Study and Implementation of Computer Data Secure Deletion
Zhou An-min · Information Security and Communications Privacy · 2010
Data security is the core of computer security,sensitive data stored in the computer must be,when necessary,safely deleted,thus to prevent the data leakage incurred due to the recovery.This paper,based on the principles of computer data storage,describes in detail the current principles and methods of data secure deletion,analyzes the technical principles of data overwriting,achieves an overwriting-based data secure deletion method and gives the core code.The experiment indicates that this method is of strong practicability and operatability for the ordinary files.