#3901 NORM Never A: Write tool to generate .sha checksums for JFFS2 images.

[Zarro Boogs per Child]

#3901: Write tool to generate .sha checksums for JFFS2 images.
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 Reporter:  cscott               |       Owner:  cscott        
     Type:  defect               |      Status:  new           
 Priority:  normal               |   Milestone:  Never Assigned
Component:  ofw - open firmware  |     Version:                
 Keywords:                       |    Verified:  0             
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 Our current CRCs are not secure enough to guarantee integrity of JFFS2
 images.  We may eventually want to do a secure copy-nand; we should
 upgrade our checksums to SHA256 to permit this.

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Ticket URL: <https://dev.laptop.org/ticket/3901>
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