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

密碼學的目標是使破解系統的成本超過受保護信息的價值。

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

密碼學的藝術是使破解系統的成本超過受保護信息的價值。

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.

唯一真正安全的系統是關閉的，澆筑在混凝土塊中，并密封在有武裝警衛的鉛襯房間中——即便如此，我仍有疑慮。

Security is always excessive until it's not enough.

安全總是過度的，直到它不夠為止。

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

保守秘密的最好方法是永遠不要有秘密。

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

安全的關鍵是不信任任何人，包括你自己。

Cryptography is about communication in the presence of adversaries.

密碼學是關于在存在對手的情況下進行通信的。

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.

唯一安全的系統是關閉的，澆筑在混凝土塊中，并密封在有武裝警衛的鉛襯房間中。

Security is not a product, but a process.

安全不是產品，而是一個過程。

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

最安全的加密是你沒有使用的加密。