Any user that does not have the key cannot access the encrypted data.

任何没有密钥的用户都不能够访问加密的数据。

youdao

Listing 5 demonstrates how you can decrypt the encrypted data if you have the right private key.

清单5示范了当您有正确的私钥时，如何对加密的数据进行解密。

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The client authenticates the encrypted/signed data by passing the corresponding key information to the service provider.

客户机通过将相应的密钥信息传递给服务提供程序来认证经过加密或签名的数据。

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He says a policy of key escrow - placing the keys to encrypted data with Trusted Third Parties - would have to be global to be effective and there is no prospect of this.

BBC: Encryption: the expert's view

Basically it's a USB security key that supposedly encrypts data stored to the thumb drive using AES, provides remote encrypted storage, creates a secure connection to the internet, and deletes your browser's cookies and history files.

ENGADGET: Mighty Key, the new secure USB snake oil?

At the time, the federal government was also pushing hard to get companies to add so-called "key escrow" type technologies to their encryption products so that law enforcement could obtain access to encrypted data on demand.

CNN: Technology - Security flaw discovered in Network Associates PGP software