From 7c22ba0a21480f578dfe187c5126f6246bf03bd2 Mon Sep 17 00:00:00 2001
From: human-user <68408844+human-user@users.noreply.github.com.>
Date: Thu, 11 Jan 2024 16:43:15 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DBouncyCastleProvider=E5=AF=BC?=
 =?UTF-8?q?=E8=87=B4graalvm=E5=BA=94=E7=94=A8=E6=8A=A5=E9=94=99Unsupported?=
 =?UTF-8?q?FeatureError?=
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---
 .../main/java/cn/hutool/crypto/ProviderFactory.java | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/hutool-crypto/src/main/java/cn/hutool/crypto/ProviderFactory.java b/hutool-crypto/src/main/java/cn/hutool/crypto/ProviderFactory.java
index ff1ab1a0d..201dd5f1b 100644
--- a/hutool-crypto/src/main/java/cn/hutool/crypto/ProviderFactory.java
+++ b/hutool-crypto/src/main/java/cn/hutool/crypto/ProviderFactory.java
@@ -1,6 +1,7 @@
 package cn.hutool.crypto;
 
 import java.security.Provider;
+import java.security.Security;
 
 /**
  * Provider对象生产工厂类
@@ -14,6 +15,9 @@ import java.security.Provider;
  */
 public class ProviderFactory {
 
+	private ProviderFactory() {
+	}
+
 	/**
 	 * 创建Bouncy Castle 提供者<br>
 	 * 如果用户未引入bouncycastle库，则此方法抛出{@link NoClassDefFoundError} 异常
@@ -21,9 +25,12 @@ public class ProviderFactory {
 	 * @return {@link Provider}
 	 */
 	public static Provider createBouncyCastleProvider() {
-		final org.bouncycastle.jce.provider.BouncyCastleProvider provider = new org.bouncycastle.jce.provider.BouncyCastleProvider();
-		// issue#2631@Github
-		SecureUtil.addProvider(provider);
+		Provider provider = Security.getProvider(org.bouncycastle.jce.provider.BouncyCastleProvider.PROVIDER_NAME);
+		if (provider == null) {
+			provider = new org.bouncycastle.jce.provider.BouncyCastleProvider();
+			// issue#2631@Github
+			SecureUtil.addProvider(provider);
+		}
 		return provider;
 	}
 }