From 422ce004788f52783431df4f6e7cc7c4f8c0763a Mon Sep 17 00:00:00 2001
From: Liang Long <54536224+GRain-long@users.noreply.github.com>
Date: Tue, 16 Jun 2020 12:15:36 +0800
Subject: [PATCH] modify BaseAsymmetric.java
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修改了getPrivateKeyBase64()方法，防止因未传入私钥而带来的空指针异常。
---
 .../main/java/cn/hutool/crypto/asymmetric/BaseAsymmetric.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hutool-crypto/src/main/java/cn/hutool/crypto/asymmetric/BaseAsymmetric.java b/hutool-crypto/src/main/java/cn/hutool/crypto/asymmetric/BaseAsymmetric.java
index 023d9b9b0..bd8469257 100644
--- a/hutool-crypto/src/main/java/cn/hutool/crypto/asymmetric/BaseAsymmetric.java
+++ b/hutool-crypto/src/main/java/cn/hutool/crypto/asymmetric/BaseAsymmetric.java
@@ -143,7 +143,8 @@ public class BaseAsymmetric<T extends BaseAsymmetric<T>> {
 	 * @return 获得私钥
 	 */
 	public String getPrivateKeyBase64() {
-		return Base64.encode(getPrivateKey().getEncoded());
+		final PrivateKey privateKey = getPrivateKey();
+		return (null == privateKey) ? null : Base64.encode(privateKey.getEncoded());
 	}
 
 	/**