| 发明名称 |
CRYPTOGRAPHIC DEVICE AND SECRET KEY PROTECTION METHOD |
| 摘要 |
A cryptographic device and a secret key protection method are provided. The cryptographic device protects a secret key of the cryptographic device when processing a message. The cryptographic device includes: a secret key protection circuit, configured to generate an indecipherable signal according to the message and the secret key by a hash calculation circuit; and a cryptographic processor, configured to process the message and the secret key according to the indecipherable signal to generate an encrypted message. |
| 申请公布号 |
US2016119136(A1) |
申请公布日期 |
2016.04.28 |
| 申请号 |
US201414278318 |
申请日期 |
2014.05.15 |
| 申请人 |
MStar Semiconductor, Inc. |
发明人 |
Ma Ching-Wen |
| 分类号 |
H04L9/08;H04L9/32 |
主分类号 |
H04L9/08 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A cryptographic device, that protects a secret key of the cryptographic device when processing a message, comprising:
a secret key protection circuit, configured to generate an indecipherable signal according to the message and the secret key by a hash calculation circuit; and a cryptographic circuit, configured to process the message and the secret key according to the indecipherable signal to generate an encrypted signal. |
| 地址 |
Hsinchu Hsien TW |
