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authorSimon Glass <sjg@chromium.org>2013-06-13 15:10:09 -0700
committerTom Rini <trini@ti.com>2013-06-26 10:18:56 -0400
commit4d0985295bbb50a952f4312c0a818cd89b8ee7aa (patch)
tree44414eb8dfd6309ba56a21a8d8982a5d8f938f2b /include/hw_sha.h
parent3e06cd1f97792b4bc3882de1ac99f031fb0eaa80 (diff)
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image: Add support for signing of FIT configurations
While signing images is useful, it does not provide complete protection against several types of attack. For example, it it possible to create a FIT with the same signed images, but with the configuration changed such that a different one is selected (mix and match attack). It is also possible to substitute a signed image from an older FIT version into a newer FIT (roll-back attack). Add support for signing of FIT configurations using the libfdt's region support. Please see doc/uImage.FIT/signature.txt for more information. Signed-off-by: Simon Glass <sjg@chromium.org>
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