type hmac struct {
	opad, ipad   []byte
	outer, inner hash.Hash

	// If marshaled is true, then opad and ipad do not contain a padded
	// copy of the key, but rather the marshaled state of outer/inner after
	// opad/ipad has been fed into it.
	marshaled bool
}

func (h *hmac) Sum(in []byte) []byte {
	origLen := len(in)
	in = h.inner.Sum(in)

	if h.marshaled {
		if err := h.outer.(marshalable).UnmarshalBinary(h.opad); err != nil {

				if !ok {
					t.Errorf("#%d: failed to create value", i)
					break
				}

				m1 := v.Interface().(handshakeMessage)
				marshaled := mustMarshal(t, m1)
				if !m.unmarshal(marshaled) {
					t.Errorf("#%d failed to unmarshal %#v %x", i, m1, marshaled)
					break
				}

				if m, ok := m.(*SessionState); ok {
					m.activeCertHandles = nil
				}

						}
					}
				}
			case "yaml":
				if marshaled, err := yaml.Marshal(&version); err == nil {
					_, _ = fmt.Fprintln(cmd.OutOrStdout(), string(marshaled))
				}
			case "json":
				if marshaled, err := json.MarshalIndent(&version, "", "  "); err == nil {
					_, _ = fmt.Fprintln(cmd.OutOrStdout(), string(marshaled))
				}
			}

			return nil
		},
	}

		b := marshalCorpusFile(x1)
		t.Logf("marshaled math.Float64frombits(0x%x):\n%s", u1, b)

		xs, err := unmarshalCorpusFile(b)
		if err != nil {
			t.Fatal(err)
		}
		if len(xs) != 1 {
			t.Fatalf("unmarshaled %d values", len(xs))
		}
		x2 := xs[0].(float64)
		u2 := math.Float64bits(x2)
		if u2 != u1 {
			t.Errorf("unmarshaled %v (bits 0x%x)", x2, u2)
		}
	})
}

	return t, nil
}

// Marshal returns the ASN.1 encoding of val.
//
// In addition to the struct tags recognized by Unmarshal, the following can be
// used:
//
//	ia5:         causes strings to be marshaled as ASN.1, IA5String values
//	omitempty:   causes empty slices to be skipped
//	printable:   causes strings to be marshaled as ASN.1, PrintableString values

			continue
		}
		reserialised, err := MarshalPKCS8PrivateKey(privKey)
		if err != nil {
			t.Errorf("%s: failed to marshal into PKCS#8: %s", test.name, err)
			continue
		}
		if !bytes.Equal(derBytes, reserialised) {
			t.Errorf("%s: marshaled PKCS#8 didn't match original: got %x, want %x", test.name, reserialised, derBytes)
			continue
		}

// to prevent anyone from marshaling these internal structs.

var _ = json.Marshaler(&AvoidPods{})
var _ = json.Unmarshaler(&AvoidPods{})

// MarshalJSON panics to prevent marshalling of internal structs
func (AvoidPods) MarshalJSON() ([]byte, error) { panic("do not marshal internal struct") }

const floatGobVersion byte = 1

// GobEncode implements the [encoding/gob.GobEncoder] interface.
// The [Float] value and all its attributes (precision,
// rounding mode, accuracy) are marshaled.
func (x *Float) GobEncode() ([]byte, error) {
	if x == nil {
		return nil, nil
	}

	// determine max. space (bytes) required for encoding
	sz := 1 + 1 + 4 // version + mode|acc|form|neg (3+2+2+1bit) + prec

			if err != nil {
				t.Fatalf("did not expect encoding error but got: %v", err)
			}
			marshaled, err := yaml.Marshal(&encoded)
			if err != nil {
				t.Fatalf("did not expect yaml marshalling error but got: %v", err)
			}
			if !reflect.DeepEqual(string(marshaled), test) {
				t.Fatalf("expected:\n%v\nbut got:\n%v", test, string(marshaled))
			}
		})
	}
}

func TestBuildManagerIdentifier(t *testing.T) {

import (
	"encoding"
	"io"
	"testing"
)

type test struct {
	outISO        uint64
	outECMA       uint64
	in            string
	halfStateISO  string // ISO marshaled hash state after first half of in written, used by TestGoldenMarshal
	halfStateECMA string // ECMA marshaled hash state after first half of in written, used by TestGoldenMarshal
}

var golden = []test{