Changes

== StreetPass Probe Request Frame ==

== StreetPass Probe Request Frame ==

Using Wireshark tool with a WiFi card in monitor mode allow you to see the data used to scan for other 3DS in the range. The below is a broadcast probe request from an 3DS while in standby mode, with SSID "Nintendo_3DS_continuous_scan_000". This frame also contains a custom Nintendo tag, the contents of this tag from different 3ds captures don't match. Probe responses contain the same Nintendo tag data as the probe requests from the same 3DS. The MAC address used in sleepmode seems to change every time there's a streetpass hit, as well as the last 8-bytes of the Nintendo tag data? The MAC address + 8 byte ID for StreetPass is seen to change every time the user enters and exits and Settings application.

Using Wireshark tool with a WiFi card in monitor mode allow you to see the data used to scan for other 3DS in the range. The below is a broadcast probe request from an 3DS while in standby mode, with SSID "Nintendo_3DS_continuous_scan_000". This SSID remains consistent across all 3DS units. This frame also contains a custom Nintendo tag, which contains information regarding the offered StreetPass services. Probe responses contain the same Nintendo tag data as the probe requests from the same 3DS. The MAC address used in sleepmode seems to change every time there's a StreetPass hit, as well as the last 8-bytes of the Nintendo tag data. The MAC address + 8-byte ID for StreetPass is seen to change every time the user enters and exits and Settings application if they have not had a StreetPass in an observed time period of 24 hours.

   0000  00 00 1a 00 2f 48 00 00 19 7d 19 de 2a 00 00 00  ..../H...}..*...

   0000  00 00 1a 00 2f 48 00 00 19 7d 19 de 2a 00 00 00  ..../H...}..*...