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#!/bin/sh
sigfile="/tmp/bmc.sig"
imagebmc="/run/initramfs/image-bmc"
bmcimage="/run/initramfs/bmc-image"
publickey="/etc/activationdata/OpenBMC/publickey"
bmclog="/tmp/update-bmc.log"
if [ -f $publickey ];then
r="$(openssl dgst -verify $publickey -sha256 -signature $sigfile $bmcimage)"
echo "$r" > $bmclog
if [ "Verified OK" = "$r" ]; then
mv $bmcimage $imagebmc
rm -f $sigfile
exit 0
else
exit 1
fi
else
echo "No $publickey file" > $bmclog
exit 1
fi
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