添加sm3对象消失时出发c程序释放内存

yxk123 · yxk123 · commit 7055f176537a · 2023-09-03T20:02:40.000+08:00
diff --git a/src/main/java/org/gmssl/Sm3.java b/src/main/java/org/gmssl/Sm3.java
@@ -9,7 +9,7 @@
 
 package org.gmssl;
 
-public class Sm3 {
+public class Sm3 implements AutoCloseable{
 
 	public final static int DIGEST_SIZE = GmSSLJNI.SM3_DIGEST_SIZE;
 
@@ -57,4 +57,9 @@ public byte[] digest() {
 		}
 		return dgst;
 	}
+
+	@Override
+	public void close() throws Exception {
+		GmSSLJNI.sm3_ctx_free(sm3_ctx);
+	}
 }

Original file line number	Diff line number	Diff line change
`@@ -9,7 +9,7 @@`
`9`	`9`
`10`	`10`	`package org.gmssl;`
`11`	`11`
`12`		`-public class Sm3 {`
	`12`	`+public class Sm3 implements AutoCloseable{`
`13`	`13`
`14`	`14`	`public final static int DIGEST_SIZE = GmSSLJNI.SM3_DIGEST_SIZE;`
`15`	`15`
`@@ -57,4 +57,9 @@ public byte[] digest() {`
`57`	`57`	`}`
`58`	`58`	`return dgst;`
`59`	`59`	`}`
	`60`	`+`
	`61`	`+ @Override`
	`62`	`+ public void close() throws Exception {`
	`63`	`+ GmSSLJNI.sm3_ctx_free(sm3_ctx);`
	`64`	`+ }`
`60`	`65`	`}`