Abstract:
A storage device includes a memory device including user memory blocks providing a user data region; and a controller configured to: map logical addresses used in a host to a portion of the user data region, and use a remaining portion of the user data region as an over-provisioning region, wherein the controller is further configured to control the memory device to: erase the user memory blocks based on a sanitize command from the host, provide, to the host, block address information of the user memory blocks based on a block address request from the host, access the user memory blocks based on block state check requests from the host, and provide, to the host, state information indicating whether the user memory blocks are erased according to access results.
Abstract:
A display apparatus including a front surface display panel including a side part that has a first mounting surface that is tilted, and at least one terminal arranged in the first mounting surface; a side surface display panel having a second mounting surface that is tilted so as to correspond to the first mounting surface, and the side surface display panel including at least one terminal arranged in the second mounting surface, wherein the side surface display panel is connected to the side part of the front surface display panel with the first mounting surface and the second mounting surface facing each other, and the at least one terminal arranged in the first mounting surface is electronically connected to the at least one terminal arranged in the second mounting surface, respectively, to electronically connect the front surface display panel and the side surface display panel.
Abstract:
A method of writing data to a protected region in response to a request from a host includes receiving a first write request including a first host message authentication code and a first random number from the host, verifying the first write request based on a write count, the first random number, and the first host message authentication code, updating the write count based on a result of verifying the first write request, generating a first device message authentication code based on the updated write count and the first random number, and providing the host with a first response including the first device message authentication code and a result of the verifying of the first write request.
Abstract:
In one embodiment, the method includes receiving, at a storage device, a request. The request includes a request message authentication code and write protect information. The write protect information includes at least one of start address information and length information. The start address information indicates a logical block address at which a memory area in a non-volatile memory of the storage device starts, and the length information indicates a length of the memory area. The method also includes generating, at the storage device, a message authentication code based on (1) at least one of the start address information and the length information, and (2) a key stored at the storage device; authenticating, at the storage device, the request based on the generated message authentication code and the request message authentication code; and processing, at the storage device, the request based on a result of the authenticating.
Abstract:
A memory card includes a nonvolatile memory and a device controller. The nonvolatile memory stores data. The device controller divides the nonvolatile memory into a plurality of logical units and stores an authentication program at a partial area the plurality of logical units. When connected with a host, the device controller enables the authentication program to be executable on the host.