Fuzz tests - hashedrekord (#1224)

- Included fuzztest for hashedrekord

Signed-off-by: naveensrinivasan <172697+naveensrinivasan@users.noreply.github.com>

Signed-off-by: naveensrinivasan <172697+naveensrinivasan@users.noreply.github.com>
Signed-off-by: Naveen <172697+naveensrinivasan@users.noreply.github.com>

pkg/types/hashedrekord/fuzz_test.go

@@ -0,0 +1,44 @@
+//
+// Copyright 2022 The Sigstore 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 hashedrekord
+
+import (
+	"context"
+	"net/url"
+	"testing"
+
+	"github.com/sigstore/rekor/pkg/types"
+)
+
+func FuzzHashedRekord(f *testing.F) {
+	f.Fuzz(func(t *testing.T, version, artifact, pkiFormat, scheme, host, path string, signature, authentication []byte) {
+		ctx := context.Background()
+		hrd := New()
+		u := url.URL{Scheme: scheme, Host: host, Path: path}
+
+		props := types.ArtifactProperties{ArtifactHash: artifact, PKIFormat: pkiFormat,
+			SignatureBytes: signature, AdditionalAuthenticatedData: authentication, ArtifactPath: &u,
+			SignaturePath: &u, PublicKeyPaths: []*url.URL{&u}}
+		entry, err := hrd.CreateProposedEntry(ctx, version, props)
+		if err != nil {
+			t.Skip("skipping fuzz test due to error: ", err)
+		}
+		_, err = hrd.UnmarshalEntry(entry)
+		if err != nil {
+			t.Skip("skipping fuzz test due to unmarshal error: ", err)
+		}
+	})
+}

tests/oss_fuzz.sh

@@ -27,6 +27,7 @@ compile_native_go_fuzzer github.com/sigstore/rekor/pkg/sharding FuzzValidateUUID
 compile_native_go_fuzzer github.com/sigstore/rekor/pkg/sharding FuzzValidateTreeID FuzzValidateTreeID
 compile_native_go_fuzzer github.com/sigstore/rekor/pkg/sharding FuzzValidateEntryID FuzzValidateEntryID
 compile_native_go_fuzzer github.com/sigstore/rekor/pkg/types/alpine FuzzPackageUnmarshal FuzzPackageUnmarshal
+compile_native_go_fuzzer github.com/sigstore/rekor/pkg/types/hashedrekord FuzzHashedRekord FuzzHashedRekord
 compile_native_go_fuzzer github.com/sigstore/rekor/pkg/types/intoto FuzzIntotoCreateProposedEntry FuzzIntotoCreateProposedEntry
 compile_native_go_fuzzer github.com/sigstore/rekor/pkg/types/tuf FuzzTufCreateProposedEntry FuzzTufCreateProposedEntry
 compile_native_go_fuzzer github.com/sigstore/rekor/pkg/types/rfc3161 FuzzRfc3161CreateProposedEntry FuzzRfc3161CreateProposedEntry