Java内容重新整理删除过期的东西

Java/JavaDemo/codedemo/encrypt/HmacSha1.java

@@ -0,0 +1,53 @@
+package cn.aofeng.demo.encrypt;
+
+import static cn.aofeng.demo.util.LogUtil.log;
+
+import java.io.UnsupportedEncodingException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.InvalidKeyException;
+import java.security.NoSuchAlgorithmException;
+
+import javax.crypto.BadPaddingException;
+import javax.crypto.IllegalBlockSizeException;
+import javax.crypto.Mac;
+import javax.crypto.NoSuchPaddingException;
+import javax.crypto.SecretKey;
+
+import org.apache.commons.codec.binary.Base64;
+
+/**
+ * HMAC-SHA1签名算法。
+ * 
+ * @author <a href="mailto:aofengblog@163.com">聂勇</a>
+ */
+public class HmacSha1 {
+
+    public final String encryptType = "HmacSHA1";
+    public final String key = "abcdefgh_1234567";
+    
+    public void execute(String data) throws UnsupportedEncodingException, 
+            NoSuchAlgorithmException, InvalidKeyException {
+        EncryptAndDecrypt ead = new EncryptAndDecrypt();
+        
+        byte[] srcData = data.getBytes(EncryptAndDecrypt.CHARSET);
+        SecretKey secretKey = ead.createSecretKey(encryptType, key);   // 生成密钥对象
+        Mac mac = Mac.getInstance(encryptType);
+        mac.init(secretKey);
+        byte[] result = mac.doFinal(srcData);  
+        
+        log("使用%s签名后的数据：", encryptType);
+        log(Base64.encodeBase64String(result));
+    }
+    
+    public static void main(String[] args) throws InvalidKeyException, 
+            UnsupportedEncodingException, IllegalBlockSizeException, 
+            BadPaddingException, NoSuchAlgorithmException, 
+            NoSuchPaddingException, InvalidAlgorithmParameterException {
+        String data = "炎黄，汉字，english,do it,abcdefghijklmnopqrstuvwxyz,0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ, ~!@#$%^&*()_+=-";
+        log("待签名的数据：\n%s", data);
+
+        HmacSha1 hs = new HmacSha1();
+        hs.execute(data);
+    }
+
+}