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Add partial support (zcid, rtmr, non-functional kms4k) for vista

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Co-authored-by: InvoxiPlayGames <22731889+InvoxiPlayGames@users.noreply.github.com>
This commit is contained in:
WitherOrNot
2025-03-01 02:01:39 -05:00
parent 8aa1f9078d
commit 6d759899d8
24 changed files with 1023 additions and 347 deletions
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13
LibTSforge/Crypto/CryptoUtils.cs
View File

@@ -106,10 +106,21 @@ namespace LibTSforge.Crypto
public static bool HMACVerify(byte[] key, byte[] data, byte[] signature)
{
HMACSHA1 hmac = new HMACSHA1(key);
return Enumerable.SequenceEqual(signature, HMACSign(key, data));
}
public static byte[] SaltSHASum(byte[] salt, byte[] data)
{
SHA1 sha1 = SHA1.Create();
byte[] sha_data = salt.Concat(data).ToArray();
return sha1.ComputeHash(sha_data);
}
public static bool SaltSHAVerify(byte[] salt, byte[] data, byte[] checksum)
{
return Enumerable.SequenceEqual(checksum, SaltSHASum(salt, data));
}
public static byte[] SHA256Hash(byte[] data)
{
using (SHA256 sha256 = SHA256.Create())

25
LibTSforge/Crypto/PhysStoreCrypto.cs
View File

@@ -2,13 +2,15 @@ namespace LibTSforge.Crypto
{
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
public static class PhysStoreCrypto
{
public static byte[] DecryptPhysicalStore(byte[] data, bool production)
public static byte[] DecryptPhysicalStore(byte[] data, bool production, PSVersion version)
{
byte[] rsaKey = production ? Keys.PRODUCTION : Keys.TEST;
BinaryReader br = new BinaryReader(new MemoryStream(data));
@@ -20,13 +22,23 @@ namespace LibTSforge.Crypto
{
byte[] aesKey = CryptoUtils.RSADecrypt(rsaKey, encAesKey);
byte[] decData = CryptoUtils.AESDecrypt(br.ReadBytes((int)br.BaseStream.Length - 0x110), aesKey);
byte[] hmacKey = decData.Take(0x10).ToArray();
byte[] hmacSig = decData.Skip(0x10).Take(0x14).ToArray();
byte[] hmacKey = decData.Take(0x10).ToArray(); // SHA-1 salt on Vista
byte[] hmacSig = decData.Skip(0x10).Take(0x14).ToArray(); // SHA-1 hash on Vista
byte[] psData = decData.Skip(0x28).ToArray();
if (!CryptoUtils.HMACVerify(hmacKey, psData, hmacSig))
if (version != PSVersion.Vista)
{
Logger.WriteLine("Warning: Failed to verify HMAC. Physical store is either corrupt or in Vista format.");
if (!CryptoUtils.HMACVerify(hmacKey, psData, hmacSig))
{
throw new InvalidDataException("Failed to verify HMAC. Physical store is corrupt.");
}
}
else
{
if (!CryptoUtils.SaltSHAVerify(hmacKey, psData, hmacSig))
{
throw new InvalidDataException("Failed to verify checksum. Physical store is corrupt.");
}
}
return psData;
@@ -39,6 +51,7 @@ namespace LibTSforge.Crypto
{
Dictionary<PSVersion, int> versionTable = new Dictionary<PSVersion, int>
{
{PSVersion.Vista, 2},
{PSVersion.Win7, 5},
{PSVersion.Win8, 1},
{PSVersion.WinBlue, 2},
@@ -52,7 +65,7 @@ namespace LibTSforge.Crypto
byte[] encAesKey = CryptoUtils.RSAEncrypt(rsaKey, aesKey);
byte[] aesKeySig = CryptoUtils.RSASign(rsaKey, encAesKey);
byte[] hmacSig = CryptoUtils.HMACSign(hmacKey, data);
byte[] hmacSig = version != PSVersion.Vista ? CryptoUtils.HMACSign(hmacKey, data) : CryptoUtils.SaltSHASum(hmacKey, data);
byte[] decData = new byte[] { };
decData = decData.Concat(hmacKey).Concat(hmacSig).Concat(BitConverter.GetBytes(0)).Concat(data).ToArray();