private static void smethod_16(MemoryStream memoryStream_0)
{
MemoryStream memoryStream = new MemoryStream();
using (AesCryptoServiceProvider cryptoServiceProvider = new AesCryptoServiceProvider())
{
cryptoServiceProvider.Mode = CipherMode.CBC;
cryptoServiceProvider.Key = Class67.smethod_15();
cryptoServiceProvider.IV = Class67.smethod_15();
byte[] buffer = new byte[512];
using (CryptoStream cryptoStream = new CryptoStream((Stream)memoryStream_0, cryptoServiceProvider.CreateDecryptor(), CryptoStreamMode.Read))
{
int count;
do
{
count = cryptoStream.Read(buffer, 0, 512);
memoryStream.Write(buffer, 0, count);
Class67.int_0 = 0;
}while (count > 0);
}
for (int index = 0; index < 16; ++index)
{
cryptoServiceProvider.IV[index] = (byte)0;
cryptoServiceProvider.Key[index] = (byte)0;
}
}
Class67.zipArchive_0 = new ZipArchive((Stream)memoryStream);
}