disturbance data Xo, to generate processed data D2 which is a result of the operation process OP1 for the input data D1.