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-rw-r--r--tests/test_group_session.cpp74
-rw-r--r--tests/test_message.cpp9
2 files changed, 76 insertions, 7 deletions
diff --git a/tests/test_group_session.cpp b/tests/test_group_session.cpp
index 4a82154..7ac91c3 100644
--- a/tests/test_group_session.cpp
+++ b/tests/test_group_session.cpp
@@ -80,7 +80,6 @@ int main() {
assert_equals(pickle1, pickle2, pickle_length);
}
-
{
TestCase test_case("Group message send/receive");
@@ -89,6 +88,7 @@ int main() {
"0123456789ABDEF0123456789ABCDEF"
"0123456789ABDEF0123456789ABCDEF"
"0123456789ABDEF0123456789ABCDEF"
+ "0123456789ABDEF0123456789ABCDEF"
"0123456789ABDEF0123456789ABCDEF";
@@ -97,7 +97,7 @@ int main() {
uint8_t memory[size];
OlmOutboundGroupSession *session = olm_outbound_group_session(memory);
- assert_equals((size_t)132,
+ assert_equals((size_t)164,
olm_init_outbound_group_session_random_length(session));
size_t res = olm_init_outbound_group_session(
@@ -109,7 +109,6 @@ int main() {
uint8_t session_key[session_key_len];
olm_outbound_group_session_key(session, session_key, session_key_len);
-
/* encode the message */
uint8_t plaintext[] = "Message";
size_t plaintext_length = sizeof(plaintext) - 1;
@@ -148,4 +147,73 @@ int main() {
assert_equals(plaintext, plaintext_buf, res);
}
+{
+ TestCase test_case("Invalid signature group message");
+
+ uint8_t plaintext[] = "Message";
+ size_t plaintext_length = sizeof(plaintext) - 1;
+
+ uint8_t session_key[] =
+ "ATAxMjM0NTY3ODlBQkRFRjAxMjM0NTY3ODlBQkNERUYwMTIzNDU2Nzg5QUJERUYw"
+ "MTIzNDU2Nzg5QUJDREVGMDEyMzQ1Njc4OUFCREVGMDEyMzQ1Njc4OUFCQ0RFRjAx"
+ "MjM0NTY3ODlBQkRFRjAxMjM0NTY3ODlBQkNERUYwMTIzDRt2DUEOrg/H+yUGjDTq"
+ "ryf8H1YF/BZjI04HwOVSZcY";
+
+ uint8_t message[] =
+ "AwgAEhAcbh6UpbByoyZxufQ+h2B+8XHMjhR69G8F4+qjMaFlnIXusJZX3r8LnROR"
+ "G9T3DXFdbVuvIWrLyRfm4i8QRbe8VPwGRFG57B1CtmxanuP8bHtnnYqlwPsD";
+ size_t msglen = sizeof(message)-1;
+
+ /* build the inbound session */
+ size_t size = olm_inbound_group_session_size();
+ uint8_t inbound_session_memory[size];
+ OlmInboundGroupSession *inbound_session =
+ olm_inbound_group_session(inbound_session_memory);
+
+ size_t res = olm_init_inbound_group_session(
+ inbound_session, 0U, session_key, sizeof(session_key)-1
+ );
+ assert_equals((size_t)0, res);
+
+ /* decode the message */
+
+ /* olm_group_decrypt_max_plaintext_length destroys the input so we have to
+ copy it. */
+ uint8_t msgcopy[msglen];
+ memcpy(msgcopy, message, msglen);
+ size = olm_group_decrypt_max_plaintext_length(
+ inbound_session, msgcopy, msglen
+ );
+
+ memcpy(msgcopy, message, msglen);
+ uint8_t plaintext_buf[size];
+ res = olm_group_decrypt(
+ inbound_session, msgcopy, msglen, plaintext_buf, size
+ );
+ assert_equals(plaintext_length, res);
+ assert_equals(plaintext, plaintext_buf, res);
+
+ /* now twiddle the signature */
+ message[msglen-1] = 'E';
+ memcpy(msgcopy, message, msglen);
+ assert_equals(
+ size,
+ olm_group_decrypt_max_plaintext_length(
+ inbound_session, msgcopy, msglen
+ )
+ );
+
+ memcpy(msgcopy, message, msglen);
+ res = olm_group_decrypt(
+ inbound_session, msgcopy, msglen,
+ plaintext_buf, size
+ );
+ assert_equals((size_t)-1, res);
+ assert_equals(
+ std::string("BAD_SIGNATURE"),
+ std::string(olm_inbound_group_session_last_error(inbound_session))
+ );
+}
+
+
}
diff --git a/tests/test_message.cpp b/tests/test_message.cpp
index 06b36dc..25693f5 100644
--- a/tests/test_message.cpp
+++ b/tests/test_message.cpp
@@ -67,8 +67,8 @@ assert_equals(message2, output, 35);
TestCase test_case("Group message encode test");
- size_t length = _olm_encode_group_message_length(200, 10, 8);
- size_t expected_length = 1 + (1+2) + (2+10) + 8;
+ size_t length = _olm_encode_group_message_length(200, 10, 8, 64);
+ size_t expected_length = 1 + (1+2) + (2+10) + 8 + 64;
assert_equals(expected_length, length);
uint8_t output[50];
@@ -99,9 +99,10 @@ assert_equals(message2, output, 35);
"\x03"
"\x08\xC8\x01"
"\x12\x0A" "ciphertext"
- "hmacsha2";
+ "hmacsha2"
+ "ed25519signature";
- _olm_decode_group_message(message, sizeof(message)-1, 8, &results);
+ _olm_decode_group_message(message, sizeof(message)-1, 8, 16, &results);
assert_equals(std::uint8_t(3), results.version);
assert_equals(1, results.has_message_index);
assert_equals(std::uint32_t(200), results.message_index);