Encryption method for execute-in-place memories
US10169618B2 · kind B2 · utility
2Cited by
16References
13Claims
0Family size
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Key dates
| Filing date | Dec 23, 2014 |
| Grant date | Jan 1, 2019 |
| Priority date | — |
| Expiry date | Dec 23, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/12
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Encryption/decryption techniques for external memory are described herein. In an example embodiment, a device comprises an internal memory and an external memory controller. The internal memory is configured to store a key. The external memory controller is configured to encrypt, with the key, an address for an access operation to an external memory device to obtain an encrypted address, and to encrypt or decrypt a block of data for the access operation based on the encrypted address.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.