mirror of
https://github.com/go-gitea/gitea
synced 2024-12-27 00:54:33 +01:00
e81ccc406b
Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package activitypub
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"crypto/rsa"
|
|
"crypto/x509"
|
|
"encoding/pem"
|
|
)
|
|
|
|
const rsaBits = 2048
|
|
|
|
// GenerateKeyPair generates a public and private keypair for signing actions by users for activitypub purposes
|
|
func GenerateKeyPair() (string, string, error) {
|
|
priv, _ := rsa.GenerateKey(rand.Reader, rsaBits)
|
|
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
|
|
}
|