In this paper we introduced the phylogeny of data encryption algorithm and the mainstream algorithm of symmetric-key algorithm and asymmetric-key algorithm?
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非对称加密技术或公钥加密是一种密码系统,使用一对密码钥匙加密或解密信息,使信息安全传递。
Asymmetric cryptography or public-key cryptography is cryptography in which a pair of keys is used to encrypt and decrypt a message so that it arrives securely.