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/
keys.go
62 lines (52 loc) · 1.54 KB
/
keys.go
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/*
Copyright 2017 Codem8s.
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
http://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 generate
import (
"crypto/rsa"
"crypto/x509"
"encoding/pem"
"fmt"
"io/ioutil"
)
// This file implements necessary functions to load/parse RSA key pair.
// LoadPrivateKey parse key in PEM format and returns *rsa.PrivateKey.
func LoadPrivateKey(path string) (*rsa.PrivateKey, error) {
bytes, err := ioutil.ReadFile(path)
if err != nil {
fmt.Println(err)
return nil, err
}
block, _ := pem.Decode([]byte(bytes))
privateKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
fmt.Println(err)
return nil, err
}
return privateKey, nil
}
// LoadPublicKey parse key in PEM format and returns *rsa.PublicKey.
func LoadPublicKey(path string) (*rsa.PublicKey, error) {
bytes, err := ioutil.ReadFile(path)
if err != nil {
fmt.Println(err)
return nil, err
}
block, _ := pem.Decode([]byte(bytes))
publicKey, err := x509.ParsePKIXPublicKey(block.Bytes)
rsaPubKey := publicKey.(*rsa.PublicKey)
if err != nil {
fmt.Println(err)
return nil, err
}
return rsaPubKey, nil
}