Add a simple signer script to sign releases
lawl
4 years ago
parent
dc506ee6cb
commit
38348b8d2f
@ -0,0 +1,106 @@
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package main
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import (
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"crypto"
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"encoding/base64"
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"golang.org/x/crypto/ed25519"
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)
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func main() {
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var doGenerate bool
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flag.BoolVar(&doGenerate, "g", false, "Generate a keypair")
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var doPrintPub bool
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flag.BoolVar(&doPrintPub, "p", false, "Print the pub key")
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var doSign bool
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flag.BoolVar(&doSign, "s", false, "Sign the release tar")
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var doVerify bool
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flag.BoolVar(&doVerify, "v", false, "Verify the signature of the tar")
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flag.Parse()
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if doGenerate {
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generateKeypair()
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os.Exit(0)
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}
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if doPrintPub {
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pub, _ := loadKeys()
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fmt.Printf("Public key: %s\n", base64.StdEncoding.EncodeToString(pub))
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os.Exit(0)
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}
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if doSign {
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_, priv := loadKeys()
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file, err := ioutil.ReadFile("bin/NoiseTorch_x64.tgz")
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if err != nil {
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panic(err)
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}
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sig, err := priv.Sign(nil, file, crypto.Hash(0))
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if err != nil {
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panic(err)
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}
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if err := ioutil.WriteFile("bin/NoiseTorch_x64.tgz.sig", sig, 0644); err != nil {
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panic(err)
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}
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os.Exit(0)
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}
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if doVerify {
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pubStr := "3mL+rBi4yBZ1wGimQ/oSQCjxELzgTh+673H4JdzQBOk="
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pub, err := base64.StdEncoding.DecodeString(pubStr)
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if err != nil {
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panic(err)
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}
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file, err := ioutil.ReadFile("bin/NoiseTorch_x64.tgz")
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if err != nil {
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panic(err)
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}
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sig, err := ioutil.ReadFile("bin/NoiseTorch_x64.tgz.sig")
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if err != nil {
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panic(err)
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}
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verified := ed25519.Verify(pub, file, sig)
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fmt.Printf("Verified %t\n", verified)
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}
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}
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func loadKeys() (ed25519.PublicKey, ed25519.PrivateKey) {
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seed, err := ioutil.ReadFile(filepath.Join(os.Getenv("HOME"), ".config/noisetorch/private.key"))
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if err != nil {
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panic(err)
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}
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priv := ed25519.NewKeyFromSeed(seed)
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pub := priv.Public().(ed25519.PublicKey)
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return pub, priv
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}
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func generateKeypair() {
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pub, priv, err := ed25519.GenerateKey(nil)
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if err != nil {
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panic(err)
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os.Exit(1)
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}
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if err := ioutil.WriteFile(filepath.Join(os.Getenv("HOME"), ".config/noisetorch/private.key"), priv.Seed(), 0600); err != nil {
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panic(err)
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os.Exit(2)
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}
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fmt.Printf("Private key generated and saved.\nPublic key: %s\n", base64.StdEncoding.EncodeToString(pub))
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}
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@ -0,0 +1,3 @@
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# This source code refers to The Go Authors for copyright purposes.
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# The master list of authors is in the main Go distribution,
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# visible at https://tip.golang.org/AUTHORS.
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@ -0,0 +1,3 @@
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# This source code was written by the Go contributors.
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# The master list of contributors is in the main Go distribution,
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# visible at https://tip.golang.org/CONTRIBUTORS.
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@ -0,0 +1,27 @@
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Copyright (c) 2009 The Go Authors. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following disclaimer
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in the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Google Inc. nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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@ -0,0 +1,22 @@
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Additional IP Rights Grant (Patents)
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"This implementation" means the copyrightable works distributed by
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Google as part of the Go project.
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Google hereby grants to You a perpetual, worldwide, non-exclusive,
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no-charge, royalty-free, irrevocable (except as stated in this section)
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patent license to make, have made, use, offer to sell, sell, import,
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transfer and otherwise run, modify and propagate the contents of this
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implementation of Go, where such license applies only to those patent
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claims, both currently owned or controlled by Google and acquired in
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the future, licensable by Google that are necessarily infringed by this
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implementation of Go. This grant does not include claims that would be
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infringed only as a consequence of further modification of this
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implementation. If you or your agent or exclusive licensee institute or
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order or agree to the institution of patent litigation against any
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entity (including a cross-claim or counterclaim in a lawsuit) alleging
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that this implementation of Go or any code incorporated within this
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implementation of Go constitutes direct or contributory patent
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infringement, or inducement of patent infringement, then any patent
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rights granted to you under this License for this implementation of Go
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shall terminate as of the date such litigation is filed.
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@ -0,0 +1,222 @@
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// Copyright 2016 The Go Authors. 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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// In Go 1.13, the ed25519 package was promoted to the standard library as
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// crypto/ed25519, and this package became a wrapper for the standard library one.
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//
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// +build !go1.13
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// Package ed25519 implements the Ed25519 signature algorithm. See
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// https://ed25519.cr.yp.to/.
