pc = Prpcrypt(self.key)
ret, xml_content = pc.decrypt(encrypt, self.m_sReceiveId)
官方代码中这两句是不是有问题的啊?
def decrypt(self, text, receiveid):
"""对解密后的明文进行补位删除
@param text: 密文
@return: 删除填充补位后的明文
"""
try:
cryptor = AES.new(self.key, self.mode, self.key[:16])
# 使用BASE64对密文进行解码,然后AES-CBC解密
plain_text = cryptor.decrypt(base64.b64decode(text))
except Exception as e:
logger = logging.getLogger()
logger.error(e)
return ierror.WXBizMsgCrypt_DecryptAES_Error, None
try:
pad = plain_text[-1]
# 去掉补位字符串
# pkcs7 = PKCS7Encoder()
# plain_text = pkcs7.encode(plain_text)
# 去除16位随机字符串
content = plain_text[16:-pad]
xml_len = socket.ntohl(struct.unpack("I", content[: 4])[0])
xml_content = content[4: xml_len + 4]
from_receiveid = content[xml_len + 4:]
except Exception as e:
logger = logging.getLogger()
logger.error(e)
return ierror.WXBizMsgCrypt_IllegalBuffer, None
if from_receiveid.decode('utf8') != receiveid:
return ierror.WXBizMsgCrypt_ValidateCorpid_Error, None
return 0, xml_content