io.Reader, b []byte) error { if _, ok := r.(DefaultReader); ok { Read(b) return nil } fips140.RecordNonApproved() randutil.MaybeReadByte(r) _, err := io.ReadFull(r, b) return err } // ReadWithReaderDeterm is like ReadWithReader, but it doesn't call // [randutil.MaybeReadByte] on non-default Readers. func ReadWithReaderDeterm(r io.Reader, b []byte) error { if _, ok := r.(DefaultReader); ok { Read(b) return nil } fips140.RecordNonApproved() _, err := io.ReadFull(r, b) return err } golang.org/fips140@v1...