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fixed CryptographicException: Length of the data to decrypt is invalid. when attempting to decrypt

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This commit is contained in:
Carson McManus 2016-08-22 17:11:13 -04:00
parent 374fe6c793
commit 6fab87b485
1 changed files with 6 additions and 7 deletions
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13
Manifest.cs
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@ -227,11 +227,11 @@ public class Manifest
{
string fileText = "";
Stream stream = null;
FileStream fileStream = File.OpenRead(Path.Combine(Program.SteamGuardPath, entry.Filename));
RijndaelManaged aes256;
if (this.Encrypted)
{
MemoryStream ms = new MemoryStream(Convert.FromBase64String(File.ReadAllText(Path.Combine(Program.SteamGuardPath, entry.Filename))));
byte[] key = GetEncryptionKey(passKey, entry.Salt);
aes256 = new RijndaelManaged
@ -243,21 +243,20 @@ public class Manifest
};
ICryptoTransform decryptor = aes256.CreateDecryptor(aes256.Key, aes256.IV);
stream = new CryptoStream(fileStream, decryptor, CryptoStreamMode.Read);
stream = new CryptoStream(ms, decryptor, CryptoStreamMode.Read);
}
else
{
FileStream fileStream = File.OpenRead(Path.Combine(Program.SteamGuardPath, entry.Filename));
stream = fileStream;
}
byte[] b = new byte[1024];
StringBuilder sb = new StringBuilder();
while (stream.Read(b,0,b.Length) > 0)
if (Program.Verbose) Console.WriteLine("Decrypting...");
using (StreamReader reader = new StreamReader(stream))
{
sb.Append(Encoding.UTF8.GetString(b));
fileText = reader.ReadToEnd();
}
stream.Close();
fileText = sb.ToString();
var account = JsonConvert.DeserializeObject<SteamAuth.SteamGuardAccount>(fileText);
if (account == null) continue;