增加二维码、条形码签名验签测试

src/main/java/com/sunyard/util/CertUtil.java

@@ -46,12 +46,14 @@ public class CertUtil {
         return (X509Certificate) CF.generateCertificate(new ByteArrayInputStream(certificateString.getBytes()));  // 将文件流的证书转化为证书类
     }
 
-    public static String convertToPem(X509Certificate cert) throws CertificateEncodingException {
+    public static String convertToPem(String cert) throws CertificateEncodingException {
 
         String cert_begin = "-----BEGIN CERTIFICATE-----\n";
         String end_cert = "\n-----END CERTIFICATE-----";
 
-        byte[] derCert = cert.getEncoded();
+       // byte[] derCert = cert.getEncoded();
+
+        byte[] derCert = cert.getBytes();
         String pemCertPre = new String(Base64.encode(derCert, true));
         String pemCert = cert_begin + pemCertPre + end_cert;
         return pemCert;
@@ -98,6 +100,25 @@ public class CertUtil {
         return signAlg.toUpperCase().indexOf("SM2") >= 0;
     }
 
+
+    public static String getDN(String cert) {
+        String pemCert;
+        if(cert.contains("-----BEGIN CERTIFICATE-----")){
+            pemCert =cert;
+        }else {
+            String cert_begin = "-----BEGIN CERTIFICATE-----\n";
+            String end_cert = "\n-----END CERTIFICATE-----";
+            pemCert = cert_begin + cert + end_cert;
+        }
+        X509Certificate certificate = null;
+        try {
+            certificate = convertToX509Cert(pemCert);
+        } catch (Exception e) {
+            throw new SydApiException( 0xC101, e );
+        }
+        return certificate.getSubjectDN().toString();
+    }
+
     /**
      * 判断 p7 是否是国密证书签的
      *