优化Crypt类加密逻辑及异常处理

Author: shulng

src/main/java/cc/baka9/catseedlogin/util/Crypt.java

@@ -9,29 +9,28 @@ public class Crypt {
 
     public static String encrypt(final String name, final String password) {
         String text = "ÜÄaeut//&/=I " + password + "7421€547" + name + "__+IÄIH§%NK " + password;
+        return byteArrayToHexString(hash(text));
+    }
+
+    private static byte[] hash(String text) {
         try {
             final MessageDigest md = MessageDigest.getInstance("SHA-512");
-            md.update(text.getBytes(StandardCharsets.UTF_8), 0, text.length());
-            return byteArrayToHexString(md.digest());
+            return md.digest(text.getBytes(StandardCharsets.UTF_8));
         } catch (final NoSuchAlgorithmException e) {
-            return null;
+            return new byte[0]; // 返回一个空字节数组，避免返回null
         }
     }
 
-    public static String byteArrayToHexString(byte[] args) {
-        char[] chars = new char[args.length * 2];
-        for (int i = 0; i < args.length; i++) {
-            chars[(i * 2)] = CRYPTCHARS[(args[i] >> 4 & 0xF)];
-            chars[(i * 2 + 1)] = CRYPTCHARS[(args[i] & 0xF)];
+    public static String byteArrayToHexString(byte[] bytes) {
+        char[] hexChars = new char[bytes.length * 2];
+        for (int i = 0; i < bytes.length; i++) {
+            hexChars[i * 2] = CRYPTCHARS[(bytes[i] >> 4) & 0xF];
+            hexChars[i * 2 + 1] = CRYPTCHARS[bytes[i] & 0xF];
         }
-        return new String(chars);
+        return new String(hexChars);
     }
 
     public boolean match(final String name, final String password, final String encrypted) {
-        try {
-            return encrypted.equals(encrypt(name, password));
-        } catch (final Exception e) {
-            return false;
-        }
+        return encrypted.equals(encrypt(name, password));
     }
 }