Processor with an elliptic curve cryptographic algorithm and a data processing method thereof
US12149619B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2022 |
| Grant date | Nov 19, 2024 |
| Priority date | — |
| Expiry date | Jan 12, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/0643
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A processor with an elliptic curve cryptographic algorithm and a data processing method thereof are shown. The processor has a first register, storing a private key pointer pointing to a private key. In response to a single elliptic curve cryptographic instruction of an instruction set architecture, the processor reads a ciphertext input from a first storage space within a system memory, performing a decryption procedure using the elliptic curve cryptographic algorithm on the ciphertext input based on the private key obtained by referring to the first register to decrypt the ciphertext input and generate a plaintext output, and programming the plaintext output into a second storage space within the system memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.