Venus Transparent File Encryptor(VTFE) is a transparent encryption/decryption fr a mework for windows kernel developers to write their safe products. The VTFE have the kernel module and user module. The kernel module handles the file operation pass user applications and the user module provides the API that is used to communicate with the driver to manipulate the rules, keys, callbacks and the whole encryption/decryption stuff.-Venus Transparent File Encryptor(VTFE) is a transparent encryption/decryption fr a mework for windows kernel developers to write their safe products. The VTFE have the kernel module and user module. The kernel module handles the file operation pass　user applications and the user module provides the API that is used to communicate with the driver to manipulate the rules, keys, callbacks and the whole encryption/decryption stuff.