/// <summary>
/// 加密
/// </summary>
/// <param name="toEncryptString">待加密字符串</param>
/// <param name="publicKey">公钥</param>
/// <returns></returns>
public static string Encrypt(string toEncryptString, byte[] publicKey)
{
var dataToEncrypt = Encoding.UTF8.GetBytes(toEncryptString);
var data = Encrypt(dataToEncrypt, publicKey);
return(FormatConvertor.ToHexString(data));
}
/// <summary>
/// 解密
/// </summary>
/// <param name="hexCode">加密后数据</param>
/// <param name="privateKey">私钥</param>
/// <returns></returns>
public static string Decrypt(string hexCode, byte[] privateKey)
{
byte[] encryptedData = FormatConvertor.FromHexString(hexCode);
var data = Decrypt(encryptedData, privateKey);
return(Encoding.UTF8.GetString(data));
}
/// <summary>
/// 加密
/// </summary>
/// <param name="toEncryptString">待加密字符串</param>
/// <param name="publicKey">公钥</param>
/// <returns></returns>
public static string Encrypt(string toEncryptString, string publicKey)
{
var dataToEncrypt = Encoding.UTF8.GetBytes(toEncryptString);
var keyData = ConvertToBlob(publicKey, false);
var data = Encrypt(dataToEncrypt, keyData);
return(FormatConvertor.ToHexString(data));
}
/// <summary>
/// 解密
/// </summary>
/// <param name="hexCode">加密后数据</param>
/// <param name="privateKey">私钥</param>
/// <returns></returns>
public static string Decrypt(string hexCode, string privateKey)
{
byte[] encryptedData = FormatConvertor.FromHexString(hexCode);
var keyData = ConvertToBlob(privateKey, true);
var data = Decrypt(encryptedData, keyData);
return(Encoding.UTF8.GetString(data));
}
public static string Encrypt(System.IO.Stream inputStream)
{
using (var md5 = new MD5CryptoServiceProvider())
{
byte[] outputData = md5.ComputeHash(inputStream);
string result = FormatConvertor.ToHexString(outputData);
return(result);
}
}
public static string Encrypt(string text)
{
using (var md5 = new MD5CryptoServiceProvider())
{
byte[] inputData = Encoding.UTF8.GetBytes(text);
byte[] outputData = md5.ComputeHash(inputData);
string result = FormatConvertor.ToHexString(outputData);
return(result);
}
}
private static string SHA(string text, HashAlgorithm sha)
{
using (sha)
{
//将mystr转换成byte[]
byte[] dataToHash = Encoding.UTF8.GetBytes(text);
//Hash运算
byte[] dataHashed = sha.ComputeHash(dataToHash);
//将运算结果转换成string
return(FormatConvertor.ToHexString(dataHashed));
}
}
public static string Decrypt(string toDecrypt, string key = "")
{
if (string.IsNullOrEmpty(toDecrypt))
{
return(string.Empty);
}
byte[] keyArray = string.IsNullOrEmpty(key) ? defaultKey : Encoding.UTF8.GetBytes(key);
byte[] toDecryptArray = FormatConvertor.FromHexString(toDecrypt);
using (RijndaelManaged rDel = new RijndaelManaged())
{
using (ICryptoTransform cTransform = rDel.CreateDecryptor(keyArray, defaultIV))
{
byte[] resultArray = cTransform.TransformFinalBlock(toDecryptArray, 0, toDecryptArray.Length);
return(Encoding.UTF8.GetString(resultArray));
}
}
}
public static string Decrypt(string sInputString, string sKey = "")
{
if (string.IsNullOrEmpty(sInputString))
{
return(string.Empty);
}
byte[] data = FormatConvertor.FromHexString(sInputString);
using (DESCryptoServiceProvider DES = new DESCryptoServiceProvider())
{
byte[] key_iv = GetKeyBytes(sKey);
DES.Key = key_iv;
DES.IV = key_iv;
using (ICryptoTransform desencrypt = DES.CreateDecryptor())
{
byte[] result = desencrypt.TransformFinalBlock(data, 0, data.Length);
return(Encoding.UTF8.GetString(result));
}
}
}