Files
mesh-delivery/modules/mesh-delivery-view/vendor/github.com/nats-io/nkeys/public.go
T
jschoubben 0dbe8f9a32 Derive the delivery view's rows from the have, assignments and builds buckets (issue 1134)
The operator sees per module and node what is assigned, what the node reports and what it waits on; a have with no open assignment is left behind, never running.
2026-10-18 19:31:50 +02:00

89 lines
2.4 KiB
Go

// Copyright 2018-2024 The NATS Authors
// 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 nkeys
import (
"crypto/ed25519"
"crypto/rand"
"io"
)
// A KeyPair from a public key capable of verifying only.
type pub struct {
pre PrefixByte
pub ed25519.PublicKey
}
// PublicKey will return the encoded public key associated with the KeyPair.
// All KeyPairs have a public key.
func (p *pub) PublicKey() (string, error) {
pk, err := Encode(p.pre, p.pub)
if err != nil {
return "", err
}
return string(pk), nil
}
// Seed will return an error since this is not available for public key only KeyPairs.
func (p *pub) Seed() ([]byte, error) {
return nil, ErrPublicKeyOnly
}
// PrivateKey will return an error since this is not available for public key only KeyPairs.
func (p *pub) PrivateKey() ([]byte, error) {
return nil, ErrPublicKeyOnly
}
// Sign will return an error since this is not available for public key only KeyPairs.
func (p *pub) Sign(input []byte) ([]byte, error) {
return nil, ErrCannotSign
}
// Verify will verify the input against a signature utilizing the public key.
func (p *pub) Verify(input []byte, sig []byte) error {
if len(p.pub) != ed25519.PublicKeySize {
return ErrInvalidPublicKey
}
if !ed25519.Verify(p.pub, input, sig) {
return ErrInvalidSignature
}
return nil
}
// Wipe will randomize the public key and erase the pre byte.
func (p *pub) Wipe() {
p.pre = '0'
io.ReadFull(rand.Reader, p.pub)
}
func (p *pub) Seal(input []byte, recipient string) ([]byte, error) {
if p.pre == PrefixByteCurve {
return nil, ErrCannotSeal
}
return nil, ErrInvalidNKeyOperation
}
func (p *pub) SealWithRand(input []byte, _recipient string, rr io.Reader) ([]byte, error) {
if p.pre == PrefixByteCurve {
return nil, ErrCannotSeal
}
return nil, ErrInvalidNKeyOperation
}
func (p *pub) Open(input []byte, sender string) ([]byte, error) {
if p.pre == PrefixByteCurve {
return nil, ErrCannotOpen
}
return nil, ErrInvalidNKeyOperation
}