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// Copyright 2021 Google LLC. 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 note
package note
import (
"testing"
"golang.org/x/mod/sumdb/note"
)
const (
// These come from the the current SigStore Rekór key, which is an ECDSA key:
sigStoreKeyMaterial = "AjBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABNhtmPtrWm3U1eQXBogSMdGvXwBcK5AW5i0hrZLOC96l+smGNM7nwZ4QvFK/4sueRoVj//QP22Ni4Qt9DPfkWLc="
sigStoreKeyHash = "c0d23d6a"
sigStoreKey = "rekor.sigstore.dev" + "+" + sigStoreKeyHash + "+" + sigStoreKeyMaterial
// These come from the the current Pixel6 log key, which is an ECDSA key.
// KeyMaterial converted from PEM contents here: https://go.dev/play/p/xKGbOGW_JHZ
pixelKeyMaterial = "AjBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABN+4x0Jk1yTwvLFI9A4NDdGZcX0aiWVdWM5XJVy0M4VWD3AvyW5Q6Hs9A0mcDkpUoYgn+KKPNzFC0H3nN3q6JQ8="
pixelKeyHash = "91c16e30"
pixelKey = "pixel6_transparency_log" + "+" + pixelKeyHash + "+" + pixelKeyMaterial
)
func TestNewVerifier(t *testing.T) {
for _, test := range []struct {
name string
key string
wantErr bool
}{
{
name: "note works",
key: "PeterNeumann+c74f20a3+ARpc2QcUPDhMQegwxbzhKqiBfsVkmqq/LDE4izWy10TW",
}, {
name: "ECDSA works",
key: sigStoreKey,
}, {
name: "Sunlight works",
key: "ct.googleapis.com/logs/us1/argon2024+7deb49d0+BTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABB25bKnLaZTFXOa2pgO70rjcVEMXKJkMBgFQHZ1kwFlGK9zIAx0FtC2oCfeZQe0E++VXuiYE9hFSzhRlOy92K8A=",
},
} {
t.Run(test.name, func(t *testing.T) {
_, err := NewVerifier(test.key)
if gotErr := err != nil; gotErr != test.wantErr {
t.Fatalf("NewVerifier: %v, wantErr %t", err, test.wantErr)
}
})
}
}
func TestNewECDSAVerifier(t *testing.T) {
for _, test := range []struct {
name string
pubK string
wantErr bool
}{
{
name: "sigStore works",
pubK: sigStoreKey,
}, {
name: "pixel works",
pubK: pixelKey,
}, {
name: "wrong number of parts",
pubK: "bananas.sigstore.dev+12344556",
wantErr: true,
}, {
name: "invalid base64",
pubK: "rekor.sigstore.dev+12345678+THIS_IS_NOT_BASE64!",
wantErr: true,
}, {
name: "invalid algo",
pubK: "rekor.sigstore.dev+12345678+AwEB",
wantErr: true,
}, {
name: "invalid keyhash",
pubK: "rekor.sigstore.dev+NOT_A_NUMBER+" + sigStoreKeyMaterial,
wantErr: true,
}, {
name: "incorrect keyhash",
pubK: "rekor.sigstore.dev" + "+" + "00000000" + "+" + sigStoreKeyMaterial,
wantErr: true,
},
} {
t.Run(test.name, func(t *testing.T) {
_, err := NewECDSAVerifier(test.pubK)
if gotErr := err != nil; gotErr != test.wantErr {
t.Fatalf("Failed to create new ECDSA verifier from %q: %v", test.pubK, err)
}
})
}
}
func TestECDSAVerifier(t *testing.T) {
for _, test := range []struct {
name string
pubK string
note []byte
wantErr bool
}{
{
name: "sigstore works",
pubK: sigStoreKey,
note: []byte("Rekor\n798034\nf+7CoKgXKE/tNys9TTXcr/ad6U/K3xvznmzew9y6SP0=\n\n— rekor.sigstore.dev wNI9ajBEAiARInWIWyCdyG27CO6LPnPekyw20qO0YJfoaPaowGp/XgIgc+qEHS3+GKVClgqq20uDLet7MCoTURUCRdxwWBHHufk=\n"),
}, {
name: "pixel works",
pubK: pixelKey,
note: []byte("DEFAULT\n10\nbsWRucJU5xJPHb5eBdOm6+DM+VelCZBuvtI3sHERJ9Y=\n\n— pixel6_transparency_log kcFuMDBFAiEAhqMAP8P6qf6QxtUJhzMhbN+MbZ9dwfUHzGQJmffJHtoCIGD0cNe47dHWBoPwYdgBCepB06/+g5O1FmYjXl06owL4\n"),
}, {
name: "invalid name",
pubK: "bananas.sigstore.dev" + "+" + sigStoreKeyHash + "+" + sigStoreKeyMaterial,
note: []byte("Rekor\n798034\nf+7CoKgXKE/tNys9TTXcr/ad6U/K3xvznmzew9y6SP0=\n\n— rekor.sigstore.dev wNI9ajBEAiARInWIWyCdyG27CO6LPnPekyw20qO0YJfoaPaowGp/XgIgc+qEHS3+GKVClgqq20uDLet7MCoTURUCRdxwWBHHufk=\n"),
wantErr: true,
}, {
name: "invalid signature",
pubK: sigStoreKey,
note: []byte("Rekor\n798034\nf+7CoKgXKE/tNys9TTXcr/ad6U/K3xvznmzew9y6SP0=\n\n— rekor.sigstore.dev THIS/IS/PROBABLY/NOT/A/VALID/SIGNATURE/ANy/MOREowGp/XgIgc+qEHS3+GKVClgqq20uDLet7MCoTURUCRdxwWBHHufk=\n"),
wantErr: true,
},
} {
t.Run(test.name, func(t *testing.T) {
v, err := NewECDSAVerifier(test.pubK)
if err != nil {
t.Fatalf("Failed to create new ECDSA verifier from %q: %v", test.pubK, err)
}
_, err = note.Open(test.note, note.VerifierList(v))
if gotErr := err != nil; gotErr != test.wantErr {
t.Fatalf("Got err %v, but want error %v", err, test.wantErr)
}
})
}
}
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