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/*
* Copyright © 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
*
* 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.
*
* @author Aeneas Rekkas <aeneas+oss@aeneas.io>
* @copyright 2015-2018 Aeneas Rekkas <aeneas+oss@aeneas.io>
* @license Apache-2.0
*/
package jwk
import (
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/x509"
"github.com/pborman/uuid"
"github.com/pkg/errors"
jose "gopkg.in/square/go-jose.v2"
)
type ECDSA512Generator struct{}
func (g *ECDSA512Generator) Generate(id, use string) (*jose.JSONWebKeySet, error) {
key, err := ecdsa.GenerateKey(elliptic.P521(), rand.Reader)
if err != nil {
return nil, errors.Errorf("Could not generate key because %s", err)
}
if id == "" {
id = uuid.New()
}
return &jose.JSONWebKeySet{
Keys: []jose.JSONWebKey{
{
Key: key,
Use: use,
KeyID: Ider("private", id),
Certificates: []*x509.Certificate{},
},
{
Key: &key.PublicKey,
Use: use,
KeyID: Ider("public", id),
Certificates: []*x509.Certificate{},
},
},
}, nil
}
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