initial commit

2026-08-27 10:55:23 -06:00
commit d03dc0bce1
356 changed files with 18535 additions and 0 deletions
@@ -0,0 +1,66 @@
+using System;
+using System.IO;
+
+namespace Intelix.Helper;
+
+public static class ParseKeyBlob
+{
+	public static BlobParsedData Parse(byte[] blobData)
+	{
+		using MemoryStream memoryStream = new MemoryStream(blobData);
+		using BinaryReader binaryReader = new BinaryReader(memoryStream);
+		uint count = binaryReader.ReadUInt32();
+		binaryReader.ReadBytes((int)count);
+		uint num = binaryReader.ReadUInt32();
+		_ = memoryStream.Position;
+		byte[] array = null;
+		byte[] iv = null;
+		byte[] ciphertext = null;
+		byte[] tag = null;
+		if (num == 32)
+		{
+			array = binaryReader.ReadBytes(32);
+			return new BlobParsedData
+			{
+				Flag = 32,
+				Iv = iv,
+				Ciphertext = ciphertext,
+				Tag = tag,
+				EncryptedAesKey = array
+			};
+		}
+		byte b = binaryReader.ReadByte();
+		switch (b)
+		{
+		case 1:
+		case 2:
+			iv = binaryReader.ReadBytes(12);
+			ciphertext = binaryReader.ReadBytes(32);
+			tag = binaryReader.ReadBytes(16);
+			return new BlobParsedData
+			{
+				Flag = b,
+				Iv = iv,
+				Ciphertext = ciphertext,
+				Tag = tag,
+				EncryptedAesKey = null
+			};
+		case 3:
+		case 35:
+			array = binaryReader.ReadBytes(32);
+			iv = binaryReader.ReadBytes(12);
+			ciphertext = binaryReader.ReadBytes(32);
+			tag = binaryReader.ReadBytes(16);
+			return new BlobParsedData
+			{
+				Flag = b,
+				Iv = iv,
+				Ciphertext = ciphertext,
+				Tag = tag,
+				EncryptedAesKey = array
+			};
+		default:
+			throw new Exception();
+		}
+	}
+}