rsa 是非对称加密

公钥加密，私钥解密

pip install rsa

import rsa
from binascii import b2a_hex, a2b_hex

class rsacrypt():
    def __init__(self):
        ''''''

    def encrypt(self, text):
        #加密文本
        self.ciphertext = rsa.encrypt(text.encode(),self.pubkey)
        return b2a_hex(self.ciphertext)

    def decrypt(self, text):
        #解密文本
        decrypt_text = rsa.decrypt(a2b_hex(text),self.prikey)
        return decrypt_text

    def create_key(self):
        #获取一对秘钥
        pubkey, prikey = rsa.newkeys(256)
        pub = pubkey.save_pkcs1()
        pri = prikey.save_pkcs1()
        return (pub,pri)

    def load_pub_key(self,pub):
        #导入公钥，为加密准备
        self.pubkey = rsa.PublicKey.load_pkcs1(pub)

    def load_pri_key(self,pri):
        #导入私钥，为解密准备
        self.prikey = rsa.PrivateKey.load_pkcs1(pri)

if __name__ == '__main__':
    my_rsacrypt = rsacrypt()
    pub,pri=my_rsacrypt.create_key()
    print(pub,pri)
    my_rsacrypt.load_pub_key(pub)
    my_rsacrypt.load_pri_key(pri)
    a = my_rsacrypt.encrypt("123")
    print(a)
    b = my_rsacrypt.decrypt(a)
    print(b)

b'5e1ed0b7583e9cdb3f9161fd6e045c29458f703cabb91a848a84e95cab35a113'

b'123'