From the statement of Trump's lawyer:
So, they're accusing Comey of having committed perjury today.
Also
Haha there is nothing illegal about disclosing a conversation with the President as long as it wasn't regarding classified materials, which this clearly wasn't.
Once again, Trump & Co. demonstrate their stupidity.
While this does give good feels to the President and his cult, it's a failure in big ways.
For one, it gives the appearance that the WH agrees that Comey's statements are damaging to the President. They're a "big deal" in Trumpspeak. They're giving Comey the same kind of help the media gave Trump during the election.
Another is that it makes the WH look powerless. This isn't going to stand up legally, and even if it did, it's not going to silence Comey or remove his testimony. There's a line about never giving an order you know won't be obeyed. The Trump WH is like a toddler throwing a tantrum - they're just making themselves look bad (but letting themselves feel good in the short term).