// -*- go -*-
//
// Copyright (c) 2021-2024 Markku Rossi
//
// All rights reserved.
//

// Package hmac implements Keyed-Hash Message Authentication Code
// (HMAC) functions as defined in RFC 2104. All functions take the
// data that is authenticated and an authentication key.
//
//	signature := hmac.SumSHA256([]byte("message"), []byte("abc"))
//	=> 859cc656e12c0ecd0afdd7e3d034c3ee81609fcac1b454c231211c7ac69895e8
package hmac