这是一个创建于 3523 天前的主题，其中的信息可能已经有所发展或是发生改变。
http://99percentinvisible.org/episode/perfect-security/
联系最近在讨论的支付宝数字密码的事情，想到了今天看到的这篇文章。
Since we lost perfect security in the 1850s, it has has remained elusive. Despite tremendous leaps forward in security technology, we have never been able to get perfect security back.
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imink 2015-05-16 22:38:04 +08:00
之前在Hack News看到了，讲的是传统门锁的发展历程。楼主怎么联想到了这篇文章？
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