The key used for the data encryption could be the same key passed in the original request or another randomly generated key, the latter being more typical.
用于数字加密的密钥可能是在最初请求中传送的同一密钥，也可能是另一个随机生成的密钥，而后者更具代表性。
Step 4: Create an Encryptor object with a data encryption key, a key encryption key, their associated algorithms, and key information to be included in the output.
步骤4：利用一个数据加密密钥、一个密钥加密密钥、与这两个密钥相关联的算法、以及将来包含在输出信息中的密钥信息，根据它们来创建一个Encryptor对象。
With PGP and other public-key encryption methods, there's no way to deduce someone's private key from the public key.
对于PGP和其他公钥加密方法，不存在从公钥推断某人私钥的方法。
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。
Note that changing an encryption key may require a significant maintenance window; all existing encrypted data will require decryption with the old key and encryption with the new key.
注意，更改加密密钥时可能需要一个有效的维护窗口。所有已经被加密的数据需要用旧的密钥进行解密，然后用新的密钥加密。
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。
It has strongpoint of symmetry encryption scheme such as encryption speed and encrypt intensity, but also has advantage of public key encryption scheme on key distribution and key management.
该方法兼有两类加密体制的优点：既有对称密码加密体制的加密速度快，强度高的优点，又拥有公钥密码体制在密钥分发与管理上的优势。
The protocol USES such technologies as symmetrical key encryption, public key encryption, Hasche algorithm, digital signature as well as public key authorization mechanism and so on.
该协议采用的技术包括，对称密钥加密、公共密钥加密、哈希算法、数字签名技术以及公共密钥授权机制等。
EKE is a kind of key exchange protocol based on week password and can resist offline dictionary attacks by use of symmetric key encryption and public key encryption.
EKE协议是基于弱口令的密钥交换协议，通过使用对称密钥加密体制和公钥加密体制，能够很好地抵抗离线字典攻击。
For encryption and decryption of messages, both a public key and a private key are required. You must supply a password for the private key.
要加密和解密消息，需要公钥和私钥。您必须为私钥提供一个密码。
For encryption and decryption of messages, both a public key and a private key are required. You must provide the password for the private key.
要加密和解密消息，需要公钥和私钥。您必须提供私钥的密码。
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。
Public-key encryption The key distribution problem has always been the weak link in the secret-key systems.
公钥加密密钥的分布问题在秘钥系统中一直是一个薄弱环节。
Public-key encryption The key distribution problem has always been the weak link in the secret-key systems.
公钥加密密钥的分布问题在秘钥系统中一直是一个薄弱环节。
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