HOST CONTROLLER AND SYSTEM-ON-CHIP

摘要

A host controller that controls a storage device includes an encryption unit that is selectively configured in response to file encryption information and disk encryption information to encrypt data. The encryption unit encrypts the data using a file encryption operation based on the file encryption information and/or a disk encryption operation based on the disk encryption information.

主权项

1. A host controller that receives a command from a processor and controls operation of a storage device in response to the command, the host controller comprising:
a system memory interface that communicates with a system memory; a storage interface that communicates with a storage device; a control unit configured to extract file encryption information and disk encryption information from the command and control operation of an encryption unit; the encryption unit being selectively configured in response to the file encryption information and disk encryption information to encrypt data received from the system memory via the system memory interface and written to the storage device via the storage interface or not to encrypt the data, wherein the encryption unit encrypts the data using at least one of a file encryption operation based on the file encryption information and a disk encryption operation based on the disk encryption information.