/// <summary>
/// 解密数据
/// </summary>
/// <param name="Text"></param>
/// <param name="sKey"></param>
/// <returns></returns>
public static string Decrypt(string Text, string sKey)
{
var des = Aes.Create();
int len;
len = Text.Length / 2;
byte[] inputByteArray = new byte[len];
int x, i;
for (x = 0; x < len; x++)
{
i = Convert.ToInt32(Text.Substring(x * 2, 2), 16);
inputByteArray[x] = (byte)i;
}
string md5 = Md5.Create(sKey, 32);
string md5X4 = md5.Substring(16);
des.Key = ASCIIEncoding.ASCII.GetBytes(md5X4);
des.IV = ASCIIEncoding.ASCII.GetBytes(md5X4);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
return(Encoding.ASCII.GetString(ms.ToArray()));
}
/// <summary>
/// create sign -- base
/// </summary>
/// <param name="apiKey"></param>
/// <param name="secretKey"></param>
/// <param name="paramDict"></param>
/// <returns></returns>
private Dictionary <string, string> CreateSign_Base(string apiKey, string secretKey, Dictionary <string, string> paramDict)
{
try
{
paramDict.Remove("sign");
var newDict = paramDict.OrderBy(item => item.Key);
var buffer = new StringBuilder();
var i = 0;
foreach (var s in newDict)
{
buffer.AppendFormat(i > 0 ? "&{0}={1}" : "{0}={1}", s.Key, s.Value);
i++;
}
var sk = paramDict.Where(c => c.Key == "secret_key");
if (!sk.Any())
{
buffer.Append($"&secret_key={secretKey}");
}
var sign = Md5.Create(buffer.ToString(), 32);
buffer.Clear();
paramDict.Add("sign", sign);
return(paramDict);
}
catch (Exception ex)
{
var mess = new StringBuilder();
mess.AppendLine("sign error ：");
mess.AppendLine(ex.Message);
Log.Error(mess);
return(null);
}
}
/// <summary>
/// 加密数据
/// </summary>
/// <param name="Text"></param>
/// <param name="sKey"></param>
/// <returns></returns>
public static string Encrypt(string Text, string sKey)
{
var des = Aes.Create();
byte[] inputByteArray;
inputByteArray = Encoding.ASCII.GetBytes(Text);
string md5 = Md5.Create(sKey, 32);
string md5X4 = md5.Substring(16);
des.Key = ASCIIEncoding.ASCII.GetBytes(md5X4);
des.IV = ASCIIEncoding.ASCII.GetBytes(md5X4);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
StringBuilder ret = new StringBuilder();
foreach (byte b in ms.ToArray())
{
ret.AppendFormat("{0:X2}", b);
}
return(ret.ToString());
}