/// <summary>
/// 解密
/// </summary>
/// <param name="password">密文密码</param>
/// <param name="key">用GenerateKey生成的密钥或自定义密钥，如果不指定密钥将使用内置的固定密钥. Key的长度不应超过32个字节</param>
/// <returns>明文密码</returns>
public static string Decrypt(string password, string key = "")
{
string result = "";
var decrypt = Convert.FromBase64String(password);
using (var rm = new RijndaelManaged())
{
key = string.IsNullOrEmpty(key) ? KEY : key;
rm.KeySize = 256;
rm.BlockSize = 128;
rm.Key = KeyGen.GenerateValidKey(key, 16, 32);
rm.Mode = CipherMode.ECB;
rm.Padding = PaddingMode.PKCS7;
using (var decryptor = rm.CreateDecryptor())
{
var blocks = decryptor.TransformFinalBlock(decrypt, 0, decrypt.Length);
result = Encoding.UTF8.GetString(blocks, 0, blocks.Length);
}
}
// 返回明文密码
return(result);
}
/// <summary>
/// 解密
/// </summary>
/// <param name="password">密文密码</param>
/// <param name="key">用GenerateKey生成的密钥或自定义密钥，如果不指定密钥将使用内置的固定密钥. Key的长度不应超过32个字节</param>
/// <returns>明文密码</returns>
public static string Decrypt(string password, string key = "")
{
string result = "";
var decrypt = Convert.FromBase64String(password);
using (var des = TripleDES.Create())
{
key = string.IsNullOrEmpty(key) ? KEY : key;
des.KeySize = 192;
des.BlockSize = 64;
des.Key = KeyGen.GenerateValidKey(key, 24, 24);
des.Mode = CipherMode.ECB;
des.Padding = PaddingMode.PKCS7;
using (var decryptor = des.CreateDecryptor())
{
var blocks = decryptor.TransformFinalBlock(decrypt, 0, decrypt.Length);
result = Encoding.UTF8.GetString(blocks, 0, blocks.Length);
}
}
// 返回明文密码
return(result);
}
/// <summary>
/// 加密
/// </summary>
/// <param name="data">数据</param>
/// <param name="key">用GenerateKey生成的密钥或自定义密钥，如果不指定密钥将使用内置的固定密钥. Key的长度不应超过32个字节</param>
/// <returns>密文数据</returns>
public static byte[] Encrypt(byte[] data, string key = "")
{
using (var rm = new RijndaelManaged())
{
key = string.IsNullOrEmpty(key) ? KEY : key;
rm.KeySize = 256;
rm.BlockSize = 128;
rm.Key = KeyGen.GenerateValidKey(key, 16, 32);
rm.Mode = CipherMode.ECB;
rm.Padding = PaddingMode.PKCS7;
using (var encryptor = rm.CreateEncryptor())
{
return(encryptor.TransformFinalBlock(data, 0, data.Length));
}
}
}
/// <summary>
/// 加密
/// </summary>
/// <param name="data">数据</param>
/// <param name="key">用GenerateKey生成的密钥或自定义密钥，如果不指定密钥将使用内置的固定密钥. Key的长度不应超过32个字节</param>
/// <returns>密文数据</returns>
public static byte[] Encrypt(byte[] data, string key = "")
{
using (var des = TripleDES.Create())
{
key = string.IsNullOrEmpty(key) ? KEY : key;
des.KeySize = 192;
des.BlockSize = 64;
des.Key = KeyGen.GenerateValidKey(key, 24, 24);
des.Mode = CipherMode.ECB;
des.Padding = PaddingMode.PKCS7;
using (var encryptor = des.CreateEncryptor())
{
return(encryptor.TransformFinalBlock(data, 0, data.Length));
}
}
}
