FOR THIS QUESTION, REFER TO THE FOLLOING INFORMATIONA security practitioner is responsible for implementing e-mail security with encryption algorithm. He chose open PGP to implement it. Which cryptographic algorithm does he use to create the user's public key?关于这道题,请参看如下信息一个安全从业人员负责用加密算法来实施邮件安全,他选择了开放PGP来实施。他采用了下面那个密码算法来创建用户的公钥？
选项：

A:EIGama1 EIGama1算法
B:IDEA 算法
C: Advanced Encryption Standard（AES）AES算法
D: Triple Data Encryption Algorith（3DES）3DES 算法