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11. 发明申请

US20050071656A1 Secure processor-based system and method 审中-公开
标题翻译：基于安全处理器的系统和方法
公开(公告)号：US20050071656A1
公开(公告)日：2005-03-31
申请号：US10672956
申请日：2003-09-25
申请人： Dean Klein , Neal Crook
发明人： Dean Klein , Neal Crook
IPC分类号： G06F21/00 , H04L9/32
CPC分类号： G06F21/46
摘要： A computer system includes a central processor unit (“CPU”), a dynamic random access memory (“DRAM”) device, a key storage device storing a decryption key, a decryption engine and a system controller coupling the CPU to the DRAM. All of these components are fabricated on a common integrated circuit substrate so that interconnections between these components are protected from unauthorized access. The system controller is also coupled through to a non-volatile memory that stores a computer program that has been encrypted. In operation, the computer program is transferred through the system controller to the decryption engine, which uses the decryption key to decrypt the computer program. The CPU executes the encrypted program, and, in doing so, transfers data between the CPU and the system memory. This data is protected from unauthorized access because the connections between the CPU and the system memory are internal to the integrated circuit.
摘要翻译：计算机系统包括中央处理器单元（“CPU”），动态随机存取存储器（“DRAM”）设备，存储解密密钥的密钥存储设备，解密引擎和将CPU耦合到DRAM的系统控制器。所有这些部件都制造在公共集成电路基板上，使得这些部件之间的互连受到保护，免受未经授权的访问。系统控制器也耦合到存储已被加密的计算机程序的非易失性存储器。在操作中，计算机程序通过系统控制器传送到使用解密密钥解密计算机程序的解密引擎。 CPU执行加密程序，在CPU和系统存储器之间传送数据。保护数据免受未经授权的访问，因为CPU和系统存储器之间的连接在集成电路内部。

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