fix bug

hutool-crypto/src/main/java/cn/hutool/crypto/symmetric/SymmetricCrypto.java

@@ -300,9 +300,11 @@ public class SymmetricCrypto implements SymmetricEncryptor, SymmetricDecryptor,
 			throw new CryptoException(e);
 		} finally {
 			lock.unlock();
+			// issue#I4EMST@Gitee
+			// CipherOutputStream必须关闭，才能完全写出
+			IoUtil.close(cipherOutputStream);
 			if (isClose) {
 				IoUtil.close(data);
-				IoUtil.close(cipherOutputStream);
 			}
 		}
 	}
@@ -351,9 +353,11 @@ public class SymmetricCrypto implements SymmetricEncryptor, SymmetricDecryptor,
 			throw new CryptoException(e);
 		} finally {
 			lock.unlock();
+			// issue#I4EMST@Gitee
+			// CipherOutputStream必须关闭，才能完全写出
+			IoUtil.close(cipherInputStream);
 			if (isClose) {
 				IoUtil.close(data);
-				IoUtil.close(cipherInputStream);
 			}
 		}
 	}

hutool-crypto/src/test/java/cn/hutool/crypto/test/SmTest.java

@@ -81,4 +81,6 @@ public class SmTest {
 		String digest = hMac.digestHex(content);
 		Assert.assertEquals("493e3f9a1896b43075fbe54658076727960d69632ac6b6ed932195857a6840c6", digest);
 	}
+
+
 }

hutool-crypto/src/test/java/cn/hutool/crypto/test/symmetric/Sm4StreamTest.java

@@ -0,0 +1,51 @@
+package cn.hutool.crypto.test.symmetric;
+
+import cn.hutool.crypto.symmetric.SM4;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * https://gitee.com/dromara/hutool/issues/I4EMST
+ */
+public class Sm4StreamTest {
+
+	private static final SM4 sm4 = new SM4();
+
+	private static final boolean IS_CLOSE = false;
+
+	@Test
+	@Ignore
+	public void sm4Test(){
+		String source = "d:/test/sm4_1.txt";
+		String target = "d:/test/sm4_2.data";
+		String target2 = "d:/test/sm4_3.txt";
+		encrypt(source, target);
+		decrypt(target, target2);
+	}
+
+	public static void encrypt(String source, String target) {
+		try (InputStream input = new FileInputStream(source);
+			 OutputStream out = new FileOutputStream(target)) {
+			sm4.encrypt(input, out, IS_CLOSE);
+			System.out.println("============encrypt end");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+
+	public static void decrypt(String source, String target) {
+		try (InputStream input = new FileInputStream(source);
+			 OutputStream out = new FileOutputStream(target)) {
+			sm4.decrypt(input, out, IS_CLOSE);
+			System.out.println("============decrypt end");
+		} catch (IOException e) {
+			e.printStackTrace();
+		}
+	}
+}