if !ok {
			return errInvalidOID
		}
		der = appendBase128BigInt(der, b)
	}

	o.der = der
	return nil
}

// MarshalBinary implements [encoding.BinaryMarshaler]
func (o OID) MarshalBinary() ([]byte, error) {
	return bytes.Clone(o.der), nil
}

// UnmarshalBinary implements [encoding.BinaryUnmarshaler]
func (o *OID) UnmarshalBinary(b []byte) error {

// Package sha512 implements the SHA-384, SHA-512, SHA-512/224, and SHA-512/256
// hash algorithms as defined in FIPS 180-4.
//
// All the hash.Hash implementations returned by this package also
// implement encoding.BinaryMarshaler and encoding.BinaryUnmarshaler to
// marshal and unmarshal the internal state of the hash.
package sha512

import (
	"crypto"
	"crypto/internal/boring"
	"errors"
	"hash"
	"internal/byteorder"
)