代码：
1 from Crypto.PublicKey import RSA 2 from Crypto.Cipher import PKCS1_OAEP 3 import base64 4 rsa_key_pair = RSA.generate(1024) 5 pubkey = rsa_key_pair.publickey().export_key() 6 privkey = rsa_key_pair.export_key() 7 print(pubkey.decode()) 8 print(privkey.decode()) 9 10 # 公钥加密 11 text = "hello world" 12 rsa_pubkey = RSA.import_key(pubkey) 13 cipher_pub = PKCS1_OAEP.new(rsa_pubkey) 14 ciphervalue_enc = base64.b64encode(cipher_pub.encrypt(text.encode("utf-8"))) 15 print("加密内容: {}".format(ciphervalue_enc.decode())) 16 17 #私钥解密 18 rsa_privkey = RSA.import_key(privkey) 19 cipher_priv = PKCS1_OAEP.new(rsa_privkey) 20 ciphervalue_dec = cipher_priv.decrypt(base64.b64decode(ciphervalue_enc)) 21 print("解密内容: {}".format(ciphervalue_dec.decode()))
输出：
-----BEGIN PUBLIC KEY----- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCk5RDTc88/13NClCz2u8JbERQZ 5+5oqdic9LkqfpHXguxBd31j6sV9zBurnT85O6+08D/eRCZj7DA3vR2pXziglDaJ kUXNjuX0403NXHyNFugjbZyGfwr3r1V8B7ZCcyCZNW4V28naM0NF9jcVgb6haDQP 7k5ht92sQ7IJiXROKQIDAQAB -----END PUBLIC KEY----- -----BEGIN RSA PRIVATE KEY----- MIICXQIBAAKBgQCk5RDTc88/13NClCz2u8JbERQZ5+5oqdic9LkqfpHXguxBd31j 6sV9zBurnT85O6+08D/eRCZj7DA3vR2pXziglDaJkUXNjuX0403NXHyNFugjbZyG fwr3r1V8B7ZCcyCZNW4V28naM0NF9jcVgb6haDQP7k5ht92sQ7IJiXROKQIDAQAB AoGARVXAVnlayuhoIbW2lmTq22n5/s6kU8QfPhg1B+ZCotD9UKXSxsHAGx5JAEdV f1ZWkol3AZm8XsXAnJ9bqo1MfKQcPLZRCG3FMQ6UUyse/R0Wc+ofzP8roM6y9qsG C8WlM5lSojyz+lgUH5+CaEtZW43kHitt/jzK0byj2An0c1UCQQDH6kDFh43mLFz0 n4q6VSnCrCGTTuEsnnWGSlNafFyUURgeA6AWkfJNphErNBJul/thq6lXf9Hs61sd CI1WtDDTAkEA0yevHkbD4hV9eh4aW5r6sAgDEtpp3gaUoB9xyayeuO1GoowtTBhz NO+GttV+XyxFELCNBBwNIhpvVFWz/q+HkwJBAMGLuIPEtgum3aPzpiK5+sE/Vw4/ 6t8A1rVZ1hMfnZ32WQwN5HqVd+nXIn4aXtH1kGnCASP2Wu4t+jtEoVnVAAMCQH9c zmnqsThrUfYYtjlO76rCCmiSyYycV4WFsfK9ZjeRFyvwdVoS3Vqup4kcmU76uuXo OAakjN9nJoOt9hXG9nUCQQCJc398MvDedu8igFluMx8Cgt6s3Srwp/EZvcBK915u e5JvZ6uds64G9ooX+8mire50zpn7UbwPZzbEDffNYbIG -----END RSA PRIVATE KEY----- 加密内容: Bod1WNuWMRky/bCZdNvWuCBYdMfejsEWqm08QwNxff3enwm1xxW6z/jEhs3trT8dmKgvX20wYSccH/7Ekcc/09Jnd6N3AuiCE922U5OdFLqOFhkORdQZP6uWisiiW7XoYNoY/Hzr8ZH+7s5/sw2w0MIpRyD+4Wlooxd8UDgThWA= 解密内容: hello world
RSA.import_Key()参数可以是bytes或string, 支持X509标准的公钥证书或者PKCS#1 DER编码的私钥证书，详细内容可见函数内的说明。