Host Device and Method for Partitioning Attributes in a Storage Device
OwnerYonatan Tzafririnventor
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Abstract
A host device and method for partitioning attributes in a storage device are provided. In one embodiment, a host device is provided that is in communication with a storage device storing a table associating logical address ranges with an encryption key and read/write permissions. The host device sends a request to the storage device to add a column to the table and then sends a request to the storage device to add an attribute to a cell of the added column to the table associated with a particular logical address range. The table and commands can be those compatible with the Trusted Computing Group's (TCG's) Opal standard.
Claims20
A method for managing access to an addressable memory location in a storage device, the method comprising:
- performing the following in a host device in communication with a storage device storing a table associating logical address ranges with an encryption key and read/write permissions:
- sending a request to the storage device to add a column to the table;
- and
- sending a request to the storage device to add an attribute to a cell of the added column to the table associated with a particular logical address range.
A host device comprising:
- an interface through which to communicate with a storage device storing a table associating logical address ranges with an encryption key and read/write permissions;
- and
- a controller configured to:
- send a request to the storage device to add a column to the table;
- and
- send a request to the storage device to add an attribute to a cell of the added column to the table associated with a particular logical address range.
Dependencies are inferred from the claim text.