Assignment 7 #4
1 changed files with 28 additions and 0 deletions
28
7-SGX_Hands-on/src/simulate.sh
Executable file
28
7-SGX_Hands-on/src/simulate.sh
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#!/usr/bin/env sh
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set -eu
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TMP=/tmp/signatureproxy
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KEYDIR=../employee_keys
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mkdir -p $TMP
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echo "setting up enclave"
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./signatureproxy proxysetup -pkey $TMP/proxy_private.bin > $TMP/proxy_public.pem
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echo "generating dummy firmware"
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dd if=/dev/urandom of=$TMP/firmware.bin bs=1M count=1 &> /dev/null
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echo "signing firmware as Alice"
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./signatureproxy employee -ekey $KEYDIR/alice_private.pem -firm $TMP/firmware.bin > $TMP/signature_alice.der
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echo "resigning firmware using enclave"
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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
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echo "verifying firmware"
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cat $TMP/signature_for_alice.der | ./signatureproxy embedded -ppub $TMP/proxy_public.pem -firm $TMP/firmware.bin
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echo "signing firmware as Oskar"
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./signatureproxy employee -ekey $KEYDIR/oskar_private.pem -firm $TMP/firmware.bin > $TMP/signature_oskar.der
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echo "resigning firmware using enclave"
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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"
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