SM2.signHex改名为signHexFromHex，原名标记废弃，避免歧义

hutool-crypto/src/main/java/org/dromara/hutool/crypto/asymmetric/SM2.java

@@ -472,6 +472,29 @@ public class SM2 extends AbstractAsymmetricCrypto<SM2> {
 
 	// region ----- Sign and Verify
 
+	/**
+	 * 用私钥对信息生成数字签名
+	 *
+	 * @param dataHex 被签名的数据数据（Hex格式）
+	 * @return 签名
+	 * @since 5.8.33
+	 */
+	public String signHexFromHex(final String dataHex) {
+		return signHexFromHex(dataHex, null);
+	}
+
+	/**
+	 * 用私钥对信息生成数字签名
+	 *
+	 * @param dataHex 被签名的数据数据（Hex格式）
+	 * @param idHex   可以为null，若为null，则默认withId为字节数组:"1234567812345678".getBytes()
+	 * @return 签名
+	 * @since 5.8.33
+	 */
+	public String signHexFromHex(final String dataHex, final String idHex) {
+		return HexUtil.encodeStr(sign(HexUtil.decode(dataHex), HexUtil.decode(idHex)));
+	}
+
 	/**
 	 * 用私钥对信息生成数字签名
 	 *

hutool-crypto/src/test/java/org/dromara/hutool/crypto/asymmetric/SM2Test.java

@@ -226,7 +226,7 @@ public class SM2Test {
 		final String id = "31323334353637383132333435363738";
 
 		final SM2 sm2 = new SM2(d, x, y);
-		final String sign = sm2.signHex(HexUtil.decode(data), HexUtil.decode(id));
+		final String sign = sm2.signHexFromHex(data, id);
 		Assertions.assertTrue(sm2.verifyHex(data, sign));
 	}
 
@@ -249,7 +249,7 @@ public class SM2Test {
 		final String sign = "DCA0E80A7F46C93714B51C3EFC55A922BCEF7ECF0FE9E62B53BA6A7438B543A76C145A452CA9036F3CB70D7E6C67D4D9D7FE114E5367A2F6F5A4D39F2B10F3D6";
 		Assertions.assertTrue(sm2.verifyHex(data, sign));
 
-		final String sign2 = sm2.signHex(HexUtil.decode(data), HexUtil.decode(id));
+		final String sign2 = sm2.signHexFromHex(data, id);
 		Assertions.assertTrue(sm2.verifyHex(data, sign2));
 	}