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//
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// These functions are also compatible with the “Ed25519” function defined in
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// RFC 8032. However, unlike RFC 8032's formulation, this package's private key
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// representation includes a public key suffix to make multiple signing
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// operations with the same key more efficient. This package refers to the RFC
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// 8032 private key as the “seed”.
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package ed25519
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// This code is a port of the public domain, “ref10” implementation of ed25519
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// from SUPERCOP.
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import (
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"bytes"
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"crypto"
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cryptorand "crypto/rand"
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"crypto/sha512"
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"errors"
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"io"
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"strconv"
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"golang.org/x/crypto/ed25519/internal/edwards25519"
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)
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const (
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// PublicKeySize is the size, in bytes, of public keys as used in this package.
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PublicKeySize = 32
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// PrivateKeySize is the size, in bytes, of private keys as used in this package.
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PrivateKeySize = 64
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// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
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SignatureSize = 64
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// SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
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SeedSize = 32
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)
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// PublicKey is the type of Ed25519 public keys.
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type PublicKey []byte
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// PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
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type PrivateKey []byte
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// Public returns the PublicKey corresponding to priv.
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func (priv PrivateKey) Public() crypto.PublicKey {
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publicKey := make([]byte, PublicKeySize)
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copy(publicKey, priv[32:])
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return PublicKey(publicKey)
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}
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// Seed returns the private key seed corresponding to priv. It is provided for
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// interoperability with RFC 8032. RFC 8032's private keys correspond to seeds
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// in this package.
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func (priv PrivateKey) Seed() []byte {
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seed := make([]byte, SeedSize)
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copy(seed, priv[:32])
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return seed
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}
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// Sign signs the given message with priv.
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// Ed25519 performs two passes over messages to be signed and therefore cannot
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// handle pre-hashed messages. Thus opts.HashFunc() must return zero to
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// indicate the message hasn't been hashed. This can be achieved by passing
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// crypto.Hash(0) as the value for opts.
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func (priv PrivateKey) Sign(rand io.Reader, message []byte, opts crypto.SignerOpts) (signature []byte, err error) {
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if opts.HashFunc() != crypto.Hash(0) {
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return nil, errors.New("ed25519: cannot sign hashed message")
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}
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return Sign(priv, message), nil
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}
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// GenerateKey generates a public/private key pair using entropy from rand.
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// If rand is nil, crypto/rand.Reader will be used.
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func GenerateKey(rand io.Reader) (PublicKey, PrivateKey, error) {
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if rand == nil {
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rand = cryptorand.Reader
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}
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seed := make([]byte, SeedSize)
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if _, err := io.ReadFull(rand, seed); err != nil {
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return nil, nil, err
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}
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privateKey := NewKeyFromSeed(seed)
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publicKey := make([]byte, PublicKeySize)
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copy(publicKey, privateKey[32:])
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return publicKey, privateKey, nil
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}
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// NewKeyFromSeed calculates a private key from a seed. It will panic if
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// len(seed) is not SeedSize. This function is provided for interoperability
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// with RFC 8032. RFC 8032's private keys correspond to seeds in this
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// package.
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func NewKeyFromSeed(seed []byte) PrivateKey {
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if l := len(seed); l != SeedSize {
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panic("ed25519: bad seed length: " + strconv.Itoa(l))
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}
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digest := sha512.Sum512(seed)
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digest[0] &= 248
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digest[31] &= 127
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digest[31] |= 64
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var A edwards25519.ExtendedGroupElement
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var hBytes [32]byte
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copy(hBytes[:], digest[:])
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edwards25519.GeScalarMultBase(&A, &hBytes)
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var publicKeyBytes [32]byte
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A.ToBytes(&publicKeyBytes)
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privateKey := make([]byte, PrivateKeySize)
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copy(privateKey, seed)
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copy(privateKey[32:], publicKeyBytes[:])
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return privateKey
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}
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// Sign signs the message with privateKey and returns a signature. It will
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// panic if len(privateKey) is not PrivateKeySize.
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func Sign(privateKey PrivateKey, message []byte) []byte {
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if l := len(privateKey); l != PrivateKeySize {
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panic("ed25519: bad private key length: " + strconv.Itoa(l))
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}
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h := sha512.New()
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h.Write(privateKey[:32])
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var digest1, messageDigest, hramDigest [64]byte
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var expandedSecretKey [32]byte
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h.Sum(digest1[:0])
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copy(expandedSecretKey[:], digest1[:])
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expandedSecretKey[0] &= 248
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expandedSecretKey[31] &= 63
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expandedSecretKey[31] |= 64
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h.Reset()
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h.Write(digest1[32:])
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h.Write(message)
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h.Sum(messageDigest[:0])
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var messageDigestReduced [32]byte
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edwards25519.ScReduce(&messageDigestReduced, &messageDigest)
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var R edwards25519.ExtendedGroupElement
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edwards25519.GeScalarMultBase(&R, &messageDigestReduced)
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var encodedR [32]byte
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R.ToBytes(&encodedR)
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h.Reset()
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h.Write(encodedR[:])
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h.Write(privateKey[32:])
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h.Write(message)
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h.Sum(hramDigest[:0])
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var hramDigestReduced [32]byte
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edwards25519.ScReduce(&hramDigestReduced, &hramDigest)
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var s [32]byte
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edwards25519.ScMulAdd(&s, &hramDigestReduced, &expandedSecretKey, &messageDigestReduced)
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signature := make([]byte, SignatureSize)
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copy(signature[:], encodedR[:])
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copy(signature[32:], s[:])
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return signature
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}
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// Verify reports whether sig is a valid signature of message by publicKey. It
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// will panic if len(publicKey) is not PublicKeySize.
