Managing encryption keys per logical block on a persistent memory device
US-2024346188-A1 · Oct 17, 2024 · US
Electronic device
US8935540B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8935540-B2 |
| Application number | US-201213534884-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 27, 2012 |
| Priority date | Jun 30, 2011 |
| Publication date | Jan 13, 2015 |
| Grant date | Jan 13, 2015 |
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Abstract
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An electronic device causing a removable storage medium to store data, the electronic device includes a removable storage medium, a storage medium interface connecting to the storage medium, and a control unit generating an encryption key at a predetermined time, encrypting data to be stored in the storage medium using the encryption key, storing encrypted data in the storage medium, and storing the encryption key in the storage medium in association with the encrypted data if it is detected that a removal operation of the storage medium has been made by a user.
First claim
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What is claimed is: 1. An electronic device causing a removable storage medium to store data, the electronic device comprising: the removable storage medium; a storage medium interface connecting to the storage medium; and a control unit generating an encryption key at a predetermined timing, encrypting data to be stored in the storage medium using the encryption key, and storing the encrypted data in the storage medium, wherein when a removal operation of the storage medium…
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Frequently asked questions
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- What does patent US8935540B2 cover?
- An electronic device causing a removable storage medium to store data, the electronic device includes a removable storage medium, a storage medium interface connecting to the storage medium, and a control unit generating an encryption key at a predetermined time, encrypting data to be stored in the storage medium using the encryption key, storing encrypted data in the storage medium, and storin…
- Who is the assignee on this patent?
- Yamada Youhei, Kyocera Document Solutions Inc
- What technology area does this patent fall under?
- Primary CPC classification G06F21/79. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Jan 13 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).