mirror of
https://github.com/restic/restic.git
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75 lines
2.5 KiB
Go
75 lines
2.5 KiB
Go
// Copyright 2018 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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package sign
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import (
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"bytes"
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"crypto/rand"
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"encoding/hex"
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"testing"
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)
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var testSignedMessage, _ = hex.DecodeString("26a0a47f733d02ddb74589b6cbd6f64a7dab1947db79395a1a9e00e4c902c0f185b119897b89b248d16bab4ea781b5a3798d25c2984aec833dddab57e0891e0d68656c6c6f20776f726c64")
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var testMessage = testSignedMessage[Overhead:]
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var testPublicKey [32]byte
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var testPrivateKey = [64]byte{
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0x98, 0x3c, 0x6a, 0xa6, 0x21, 0xcc, 0xbb, 0xb2, 0xa7, 0xe8, 0x97, 0x94, 0xde, 0x5f, 0xf8, 0x11,
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0x8a, 0xf3, 0x33, 0x1a, 0x03, 0x5c, 0x43, 0x99, 0x03, 0x13, 0x2d, 0xd7, 0xb4, 0xc4, 0x8b, 0xb0,
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0xf6, 0x33, 0x20, 0xa3, 0x34, 0x8b, 0x7b, 0xe2, 0xfe, 0xb4, 0xe7, 0x3a, 0x54, 0x08, 0x2d, 0xd7,
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0x0c, 0xb7, 0xc0, 0xe3, 0xbf, 0x62, 0x6c, 0x55, 0xf0, 0x33, 0x28, 0x52, 0xf8, 0x48, 0x7d, 0xfd,
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}
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func init() {
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copy(testPublicKey[:], testPrivateKey[32:])
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}
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func TestSign(t *testing.T) {
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signedMessage := Sign(nil, testMessage, &testPrivateKey)
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if !bytes.Equal(signedMessage, testSignedMessage) {
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t.Fatalf("signed message did not match, got\n%x\n, expected\n%x", signedMessage, testSignedMessage)
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}
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}
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func TestOpen(t *testing.T) {
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message, ok := Open(nil, testSignedMessage, &testPublicKey)
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if !ok {
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t.Fatalf("valid signed message not successfully verified")
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}
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if !bytes.Equal(message, testMessage) {
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t.Fatalf("message did not match, got\n%x\n, expected\n%x", message, testMessage)
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}
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message, ok = Open(nil, testSignedMessage[1:], &testPublicKey)
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if ok {
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t.Fatalf("invalid signed message successfully verified")
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}
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badMessage := make([]byte, len(testSignedMessage))
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copy(badMessage, testSignedMessage)
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badMessage[5] ^= 1
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if _, ok := Open(nil, badMessage, &testPublicKey); ok {
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t.Fatalf("Open succeeded with a corrupt message")
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}
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var badPublicKey [32]byte
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copy(badPublicKey[:], testPublicKey[:])
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badPublicKey[5] ^= 1
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if _, ok := Open(nil, testSignedMessage, &badPublicKey); ok {
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t.Fatalf("Open succeeded with a corrupt public key")
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}
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}
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func TestGenerateSignOpen(t *testing.T) {
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publicKey, privateKey, _ := GenerateKey(rand.Reader)
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signedMessage := Sign(nil, testMessage, privateKey)
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message, ok := Open(nil, signedMessage, publicKey)
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if !ok {
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t.Fatalf("failed to verify signed message")
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}
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if !bytes.Equal(message, testMessage) {
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t.Fatalf("verified message does not match signed messge, got\n%x\n, expected\n%x", message, testMessage)
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}
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}
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