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Update On Tue Dec 31 19:31:58 CET 2024

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2024-12-31 19:31:59 +01:00
parent 24d7dba717
commit a3e7f86215
576 changed files with 22919 additions and 15080 deletions
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97
shadowsocks-windows/shadowsocks-csharp/Encryption/EncryptorBase.cs Normal file
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namespace Shadowsocks.Encryption
{
public class EncryptorInfo
{
public int KeySize;
public int IvSize;
public int SaltSize;
public int TagSize;
public int NonceSize;
public int Type;
public string InnerLibName;
// For those who make use of internal crypto method name
// e.g. mbed TLS
#region Stream ciphers
public EncryptorInfo(string innerLibName, int keySize, int ivSize, int type)
{
this.KeySize = keySize;
this.IvSize = ivSize;
this.Type = type;
this.InnerLibName = innerLibName;
}
public EncryptorInfo(int keySize, int ivSize, int type)
{
this.KeySize = keySize;
this.IvSize = ivSize;
this.Type = type;
this.InnerLibName = string.Empty;
}
#endregion
#region AEAD ciphers
public EncryptorInfo(string innerLibName, int keySize, int saltSize, int nonceSize, int tagSize, int type)
{
this.KeySize = keySize;
this.SaltSize = saltSize;
this.NonceSize = nonceSize;
this.TagSize = tagSize;
this.Type = type;
this.InnerLibName = innerLibName;
}
public EncryptorInfo(int keySize, int saltSize, int nonceSize, int tagSize, int type)
{
this.KeySize = keySize;
this.SaltSize = saltSize;
this.NonceSize = nonceSize;
this.TagSize = tagSize;
this.Type = type;
this.InnerLibName = string.Empty;
}
#endregion
}
public abstract class EncryptorBase
: IEncryptor
{
public const int MAX_INPUT_SIZE = 32768;
public const int MAX_DOMAIN_LEN = 255;
public const int ADDR_PORT_LEN = 2;
public const int ADDR_ATYP_LEN = 1;
public const int ATYP_IPv4 = 0x01;
public const int ATYP_DOMAIN = 0x03;
public const int ATYP_IPv6 = 0x04;
public const int MD5_LEN = 16;
protected EncryptorBase(string method, string password)
{
Method = method;
Password = password;
}
protected string Method;
protected string Password;
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 EncryptUDP(byte[] buf, int length, byte[] outbuf, out int outlength);
public abstract void DecryptUDP(byte[] buf, int length, byte[] outbuf, out int outlength);
public abstract void Dispose();
public int AddrBufLength { get; set; } = - 1;
}
}