WIP: sign with ed25519 PKCS11 keys

.github/workflows/build.yml

@@ -15,7 +15,7 @@ on:
 env:
   GOPATH: /opt/go
   PATH: /opt/go/bin:/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin:/usr/local/sbin
-  GO_VER: 1.24.2
+  GO_VER: 1.25.2
 
 jobs:
   unit-tests:

bccsp/pkcs11/ed25519key.go

@@ -0,0 +1,97 @@
+/*
+Copyright IBM Corp. 2016 All Rights Reserved.
+
+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 pkcs11
+
+import (
+	"crypto/ed25519"
+	"crypto/x509"
+	"errors"
+	"fmt"
+
+	"github.com/hyperledger/fabric-lib-go/bccsp"
+)
+
+type ed25519PrivateKey struct {
+	ski []byte
+	pub ed25519PublicKey
+}
+
+// Bytes converts this key to its byte representation,
+// if this operation is allowed.
+func (k *ed25519PrivateKey) Bytes() ([]byte, error) {
+	return nil, errors.New("Not supported.")
+}
+
+// SKI returns the subject key identifier of this key.
+func (k *ed25519PrivateKey) SKI() []byte {
+	return k.ski
+}
+
+// Symmetric returns true if this key is a symmetric key,
+// false if this key is asymmetric
+func (k *ed25519PrivateKey) Symmetric() bool {
+	return false
+}
+
+// Private returns true if this key is a private key,
+// false otherwise.
+func (k *ed25519PrivateKey) Private() bool {
+	return true
+}
+
+// PublicKey returns the corresponding public key part of an asymmetric public/private key pair.
+// This method returns an error in symmetric key schemes.
+func (k *ed25519PrivateKey) PublicKey() (bccsp.Key, error) {
+	return &k.pub, nil
+}
+
+type ed25519PublicKey struct {
+	ski []byte
+	pub *ed25519.PublicKey
+}
+
+// Bytes converts this key to its byte representation,
+// if this operation is allowed.
+func (k *ed25519PublicKey) Bytes() (raw []byte, err error) {
+	raw, err = x509.MarshalPKIXPublicKey(*(k.pub))
+	if err != nil {
+		return nil, fmt.Errorf("Failed marshalling key [%s]", err)
+	}
+	return
+}
+
+// SKI returns the subject key identifier of this key.
+func (k *ed25519PublicKey) SKI() []byte {
+	return k.ski
+}
+
+// Symmetric returns true if this key is a symmetric key,
+// false if this key is asymmetric
+func (k *ed25519PublicKey) Symmetric() bool {
+	return false
+}
+
+// Private returns true if this key is a private key,
+// false otherwise.
+func (k *ed25519PublicKey) Private() bool {
+	return false
+}
+
+// PublicKey returns the corresponding public key part of an asymmetric public/private key pair.
+// This method returns an error in symmetric key schemes.
+func (k *ed25519PublicKey) PublicKey() (bccsp.Key, error) {
+	return k, nil
+}