"Pairwise Consistency Test" makes no sense if we just generated the // public key from an ephemeral private key. Moreover, there is no way to // check it aside from redoing the exact same computation again. SP 800-56A // Rev. 3, Section 5.6.2.1.4 acknowledges that, and doesn't require it. // However, ISO 19790:2012, Section 7.10.3.3 has a blanket requirement for a // PCT for all generated keys (AS10.35) and FIPS 140-3 IG 10.3.A, Additional // Comment 1 goes out of its way to say that "the PCT shall...