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View Diary: NSA revelations just 'the tip of the iceberg,' says House Democrat after briefing (203 comments)

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  •  However, the actual content of SMS text messages (4+ / 0-)

    is metadata.  Ever wonder why there is that 140/160 character limit?

    You have watched Faux News, now lose 2d10 SAN.

    by Throw The Bums Out on Thu Jun 13, 2013 at 08:05:29 AM PDT

    [ Parent ]

    •  How does the NSA strip out the message from the (2+ / 0-)
      Recommended by:
      JayBat, elwior

      metadata in the case of text messaging?

      •  That's the whole point, the message IS the (2+ / 0-)
        Recommended by:
        JayBat, Claudius Bombarnac

        metadata when it comes to SMS.  

        The key idea for SMS was to use this telephone-optimized system, and to transport messages on the signaling paths needed to control the telephone traffic during time periods when no signaling traffic existed. In this way, unused resources in the system could be used to transport messages at minimal cost. However, it was necessary to limit the length of the messages to 128 bytes (later improved to 160 seven-bit characters) so that the messages could fit into the existing signaling formats.

        You have watched Faux News, now lose 2d10 SAN.

        by Throw The Bums Out on Thu Jun 13, 2013 at 08:46:00 AM PDT

        [ Parent ]

      •  Occam's Razor says "they don't". n/t (1+ / 0-)
        Recommended by:
        Claudius Bombarnac
    •  No, not really, according to the leaked (0+ / 0-)

      order:

      Telephony metadata does not include the substantive content of any commumication, as defined in 18 U.S.C. sec. 2510(8)...
      and 18 U.S.C. sec 2510(8):
      (8) “contents”, when used with respect to any wire, oral, or electronic communication, includes any information concerning the substance, purport, or meaning of that communication;
      So, CDRs about SMS are collected, but not the "substantive communication" contained in it.

      Further access requires a warrant.

      •  But in the case of SMS the "substantive (0+ / 0-)

        communication" is encoded in the rest of the metadata, therefore it is metadata.  It travels along the same exact signaling path as the phone number being called and thus is limited to 140/160 characters because that is how much unused space there is.

        You have watched Faux News, now lose 2d10 SAN.

        by Throw The Bums Out on Sat Jun 15, 2013 at 02:23:08 AM PDT

        [ Parent ]

        •  The path and encoding of the message (0+ / 0-)

          is really kind of irrelevant.

          The order is under the business records section of the PATRIOT Act, it references 18 USC sec 2510(b). SMS messages are substantive communication therefore exempt from the order, they are not delivered by Verizon under that order.

          But you can believe what ever you'd like.

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