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Align rpi-eeprom-digest with usbboot

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This commit is contained in:
Tim Gover
2022-11-07 09:37:15 +00:00
parent 1197a4ae31
commit 9269d78320
1 changed files with 10 additions and 9 deletions
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7
rpi-eeprom-digest
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@@ -26,6 +26,7 @@ checkDependencies() {
die "sha256sum not found. Try installing the coreutilities package."
fi
if [ -n "${KEY}" ] || [ "${VERIFY}" = 1 ]; then
if ! command -v openssl > /dev/null; then
die "openssl not found. Try installing the openssl package."
fi
@@ -33,6 +34,7 @@ checkDependencies() {
if ! command -v xxd > /dev/null; then
die "xxd not found. Try installing the xxd package."
fi
fi
}
usage() {
@@ -91,10 +93,9 @@ verifySig() {
sig_file="${1}"
[ -f "${sig_file}" ] || die "Signature file ${sig_file} not found"
sig_hex="$(grep rsa2048 "${sig_file}" | cut -f 2 -d ' ')"
echo ${sig_hex} | xxd -c 4096 -p -r > "${TMP_DIR}/sig.bin"
[ -n "${sig_hex}" ] || die "No RSA signature in ${sig_file}"
sha256=$(sha256sum "${IMAGE}" | awk '{print $1}')
echo ${sig_hex} | xxd -c 4096 -p -r > "${TMP_DIR}/sig.bin"
"${OPENSSL}" dgst -verify "${KEY}" -signature "${TMP_DIR}/sig.bin" "${IMAGE}" || die "${IMAGE} not verified"
}