// Copyright 2026 Rose Hogenson <r@roseh.moe>
//
// This file is part of roseh.moe/pkg/kmac.
//
// roseh.moe/pkg/kmac is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at your
// option) any later version.
//
// roseh.moe/pkg/kmac is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// roseh.moe/pkg/kmac. If not, see <https://www.gnu.org/licenses/>.

package kmac

func Example_kdf() {
	inputKey := []byte(`A random or pseudorandom key, perhaps shared through ECDH or derived from a user password`)
	context := []byte(`A non-secret value; consider using a random salt`)
	const desiredKeyLen = 4096
	derivedKeyMaterial := make([]byte, desiredKeyLen)
	KMAC256(derivedKeyMaterial, inputKey, context, "KDF")
}