Information recording device and host device
AssigneeToshiba Memory Corporation
InventorShinichi MATSUKAWA
Life of this patent
Estimating the term…
Abstract
According to one embodiment, an information recording device includes a memory and a controller. The memory includes a secret recording section. The secret recording section includes a first area and a second area. The controller is configured to control the memory. The controller is configured to permit access to the first area in a case where a first authentication process related to the secret recording section is performed and configured to permit access to the second area in a case where a second authentication process related to the secret recording section is performed.
Claims13
An information recording device comprising:
- a memory including a normal recording section and a secret recording section, the normal recording section being configured to record encrypted content data, the secret recording section including a first area and a second area, the first area being configured to, in a case where the content date is a first content data conforming to a first standard, record first key information used for decoding the first content data, the second area being configured to, in a case where the content data is a second content data conforming to a second standard, record second key information used for decoding the second content data;
- and
- a controller configured to control the memory, configured to permit reading of the first key information from the first area in a case where a first authentication process is performed with a host device, and configured to permit reading of the second key information from the second area in a case where a second authentication process is performed with the host device, a data length of information used for authentication in the second authentication process being longer than a data length of information used for authentication in the first authentication process.
An information recording device comprising:
- a memory including a secret recording section, the secret recording section including a first area and a second area;
- and
- a controller configured to control the memory, configured to permit access to the first area in a case where a first authentication process related to the secret recording section is performed, and configured to permit access to the second area in a case where a second authentication process related to the secret recording section is performed.
A host device comprising:
- an interface configured to connect to an information recording device, the information recording device including a memory, the memory including a secret recording section;
- and
- a controller configured to perform a first authentication process related to the secret recording section with the information recording device in a case where information is to be written in a first area of the secret recording section and configured to perform a second authentication process related to the secret recording section with the information recording device in a case where information is to be written in a second area of the secret recording section.
Dependencies are inferred from the claim text.