The means we need to create two RC4 instances: one to encrypt what our browser sends and the other to decrypt what the server sent us.
这意味这我们需要创建两个RC4实例，一个用于加密浏览器发送的消息，另一个用于解密服务器返回的消息。
Same secret key is used to encrypt and decrypt the messages exchanged among them.
使用同一个秘密密钥加密和解密在它们之间交换的消息。
Encryption algorithms encrypt or decrypt messages by performing a sequence of mathematical operations on the message, transforming its appearance but not its content.
加密算法通过在消息上执行一连串的数学操作从而对消息进行加密或解密，转换的是消息的外观而非其内容。
The sample code generates a new secret key and uses it to encrypt and decrypt data.
这个样本代码将生成一个新的秘钥，并使用它对数据进行加密和解密。
Each key in the pair can be used to encrypt messages that the other key can decrypt.
密匙对中的一个密匙被用来加密另一个密匙能够解密的消息。
The sender USES the recipient's public key (available via published digital certificates) to encrypt the message. The recipient then USES his private key to decrypt the message.
发送方使用接收方的公开密钥(可以通过公开的数字证书得到)加密消息，然后接收方使用私钥解密消息。
Similar cryptographic keys can be used to encrypt as well as decrypt messages, therefore, both the sides are guaranteed that they are interacting with the correct one.
类似的密钥可用来加密和解密消息，这样双方都可以确保与之交互的另一方是正确无误的。
SSL parties then use fast private key algorithms to encrypt and decrypt communication data.
于是，SSL通信各方使用快速的私钥算法来加密和解密通信数据。
We begin with an overview of what it means to encrypt and decrypt information, followed by some practical examples involving passwords and other data, using PHP's built-in functionality.
我们通过使用PHP内置功能先了解加密和解密信息的意义，进而了解涉及密码和其他数据的一些实际示例。
In this case, a sender might encrypt the message using the receiver's public key, but only the receiver has the secret key that is used to decrypt the message.
在这种情况下，发送方可能会使用接收方的公钥对消息加密，但是只有接收方拥有用于对消息解密的秘钥。
Many application platforms allow the use of public key cryptography to encrypt, send, and decrypt messages with relative ease.
很多应用程序平台都支持通过使用公钥加密相对容易地对消息进行加密、发送和解密。
In the context of digital security, a key is a piece of data which is used to encrypt or decrypt other pieces of data.
在数字安全语境中，密钥是一段数据，用于对其他数据进行加密或解密。
You can use functions from pgcrypto library to encrypt / decrypt columns.
可以使用pgcrypto 库中的函数对列进行加密/解密。
It is used so you can programmatically determine if the password is being used to encrypt information (rwflag = 1) or decrypt information (rwflag = 0).
使用它的目的是使我们可以编程确定这个密码是正在用来加密信息（rwflag =1）还是解密信息（rwflag =0）。
Firefox warns you that if you have set a master password, you must enter the password to encrypt or decrypt sessions.
如果设置有主密码，Firefox将发出警告，要求您输入密码以加密或解密会话。
Let's build an extension to encrypt and decrypt messages with the Linux McRypt library.
让我们构建一个扩展来用Linuxmcrypt库加密和解密消息。
Once you have completed the wizard your DataPower box will be able to decrypt incoming messages to your flow and encrypt outgoing messages from your message flow.
在完成向导后，DataPower框将能够解密传入消息流的消息和加密从消息流传出的消息。
Your Notes application will have to be able to access this ID file and password when attempting to encrypt and decrypt messages.
当要对消息进行加密和解密时，Notes应用程序必须能够访问这个ID文件和密码。
A CipherService is what most developers want when securing data: a simple, stateless, thread-safe API that can encrypt or decrypt data in its entirety in one method call.
CipherService是多数开发者在保护数据时梦寐以求的东西：简单、无状态、线程安全的API，能够在一次方法调用中对整个数据进行加密或解密。
WEP combines a 40-bit or a 104-bit key with a random 24-bit initialization vector to encrypt/decrypt data.
WEP 将 40比特或 104 比特密钥与随机的24 比特初始向量组合用以加解密数据。
The FS agent provides a feature to encrypt and decrypt data written to or read from file systems.
FS代理提供一个特性，用于加密或解密写到文件系统或从中读取的数据。
This ensures that anyone can encrypt the message using the receiver's public key but only the receiver (the one with the corresponding private key) can decrypt it.
这就保证了任何人都能使用接收方的公钥加密消息，但只有接收方（拥有对应的私钥的一方）能够解密。
Each key value can be used separately to encrypt messages, but it cannot be used to decrypt the messages it was used to encrypt.
每个密匙值都可以单独用于加密消息，但是不能用于解密由它本身加密的消息。
When your public key is used to encrypt a message, only you (as the holder of the private key) can decrypt that message.
当使用您的公开密匙对消息进行加密，那么只有您(即私有密匙的持有者)才能够解密消息。
Demonstrates how to encrypt and decrypt strings using the Data Encryption Standard algorithm.
演示如何使用数据加密标准算法来加密和解密字符串。
XML encryption and digital signatures rely on Public Key Infrastructure (PKI) to help encrypt, decrypt, sign, and verify various documents.
xml加密和数字签名依赖于公共密钥基础设施(Public Key Infrastructure,PKI)来帮助加密(encrypt)、解密(decrypt)、签名(sign)和验证(verify)各种文档。
Does not give permission to sign or decrypt files using the private key, but it does allow a user to verify file signatures and to encrypt files.
并没有提供使用私钥对文件进行签名或解密的权限，但它允许用户验证文件签名并加密文件。
The application needs to be installed on the removable device and ran only when you need to encrypt or decrypt the file.
该应用程序需要在移动设备上安装，只有当你需要加密或解密文件跑去。
It USES one administrator key to encrypt and decrypt all your files, so you not need to remember multiple keys to multiple files.
它使用一个管理员的关键加密和解密的所有档案，所以你不必记住多个钥匙多个档案。
It USES one administrator key to encrypt and decrypt all your files, so you not need to remember multiple keys to multiple files.
它使用一个管理员的关键加密和解密的所有档案，所以你不必记住多个钥匙多个档案。
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