The goal of cryptography is to make it so that the cost of breaking the system exceeds the value of the information protected.

密码学的目标是使破解系统的成本超过受保护信息的价值。

The art of cryptography is to make the cost of breaking the system exceed the value of the information protected.

密码学的艺术是使破解系统的成本超过受保护信息的价值。

The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards - and even then I have my doubts.

唯一真正安全的系统是关闭的，浇筑在混凝土块中，并密封在有武装警卫的铅衬房间中——即便如此，我仍有疑虑。

Security is always excessive until it's not enough.

安全总是过度的，直到它不够为止。

The best way to keep a secret is to never have one.

保守秘密的最好方法是永远不要有秘密。

The key to security is not to trust anyone, including yourself.

安全的关键是不信任任何人，包括你自己。

Cryptography is about communication in the presence of adversaries.

密码学是关于在存在对手的情况下进行通信的。

The only secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards.

唯一安全的系统是关闭的，浇筑在混凝土块中，并密封在有武装警卫的铅衬房间中。

Security is not a product, but a process.

安全不是产品，而是一个过程。

The most secure encryption is the one you don't use.

最安全的加密是你没有使用的加密。