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Replace used prekey in bundle

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This commit is contained in:
Paul Fariello 2019-03-06 20:24:28 +01:40
parent 1b5848fb23
commit 5eb66aea26
1 changed files with 16 additions and 1 deletions
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17
src/omemo/omemo.c
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@ -573,8 +573,23 @@ omemo_on_message_recv(const char *const from, uint32_t sid,
if (key->prekey) { if (key->prekey) {
pre_key_signal_message *message; pre_key_signal_message *message;
omemo_bundle_request(from, sid, omemo_start_device_session_handle_bundle, free, strdup(from));
pre_key_signal_message_deserialize(&message, key->data, key->length, omemo_ctx.signal); pre_key_signal_message_deserialize(&message, key->data, key->length, omemo_ctx.signal);
/* Replace used pre_key in bundle */
uint32_t pre_key_id = pre_key_signal_message_get_pre_key_id(message);
g_hash_table_remove(omemo_ctx.pre_key_store, GINT_TO_POINTER(pre_key_id));
ec_key_pair *ec_pair;
session_pre_key *new_pre_key;
curve_generate_key_pair(omemo_ctx.signal, &ec_pair);
session_pre_key_create(&new_pre_key, pre_key_id, ec_pair);
g_hash_table_insert(omemo_ctx.pre_key_store, GINT_TO_POINTER(pre_key_id), new_pre_key);
omemo_bundle_publish();
/* Start a new session */
omemo_bundle_request(from, sid, omemo_start_device_session_handle_bundle, free, strdup(from));
/* Try to decrypt message anyway, it will fail */
res = session_cipher_decrypt_pre_key_signal_message(cipher, message, NULL, &plaintext_key); res = session_cipher_decrypt_pre_key_signal_message(cipher, message, NULL, &plaintext_key);
} else { } else {
signal_message *message; signal_message *message;