spmkey/pico-keys-sdk/config/rp2350/secure_boot.json

{
    "boot_flags1": {
        "key_valid": 1
    },
    "bootkey0": [
        225,
        209,
        107,
        167,
        100,
        171,
        215,
        18,
        212,
        239,
        110,
        62,
        221,
        116,
        78,
        213,
        99,
        140,
        38,
        11,
        119,
        28,
        249,
        129,
        81,
        17,
        11,
        175,
        172,
        155,
        200,
        113
    ],
    "crit1": {
        "secure_boot_enable": 1
    }
}