Files
shadowsocks-windows/shadowsocks-csharp/Encryption/EncryptorBase.cs
T
破娃酱 ea9c7b093a Refine Encryption module (#717)
- use EncryptorInfo struct instead of Dictionary<string, int[]>>
2016-09-13 22:16:37 -05:00

53 lines
1.4 KiB
C#

using System.Text;
namespace Shadowsocks.Encryption
{
public struct EncryptorInfo
{
public string name;
public int key_size;
public int iv_size;
public int type;
public EncryptorInfo(string name, int key_size, int iv_size, int type)
{
this.name = name;
this.key_size = key_size;
this.iv_size = iv_size;
this.type = type;
}
}
public abstract class EncryptorBase
: IEncryptor
{
public const int MAX_INPUT_SIZE = 32768;
protected EncryptorBase(string method, string password, bool onetimeauth, bool isudp)
{
Method = method;
Password = password;
OnetimeAuth = onetimeauth;
IsUDP = isudp;
}
protected string Method;
protected string Password;
protected bool OnetimeAuth;
protected bool IsUDP;
protected byte[] GetPasswordHash()
{
byte[] inputBytes = Encoding.UTF8.GetBytes(Password);
byte[] hash = MbedTLS.MD5(inputBytes);
return hash;
}
public abstract void Encrypt(byte[] buf, int length, byte[] outbuf, out int outlength);
public abstract void Decrypt(byte[] buf, int length, byte[] outbuf, out int outlength);
public abstract void Dispose();
}
}