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  • Base64加密算法封装


    /// <summary>
    /// 实现Base64加密解密
    /// </summary>
    public sealed class Base64
    {
    /// <summary>
    /// Base64加密
    /// </summary>
    /// <param name="codeName">加密采用的编码方式</param>
    /// <param name="source">待加密的明文</param>
    /// <returns></returns>
    public static string EncodeBase64(Encoding encode, string source)
    {
        byte[] bytes = encode.GetBytes(source);
        string strEncode = string.Empty;
        try
        {
            strEncode = Convert.ToBase64String(bytes);
        }
        catch
        {
            strEncode = source;
        }
        return strEncode;
    }
     
    /// <summary>
    /// Base64加密,采用utf8编码方式加密
    /// </summary>
    /// <param name="source">待加密的明文</param>
    /// <returns>加密后的字符串</returns>
    public static string EncodeBase64(string source)
    {
    return EncodeBase64(Encoding.UTF8, source);
    }
     
    /// <summary>
    /// Base64解密
    /// </summary>
    /// <param name="codeName">解密采用的编码方式,注意和加密时采用的方式一致</param>
    /// <param name="result">待解密的密文</param>
    /// <returns>解密后的字符串</returns>
    public static string DecodeBase64(Encoding encode, string result)
    {
        string decode = "";
        byte[] bytes = Convert.FromBase64String(result);
        try
        {
            decode = encode.GetString(bytes);
        }
        catch
        {
            decode = result;
        }
        return decode;
    }
     
    /// <summary>
    /// Base64解密,采用utf8编码方式解密
    /// </summary>
    /// <param name="result">待解密的密文</param>
    /// <returns>解密后的字符串</returns>
        public static string DecodeBase64(string result)
        {
            return DecodeBase64(Encoding.UTF8, result);
        }
    }

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  • 原文地址:https://www.cnblogs.com/FredTang/p/5159307.html
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