"crypto/internal/fips140" _ "crypto/internal/fips140/check" "errors" "sync" ) func fipsPCT(k *PrivateKey) error { return fips140.PCT("Ed25519 sign and verify PCT", func() error { return pairwiseTest(k) }) } // pairwiseTest needs to be a top-level function declaration to let the calls // inline and their allocations not escape. func pairwiseTest(k *PrivateKey) error { msg := []byte("PCT") sig := Sign(k, msg) // Note that this runs pub.a.SetBytes. If we wanted to make key generation // in FIPS mode faster, we could...