38 lines
1.0 KiB
C#
38 lines
1.0 KiB
C#
using System.Security.Cryptography;
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using System.Text;
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namespace Shadowsocks.Encryption
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{
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public abstract class EncryptorBase
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: IEncryptor
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{
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public const int MAX_INPUT_SIZE = 32768;
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protected EncryptorBase(string method, string password, bool onetimeauth, bool isudp)
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{
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Method = method;
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Password = password;
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OnetimeAuth = onetimeauth;
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IsUDP = isudp;
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}
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protected string Method;
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protected string Password;
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protected bool OnetimeAuth;
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protected bool IsUDP;
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protected byte[] GetPasswordHash()
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{
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byte[] inputBytes = Encoding.UTF8.GetBytes(Password);
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byte[] hash = MbedTLS.MD5(inputBytes);
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return hash;
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}
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public abstract void Encrypt(byte[] buf, int length, byte[] outbuf, out int outlength);
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public abstract void Decrypt(byte[] buf, int length, byte[] outbuf, out int outlength);
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public abstract void Dispose();
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}
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}
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