[Bugs] #75 MAJO: Internet based backup and recovery of user files

[SugarLabs Bugs]

#75: Internet based backup and recovery of user files
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  Reporter:  CarolineM  |       Owner:  Bernie
      Type:  defect     |      Status:  new   
  Priority:  major      |   Component:  SoaS  
Resolution:             |    Keywords:        
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Comment(by mungewell):

 Following from an IRC conversation:

 It appears that there is no 'introduction' process where a teacher can
 introduce a XO to a XS, this would be extremely useful for the requested
 features of this bug report.

 If access can be limited to introduced XOs and the account/data store on
 the XS be limited to the the introduced XO then you can achieve most of
 what you want. Each XO user session contains a pub/private key pair (in
 /home/olpc/.sugar/default/owner.key), these could be used to
 identify/authenicate the XO to the XS.

 If lost, the replacement XO could be introduced as the new machine for
 student 'Johnny' and the access to the XS from the old XO would
 automatically be revoked.

 The use of pub/private key and challenge/response would prevent spoofing
 or replay attacks.

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Ticket URL: <http://dev.sugarlabs.org/ticket/75#comment:3>
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