GEEKING

Client.LegacyAssemblies/Roblox.Common/Roblox/HashFunctions.cs

@@ -0,0 +1,55 @@
+using System.IO;
+using System.Security.Cryptography;
+using System.Text;
+
+namespace Roblox;
+
+public static class HashFunctions
+{
+	public static string HashToString(byte[] rawHash)
+	{
+		StringBuilder stringBuilder = new StringBuilder();
+		for (int i = 0; i < 16; i++)
+		{
+			string twoChars = rawHash[i].ToString("x");
+			if (twoChars.Length == 1)
+			{
+				stringBuilder.AppendFormat("0{0}", twoChars);
+			}
+			else
+			{
+				stringBuilder.AppendFormat(twoChars);
+			}
+		}
+		return stringBuilder.ToString();
+	}
+
+	public static byte[] ComputeHash(Stream buffer)
+	{
+		long pos = buffer.Position;
+		buffer.Seek(0L, SeekOrigin.Begin);
+		byte[] result;
+		using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
+		{
+			result = md5.ComputeHash(buffer);
+		}
+		buffer.Seek(pos, SeekOrigin.Begin);
+		return result;
+	}
+
+	public static byte[] ComputeHash(byte[] data)
+	{
+		using MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
+		return md5.ComputeHash(data);
+	}
+
+	public static string ComputeHashString(byte[] data)
+	{
+		return HashToString(ComputeHash(data));
+	}
+
+	public static string ComputeHashString(Stream buffer)
+	{
+		return HashToString(ComputeHash(buffer));
+	}
+}