minio/docs/debugging/inspect/utils.go

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// Copyright (c) 2015-2022 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// 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 main
import (
"crypto/rsa"
"crypto/x509"
"encoding/base64"
"encoding/pem"
"log"
)
func bytesToPrivateKey(priv []byte) (*rsa.PrivateKey, error) {
// Try PEM
if block, _ := pem.Decode(priv); block != nil {
return x509.ParsePKCS1PrivateKey(block.Bytes)
}
// Try base 64
dst := make([]byte, base64.StdEncoding.DecodedLen(len(priv)))
if n, err := base64.StdEncoding.Decode(dst, priv); err == nil {
return x509.ParsePKCS1PrivateKey(dst[:n])
}
// Try Raw, return error
return x509.ParsePKCS1PrivateKey(priv)
}
func fatalErr(err error) {
if err == nil {
return
}
log.Fatalln(err)
}
func fatalIf(b bool, msg string, v ...interface{}) {
if !b {
return
}
log.Fatalf(msg, v...)
}