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APPARATUS SAFE FROM POWER CONSUMPTION ANALYSIS ATTACK FOR ENCRYPTING AND METHOD FOR OPERATING SAME
APPARATUS SAFE FROM POWER CONSUMPTION ANALYSIS ATTACK FOR ENCRYPTING AND METHOD FOR OPERATING SAME
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机译:加密的功耗分析攻击中的设备安全性及其操作方法
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摘要
An encryption apparatus and operating method thereof is provided. The encryption apparatus may include an encryption module to perform an encryption module. In a first state corresponding to a time period before an encryption algorithm is performed, a first charge transfer unit included in the encryption apparatus may receive a charge (or power) supplied by an external power source, and may store the received charge (or power) in a charge storage unit included in the encryption apparatus. In a second state corresponding to a time period during which the encryption algorithm is performed, a second charge transfer unit included in the encryption apparatus may transfer the charge stored in the charge storage unit to the encryption module. In a third state corresponding to a time period after the encryption algorithm is performed, the charge storage unit may discharge a charge storing device included in an internal portion of the charge storage unit which stores a charge. In the second state, the first charge transfer unit may disconnect a ground terminal of the encryption module from a ground terminal of the external power source.
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