Switch go-crypto to proton branch and add tests for forwarding and sy…

…mmetric keys

crypto/proton_test.go

@@ -0,0 +1,77 @@
+package crypto
+
+import (
+	"encoding/base64"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestForwardeeDecryption(t *testing.T) {
+	//pgp.latestServerTime = 1679044110
+
+	forwardeeKey, err := NewKeyFromArmored(readTestFile("key_forwardee", false))
+	if err != nil {
+		t.Fatal("Expected no error while unarmoring private keyring, got:", err)
+	}
+
+	forwardeeKeyRing, err := NewKeyRing(forwardeeKey)
+	if err != nil {
+		t.Fatal("Expected no error while building private keyring, got:", err)
+	}
+
+	pgpMessage := readTestFile("message_forwardee", false)
+	decryptor, err := PGP().Decryption().
+		DecryptionKeys(forwardeeKeyRing).
+		VerifyTime(1679044110).
+		New()
+	if err != nil {
+		t.Fatal(err)
+	}
+	plainMessage, err := decryptor.Decrypt([]byte(pgpMessage), Armor)
+	if err != nil {
+		t.Fatal("Expected no error while decrypting/verifying, got:", err)
+	}
+
+	assert.Exactly(t, "Message for Bob", plainMessage.String())
+}
+
+func TestSymmetricKeys(t *testing.T) {
+	symmetricKey, err := NewKeyFromArmored(readTestFile("key_symmetric", false))
+	if err != nil {
+		t.Fatal("Expected no error while unarmoring private keyring, got:", err)
+	}
+
+	symmetricKeyRing, err := NewKeyRing(symmetricKey)
+	if err != nil {
+		t.Fatal("Expected no error while building private keyring, got:", err)
+	}
+
+	binData, _ := base64.StdEncoding.DecodeString("ExXmnSiQ2QCey20YLH6qlLhkY3xnIBC1AwlIXwK/HvY=")
+	pgp := PGP()
+	encryptor, err := pgp.Encryption().
+		Recipients(symmetricKeyRing).
+		SignTime(1679044110).
+		New()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	ciphertext, err := encryptor.Encrypt(binData)
+	if err != nil {
+		t.Fatal("Expected no error when encrypting, got:", err)
+	}
+
+	decryptor, err := pgp.Decryption().
+		DecryptionKeys(symmetricKeyRing).
+		VerifyTime(1679044110).
+		New()
+	if err != nil {
+		t.Fatal(err)
+	}
+	decrypted, err := decryptor.Decrypt(ciphertext.Bytes(), Bytes)
+	if err != nil {
+		t.Fatal("Expected no error when decrypting, got:", err)
+	}
+	assert.Exactly(t, binData, decrypted.Bytes())
+}

crypto/testdata/key_forwardee

@@ -0,0 +1,15 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+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+=lESj
+-----END PGP PRIVATE KEY BLOCK-----

crypto/testdata/key_symmetric

@@ -0,0 +1,15 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+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+=8TxH
+-----END PGP PRIVATE KEY BLOCK-----

crypto/testdata/message_forwardee

@@ -0,0 +1,8 @@
+-----BEGIN PGP MESSAGE-----
+
+wV4DB27Wn97eACkSAQdA62TlMU2QoGmf5iBLnIm4dlFRkLIg+6MbaatghwxK+Ccw
+yGZuVVMAK/ypFfebDf4D/rlEw3cysv213m8aoK8nAUO8xQX3XQq3Sg+EGm0BNV8E
+0kABEPyCWARoo5klT1rHPEhelnz8+RQXiOIX3G685XCWdCmaV+tzW082D0xGXSlC
+7lM8r1DumNnO8srssko2qIja
+=pVRa
+-----END PGP MESSAGE-----