Security subsystem

• Main Authors: COKER, KENNETH, T, VAN AKEN STEPHEN P, DANIELSON MICHAEL B, POHM DAVID A
• Format: Patent
• Language: Chinese; English
• Published: 29.04.2022
• Subjects: ADVERTISING; CALCULATING; CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY; COMPUTING; COUNTING; CRYPTOGRAPHY; DISPLAY; EDUCATION; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS; SEALS

The invention relates to a security subsystem. Apparatus and methods for performing secure operations using a dedicated secure processor are described in one embodiment. The apparatus includes: a security firmware that defines a security operation; a processor configured to execute the security firmware and perform a set of operations limited to the security operations; and a plurality of secure hardware registers accessible by the processor and configured to receive instructions to perform the secure operations. In another embodiment, an apparatus for performing secure operations using a plurality of security assist hardware circuits is described. The apparatus includes one or more secure hardware registers configured to receive commands to perform secure operations; and one or more security assistance hardware circuits configured to perform discrete security operations using the one or more secret data objects. 本申请涉及安全子系统。在一个实施例中描述用于使用专用安全处理器来执行安全操作的设备及方法。所述设备包含：安全性固件，其界定安全操作；处理器，其经配置以执行所述安全性固件且执行限于所述安全操作的一