private static GetAesTransform ( byte key, byte iv, bool decrypt ) : ICryptoTransform | ||
key | byte | |
iv | byte | |
decrypt | bool | |
return | ICryptoTransform |
// Token: 0x060002CA RID: 714 RVA: 0x0002807C File Offset: 0x0002627C public static byte[] Unzip(byte[] byte_0) { Assembly callingAssembly = Assembly.GetCallingAssembly(); Assembly executingAssembly = Assembly.GetExecutingAssembly(); if (callingAssembly != executingAssembly && !SimpleZip.PublicKeysMatch(executingAssembly, callingAssembly)) { return(null); } SimpleZip.ZipStream zipStream = new SimpleZip.ZipStream(byte_0); byte[] array = new byte[0]; int num = zipStream.ReadInt(); if (num == 67324752) { short num2 = (short)zipStream.ReadShort(); int num3 = zipStream.ReadShort(); int num4 = zipStream.ReadShort(); if (num == 67324752 && num2 == 20 && num3 == 0) { if (num4 == 8) { zipStream.ReadInt(); zipStream.ReadInt(); zipStream.ReadInt(); int num5 = zipStream.ReadInt(); int num6 = zipStream.ReadShort(); int num7 = zipStream.ReadShort(); if (num6 > 0) { byte[] buffer = new byte[num6]; zipStream.Read(buffer, 0, num6); } if (num7 > 0) { byte[] buffer2 = new byte[num7]; zipStream.Read(buffer2, 0, num7); } byte[] array2 = new byte[zipStream.Length - zipStream.Position]; zipStream.Read(array2, 0, array2.Length); SimpleZip.Inflater inflater = new SimpleZip.Inflater(array2); array = new byte[num5]; inflater.Inflate(array, 0, array.Length); goto IL_265; } } throw new FormatException("Wrong Header Signature"); } int num8 = num >> 24; num -= num8 << 24; if (num == 8223355) { if (num8 == 1) { int num9 = zipStream.ReadInt(); array = new byte[num9]; int num11; for (int i = 0; i < num9; i += num11) { int num10 = zipStream.ReadInt(); num11 = zipStream.ReadInt(); byte[] array3 = new byte[num10]; zipStream.Read(array3, 0, array3.Length); new SimpleZip.Inflater(array3).Inflate(array, i, num11); } } if (num8 == 2) { byte[] byte_ = new byte[] { 72, 196, 226, 220, 77, 90, 77, 41 }; byte[] byte_2 = new byte[] { 17, 242, 176, 1, 248, 117, 118, 164 }; using (ICryptoTransform desTransform = SimpleZip.GetDesTransform(byte_, byte_2, true)) { array = SimpleZip.Unzip(desTransform.TransformFinalBlock(byte_0, 4, byte_0.Length - 4)); } } if (num8 != 3) { goto IL_265; } byte[] byte_3 = new byte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; byte[] byte_4 = new byte[] { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }; using (ICryptoTransform aesTransform = SimpleZip.GetAesTransform(byte_3, byte_4, true)) { array = SimpleZip.Unzip(aesTransform.TransformFinalBlock(byte_0, 4, byte_0.Length - 4)); goto IL_265; } } throw new FormatException("Unknown Header"); IL_265: zipStream.Close(); zipStream = null; return(array); }
// Token: 0x06000252 RID: 594 RVA: 0x00012F88 File Offset: 0x00011188 public static byte[] Unzip(byte[] A_0) { Assembly callingAssembly = Assembly.GetCallingAssembly(); Assembly executingAssembly = Assembly.GetExecutingAssembly(); if (callingAssembly != executingAssembly && !SimpleZip.PublicKeysMatch(executingAssembly, callingAssembly)) { return(null); } SimpleZip.ZipStream zipStream = new SimpleZip.ZipStream(A_0); byte[] array = new byte[0]; int num = zipStream.ReadInt(); if (num != 67324752) { int num2 = num >> 24; num -= num2 << 24; if (num == 8223355) { if (num2 == 1) { int num3 = zipStream.ReadInt(); array = new byte[num3]; int num5; for (int i = 0; i < num3; i += num5) { int num4 = zipStream.ReadInt(); num5 = zipStream.ReadInt(); byte[] array2 = new byte[num4]; zipStream.Read(array2, 0, array2.Length); new SimpleZip.Inflater(array2).Inflate(array, i, num5); } } if (num2 == 2) { byte[] array3 = new byte[] { 72, 196, 226, 220, 77, 90, 77, 41 }; byte[] array4 = new byte[] { 17, 242, 176, 1, 248, 117, 118, 164 }; using (ICryptoTransform desTransform = SimpleZip.GetDesTransform(array3, array4, true)) { array = SimpleZip.Unzip(desTransform.TransformFinalBlock(A_0, 4, A_0.Length - 4)); } } if (num2 != 3) { goto IL_287; } byte[] array5 = new byte[] { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; byte[] array6 = new byte[] { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2 }; using (ICryptoTransform aesTransform = SimpleZip.GetAesTransform(array5, array6, true)) { array = SimpleZip.Unzip(aesTransform.TransformFinalBlock(A_0, 4, A_0.Length - 4)); goto IL_287; } } throw new FormatException("Unknown Header"); } short num6 = (short)zipStream.ReadShort(); int num7 = zipStream.ReadShort(); int num8 = zipStream.ReadShort(); if (num != 67324752 || num6 != 20 || num7 != 0 || num8 != 8) { throw new FormatException("Wrong Header Signature"); } zipStream.ReadInt(); zipStream.ReadInt(); zipStream.ReadInt(); int num9 = zipStream.ReadInt(); int num10 = zipStream.ReadShort(); int num11 = zipStream.ReadShort(); if (num10 > 0) { byte[] buffer = new byte[num10]; zipStream.Read(buffer, 0, num10); } if (num11 > 0) { byte[] buffer2 = new byte[num11]; zipStream.Read(buffer2, 0, num11); } byte[] array7 = new byte[zipStream.Length - zipStream.Position]; zipStream.Read(array7, 0, array7.Length); SimpleZip.Inflater inflater = new SimpleZip.Inflater(array7); array = new byte[num9]; inflater.Inflate(array, 0, array.Length); IL_287: zipStream.Close(); zipStream = null; return(array); }