ach 签名

package.json

@@ -37,6 +37,7 @@
     "mini-svg-data-uri": "^1.4.4",
     "moment": "^2.30.1",
     "mysql2": "^3.9.2",
+    "node-forge": "^1.3.1",
     "node-rsa": "^1.1.1",
     "speakeasy": "^2.0.0",
     "svg-captcha": "^1.4.0",

src/modules/dj/service/channels/ach.ts

@@ -5,6 +5,7 @@ import * as moment from 'moment';
 import { Utils } from '../../../../comm/utils';
 import { HttpService } from '@midwayjs/axios';
 import { ILogger } from '@midwayjs/logger';
+import * as forge from 'node-forge';
 
 const HOST = "https://payment.alchemytech.cc";
 const MCH_ID = 'AC202299319';
@@ -117,7 +118,7 @@ export class AchService extends BaseService {
       param.payBankCode = extra.payBankCode;
     }
     const signStr = this.utils.signSort(param);
-    param.sign = this.utils.signByMD5WithRSA(signStr, PRIVATE_KEY);
+    param.sign = this.sign(PRIVATE_KEY, signStr);
     if (extra.idendifyType) {
       param.idendifyType = extra.idendifyType;
     }
@@ -143,6 +144,15 @@ export class AchService extends BaseService {
     }
   }
 
+  sign(privateKey: string, text: string): string {
+    const privateKeyPem = `-----BEGIN RSA PRIVATE KEY-----\n${privateKey.match(/.{1,64}/g).join('\n')}\n-----END RSA PRIVATE KEY-----\n`;
+    const privateKeyObj = forge.pki.privateKeyFromPem(privateKeyPem);
+    const md = forge.md.md5.create();
+    md.update(text, 'utf8');
+    const signature = privateKeyObj.sign(md);
+    return forge.util.encode64(signature);
+  }
+
   async query(payload) {
     const param: any = {
       merchantNo: MCH_ID,