diff options
Diffstat (limited to 'protocols/WhatsAppWeb/src/signal.cpp')
| -rw-r--r-- | protocols/WhatsAppWeb/src/signal.cpp | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/protocols/WhatsAppWeb/src/signal.cpp b/protocols/WhatsAppWeb/src/signal.cpp index b7ab9bfc6b..bd75f0ff3a 100644 --- a/protocols/WhatsAppWeb/src/signal.cpp +++ b/protocols/WhatsAppWeb/src/signal.cpp @@ -82,7 +82,7 @@ static int decrypt_func(signal_buffer **output, const uint8_t *ciphertext, size_t ciphertext_len, void * /*user_data*/) { - MBinBuffer res = aesDecrypt(EVP_aes_256_gcm(), key, iv, ciphertext, ciphertext_len); + MBinBuffer res = aesDecrypt(EVP_aes_256_cbc(), key, iv, ciphertext, ciphertext_len); *output = signal_buffer_create(res.data(), res.length()); return SG_SUCCESS; } @@ -479,7 +479,19 @@ signal_buffer* MSignalStore::decryptSignalProto(const CMStringA &from, const cha signal_buffer* MSignalStore::decryptGroupSignalProto(const CMStringA &group, const CMStringA &sender, const MBinBuffer &encrypted) { - return nullptr; + WAJid jid(sender); + auto *pSession = createSession(group + CMStringA(FORMAT, "::%s::%d", jid.user.c_str(), jid.device), 0); + + signal_message *pMsg; + if (signal_message_deserialize(&pMsg, (BYTE *)encrypted.data(), encrypted.length(), m_pContext) < 0) + throw "unable to deserialize signal message"; + + signal_buffer *result = nullptr; + if (session_cipher_decrypt_signal_message(pSession->getCipher(), pMsg, this, &result) < 0) + throw "unable to decrypt signal message"; + + signal_message_destroy((signal_type_base *)pMsg); + return result; } ///////////////////////////////////////////////////////////////////////////////////////// @@ -512,6 +524,6 @@ void MSignalStore::generatePrekeys(int count) ///////////////////////////////////////////////////////////////////////////////////////// -void MSignalStore::processSenderKeyMessage(const proto::Message_SenderKeyDistributionMessage &msg) +void MSignalStore::processSenderKeyMessage(const proto::Message_SenderKeyDistributionMessage &) { } |