1 files changed, 51 insertions, 0 deletions
diff --git a/projects/pulumi/config_fuzzer.go b/projects/pulumi/config_fuzzer.go
new file mode 100644
index 000000000..18c3bc07a
--- /dev/null
+++ b/projects/pulumi/config_fuzzer.go
@@ -0,0 +1,51 @@
+// Copyright 2021 Google LLC
+//
+// 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 config
+
+import (
+	"encoding/json"
+)
+
+func FuzzConfig(data []byte) int {
+	if len(data) != 32 {
+		return -1
+	}
+	crypter := NewSymmetricCrypter(make([]byte, 32))
+	_, _ = crypter.EncryptValue(string(data))
+	_, _ = crypter.DecryptValue(string(data))
+	return 1
+}
+
+func fuuzRoundtripKey(m Key, marshal func(v interface{}) ([]byte, error),
+	unmarshal func([]byte, interface{}) error) (Key, error) {
+	b, err := marshal(m)
+	if err != nil {
+		return Key{}, err
+	}
+
+	var newM Key
+	err = unmarshal(b, &newM)
+	return newM, err
+}
+
+func FuzzParseKey(data []byte) int {
+	k, err := ParseKey(string(data))
+	if err != nil {
+		return 0
+	}
+	fuuzRoundtripKey(k, json.Marshal, json.Unmarshal)
+	return 1
+}