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func Verify(publicKey PublicKey, message, sig []byte) bool {
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if l := len(publicKey); l != PublicKeySize {
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panic("ed25519: bad public key length: " + strconv.Itoa(l))
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}
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if len(sig) != SignatureSize || sig[63]&224 != 0 {
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return false
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}
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var A edwards25519.ExtendedGroupElement
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var publicKeyBytes [32]byte
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copy(publicKeyBytes[:], publicKey)
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if !A.FromBytes(&publicKeyBytes) {
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return false
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}
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edwards25519.FeNeg(&A.X, &A.X)
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edwards25519.FeNeg(&A.T, &A.T)
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h := sha512.New()
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h.Write(sig[:32])
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h.Write(publicKey[:])
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h.Write(message)
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var digest [64]byte
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h.Sum(digest[:0])
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var hReduced [32]byte
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edwards25519.ScReduce(&hReduced, &digest)
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var R edwards25519.ProjectiveGroupElement
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var s [32]byte
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copy(s[:], sig[32:])
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// https://tools.ietf.org/html/rfc8032#section-5.1.7 requires that s be in
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// the range [0, order) in order to prevent signature malleability.
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if !edwards25519.ScMinimal(&s) {
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return false
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}
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edwards25519.GeDoubleScalarMultVartime(&R, &hReduced, &A, &s)
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var checkR [32]byte
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R.ToBytes(&checkR)
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return bytes.Equal(sig[:32], checkR[:])
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}
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@ -0,0 +1,73 @@
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// Copyright 2019 The Go Authors. All rights reserved.
|
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// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
|
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// +build go1.13
|
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|
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// Package ed25519 implements the Ed25519 signature algorithm. See
|
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// https://ed25519.cr.yp.to/.
|
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//
|
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// These functions are also compatible with the “Ed25519” function defined in
|
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// RFC 8032. However, unlike RFC 8032's formulation, this package's private key
|
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// representation includes a public key suffix to make multiple signing
|
||||
// operations with the same key more efficient. This package refers to the RFC
|
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// 8032 private key as the “seed”.
|
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//
|
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// Beginning with Go 1.13, the functionality of this package was moved to the
|
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// standard library as crypto/ed25519. This package only acts as a compatibility
|
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// wrapper.
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package ed25519
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|
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import (
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"crypto/ed25519"
|
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"io"
|
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)
|
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|
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const (
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// PublicKeySize is the size, in bytes, of public keys as used in this package.
|
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PublicKeySize = 32
|
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// PrivateKeySize is the size, in bytes, of private keys as used in this package.
|
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PrivateKeySize = 64
|
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// SignatureSize is the size, in bytes, of signatures generated and verified by this package.
|
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SignatureSize = 64
|
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// SeedSize is the size, in bytes, of private key seeds. These are the private key representations used by RFC 8032.
|
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SeedSize = 32
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)
|
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|
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// PublicKey is the type of Ed25519 public keys.
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//
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// This type is an alias for crypto/ed25519's PublicKey type.
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// See the crypto/ed25519 package for the methods on this type.
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type PublicKey = ed25519.PublicKey
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// PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
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//
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// This type is an alias for crypto/ed25519's PrivateKey type.
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// See the crypto/ed25519 package for the methods on this type.
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type PrivateKey = ed25519.PrivateKey
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// GenerateKey generates a public/private key pair using entropy from rand.
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// If rand is nil, crypto/rand.Reader will be used.
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func GenerateKey(rand io.Reader) (PublicKey, PrivateKey, error) {
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return ed25519.GenerateKey(rand)
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}
|
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|
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// NewKeyFromSeed calculates a private key from a seed. It will panic if
|
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// len(seed) is not SeedSize. This function is provided for interoperability
|
||||
// with RFC 8032. RFC 8032's private keys correspond to seeds in this
|
||||
// package.
|
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func NewKeyFromSeed(seed []byte) PrivateKey {
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return ed25519.NewKeyFromSeed(seed)
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}
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|
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// Sign signs the message with privateKey and returns a signature. It will
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// panic if len(privateKey) is not PrivateKeySize.
|
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func Sign(privateKey PrivateKey, message []byte) []byte {
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return ed25519.Sign(privateKey, message)
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}
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// Verify reports whether sig is a valid signature of message by publicKey. It
|
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// will panic if len(publicKey) is not PublicKeySize.
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func Verify(publicKey PublicKey, message, sig []byte) bool {
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return ed25519.Verify(publicKey, message, sig)
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}
|
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File diff suppressed because it is too large
Load Diff
File diff suppressed because it is too large
Load Diff
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Reference in New Issue