python rsa-oaep加密的範例程式碼

程式碼：

from Crypto.PublicKey import RSA
from Crypto.Cipher import PKCS1_OAEP
import base64
rsa_key_pair = RSA.generate(1024)
pubkey = rsa_key_pair.publickey().export_key()
privkey = rsa_key_pair.export_key()
print(pubkey.decode())
print(privkey.decode())

# 公鑰加密
text = "hello world"
rsa_pubkey = RSA.import_key(pubkey)
cipher_pub = PKCS1_OAEP.new(rsa_pubkey)
ciphervalue_enc = base64.b64encode(cipher_pub.encrypt(text.encode("utf-8")))
print("加密內容:n{}".format(ciphervalue_enc.decode()))

#私鑰解密
rsa_privkey = RSA.import_key(privkey)
cipher_priv = PKCS1_OAEP.new(rsa_privkey)
ciphervalue_dec = cipher_priv.decrypt(base64.b64decode(ciphervalue_enc))
print("解密內容:n{}".format(ciphervalue_dec.decode()))

輸出：

-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCk5RDTc88/13NClCz2u8JbERQZ
5+5oqdic9LkqfpHXguxBd31j6sV9zBurnT85O6+08D/eRCZj7DA3vR2pXziglDaJ
kUXNjuX0403NXHyNFugjbZyGfwr3r1V8B7ZCcyCZNW4V28naM0NF9jcVgb6haDQP
7k5ht92sQ7IJiXROKQIDAQAB
-----END PUBLIC KEY-----
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
加密內容:
Bod1WNuWMRky/bCZdNvWuCBYdMfejsEWqm08QwNxff3enwm1xxW6z/jEhs3trT8dmKgvX20wYSccH/7Ekcc/09Jnd6N3AuiCE922U5OdFLqOFhkORdQZP6uWisiiW7XoYNoY/Hzr8ZH+7s5/sw2w0MIpRyD+4Wlooxd8UDgThWA=
解密內容:
hello world

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