发明授权
US08774407B2 System and method for executing encrypted binaries in a cryptographic processor
有权
在加密处理器中执行加密二进制文件的系统和方法
- 专利标题: System and method for executing encrypted binaries in a cryptographic processor
- 专利标题(中): 在加密处理器中执行加密二进制文件的系统和方法
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申请号: US12868394申请日: 2010-08-25
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公开(公告)号: US08774407B2公开(公告)日: 2014-07-08
- 发明人: Mark W. Eklund , Jared B. Pendleton , Richard Brian Livingston , Robert T. Bell , Steven Joseph Rich
- 申请人: Mark W. Eklund , Jared B. Pendleton , Richard Brian Livingston , Robert T. Bell , Steven Joseph Rich
- 申请人地址: US CA San Jose
- 专利权人: Cisco Technology, Inc.
- 当前专利权人: Cisco Technology, Inc.
- 当前专利权人地址: US CA San Jose
- 代理机构: Patent Capital Group
- 主分类号: H04K1/00
- IPC分类号: H04K1/00 ; H04L9/00
摘要:
An example method is provided and includes providing an encrypted image to a central processing unit of an integrated circuit and decrypting the encrypted image using a cryptographic key element. The cryptographic key element is embedded within the integrated circuit. The method also includes evaluating the decrypted image in order to verify its authenticity, and executing the decrypted image if the decrypted image is successfully verified. In more particular embodiments, the verification includes utilizing an executable and linkable format (ELF) to signify that encryption has been enabled for at least a portion of the encrypted image. A processor within the integrated circuit can be provided with the cryptographic key element that corresponds to a product family of devices. The method can also include providing a corresponding image of the decrypted image to an external memory of the integrated circuit.
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