Electronic device for selecting key to be used for encryption on basis of amount of information of data to be encrypted, and operation method of electronic device
US12126718B2 · kind B2 · utility
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2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 2, 2020 |
| Grant date | Oct 22, 2024 |
| Priority date | — |
| Expiry date | Jun 16, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3263
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An electronic device and a method of operating the electronic device are provided. Data corresponding to a user input is received through a user interface of the electronic device. The data is stored in a normal area of a memory of the electronic device. A quantity of information in the stored data is identified. At least one key is selected from a plurality of keys stored in the memory, based on at least the quantity of information. The data is encrypted using the at least one key. The encrypted data and information indicating the at least one key are transmitted to a secure area of the memory, which requires access authority.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.