python 實現RSA公鑰加密，私鑰解密

from Crypto.PublicKey import RSA
from Crypto.Cipher import PKCS1_v1_5 as Cipher_pkcs1_v1_5
from Crypto.Signature import PKCS1_v1_5 as Signature_pkcs1_v1_5
import base64

# 私鑰
private_key = '''-----BEGIN RSA PRIVATE KEY-----
5353dfggd
-----END RSA PRIVATE KEY-----
'''

# 公鑰
public_key = '''-----BEGIN PUBLIC KEY-----
hfgghftetet
-----END PUBLIC KEY-----'''
def rsa_encrypt(message):
    """校驗RSA加密 使用公鑰進行加密"""
    cipher = Cipher_pkcs1_v1_5.new(RSA.importKey(public_key))
    cipher_text = base64.b64encode(cipher.encrypt(message.encode())).decode()
    return cipher_text


def rsa_decrypt(text):
    """校驗RSA加密 使用私鑰進行解密"""
    cipher = Cipher_pkcs1_v1_5.new(RSA.importKey(private_key))
    retval = cipher.decrypt(base64.b64decode(text), 'ERROR').decode('utf-8')
    return retval

注意：

從后台獲取到的pubkey直接入參，會出現報錯：ValueError:RSA key format is not supported

 

 

正確應該如下方式

 

def rsa_encrypt(password:str,publickey):
    """校驗RSA加密 使用公鑰進行加密"""
    public_key = '-----BEGIN PUBLIC KEY-----\n'+ publickey +'\n-----END PUBLIC KEY-----'
    cipher = Cipher_pkcs1_v1_5.new(RSA.importKey(public_key))
    cipher_text = base64.b64encode(cipher.encrypt(password.encode())).decode()
    return cipher_text