passforios-gopenpgp/helper/message_test.go
Lukas Burkhalter c6a3058e2e
Prepare release 2.7.5 with packet API (#269)
Adds the following API functions:
- API to get signature key IDs for mobile:
	func (msg *PGPMessage) GetHexSignatureKeyIDsJson() []byte

- API to get encryption key IDs for mobile:
	func (msg *PGPMessage) GetHexEncryptionKeyIDsJson() []byte

- API to get the number of key packets in a PGP message:
	func (msg *PGPSplitMessage) GetNumberOfKeyPackets() (int, error)

- API in package `helper` to encrypt a PGP message to an additional key:
	func EncryptPGPMessageToAdditionalKey(messageToModify *crypto.PGPSplitMessage, keyRing *crypto.KeyRing, additionalKey *crypto.KeyRing) error
2024-02-07 08:09:26 +01:00

56 lines
1.5 KiB
Go

package helper_test
import (
"testing"
"github.com/ProtonMail/gopenpgp/v2/crypto"
"github.com/ProtonMail/gopenpgp/v2/helper"
"github.com/stretchr/testify/assert"
)
func TestEncryptPGPMessageToAdditionalKey(t *testing.T) {
keyA, err := crypto.GenerateKey("A", "a@a.a", "x25519", 0)
if err != nil {
t.Fatal("Expected no error when generating key, got:", err)
}
keyB, err := crypto.GenerateKey("B", "b@b.b", "x25519", 0)
if err != nil {
t.Fatal("Expected no error when generating key, got:", err)
}
keyRingA, err := crypto.NewKeyRing(keyA)
if err != nil {
t.Fatal("Expected no error when creating keyring, got:", err)
}
keyRingB, err := crypto.NewKeyRing(keyB)
if err != nil {
t.Fatal("Expected no error when creating keyring, got:", err)
}
message := crypto.NewPlainMessageFromString("plain text")
// Encrypt towards A
ciphertext, err := keyRingA.Encrypt(message, nil)
if err != nil {
t.Fatal("Expected no error when encrypting, got:", err)
}
ciphertextSplit, err := ciphertext.SplitMessage()
if err != nil {
t.Fatal("Expected no error when splitting message, got:", err)
}
// Also encrypt the message towards B
if err := helper.EncryptPGPMessageToAdditionalKey(ciphertextSplit, keyRingA, keyRingB); err != nil {
t.Fatal("Expected no error when modifying the message, got:", err)
}
// Test decrypt with B
decrypted, err := keyRingB.Decrypt(
ciphertextSplit.GetPGPMessage(),
nil,
0,
)
if err != nil {
t.Fatal("Expected no error when decrypting, got:", err)
}
assert.Exactly(t, message.GetString(), decrypted.GetString())
}