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-rw-r--r--tools/mcuboot/imgtool/boot_record.py47
1 files changed, 47 insertions, 0 deletions
diff --git a/tools/mcuboot/imgtool/boot_record.py b/tools/mcuboot/imgtool/boot_record.py
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+# Copyright (c) 2019, Arm Limited.
+# Copyright (c) 2020, Linaro Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from enum import Enum
+import cbor
+
+
+class SwComponent(int, Enum):
+ """
+ Software component property IDs specified by
+ Arm's PSA Attestation API 1.0 document.
+ """
+ TYPE = 1
+ MEASUREMENT_VALUE = 2
+ VERSION = 4
+ SIGNER_ID = 5
+ MEASUREMENT_DESCRIPTION = 6
+
+
+def create_sw_component_data(sw_type, sw_version, sw_measurement_description,
+ sw_measurement_value, sw_signer_id):
+
+ # List of software component properties (Key ID + value)
+ properties = {
+ SwComponent.TYPE: sw_type,
+ SwComponent.VERSION: sw_version,
+ SwComponent.SIGNER_ID: sw_signer_id,
+ SwComponent.MEASUREMENT_DESCRIPTION: sw_measurement_description,
+ }
+
+ # Note: The measurement value must be the last item of the property
+ # list because later it will be modified by the bootloader.
+ properties[SwComponent.MEASUREMENT_VALUE] = sw_measurement_value
+
+ return cbor.dumps(properties)