Unverified80% confidenceTradeoffTime unknown
AES-128与AES-256在实际破解难度上都远超暴力可达范围,个人用户AES-128已足够,不必为256多付溢价;真正决定安全的是加密实现方式(硬件vs软件)而非位数
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Unverified带硬件加密(AES 256)的型号适合携带敏感/商业数据,可防丢失后数据被读取;纯软件加密不如硬件加密安全,涉密办公场景应认准硬件加密83% similarUnverified硬件加密(AES 256位)与传输速度存在轻微权衡,但对现代主控几乎无感知损耗;软件加密则可能拖慢读写并依赖特定系统,涉及商业机密共享优先选硬件加密82% similarUnverified采用硬件级AES-256加密,加密操作由硬盘控制器完成,不依赖主机CPU性能,加密状态下读写速度基本无损失82% similarUnverified存储敏感数据选带硬件AES-256加密的产品(芯片级加密),比软件加密更安全且不占用主机资源;软件加密U盘换电脑需装程序,兼容性差82% similarUnverified硬件加密(芯片级AES-256)比软件加密安全,认准FIPS 140-2 Level 3认证,可防拆解读取;纯软件加密(如BitLocker)依赖主机CPU,换电脑或系统崩溃有解密风险81% similar
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