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Precomputing internal AES states in counter mode to protect keys used in AES computations
Precomputing internal AES states in counter mode to protect keys used in AES computations
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机译:以计数器模式预计算内部AES状态以保护AES计算中使用的密钥
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摘要
Methods, media, and systems for, in one embodiment, protecting one or more keys in an encryption and/or decryption process can use precomputed values in the process such that at least a portion of the one or more keys is not used or exposed in the process. In one example of a method, internal states of an AES encryption process are saved for use in a counter mode stream cipher operation in which the key used in the AES encryption process is not exposed or used.
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