Symmetric algorithms have faster performance than asymmetric algorithms, but passing the secret key securely between participants poses a distribution problem.
对称算法的性能比非对称算法的性能快，但是在参与者之间安全地传递秘钥会引起分发问题。
When the algorithms open, the decryption key can not be calculated by encryption key so the encryption key could be open, only keep decryption key secret, that is public key.
当算法公开时，在计算上不可能由加密密钥求解解密密钥，因而可以将加密密钥公开，即公开密钥。
Due to realizing in double-real precision, the algorithms are provided with big secret key space .
而采用双精度实数作为系统初值密钥，其提供的密钥空间巨大。
Symmetric algorithms require the creation of a key and an initialization vector (IV) that must be kept secret from anyone who should not decrypt your data.
对称演算法需要建立金钥和初始化向量 （IV），而这两者必须对任何不应解密您资料的人保密。
Public-key algorithms, on the other hand, are asymmetrical, using different keys, a public key, and a secret key, for encryption and decryption.
公开钥匙算法则是不对称的，采用不同的密钥，一个公开的钥匙和一个秘密的钥匙，用于加密和解密。
This section describes how to create and manage keys and how to encrypt and decrypt data using public-key and secret-key algorithms.
这部分描述如何创建和管理密钥以及如何使用公钥和私钥算法对数据进行加密和解密。
This section describes how to create and manage keys and how to encrypt and decrypt data using public-key and secret-key algorithms.
这部分描述如何创建和管理密钥以及如何使用公钥和私钥算法对数据进行加密和解密。
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