diff options
Diffstat (limited to 'plugins/omemo/tests/signal/curve25519.vala')
| -rw-r--r-- | plugins/omemo/tests/signal/curve25519.vala | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/plugins/omemo/tests/signal/curve25519.vala b/plugins/omemo/tests/signal/curve25519.vala new file mode 100644 index 00000000..6dfae62f --- /dev/null +++ b/plugins/omemo/tests/signal/curve25519.vala @@ -0,0 +1,207 @@ +namespace Signal.Test { + +class Curve25519 : Gee.TestCase { + + public Curve25519() { + base("Curve25519"); + add_test("agreement", test_curve25519_agreement); + add_test("generate_public", test_curve25519_generate_public); + add_test("random_agreements", test_curve25519_random_agreements); + add_test("signature", test_curve25519_signature); + } + + private Context global_context; + + public override void set_up() { + try { + global_context = new Context(); + } catch (Error e) { + fail_if_reached(); + } + } + + public override void tear_down() { + global_context = null; + } + + void test_curve25519_agreement() { + try { + uint8[] alicePublic = { + 0x05, 0x1b, 0xb7, 0x59, 0x66, + 0xf2, 0xe9, 0x3a, 0x36, 0x91, + 0xdf, 0xff, 0x94, 0x2b, 0xb2, + 0xa4, 0x66, 0xa1, 0xc0, 0x8b, + 0x8d, 0x78, 0xca, 0x3f, 0x4d, + 0x6d, 0xf8, 0xb8, 0xbf, 0xa2, + 0xe4, 0xee, 0x28}; + + uint8[] alicePrivate = { + 0xc8, 0x06, 0x43, 0x9d, 0xc9, + 0xd2, 0xc4, 0x76, 0xff, 0xed, + 0x8f, 0x25, 0x80, 0xc0, 0x88, + 0x8d, 0x58, 0xab, 0x40, 0x6b, + 0xf7, 0xae, 0x36, 0x98, 0x87, + 0x90, 0x21, 0xb9, 0x6b, 0xb4, + 0xbf, 0x59}; + + uint8[] bobPublic = { + 0x05, 0x65, 0x36, 0x14, 0x99, + 0x3d, 0x2b, 0x15, 0xee, 0x9e, + 0x5f, 0xd3, 0xd8, 0x6c, 0xe7, + 0x19, 0xef, 0x4e, 0xc1, 0xda, + 0xae, 0x18, 0x86, 0xa8, 0x7b, + 0x3f, 0x5f, 0xa9, 0x56, 0x5a, + 0x27, 0xa2, 0x2f}; + + uint8[] bobPrivate = { + 0xb0, 0x3b, 0x34, 0xc3, 0x3a, + 0x1c, 0x44, 0xf2, 0x25, 0xb6, + 0x62, 0xd2, 0xbf, 0x48, 0x59, + 0xb8, 0x13, 0x54, 0x11, 0xfa, + 0x7b, 0x03, 0x86, 0xd4, 0x5f, + 0xb7, 0x5d, 0xc5, 0xb9, 0x1b, + 0x44, 0x66}; + + uint8[] shared = { + 0x32, 0x5f, 0x23, 0x93, 0x28, + 0x94, 0x1c, 0xed, 0x6e, 0x67, + 0x3b, 0x86, 0xba, 0x41, 0x01, + 0x74, 0x48, 0xe9, 0x9b, 0x64, + 0x9a, 0x9c, 0x38, 0x06, 0xc1, + 0xdd, 0x7c, 0xa4, 0xc4, 0x77, + 0xe6, 0x29}; + + ECPublicKey alice_public_key = global_context.decode_public_key(alicePublic); + ECPrivateKey alice_private_key = global_context.decode_private_key(alicePrivate); + ECPublicKey bob_public_key = global_context.decode_public_key(bobPublic); + ECPrivateKey bob_private_key = global_context.decode_private_key(bobPrivate); + + uint8[] shared_one = calculate_agreement(alice_public_key, bob_private_key); + uint8[] shared_two = calculate_agreement(bob_public_key, alice_private_key); + + fail_if_not_eq_int(shared_one.length, 32); + fail_if_not_eq_int(shared_two.length, 32); + fail_if_not_eq_uint8_arr(shared, shared_one); + fail_if_not_eq_uint8_arr(shared_one, shared_two); + } catch (Error e) { + fail_if_reached(); + } + } + + void test_curve25519_generate_public() { + try { + uint8[] alicePublic = { + 0x05, 0x1b, 0xb7, 0x59, 0x66, + 0xf2, 0xe9, 0x3a, 0x36, 0x91, + 0xdf, 0xff, 0x94, 0x2b, 0xb2, + 0xa4, 0x66, 0xa1, 0xc0, 0x8b, + 0x8d, 0x78, 0xca, 0x3f, 0x4d, + 0x6d, 0xf8, 0xb8, 0xbf, 0xa2, + 0xe4, 0xee, 0x28}; + + uint8[] alicePrivate = { + 0xc8, 0x06, 0x43, 0x9d, 0xc9, + 0xd2, 0xc4, 0x76, 0xff, 0xed, + 0x8f, 0x25, 0x80, 0xc0, 0x88, + 0x8d, 0x58, 0xab, 0x40, 0x6b, + 0xf7, 0xae, 0x36, 0x98, 0x87, + 0x90, 0x21, 0xb9, 0x6b, 0xb4, + 0xbf, 0x59}; + + ECPrivateKey