// Finalize the hash and return the final hash value.
protected override byte[] HashFinal()
{
// Bail out if the runtime engine does not have a provider.
if (state == IntPtr.Zero)
{
throw new CryptographicException
(_("Crypto_NoProvider"), "RIPEMD160");
}
// Compute the hash and return it.
byte[] hash = new byte [64];
lock (this)
{
CryptoMethods.HashFinal(state, hash);
}
return(hash);
}
