public static void DecryptFile(string inputFile, string outputFile, string keyIV)
{
byte[] array = new byte[32];
byte[] array2 = new byte[16];
AssetStoreUtils.HexStringToByteArray(keyIV, array, 0);
AssetStoreUtils.HexStringToByteArray(keyIV, array2, 64);
FileStream fileStream = File.Open(inputFile, FileMode.Open);
FileStream fileStream2 = File.Open(outputFile, FileMode.CreateNew);
AesManaged aesManaged = new AesManaged();
aesManaged.Key = array;
aesManaged.IV = array2;
CryptoStream cryptoStream = new CryptoStream(fileStream, aesManaged.CreateDecryptor(aesManaged.Key, aesManaged.IV), CryptoStreamMode.Read);
try
{
byte[] array3 = new byte[40960];
int count;
while ((count = cryptoStream.Read(array3, 0, array3.Length)) > 0)
{
fileStream2.Write(array3, 0, count);
}
}
finally
{
cryptoStream.Close();
fileStream.Close();
fileStream2.Close();
}
}
public static void DecryptFile(string inputFile, string outputFile, string keyIV)
{
byte[] array = new byte[32];
byte[] array2 = new byte[16];
AssetStoreUtils.HexStringToByteArray(keyIV, array, 0);
AssetStoreUtils.HexStringToByteArray(keyIV, array2, 64);
EditorUtility.DisplayProgressBar("Decrypting", "Decrypting package", 0f);
FileStream fileStream = File.Open(inputFile, FileMode.Open);
FileStream fileStream2 = File.Open(outputFile, FileMode.CreateNew);
long length = fileStream.Length;
long num = 0L;
AesManaged aesManaged = new AesManaged();
aesManaged.Key = array;
aesManaged.IV = array2;
CryptoStream cryptoStream = new CryptoStream(fileStream, aesManaged.CreateDecryptor(aesManaged.Key, aesManaged.IV), CryptoStreamMode.Read);
try
{
byte[] array3 = new byte[40960];
int num2;
while ((num2 = cryptoStream.Read(array3, 0, array3.Length)) > 0)
{
fileStream2.Write(array3, 0, num2);
num += (long)num2;
if (EditorUtility.DisplayCancelableProgressBar("Decrypting", "Decrypting package", (float)num / (float)length))
{
throw new Exception("User cancelled decryption");
}
}
}
finally
{
cryptoStream.Close();
fileStream.Close();
fileStream2.Close();
EditorUtility.ClearProgressBar();
}
}
