Clearly, key escrow is not a suitable compromise, since neither country would want to disclose keys to the other. Even if escrowed encryption schemes are used, there is nothing to prevent someone from using another encryption scheme first. If PFS is used, the attacker must be in control of the machine during the actual conversation. But PFS is generally incompatible with schemes involving escrow of private keys. As more and more companies connect to the Internet, and as more and more commerce takes place there, security is becoming more and more critical.
Cryptography is the most powerful single tool that users can use to secure the Internet.
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