C# (CSharp) ElleWorld.Core.Cryptography SARC4 예제들

예제 #1

파일: WoWCrypt.cs 프로젝트: LuigiElleBalotta/ElleServer

        public void Initialize(byte[] sessionKey, byte[] clientSeed, byte[] serverSeed)
        {
            IsInitialized = false;

            if (IsInitialized)
            {
                throw new InvalidOperationException("PacketCrypt already initialized!");
            }

            SARC4Encrypt = new SARC4();
            SARC4Decrypt = new SARC4();

            var decryptSHA1 = new HMACSHA1(serverSeed);
            var encryptSHA1 = new HMACSHA1(clientSeed);

            SARC4Encrypt.PrepareKey(encryptSHA1.ComputeHash(sessionKey));
            SARC4Decrypt.PrepareKey(decryptSHA1.ComputeHash(sessionKey));

            var PacketEncryptionDummy = new byte[0x400];
            var PacketDecryptionDummy = new byte[0x400];

            SARC4Encrypt.ProcessBuffer(PacketEncryptionDummy, PacketEncryptionDummy.Length);
            SARC4Decrypt.ProcessBuffer(PacketDecryptionDummy, PacketDecryptionDummy.Length);

            IsInitialized = true;
        }

예제 #2

파일: WoWCrypt.cs 프로젝트: LuigiElleBalotta/ElleServer

        public WoWCrypt(byte[] sessionKey)
        {
            IsInitialized = false;

            if (IsInitialized)
                throw new InvalidOperationException("PacketCrypt already initialized!");

            SARC4Encrypt = new SARC4();
            SARC4Decrypt = new SARC4();

            var decryptSHA1 = new HMACSHA1(ServerDecryptionKey);
            var encryptSHA1 = new HMACSHA1(ServerEncryptionKey);

            SARC4Encrypt.PrepareKey(encryptSHA1.ComputeHash(sessionKey));
            SARC4Decrypt.PrepareKey(decryptSHA1.ComputeHash(sessionKey));

            var PacketEncryptionDummy = new byte[0x400];
            var PacketDecryptionDummy = new byte[0x400];

            SARC4Encrypt.ProcessBuffer(PacketEncryptionDummy, PacketEncryptionDummy.Length);
            SARC4Decrypt.ProcessBuffer(PacketDecryptionDummy, PacketDecryptionDummy.Length);

            IsInitialized = true;
        }