forgejo/modules/util/keypair.go
KN4CK3R d987ac6bf1
Add Chef package registry (#22554)
This PR implements a [Chef registry](https://chef.io/) to manage
cookbooks. This package type was a bit complicated because Chef uses RSA
signed requests as authentication with the registry.


![grafik](https://user-images.githubusercontent.com/1666336/213747995-46819fd8-c3d6-45a2-afd4-a4c3c8505a4a.png)


![grafik](https://user-images.githubusercontent.com/1666336/213748145-d01c9e81-d4dd-41e3-a3cc-8241862c3166.png)

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
2023-02-06 09:49:21 +08:00

45 lines
1,020 B
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package util
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/pem"
)
// GenerateKeyPair generates a public and private keypair
func GenerateKeyPair(bits int) (string, string, error) {
priv, _ := rsa.GenerateKey(rand.Reader, bits)
privPem, err := pemBlockForPriv(priv)
if err != nil {
return "", "", err
}
pubPem, err := pemBlockForPub(&priv.PublicKey)
if err != nil {
return "", "", err
}
return privPem, pubPem, nil
}
func pemBlockForPriv(priv *rsa.PrivateKey) (string, error) {
privBytes := pem.EncodeToMemory(&pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: x509.MarshalPKCS1PrivateKey(priv),
})
return string(privBytes), nil
}
func pemBlockForPub(pub *rsa.PublicKey) (string, error) {
pubASN1, err := x509.MarshalPKIXPublicKey(pub)
if err != nil {
return "", err
}
pubBytes := pem.EncodeToMemory(&pem.Block{
Type: "PUBLIC KEY",
Bytes: pubASN1,
})
return string(pubBytes), nil
}