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Assignment 7 #4

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saschato merged 75 commits from Assignment-7 into master 2024-07-08 11:19:51 +02:00
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7-SGX_Hands-on/src/simulate.sh Executable file
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#!/usr/bin/env sh
set -eu
TMP=/tmp/signatureproxy
KEYDIR=../employee_keys
mkdir -p $TMP
echo "setting up enclave"
./signatureproxy proxysetup -pkey $TMP/proxy_private.bin > $TMP/proxy_public.pem
echo "generating dummy firmware"
dd if=/dev/urandom of=$TMP/firmware.bin bs=1M count=1 &> /dev/null
echo "signing firmware as Alice"
./signatureproxy employee -ekey $KEYDIR/alice_private.pem -firm $TMP/firmware.bin > $TMP/signature_alice.der
echo "resigning firmware using enclave"
cat $TMP/signature_alice.der | ./signatureproxy proxy -pkey $TMP/proxy_private.bin -epub $KEYDIR/alice_public.pem -firm $TMP/firmware.bin > $TMP/signature_for_alice.der
echo "verifying firmware"
cat $TMP/signature_for_alice.der | ./signatureproxy embedded -ppub $TMP/proxy_public.pem -firm $TMP/firmware.bin
echo "signing firmware as Oskar"
./signatureproxy employee -ekey $KEYDIR/oskar_private.pem -firm $TMP/firmware.bin > $TMP/signature_oskar.der
echo "resigning firmware using enclave"
cat $TMP/signature_oskar.der | ./signatureproxy proxy -pkey $TMP/proxy_private.bin -epub $KEYDIR/oskar_public.pem -firm $TMP/firmware.bin || echo "Oskars signing request successfully rejected"