Based on the importance of P transform and coherence in encryption-decryption in the S-P networks, we put forward the definition of involution-typed mixcolumn transform.
基于S-P网络中P置换的重要性和加解密的一致性，本文提出了对合型列混合变换的概念，并对其代数结构、枝数和计数问题进行了深入地研究和分析。
Encryption and decryption with PHP.
使用PHP进行加密和解密。
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。
Handlers can manage encryption and decryption, logging and auditing, and so on.
处理程序可以处理加密和解密、日志记录和审计等。
This security policy performs digital signing and verification, encryption and decryption using asymmetric cryptography.
此安全策略使用非对称加密执行数字签名与验证、加密和解密。
The offline policy controls backup and restore commands, and the encryption and decryption of database backup images.
离线策略控制备份和恢复命令，以及数据库备份映像的加密和解密。
Symmetric algorithms are very efficient and work with a single key for both encryption and decryption calculations.
对称算法非常有效，并且可以与用于加密和解密计算的单一密钥一起使用。
The most expensive operations in terms of performance are usually the serialization and deserialization of the data and return values, and the encryption and decryption of the request and response.
从性能而言，开销最大的操作通常是数据和返回值的序列化和反序列化以及请求和响应的加密与解密。
In terms of the difference between encryption key and decryption key, it can divide into symmetry cryptogram and public key cryptogram.
根据加密密钥和解密密钥在性质上的差异，可以将密码体制分为对称密码和公钥密码两大类。
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。
The process of video files includes video compression, encryption, decryption and decompression.
对视频文件的处理包括视频压缩、加密、解密和解压缩等。
Can be achieved document encryption and decryption.
可以实现文件的加密和解密。
Due to simple system initialization, efficient encryption and decryption, this scheme is easy to realize.
该方案系统初始化简单、加密和解密效率高，便于实现。
Software can help to carry out authentication or data encryption/decryption operations, but hardware has advantages in better performance and higher level security.
软件当然可以实现身份认证和数据加密解密的功能，但是硬件具有更好的性能和更高的安全等级。
The process of encryption or decryption is generally known as cryptography, and relies on mathematical algorithms.
加密过程或解密过程一般被称作密码术，且依赖于数学算法。
This section concludes by putting together all the concepts of signature, verification, encryption, and decryption in secure XML messaging applications.
本节总结了安全XML消息传递应用程序中签名、验证、加密和解密等全部概念。
Keys are used for digitally signing documents and verifying signatures, and they help with the encryption and decryption processes.
密钥用于数字签署文档和验证签名，也用于加密和解密过程。
You can also use AES_ENCRYPT and AES_DECRYPT functions for encryption and decryption of column data.
还可以使用AES_ENCRYPT和AES_DECRYPT函数对列数据进行加密和解密。
Note that XML Encryption is only about encryption and decryption of structured information and does not dictate any particular method of key exchange.
XML加密只关于加密和解密结构化信息，而不规定密钥交换的任何特定方法。
Transparent database encryption refers to the encryption and decryption of data in the database, the database access program is completely unaware.
数据库透明加密是指对库内数据的加密和解密，对数据库的访问程序是完全无感知的。
The encryption guarantees the data confidentiality on the topic, because only the service provider owning the right private key can perform decryption correctly and, thus, understand the data.
加密可以保证有关某个主题的数据机密性，原因是只有拥有正确私钥的服务提供者才能正确执行解密，因此也能读懂该数据。
A mismatch in either the encryption key or key version number causes the decryption process to fail.
加密密匙或密匙版本号的不匹配会导致解密过程失败。
The same key is used for both encryption and decryption.
加密和解密使用相同的密钥。
Though symmetric keys have their disadvantages (primary among them being how to pass them among the trusted parties), the major advantage they offer is speed of encryption and decryption.
尽管对称密钥有自身的缺陷（主要是如何在互信的双方之间传递），它们最大的优点是加密解密的速度快。
This approach is transparent to the database itself, the database management system can not feel the existence of encryption and decryption process.
这种方式对于数据库自身来说也是透明的，数据库管理系统也感觉不到加密解密过程的存在。
If a key pair is successfully used in an encryption and decryption operation, the pair's private key must have been used for one part of the operation.
如果在加密和解密操作中成功地使用了密钥对，那么必定在操作的某个部分使用了密钥对中的私钥。
You can use the encryption and decryption built-in functions encrypt, DECRYPT_BIN, DECRYPT_CHAR, and GETHINT to encrypt your data within database tables.
可以使用内置的加密和解密函数encrypt、DECRYPT _ BIN、DECRYPT_CHAR和GETHINT加密数据库表中的数据。
This version of SQL Server has built-in encryption/decryption so you do not need to modify your application code.
这个SQLServer版本内建有加密/解密，这样您就不用去修改您的应用代码。
This version of SQL Server has built-in encryption/decryption so you do not need to modify your application code.
这个SQLServer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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