发明名称 |
Method for fast decryption of processor instructions |
摘要 |
A processor, circuit and method provide for fast decryption of encrypted program instructions for execution by the processor. A programmable look-up coding is used to decode a field within the instructions. The decoded field for the instructions are recombined with the remaining portion of the same instructions to yield the decoded instructions. The programmable look-up coding can be programmed and controlled by a process executing at a higher privilege level than the program represented by the instructions, so that security against code-modifying attacks is enhanced.
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申请公布号 |
US8392725(B2) |
申请公布日期 |
2013.03.05 |
申请号 |
US201113301227 |
申请日期 |
2011.11.21 |
申请人 |
MCINTOSH GORDON D.;SILHA EDWARD JOHN;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
MCINTOSH GORDON D.;SILHA EDWARD JOHN |
分类号 |
G06F11/30 |
主分类号 |
G06F11/30 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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