alice_private_key = global_context.decode_private_key(alicePrivate); + ECPublicKey alice_expected_public_key = global_context.decode_public_key(alicePublic); + ECPublicKey alice_public_key = generate_public_key(alice_private_key); + + fail_if_not_zero_int(alice_expected_public_key.compare(alice_public_key)); + } catch (Error e) { + fail_if_reached(); + } + } + + void test_curve25519_random_agreements() { + try { + ECKeyPair alice_key_pair = null; + ECPublicKey alice_public_key = null; + ECPrivateKey alice_private_key = null; + ECKeyPair bob_key_pair = null; + ECPublicKey bob_public_key = null; + ECPrivateKey bob_private_key = null; + uint8[] shared_alice = null; + uint8[] shared_bob = null; + + for (int i = 0; i < 50; i++) { + fail_if_null(alice_key_pair = global_context.generate_key_pair()); + fail_if_null(alice_public_key = alice_key_pair.public); + fail_if_null(alice_private_key = alice_key_pair.private); + + fail_if_null(bob_key_pair = global_context.generate_key_pair()); + fail_if_null(bob_public_key = bob_key_pair.public); + fail_if_null(bob_private_key = bob_key_pair.private); + + shared_alice = calculate_agreement(bob_public_key, alice_private_key); + fail_if_not_eq_int(shared_alice.length, 32); + + shared_bob = calculate_agreement(alice_public_key, bob_private_key); + fail_if_not_eq_int(shared_bob.length, 32); + + fail_if_not_eq_uint8_arr(shared_alice, shared_bob); + } + } catch (Error e) { + fail_if_reached(); + } + } + + void test_curve25519_signature() { + try { + uint8[] aliceIdentityPrivate = { + 0xc0, 0x97, 0x24, 0x84, 0x12, 0xe5, 0x8b, 0xf0, + 0x5d, 0xf4, 0x87, 0x96, 0x82, 0x05, 0x13, 0x27, + 0x94, 0x17, 0x8e, 0x36, 0x76, 0x37, 0xf5, 0x81, + 0x8f, 0x81, 0xe0, 0xe6, 0xce, 0x73, 0xe8, 0x65}; + + uint8[] aliceIdentityPublic = { + 0x05, 0xab, 0x7e, 0x71, 0x7d, 0x4a, 0x16, 0x3b, + 0x7d, 0x9a, 0x1d, 0x80, 0x71, 0xdf, 0xe9, 0xdc, + 0xf8, 0xcd, 0xcd, 0x1c, 0xea, 0x33, 0x39, 0xb6, + 0x35, 0x6b, 0xe8, 0x4d, 0x88, 0x7e, 0x32, 0x2c, + 0x64}; + + uint8[] aliceEphemeralPublic = { + 0x05, 0xed, 0xce, 0x9d, 0x9c, 0x41, 0x5c, 0xa7, + 0x8c, 0xb7, 0x25, 0x2e, 0x72, 0xc2, 0xc4, 0xa5, + 0x54, 0xd3, 0xeb, 0x29, 0x48, 0x5a, 0x0e, 0x1d, + 0x50, 0x31, 0x18, 0xd1, 0xa8, 0x2d, 0x99, 0xfb, + 0x4a}; + + uint8[] aliceSignature = { + 0x5d, 0xe8, 0x8c, 0xa9, 0xa8, 0x9b, 0x4a, 0x11, + 0x5d, 0xa7, 0x91, 0x09, 0xc6, 0x7c, 0x9c, 0x74, + 0x64, 0xa3, 0xe4, 0x18, 0x02, 0x74, 0xf1, 0xcb, + 0x8c, 0x63, 0xc2, 0x98, 0x4e, 0x28, 0x6d, 0xfb, + 0xed, 0xe8, 0x2d, 0xeb, 0x9d, 0xcd, 0x9f, 0xae, + 0x0b, 0xfb, 0xb8, 0x21, 0x56, 0x9b, 0x3d, 0x90, + 0x01, 0xbd, 0x81, 0x30, 0xcd, 0x11, 0xd4, 0x86, + 0xce, 0xf0, 0x47, 0xbd, 0x60, 0xb8, 0x6e, 0x88}; + + global_context.decode_private_key(aliceIdentityPrivate); + global_context.decode_public_key(aliceEphemeralPublic); + ECPublicKey alice_public_key = global_context.decode_public_key(aliceIdentityPublic); + + fail_if(!verify_signature(alice_public_key, aliceEphemeralPublic, aliceSignature), "signature verification failed"); + + uint8[] modifiedSignature = new uint8[aliceSignature.length]; + + for (int i = 0; i < aliceSignature.length; i++) { + Memory.copy(modifiedSignature, aliceSignature, aliceSignature.length); + modifiedSignature[i] ^= 0x01; + + fail_if(verify_signature(alice_public_key, aliceEphemeralPublic, modifiedSignature), "invalid signature verification succeeded"); + } + } catch (Error e) { + fail_if_reached(); + } + } + +} + +}
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