From d98224cbd089bd7c7a90d36ccff7566ccdddac01 Mon Sep 17 00:00:00 2001
From: micah <micah.com.cn@gmail.com>
Date: Fri, 12 Mar 2021 11:25:06 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0HmacSha256=E5=8A=A0=E5=AF=86?=
 =?UTF-8?q?=E6=96=B9=E6=B3=95?=
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---
 .../java/cn/hutool/crypto/SecureUtil.java     | 39 +++++++++++++++++++
 1 file changed, 39 insertions(+)

diff --git a/hutool-crypto/src/main/java/cn/hutool/crypto/SecureUtil.java b/hutool-crypto/src/main/java/cn/hutool/crypto/SecureUtil.java
index 17c0da0f2..f82f7139b 100644
--- a/hutool-crypto/src/main/java/cn/hutool/crypto/SecureUtil.java
+++ b/hutool-crypto/src/main/java/cn/hutool/crypto/SecureUtil.java
@@ -737,6 +737,45 @@ public final class SecureUtil {
 		return new HMac(HmacAlgorithm.HmacSHA1);
 	}
 
+	/**
+	 * HmacSHA256加密器<br>
+	 * 例：<br>
+	 * HmacSHA256加密：hmacSha256(key).digest(data)<br>
+	 * HmacSHA256加密并转为16进制字符串：hmacSha256(key).digestHex(data)<br>
+	 *
+	 * @param key 加密密钥，如果为{@code null}生成随机密钥
+	 * @return {@link HMac}
+	 * @since 3.3.0
+	 */
+	public static HMac hmacSha256(String key) {
+		return hmacSha256(StrUtil.utf8Bytes(key));
+	}
+
+	/**
+	 * HmacSHA256加密器<br>
+	 * 例：<br>
+	 * HmacSHA256加密：hmacSha256(key).digest(data)<br>
+	 * HmacSHA256加密并转为16进制字符串：hmacSha256(key).digestHex(data)<br>
+	 *
+	 * @param key 加密密钥，如果为{@code null}生成随机密钥
+	 * @return {@link HMac}
+	 */
+	public static HMac hmacSha256(byte[] key) {
+		return new HMac(HmacAlgorithm.HmacSHA256, key);
+	}
+
+	/**
+	 * HmacSHA256加密器，生成随机KEY<br>
+	 * 例：<br>
+	 * HmacSHA256加密：hmacSha256().digest(data)<br>
+	 * HmacSHA256加密并转为16进制字符串：hmacSha256().digestHex(data)<br>
+	 *
+	 * @return {@link HMac}
+	 */
+	public static HMac hmacSha256() {
+		return new HMac(HmacAlgorithm.HmacSHA256);
+	}
+
 	// ------------------------------------------------------------------- 非称加密算法
 
 	/**