226 lines
7.5 KiB
C#
226 lines
7.5 KiB
C#
using System;
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using System.Configuration;
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using System.Security.Cryptography;
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using System.Text;
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namespace HZQR.Common
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{
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/// <summary>
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/// 商业集团会员系统相关方法
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/// </summary>
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public class ZJZCGCMemberHelper
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{
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#region 商业集团会员接口服务地址
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internal const string _ApiURL = "https://hywx.zcgc.cn/api/open/do";
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/// <summary>
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/// 商业集团会员接口服务地址
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/// </summary>
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public static string ApiURL
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{
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get
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{
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if (ConfigurationManager.AppSettings["ApiURL"] == null)
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{
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return _ApiURL;
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}
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else
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{
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return ConfigurationManager.AppSettings["ApiURL"];
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}
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}
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}
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#endregion
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#region 商业集团会员接口AppId
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internal const string _AppId = "AK202209070148347162";
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/// <summary>
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/// 商业集团会员接口AppId
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/// </summary>
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public static string AppId
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{
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get
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{
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if (ConfigurationManager.AppSettings["AppId"] == null)
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{
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return _AppId;
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}
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else
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{
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return ConfigurationManager.AppSettings["AppId"];
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}
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}
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}
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#endregion
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#region 商业集团会员接口AppSecret
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internal const string _AppSecret = "0ae62dc278de2ada91808ac501e81171";
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/// <summary>
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/// 商业集团会员接口AppSecret
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/// </summary>
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public static string AppSecret
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{
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get
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{
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if (ConfigurationManager.AppSettings["AppSecret"] == null)
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{
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return _AppSecret;
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}
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else
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{
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return ConfigurationManager.AppSettings["AppSecret"];
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}
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}
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}
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#endregion
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#region AES加密
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/// <summary>
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/// AES加密
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/// </summary>
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/// <param name="text">明文</param>
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/// <param name="key">密钥,长度为16的字符串</param>
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/// <param name="iv">偏移量,长度为16的字符串</param>
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/// <param name="isHex">
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/// <para>True：输出Hex格式密文</para>
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/// <para>False：输出Base64格式密文</para>
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/// </param>
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/// <returns>密文</returns>
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public static string AESEncrypt(string text, string key, string iv = "", bool isHex = false)
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{
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if (key.Length > 16)
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{
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key = key.Substring(0, 16);
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}
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//密码转换Byte数据
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byte[] pwdBytes = Encoding.UTF8.GetBytes(key);
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//使用加密后的密钥对数据进行AES加密
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AesManaged rijndaelCipher = new AesManaged
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{
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Mode = CipherMode.ECB,
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Padding = PaddingMode.PKCS7,
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KeySize = 128,
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BlockSize = 128,
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Key = pwdBytes
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};
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if (!string.IsNullOrWhiteSpace(iv))
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{
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byte[] ivBytes = Encoding.UTF8.GetBytes(iv);
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rijndaelCipher.IV = ivBytes;//需要IV的启用这两句
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}
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ICryptoTransform transform = rijndaelCipher.CreateEncryptor();
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byte[] plainText = Encoding.UTF8.GetBytes(text);
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byte[] cipherBytes = transform.TransformFinalBlock(plainText, 0, plainText.Length);
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if (isHex)
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return ToHex(cipherBytes);//输出为hex即启用此句，注释上一句
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else
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return Convert.ToBase64String(cipherBytes);//输出为Base64即启用此句，注释下一句
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}
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#endregion
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#region AES解密
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/// <summary>
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/// AES解密
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/// </summary>
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/// <param name="text">密文</param>
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/// <param name="key">密钥,长度为16的字符串</param>
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/// <param name="iv">偏移量,长度为16的字符串</param>
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/// <param name="isHex">
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/// <para>True：输入Hex格式密文</para>
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/// <para>False：输入Base64格式密文</para></param>
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/// <returns>明文</returns>
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public static string AESDecrypt(string text, string key, string iv = "", bool isHex = false)
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{
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if (key.Length > 16)
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{
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key = key.Substring(0, 16);
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}
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byte[] pwdBytes = Encoding.UTF8.GetBytes(key);
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AesManaged rijndaelCipher = new AesManaged
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{
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Mode = CipherMode.ECB,
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Padding = PaddingMode.PKCS7,
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KeySize = 128,
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BlockSize = 128,
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Key = pwdBytes
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};
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if (!string.IsNullOrWhiteSpace(iv))
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{
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byte[] ivBytes = Encoding.UTF8.GetBytes(iv);
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rijndaelCipher.IV = ivBytes;//需要IV的启用这两句
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}
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byte[] encryptedData;
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if (isHex)
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encryptedData = UnHex(text);//输出为hex即启用此句，注释上一句
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else
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encryptedData = Convert.FromBase64String(text);//输出为Base64即启用此句，注释下一句
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ICryptoTransform transform = rijndaelCipher.CreateDecryptor();
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byte[] plainText = transform.TransformFinalBlock(encryptedData, 0, encryptedData.Length);
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return Encoding.UTF8.GetString(plainText);
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}
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#endregion
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#region Hex与byte转码
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/// <summary>
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/// 从字符串转换到16进制表示的字符串
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/// </summary>
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/// <param name="bytes">需要转码的byte</param>
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/// <returns>返回结果</returns>
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private static string ToHex(byte[] bytes)
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{
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string str = string.Empty;
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if (bytes != null || bytes.Length > 0)
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{
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for (int i = 0; i < bytes.Length; i++)
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{
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str += string.Format("{0:X2}", bytes[i]);
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}
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}
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return str.ToLower();
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}
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/// <summary>
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/// 从16进制转换成utf编码的字符串
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/// </summary>
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/// <param name="hex">需要转码的hex</param>
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/// <returns></returns>
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public static byte[] UnHex(string hex)
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{
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if (hex == null)
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throw new ArgumentNullException("hex");
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hex = hex.Replace(",", "");
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hex = hex.Replace("\n", "");
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hex = hex.Replace("\\", "");
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hex = hex.Replace(" ", "");
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if (hex.Length % 2 != 0)
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{
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hex += "20";//空格
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throw new ArgumentException("hex is not a valid number!", "hex");
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}
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// 需要将 hex 转换成 byte 数组。
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byte[] bytes = new byte[hex.Length / 2];
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for (int i = 0; i < bytes.Length; i++)
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{
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try
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{
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// 每两个字符是一个 byte。
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bytes[i] = byte.Parse(hex.Substring(i * 2, 2),
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System.Globalization.NumberStyles.HexNumber);
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}
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catch
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{
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// Rethrow an exception with custom message.
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throw new ArgumentException("hex is not a valid hex number!", "hex");
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}
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}
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return bytes;
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}
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#endregion
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}
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}
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