On Mon, November 5, 2012 10:12 am, Peter Djalaliev wrote:
>  Hello,
>
>  There seems to be a possible problem with the SSL implementation used in
>  Google Drive on MacOS 10.8.2.  I seems that this SSL implementation is NSS
>  - please let me know if you know that Google Drive uses a different SSL
>  implementation and I should direct this question elsewhere.
>
>  Packet captures of SSL flows between the Google Drive client application
>  and the Google servers it talks to show the following possible problem.
>  During the application data phase of the TLS connection, the Google Drive
>  client sends two consecutive TCP packets with different TCP sequence
>  numbers, both containing the same encrypted SSL record.  The cipher suite
>  used is TLS_RSA_WITH_AES_128_CBC_SHA.
>
>  A normal SSL server talking to Google drive will likely fail to decrypt
>  the duplicated SSL record and verify its MAC, because AES decryption is
>  used in CBC mode, and the duplicated SSL record should have a different
>  SSL sequence number.  However, it looks like the flow proceeds just fine.
>
>  Can anybody here comment on this behavior?  Is there a better place to ask
>  this question?
>
>  Best Regards,
>  Peter Djalaleiv
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>  https://lists.mozilla.org/listinfo/dev-tech-crypto
>

Hi Peter,

To the best of my knowledge, Google Drive for Mac (the desktop sync
client) does not use NSS.

A better forum for continuing the discussion and reporting the issue will
likely be at http://productforums.google.com/forum/#!forum/drive

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