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Updated to .Net Core 3.1

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This commit is contained in:
hondacrx
2019-12-06 22:53:04 -05:00
parent 8c30f80048
commit 67ae576192
7 changed files with 18 additions and 43 deletions
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Source/Framework/Cryptography/PacketCrypt.cs
+8 -30
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@@ -15,7 +15,6 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
using Security.Cryptography;
using System;
using System.Security.Cryptography;
@@ -31,46 +30,25 @@ namespace Framework.Cryptography
if (IsInitialized)
throw new InvalidOperationException("PacketCrypt already initialized!");
_clientDecrypt = new AuthenticatedAesCng();
_clientDecrypt.Key = key;
_clientDecrypt.CngMode = CngChainingMode.Gcm;
_clientDecrypt.TagSize = 96;
_serverEncrypt = new AuthenticatedAesCng();
_serverEncrypt.Key = key;
_serverEncrypt.CngMode = CngChainingMode.Gcm;
_serverEncrypt.TagSize = 96;
_serverEncrypt = new AesGcm(key);
_clientDecrypt = new AesGcm(key);
IsInitialized = true;
}
public bool Encrypt(ref byte[] data, int length, ref byte[] tag)
public bool Encrypt(ref byte[] data, ref byte[] tag)
{
if (IsInitialized)
{
_serverEncrypt.IV = BitConverter.GetBytes(_serverCounter).Combine(BitConverter.GetBytes(0x52565253));
using (IAuthenticatedCryptoTransform encryptor = _serverEncrypt.CreateAuthenticatedEncryptor())
{
data = encryptor.TransformFinalBlock(data, 0, length);
tag = encryptor.GetTag();
}
}
_serverEncrypt.Encrypt(BitConverter.GetBytes(_serverCounter).Combine(BitConverter.GetBytes(0x52565253)), data, data, tag);
++_serverCounter;
return true;
}
public bool Decrypt(ref byte[] data, int length, byte[] tag)
public bool Decrypt(ref byte[] data, byte[] tag)
{
if (IsInitialized)
{
_clientDecrypt.IV = BitConverter.GetBytes(_clientCounter).Combine(BitConverter.GetBytes(0x544E4C43));
_clientDecrypt.Tag = tag;
using (ICryptoTransform decryptor = _clientDecrypt.CreateDecryptor())
data = decryptor.TransformFinalBlock(data, 0, length);
}
_clientDecrypt.Decrypt(BitConverter.GetBytes(_clientCounter).Combine(BitConverter.GetBytes(0x544E4C43)), data, tag, data);
++_clientCounter;
return true;
@@ -83,8 +61,8 @@ namespace Framework.Cryptography
public bool IsInitialized { get; set; }
AuthenticatedAesCng _clientDecrypt;
AuthenticatedAesCng _serverEncrypt;
AesGcm _serverEncrypt;
AesGcm _clientDecrypt;
ulong _clientCounter;
ulong _serverCounter;
}