密碼學中,冷啟動攻擊(在程度較輕時稱平台重置攻擊)是一種旁路攻擊,具有計算機物理訪問權限的攻擊者能夠在使用冷啟動重新啟動計算機後從運行的操作系統中檢索加密密鑰[1][2]。攻擊依賴於DRAMSRAM數據殘留特性檢索斷電後數秒至數分鐘內內存中的可讀內容[2][3]

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