PrivateKeySize = 64
	// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
	SignatureSize = 64
	// SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
	SeedSize = 32
)

// PublicKey is the type of Ed25519 public keys.
type PublicKey []byte

// Any methods implemented on PublicKey might need to also be implemented on

		if curveID == x25519Kyber768Draft00 {
			keyShareKeys.ecdhe, err = generateECDHEKey(config.rand(), X25519)
			if err != nil {
				return nil, nil, nil, err
			}
			seed := make([]byte, mlkem768.SeedSize)
			if _, err := io.ReadFull(config.rand(), seed); err != nil {
				return nil, nil, nil, err
			}
			keyShareKeys.kyber, err = mlkem768.NewKeyFromSeed(seed)
			if err != nil {
				return nil, nil, nil, err