fix: replace memset with sodium_memzero for sensitive data

1 files changed, 4 insertions, 4 deletions

diff --git a/toxcore/TCP_server.c b/toxcore/TCP_server.c
index 79f59acd..d4944aed 100644
--- a/toxcore/TCP_server.c
+++ b/toxcore/TCP_server.c
@@ -169,7 +169,7 @@ static int del_accepted(TCP_Server *TCP_server, int index)
     if (!bs_list_remove(&TCP_server->accepted_key_list, TCP_server->accepted_connection_array[index].public_key, index))
         return -1;
 
-    memset(&TCP_server->accepted_connection_array[index], 0, sizeof(TCP_Secure_Connection));
+    sodium_memzero(&TCP_server->accepted_connection_array[index], sizeof(TCP_Secure_Connection));
     --TCP_server->num_accepted_connections;
 
     if (TCP_server->num_accepted_connections == 0)
@@ -447,7 +447,7 @@ static int write_packet_TCP_secure_connection(TCP_Secure_Connection *con, const
 static void kill_TCP_connection(TCP_Secure_Connection *con)
 {
     kill_sock(con->sock);
-    memset(con, 0, sizeof(TCP_Secure_Connection));
+    sodium_memzero(con, sizeof(TCP_Secure_Connection));
 }
 
 static int rm_connection_index(TCP_Server *TCP_server, TCP_Secure_Connection *con, uint8_t con_number);
@@ -868,7 +868,7 @@ static int confirm_TCP_connection(TCP_Server *TCP_server, TCP_Secure_Connection
         return -1;
     }
 
-    memset(con, 0, sizeof(TCP_Secure_Connection));
+    sodium_memzero(con, sizeof(TCP_Secure_Connection));
 
     if (handle_TCP_packet(TCP_server, index, data, length) == -1) {
         kill_accepted(TCP_server, index);
@@ -1056,7 +1056,7 @@ static int do_incoming(TCP_Server *TCP_server, uint32_t i)
             kill_TCP_connection(conn_new);
 
         memcpy(conn_new, conn_old, sizeof(TCP_Secure_Connection));
-        memset(conn_old, 0, sizeof(TCP_Secure_Connection));
+        sodium_memzero(conn_old, sizeof(TCP_Secure_Connection));
         ++TCP_server->unconfirmed_connection_queue_index;
 
         return index_new;