Public-key encryption

• 公开密钥加密

public-key encryption的用法和样例：

例句

1. Conversely,plaintext encrypted with the private key can be decrypted only with the public key.
   相反，用秘密密钥加密的普通文本只能由公开密钥解密。
2. If you have a public-key encryption system,you can have it add an electronic signature to a document.
   如果有了公开密钥加密系统，就可以对文档加上电子签名。