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  • C# Java 通用MD5加密

    java 代码

        /***
         * MD5加码 生成32位md5码
         */
        public static String string2MD5(String inStr){
            MessageDigest md5 = null;
            try{
                md5 = MessageDigest.getInstance("MD5");
            }catch (Exception e){
                System.out.println(e.toString());
                e.printStackTrace();
                return "";
            }
            char[] charArray = inStr.toCharArray();
            byte[] byteArray = new byte[charArray.length];
    
            for (int i = 0; i < charArray.length; i++)
                byteArray[i] = (byte) charArray[i];
            byte[] md5Bytes = md5.digest(byteArray);
            StringBuffer hexValue = new StringBuffer();
            for (int i = 0; i < md5Bytes.length; i++){
                int val = ((int) md5Bytes[i]) & 0xff;
                if (val < 16)
                    hexValue.append("0");
                hexValue.append(Integer.toHexString(val));
            }
            return hexValue.toString();
    
        }
    

      

    C# 代码

            public static String md5(String s)
            {
                MD5 md5 = new MD5CryptoServiceProvider();
                byte[] bytes = System.Text.Encoding.UTF8.GetBytes(s);
                bytes = md5.ComputeHash(bytes);
                md5.Clear();
    
                string ret = "";
                for (int i = 0; i < bytes.Length; i++)
                {
                    ret += Convert.ToString(bytes[i], 16).PadLeft(2, '0');
                }
    
                return ret.PadLeft(32, '0');
            }

            /***
             * MD5加码 生成32位md5码
             */
            public static String string2MD5(String inStr)
            {
                MD5 md5 = null;
                try
                {
                    md5 = MD5.Create("MD5");
                }
                catch (Exception e)
                {
                    return "";
                }
                char[] charArray = inStr.ToCharArray();
                byte[] byteArray = new byte[charArray.Length];
    
                for (int i = 0; i < charArray.Length; i++)
                    byteArray[i] = (byte)charArray[i];
                byte[] md5Bytes = md5.ComputeHash(byteArray);
                StringBuilder hexValue = new StringBuilder();
                for (int i = 0; i < md5Bytes.Length; i++)
                {
                    int val = ((int)md5Bytes[i]) & 0xff;
                    if (val < 16)
                        hexValue.Append("0");
                    
                    hexValue.Append(String.Format("{0:X}", val));
                }
                return hexValue.ToString();
    
            }
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  • 原文地址:https://www.cnblogs.com/for917157ever/p/14070725.html
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