从char[]生成MD5散列

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class MD5Generator {
    public static String generateMD5(char[] input) {
        try {
            // 将char[]转换为字节数组
            String str = new String(input);
            byte[] bytes = str.getBytes();

            // 创建MD5散列对象
            MessageDigest md5 = MessageDigest.getInstance("MD5");

            // 更新散列值
            md5.update(bytes);

            // 计算散列值
            byte[] digest = md5.digest();

            // 将字节数组转换为十六进制字符串
            StringBuilder sb = new StringBuilder();
            for (byte b : digest) {
                sb.append(String.format("%02x", b));
            }

            return sb.toString();
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
            return null;
        }
    }

    public static void main(String[] args) {
        char[] input = {'h', 'e', 'l', 'l', 'o'};
        String md5Hash = generateMD5(input);
        System.out.println(md5Hash);
    }
}