CalvinBackup/k-id-age-verifier
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fix: we're so back

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you can see the writeup of what broke on the website.
This commit is contained in:
eva
2026-02-12 14:38:04 +00:00
parent 81e617a8b0
commit 6cf4458e32
3 changed files with 115 additions and 14 deletions
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scripts/standalone-verify.ts
+48 -6
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@@ -221,6 +221,24 @@ function removeOutliersWithZscore(arr: number[]) {
});
}
function calculateSpeedAndIntervals(measurements: number[], timestamps: number[]) {
const intervals = [];
const speeds = [];
for (let i = 1; i < measurements.length; i++) {
const distance = Math.abs(measurements[i] - measurements[i - 1]);
const timeInterval = (timestamps[i] - timestamps[i - 1]) / 1000;
intervals.push(timeInterval);
if (timeInterval > 0) {
const speed = distance / timeInterval;
speeds.push(speed);
} else {
speeds.push(0);
}
}
return { intervals, speeds };
}
async function encryptPayload(nonce: string, payload: any) {
const getKey = async (nonce: string, timestamp: string, transactionId: string) => {
const data = nonce + timestamp + transactionId;
@@ -391,6 +409,30 @@ async function verify(qrCodeUrlStr: string) {
const primaryOutputs = removeOutliersWithZscore(raws.map((r) => amap(r)));
const outputs = removeOutliersWithZscore(primaryOutputs);
const gestureMeasurementTime = Date.now();
const recordedMeasurements: number[] = Array.from({ length: 5 }, () => randomFloat(0.1, 0.8, 17));
const recordedTimestamps: number[] = [
randomInt(500, Math.min(completionTime, 1000)) - gestureMeasurementTime,
randomInt(700, Math.min(completionTime, 1000)) - gestureMeasurementTime,
randomInt(1000, Math.min(completionTime, 1400)) - gestureMeasurementTime,
randomInt(1400, Math.min(completionTime, 1600)) - gestureMeasurementTime,
randomInt(1600, Math.min(completionTime, 1800)) - gestureMeasurementTime
];
const { speeds: recordedSpeeds, intervals: recordedIntervals } = calculateSpeedAndIntervals(
recordedMeasurements,
recordedTimestamps
);
const failedMeasurements: number[] = Array.from({ length: 5 }, () => randomFloat(0.1, 0.8, 17));
const failedTimestamps: number[] = [
randomInt(500, Math.min(completionTime, 1000)) - gestureMeasurementTime,
randomInt(700, Math.min(completionTime, 1000)) - gestureMeasurementTime,
randomInt(1000, Math.min(completionTime, 1400)) - gestureMeasurementTime,
randomInt(1400, Math.min(completionTime, 1600)) - gestureMeasurementTime
];
const { speeds: failedOpennessSpeeds, intervals: failedOpennessIntervals } =
calculateSpeedAndIntervals(failedMeasurements, failedTimestamps);
let payload = {
request_type: 'complete_transaction',
transaction_id: sessionData.transaction_id,
@@ -428,12 +470,12 @@ async function verify(qrCodeUrlStr: string) {
},
ageCheckSession: '-' + randomInt(1000000000, 9999999999),
miscellaneous: {
recordedOpennessStreak: Array.from({ length: 5 }, () => randomFloat(0.1, 0.8, 17)),
recordedSpeeds: Array.from({ length: 5 }, () => randomFloat(0.2, 1.5, 17)),
recordedIntervals: Array.from({ length: 5 }, () => randomFloat(0.1, 0.2, 3)),
failedOpennessReadings: [],
failedOpennessSpeeds: [],
failedOpennessIntervals: [],
recordedOpennessStreak: recordedMeasurements,
recordedSpeeds,
recordedIntervals,
failedOpennessReadings: [failedMeasurements],
failedOpennessSpeeds: [failedOpennessSpeeds],
failedOpennessIntervals: [failedOpennessIntervals],
numberOfGestureRetries: 1,
antiSpoofConfidences: [],
fp_scores: [],