mbed_lib.json

{
    "name": "bootloader",
    "target_overrides": {
        "*": {
            "target.header_format": [
                ["magic", "const", "32be", "0x5a51b3d4"],
                ["version", "const", "32be", "2"],
                ["firmwareVersion", "timestamp", "64be", null],
                ["firmwareSize", "size", "64be", ["application"]],
                ["firmwareHash", "digest", "SHA256", "application"],
                ["hashpad", "const", "64be", "0"],
                ["hashpad", "const", "64be", "0"],
                ["hashpad", "const", "64be", "0"],
                ["hashpad", "const", "64be", "0"],
                ["campaign", "const", "64be", "0"],
                ["campaign", "const", "64be", "0"],
                ["firmwareSignatureSize", "const", "32be", "0"],
                ["headerCRC", "digest", "CRCITT32be", "header"]
            ]
        }
    }
}