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kexec-save-default: Always update TPM2 primary object handle hash

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Resetting the TPM creates a new primary object, and there is no reason
for kexec-save-default to sign an old hash.  Always update the hash
instead of creating it only if it doesn't exist.

Signed-off-by: Jonathon Hall <jonathon.hall@puri.sm>
This commit is contained in:
Jonathon Hall 2023-02-22 10:47:01 -05:00
parent ff8ec2fd5b
commit 55a41c3fdb
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GPG Key ID: 1E9C3CA91AE25114
1 changed files with 2 additions and 4 deletions
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6
initrd/bin/kexec-save-default
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@ -125,10 +125,8 @@ if [ ! -d $paramsdir ]; then
fi
if [ "$CONFIG_TPM2_TOOLS" = "y" ]; then
if [ ! -r "$PRIMHASH_FILE" ]; then
sha256sum /tmp/primary.handle > "$PRIMHASH_FILE" \
|| die "ERROR: Failed to Hash TPM2 primary key handle!"
fi
sha256sum /tmp/primary.handle > "$PRIMHASH_FILE" \
|| die "ERROR: Failed to Hash TPM2 primary key handle!"
fi
rm $paramsdir/kexec_default.*.txt 2>/dev/null || true