Crypto library movement and changes to content helper interfaces

Signed-off-by: Derek McGowan <derek@mcgstyle.net>

pkg/encryption/keywrap/pgp/keywrapper_gpg_test.go

@@ -0,0 +1,190 @@
+/*
+   Copyright The containerd 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 pgp
+
+import (
+	"testing"
+
+	"github.com/containerd/containerd/pkg/encryption/config"
+)
+
+var validGpgCcs = []*config.CryptoConfig{
+	// Key 1
+	{
+		EncryptConfig: &config.EncryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-pubkeyringfile": {gpgPubKeyRing},
+				"gpg-recipients":     {gpgRecipient1},
+			},
+			DecryptConfig: config.DecryptConfig{
+				Parameters: map[string][][]byte{
+					"gpg-privatekeys": {gpgPrivKey1},
+				},
+			},
+		},
+
+		DecryptConfig: &config.DecryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-privatekeys": {gpgPrivKey1},
+			},
+		},
+	},
+
+	// Key 2
+	{
+		EncryptConfig: &config.EncryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-pubkeyringfile": {gpgPubKeyRing},
+				"gpg-recipients":     {gpgRecipient2},
+			},
+			DecryptConfig: config.DecryptConfig{
+				Parameters: map[string][][]byte{
+					"gpg-privatekeys": {gpgPrivKey2},
+				},
+			},
+		},
+
+		DecryptConfig: &config.DecryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-privatekeys": {gpgPrivKey2},
+			},
+		},
+	},
+
+	// Key 1 without enc private key
+	{
+		EncryptConfig: &config.EncryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-pubkeyringfile": {gpgPubKeyRing},
+				"gpg-recipients":     {gpgRecipient1},
+			},
+		},
+
+		DecryptConfig: &config.DecryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-privatekeys": {gpgPrivKey1},
+			},
+		},
+	},
+
+	// Key 2 without enc private key
+	{
+		EncryptConfig: &config.EncryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-pubkeyringfile": {gpgPubKeyRing},
+				"gpg-recipients":     {gpgRecipient2},
+			},
+		},
+
+		DecryptConfig: &config.DecryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-privatekeys": {gpgPrivKey2},
+			},
+		},
+	},
+}
+
+var invalidGpgCcs = []*config.CryptoConfig{
+	// Client key 1 public with client 2 private decrypt
+	{
+		EncryptConfig: &config.EncryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-pubkeyringfile": {gpgPubKeyRing},
+				"gpg-recipients":     {gpgRecipient1},
+			},
+		},
+		DecryptConfig: &config.DecryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-privatekeys": {gpgPrivKey2},
+			},
+		},
+	},
+
+	// Client key 1 public with no private key
+	{
+		EncryptConfig: &config.EncryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-pubkeyringfile": {gpgPubKeyRing},
+				"gpg-recipients":     {gpgRecipient1},
+			},
+		},
+		DecryptConfig: &config.DecryptConfig{
+			Parameters: map[string][][]byte{},
+		},
+	},
+
+	// Invalid Client key 1 private key
+	{
+		EncryptConfig: &config.EncryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-pubkeyringfile": {gpgPrivKey1},
+				"gpg-recipients":     {gpgRecipient1},
+			},
+		},
+		DecryptConfig: &config.DecryptConfig{
+			Parameters: map[string][][]byte{
+				"gpg-privatekeys": {gpgPrivKey1},
+			},
+		},
+	},
+}
+
+func TestKeyWrapGpgSuccess(t *testing.T) {
+	for _, cc := range validGpgCcs {
+		kw := NewKeyWrapper()
+
+		data := []byte("This is some secret text")
+
+		wk, err := kw.WrapKeys(cc.EncryptConfig, data)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		ud, err := kw.UnwrapKey(cc.DecryptConfig, wk)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		if string(data) != string(ud) {
+			t.Fatal("Strings don't match")
+		}
+	}
+}
+
+func TestKeyWrapGpgInvalid(t *testing.T) {
+	for _, cc := range invalidGpgCcs {
+		kw := NewKeyWrapper()
+
+		data := []byte("This is some secret text")
+
+		wk, err := kw.WrapKeys(cc.EncryptConfig, data)
+		if err != nil {
+			return
+		}
+
+		ud, err := kw.UnwrapKey(cc.DecryptConfig, wk)
+		if err != nil {
+			return
+		}
+
+		if string(data) != string(ud) {
+			return
+		}
+
+		t.Fatal("Successfully wrap for invalid crypto config")
+	}
+}