Sterling Hughes created MYNEWT-26:
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             Summary: Revise Image Management Scheme
                 Key: MYNEWT-26
                 URL: https://issues.apache.org/jira/browse/MYNEWT-26
             Project: Mynewt
          Issue Type: New Feature
          Components: Image Mgmt
            Reporter: Sterling Hughes
            Assignee: Marko Kiiskila
             Fix For: v0_8_0_beta2


We need the following in our image management and bootloader scheme: 

- Image header should have a SHA-256 in it that uniquely identifies the image
- That SHA-256 must be signed by a device private key in order to boot.  By 
default newt shall use the Apache Mynewt Development public/private key.  This 
is in no way secure, but will keep the process uniform across devices, so when 
people add security, they don't have to change bootloader or image formats.
- Bootloader should support verifying the SHA-256 and the signature of the 
image.



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