PORTABLE MEMORY APPARATUS HAVING A CONTENT PROTECTION FUNCTION AND METHOD OF MANUFACTURING THE SAME
First Claim
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1. A portable memory apparatus comprising:
- a memory including a plurality of areas; and
a memory control unit which controls read and write operations on each of the areas of the memory,wherein the plurality of areas comprise;
a read-only memory area which stores content and is set so that only read operations are allowed;
a writable memory area which is set so that read and write operations are allowed; and
a special memory area which stores information needed to operate the portable memory apparatus, wherein the special memory area is set so that only authenticated programs are allowed to at least one of read from and write to the special memory area.
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Abstract
A portable memory apparatus having a content protection function is provided. The portable memory apparatus includes a memory and a memory control unit. The memory includes a read-only memory area which stores content and is set to so that only read operations are allowed, a writable memory area which is set so that read and write operations are allowed, and a special memory area which stores information needed to operate the portable memory apparatus and is set so that only authenticated programs are allowed to read from and/or write to the special memory area. The memory control unit controls the read and write operations on each of the areas.
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Citations
18 Claims
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1. A portable memory apparatus comprising:
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a memory including a plurality of areas; and a memory control unit which controls read and write operations on each of the areas of the memory, wherein the plurality of areas comprise; a read-only memory area which stores content and is set so that only read operations are allowed; a writable memory area which is set so that read and write operations are allowed; and a special memory area which stores information needed to operate the portable memory apparatus, wherein the special memory area is set so that only authenticated programs are allowed to at least one of read from and write to the special memory area. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9)
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2. The portable memory apparatus of claim 2, wherein the writable memory area stores at least one of additional information related to the content and other information.
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10. A method of manufacturing a portable memory apparatus comprising:
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dividing a memory of the portable memory apparatus into a read-only memory area which is set so that only read operations are allowed, a writable memory area which is set so that read and write operations are allowed, and a special memory area which is set so that only authenticated programs are allowed to at least one of read from and write to the special memory area; storing content in the read-only memory area; and storing information required to operate the portable memory apparatus in the special memory area. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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18. A computer readable recording medium having recorded thereon instructions, comprising:
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dividing a memory of the portable memory apparatus into a read-only memory area which is set so that only read operations are allowed, a writable memory area which is set so that read and write operations are allowed, and a special memory area which is set so that only authenticated programs are allowed to at least one of read from and write to the special memory area; storing content in the read-only memory area; and storing information required to operate the portable memory apparatus in the special memory area.
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Specification