40 lines
990 B
Go
40 lines
990 B
Go
|
/*
|
||
|
|
Copyright 2023 CAcert Inc.
|
||
|
|
SPDX-License-Identifier: Apache-2.0
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
https://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
package services
|
||
|
|
|
||
|
|
import (
|
||
|
|
"crypto/rand"
|
||
|
|
|
||
|
|
log "github.com/sirupsen/logrus"
|
||
|
|
)
|
||
|
|
|
||
|
|
func GenerateKey(length int) []byte {
|
||
|
|
key := make([]byte, length)
|
||
|
|
|
||
|
|
read, err := rand.Read(key)
|
||
|
|
if err != nil {
|
||
|
|
log.WithError(err).Fatal("could not generate key")
|
||
|
|
}
|
||
|
|
|
||
|
|
if read != length {
|
||
|
|
log.WithFields(log.Fields{"read": read, "expected": length}).Fatal("read unexpected number of bytes")
|
||
|
|
}
|
||
|
|
|
||
|
|
return key
|
||
|
|
}
|