The bulk of the data is encrypted using a symmetric key algorithm that encrypts and decrypts data using a single secure key.
数据块使用一个对称密钥算法进行加密,它使用一个密钥来实现对数据的加密和解密。
A symmetric algorithm requires that both the sender and receiver of the message use the same secret key; this is often referred to as secret key cryptography.
对称算法要求消息的发送方和接收方使用同一个秘钥;这通常被称作秘钥密码术。
An asymmetric key (public key) algorithm is used for the exchange of the secret keys to be used in symmetric algorithm and for digital signatures.
对称密钥(公钥)算法用于交换在对称算法中使用的加密密钥,以及用于数字签名。
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