1 files changed, 65 insertions, 0 deletions
diff --git a/scripts/keygeneration/create_new_keys.sh b/scripts/keygeneration/create_new_keys.sh
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+++ b/scripts/keygeneration/create_new_keys.sh
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+#!/bin/bash
+# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+#
+# Generate .vbpubk and .vbprivk pairs for use by developer builds. These should
+# be exactly like the real keys except that the private keys aren't secret.
+
+# Load common constants and functions.
+. "$(dirname "$0")/common.sh"
+
+# Mapping are in common.sh.
+ROOT_KEY_ALGOID=11
+RECOVERY_KEY_ALGOID=11
+
+FIRMWARE_DATAKEY_ALGOID=7
+DEV_FIRMWARE_DATAKEY_ALGOID=7
+
+RECOVERY_KERNEL_ALGOID=11
+INSTALLER_KERNEL_ALGOID=11
+KERNEL_SUBKEY_ALGOID=7
+KERNEL_DATAKEY_ALGOID=4
+
+# Keyblock modes determine which boot modes a signing key is valid for use
+# in verification.
+FIRMWARE_KEYBLOCK_MODE=7
+DEV_FIRMWARE_KEYBLOCK_MODE=6  # Only allow in dev mode.
+RECOVERY_KERNEL_KEYBLOCK_MODE=11
+KERNEL_KEYBLOCK_MODE=7  # Only allow in non-recovery.
+INSTALLER_KERNEL_KEYBLOCK_MODE=10  # Only allow in Dev + Recovery.
+
+# Create the normal keypairs
+make_pair root_key                 $ROOT_KEY_ALGOID
+make_pair firmware_data_key        $FIRMWARE_DATAKEY_ALGOID
+make_pair dev_firmware_data_key    $DEV_FIRMWARE_DATAKEY_ALGOID
+make_pair kernel_subkey            $KERNEL_SUBKEY_ALGOID
+make_pair kernel_data_key          $KERNEL_DATAKEY_ALGOID
+
+# Create the recovery and factory installer keypairs
+make_pair recovery_key             $RECOVERY_KEY_ALGOID
+make_pair recovery_kernel_data_key $RECOVERY_KERNEL_ALGOID
+make_pair installer_kernel_data_key $INSTALLER_KERNEL_ALGOID
+
+# Create the firmware keyblock for use only in Normal mode. This is redundant,
+# since it's never even checked during Recovery mode.
+make_keyblock firmware $FIRMWARE_KEYBLOCK_MODE firmware_data_key root_key
+
+# Create the dev firmware keyblock for use only in Developer mode.
+make_keyblock dev_firmware $DEV_FIRMWARE_KEYBLOCK_MODE dev_firmware_data_key root_key
+
+# Create the recovery kernel keyblock for use only in Recovery mode.
+make_keyblock recovery_kernel $RECOVERY_KERNEL_KEYBLOCK_MODE recovery_kernel_data_key recovery_key
+
+# Create the normal kernel keyblock for use only in Normal mode.
+make_keyblock kernel $KERNEL_KEYBLOCK_MODE kernel_data_key kernel_subkey
+
+# Create the installer keyblock for use in Developer + Recovery mode
+# For use in Factory Install and Developer Mode install shims.
+make_keyblock installer_kernel $INSTALLER_KERNEL_KEYBLOCK_MODE installer_kernel_data_key recovery_key
+
+# CAUTION: The public parts of most of these blobs must be compiled into the
+# firmware, which is built separately (and some of which can't be changed after
+# manufacturing). If you update these keys, you must coordinate the changes
+# with the BIOS people or you'll be unable to boot the resulting images.
+