Method of operating storage medium, method of operating host controlling the storage medium, and method of operating user system including the storage medium and the host

A method of operating a user system including a storage medium and a host that controls the storage medium, the method comprising:

• receiving, by the host, initial authentication information;
• setting, by the host, a portion of a storage space of the storage medium as a protection area;
• transmitting, by the host, the received initial authentication information and protection area information with respect to the protection area to the storage medium;
• storing, by the storage medium, the received initial authentication information and the received protection area information in a nonvolatile memory included in the storage medium;
• and
• discarding, by the host, the initial authentication information in the host.

A method of operating a storage medium, the method comprising:

• receiving initial authentication information at the storage medium;
• storing the initial authentication information in the storage medium;
• setting a portion of a storage space of the storage medium as a protection area;
• receiving access authentication information and a data access request for accessing data stored in the protection area;
• and
• selectively processing the data access request based on the received access authentication information and the stored initial authentication information.