fips140.RecordNonApproved() } switch h.inner.(type) { case *sha256.Digest, *sha512.Digest, *sha3.Digest: default: fips140.RecordNonApproved() } origLen := len(in) in = h.inner.Sum(in) if h.marshaled { if err := h.outer.(marshalable).UnmarshalBinary(h.opad); err != nil { panic(err) } } else { h.outer.Reset() h.outer.Write(h.opad) } h.outer.Write(in[origLen:]) return h.outer.Sum(in[:origLen]) } func (h *HMAC) Write(p []byte) (n int, err error) { return h.inner.Write(p) } func (h *HMAC) Size() int { return h.outer.Size()...