tmp/CalendarCrypt.pl is a Perl program described in a later section that handles the encryption, decryption, and secure delete functions.

tmp/CalendarCrypt.pl 是一个 Perl 程序（将在后面介绍），它处理加密、解密和安全删除函数。

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This version of SQL Server has built-in encryption/decryption so you do not need to modify your application code.

这个SQL Server版本内建有加密/解密，这样您就不用去修改您的应用代码。

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Cryptography is the core of security technologies, and encryption, decryption, digital signature, key exchange etc. are the important mechanisms to guarantee the safety.

密码学是安全技术的核心，其中的加密解密、数字签名、密钥交换等技术是起到保障作用的重要机制。

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In its filing to the Securities and Exchange Commission (SEC) the group said it believed "the intruder had access to the decryption tool for the encryption software utilized by TJX".

BBC: NEWS | Business | Hackers target TK Maxx customers

The encryption key could be derived from the decryption key as easily as vice versa.

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If these card numbers were in fact stolen from the Playstation Network, it may be that the encryption Sony says it used was weak, badly implemented, or that the decryption key was included in the stolen data.

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