中国银行网上银行支付需要签名，中国银行提供的DEMO没有php环境的-Bank of China online banking to pay need to be signed, the Bank of China to provide the DEMO php environment

银行金融算法MAC。CBC，Tables defined in the Data Encryption Standard documents MAC_DES原始函数组-Bank financial algorithm MAC. CBC, the Tables defined in the Data Encryption Standard documents MAC_DES original function group