forked from Kopano-dev/konnect
/
jwk.go
44 lines (37 loc) · 1.06 KB
/
jwk.go
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/*
* Copyright 2017-2019 Kopano and its licensors
*
* 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.
*
*/
package signing
import (
"crypto"
"encoding/base64"
jwk "github.com/mendsley/gojwk"
"golang.org/x/crypto/ed25519"
)
// JWKFromPublicKey creates a JWK from a public key
func JWKFromPublicKey(key crypto.PublicKey) (*jwk.Key, error) {
switch key := key.(type) {
case ed25519.PublicKey:
jwt := &jwk.Key{
Kty: "OKP",
Crv: "Ed25519",
X: base64.RawURLEncoding.EncodeToString(key),
}
return jwt, nil
default:
return jwk.PublicKey(key)
}
}