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- 在密码学中,加密是将明文信息隐匿起来,使之在缺少特殊信息时不可读。虽然加密作为通信保密的手段已经存在了几个世纪,但是只有那些对安全要求特别高的组织和个人才会使用它。在20世纪70年代中期,强加密(Strong Encryption)的使用开始从政府保密机构延伸至公共领域,并且目前已经成为保护许多广泛使用系统的方法,比如因特网电子商务、手机网络和银行自动取款机 等。
加密可以用于保证安全性,但是其它一些技术在保障通信安全方面仍然是必须的,尤其是关于数据完整性和信息验证;例如,信息验证码(MAC)或者数字签名。另一方面的考虑是为了应付流量分析。
wikipedia - by Adsion Liu
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- É o método utilizado para proteger as comunicações, utilizando o protocolo SSL com chaves de encriptação. O que significa que a informação que circula entre o computador do Cliente e os servidores da U.F.P. é transmitida de forma ilegível, segura e confidencial Own research - by Ligia Dias Costa
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- Protecção dos dados através da encriptação dos discos rígidos e ficheiros. Porque com a "digitalização" do mundo e o facto de estarmos cada vez mais ligados ... - www.microsoft.com by Ligia Dias Costa
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