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hash.go
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hash.go
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// Copyright (C) 2023 Gobalsky Labs Limited
//
// This program 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.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
package crypto
import (
"bytes"
"crypto/rand"
"encoding/hex"
"fmt"
"golang.org/x/crypto/sha3"
)
func Hash(key []byte) []byte {
hashFunc := sha3.New256()
hashFunc.Write(key)
return hashFunc.Sum(nil)
}
func HashBytesBuffer(key bytes.Buffer) []byte {
hashFunc := sha3.New256()
key.WriteTo(hashFunc)
return hashFunc.Sum(nil)
}
// HashToHex hash the input bytes and returns a hex encoded string of the result.
func HashToHex(data []byte) string {
return hex.EncodeToString(Hash(data))
}
// HashStrToHex hash a string returns a hex encoded string of the result.
func HashStrToHex(s string) string {
return hex.EncodeToString(Hash([]byte(s)))
}
func RandomHash() string {
data := make([]byte, 10)
if _, err := rand.Read(data); err != nil {
panic(fmt.Errorf("couldn't generate random string: %w", err))
}
return hex.EncodeToString(Hash(data))
}