digest.go

// Copyright (C) 2019-2025 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand.  If not, see <https://www.gnu.org/licenses/>.

package crypto

import "bytes"

// GenericDigest is a digest that implements CustomSizeDigest, and can be used as hash output.
//
//msgp:allocbound GenericDigest MaxHashDigestSize
type GenericDigest []byte

// ToSlice is used inside the Tree itself when interacting with TreeDigest
func (d GenericDigest) ToSlice() []byte { return d }

// IsEqual compare two digests
func (d GenericDigest) IsEqual(other GenericDigest) bool {
	return bytes.Equal(d, other)
}

// IsEmpty checks wether the generic digest is an empty one or not
func (d GenericDigest) IsEmpty() bool {
	return len(d) == 0
}