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59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
// Copyright 2018 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package licenseutil
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//go:generate license-keygen -out testdata/id_ed25519
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//go:generate license-create -in testdata/id_ed25519 -out testdata/license.txt -cus cus_CxoyqaC4p4Hjl0 -sub sub_A4l9XkCxyZPcS2
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import (
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"encoding/base64"
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"io/ioutil"
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"golang.org/x/crypto/ed25519"
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)
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// ReadPublicKey reads a base64-encoded public key file.
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func ReadPublicKey(path string) (ed25519.PublicKey, error) {
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return nil, err
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}
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return DecodePublicKey(data)
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}
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// ReadPrivateKey reads a base64-encoded private key file.
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func ReadPrivateKey(path string) (ed25519.PrivateKey, error) {
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return nil, err
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}
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return DecodePrivateKey(data)
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}
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// DecodePublicKey decodes a base64-encoded private key.
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func DecodePublicKey(data []byte) (ed25519.PublicKey, error) {
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decoded, err := decode(data)
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if err != nil {
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return nil, err
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}
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return ed25519.PublicKey(decoded), nil
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}
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// DecodePrivateKey decodes a base64-encoded private key.
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func DecodePrivateKey(data []byte) (ed25519.PrivateKey, error) {
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decoded, err := decode(data)
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if err != nil {
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return nil, err
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}
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return ed25519.PrivateKey(decoded), nil
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}
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func decode(b []byte) ([]byte, error) {
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enc := base64.StdEncoding
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buf := make([]byte, enc.DecodedLen(len(b)))
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n, err := enc.Decode(buf, b)
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return buf[:n], err
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}
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