From f81a6bb9ba3fa9cf2f3c11d1cb3f4892a8f90abc Mon Sep 17 00:00:00 2001
From: Kaito Udagawa <umireon@gmail.com>
Date: Wed, 10 Apr 2024 16:44:50 +0900
Subject: [PATCH] Update JsignJcaProvider.java

---
 .../src/main/java/net/jsign/jca/JsignJcaProvider.java      | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/jsign-core/src/main/java/net/jsign/jca/JsignJcaProvider.java b/jsign-core/src/main/java/net/jsign/jca/JsignJcaProvider.java
index 2e470dc8..6bdc3d21 100644
--- a/jsign-core/src/main/java/net/jsign/jca/JsignJcaProvider.java
+++ b/jsign-core/src/main/java/net/jsign/jca/JsignJcaProvider.java
@@ -102,7 +102,12 @@ static class JsignJcaKeyStore extends AbstractKeyStoreSpi {
         public JsignJcaKeyStore(KeyStoreType type, String keystore) {
             builder.storetype(type);
             builder.keystore(keystore);
-            builder.certfile("");
+            String certfile = System.getProperty("jsign.certfile");
+            if (certfile == null) {
+                builder.certfile("");
+            } else {
+                builder.certfile(certfile);
+            }
         }
 
         private KeyStore getKeyStore() throws KeyStoreException {