Lukas Reschke 7cb0df28e2

Prevent downgrade attacks for apps ...

We should verify the app versions when installing a new update, otherwise this could result in downgrade attacks when an attacker just copies the old signature.

Plus it prevents the case that in case of a bug in the appstore actually an older version gets installed.

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

2016-11-11 18:53:26 +01:00

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