in src/vtok_p11/src/crypto/key.rs [183:189]
fn ec_key(&self) -> Result<*const ffi::EC_KEY> {
let ec = unsafe { ffi::EVP_PKEY_get0_EC_KEY(self.as_ptr()) };
if ec.is_null() {
return Err(Error::BadKeyType);
}
Ok(ec)
}