mirror of
https://github.com/go-gitea/gitea.git
synced 2024-11-24 20:17:03 +01:00
fc2d75f86d
Enable [unparam](https://github.com/mvdan/unparam) linter. Often I could not tell the intention why param is unused, so I put `//nolint` for those cases like webhook request creation functions never using `ctx`. --------- Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: delvh <dev.lh@web.de>
58 lines
1.3 KiB
Go
58 lines
1.3 KiB
Go
// Copyright 2021 The Gitea Authors. All rights reserved.
|
|
// SPDX-License-Identifier: MIT
|
|
|
|
package util
|
|
|
|
import (
|
|
"crypto"
|
|
"crypto/rand"
|
|
"crypto/rsa"
|
|
"crypto/sha256"
|
|
"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 := pemBlockForPriv(priv)
|
|
pubPem, err := pemBlockForPub(&priv.PublicKey)
|
|
if err != nil {
|
|
return "", "", err
|
|
}
|
|
return privPem, pubPem, nil
|
|
}
|
|
|
|
func pemBlockForPriv(priv *rsa.PrivateKey) string {
|
|
privBytes := pem.EncodeToMemory(&pem.Block{
|
|
Type: "RSA PRIVATE KEY",
|
|
Bytes: x509.MarshalPKCS1PrivateKey(priv),
|
|
})
|
|
return string(privBytes)
|
|
}
|
|
|
|
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
|
|
}
|
|
|
|
// CreatePublicKeyFingerprint creates a fingerprint of the given key.
|
|
// The fingerprint is the sha256 sum of the PKIX structure of the key.
|
|
func CreatePublicKeyFingerprint(key crypto.PublicKey) ([]byte, error) {
|
|
bytes, err := x509.MarshalPKIXPublicKey(key)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
checksum := sha256.Sum256(bytes)
|
|
|
|
return checksum[:], nil
|
|
}
|