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SELF-1394: Fix/aadhaar registry (#1449)

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* fix: remove timestamp while cal qrhash

* chore: pad the timestamp with 0 instead of skipping it

---------

Co-authored-by: ayman <aymanshaik1015@gmail.com>
This commit is contained in:
Vishalkulkarni45
2025-12-09 16:10:34 +05:30
committed by GitHub
parent 3e9c209973
commit 8587182778
2 changed files with 18 additions and 6 deletions
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13
circuits/circuits/register/register_aadhaar.circom
View File

@@ -113,7 +113,16 @@ template REGISTER_AADHAAR(n, k, maxDataLength){
signal output nullifier <== nullifierHasher.out;
signal qrDataHash <== PackBytesAndPoseidon(maxDataLength)(qrDataPadded);
component qrDataHasher = PackBytesAndPoseidon(maxDataLength);
for (var i = 0; i < 9; i++){
qrDataHasher.in[i] <== qrDataPadded[i];
}
for (var i = 9; i < 26; i++) {
qrDataHasher.in[i] <== 0;
}
for (var i = 26; i < maxDataLength; i++){
qrDataHasher.in[i] <== qrDataPadded[i];
}
// Generate commitment
component packedCommitment = PackBytesAndPoseidon(42 + 62);
@@ -138,7 +147,7 @@ template REGISTER_AADHAAR(n, k, maxDataLength){
component commitmentHasher = Poseidon(5);
commitmentHasher.inputs[0] <== secret;
commitmentHasher.inputs[1] <== qrDataHash;
commitmentHasher.inputs[1] <== qrDataHasher.out;
commitmentHasher.inputs[2] <== nullifierHasher.out;
commitmentHasher.inputs[3] <== packedCommitment.out;
commitmentHasher.inputs[4] <== qrDataExtractor.photoHash;

11
common/src/utils/aadhaar/mockData.ts
View File

@@ -208,8 +208,6 @@ export function prepareAadhaarDiscloseData(
secret,
qrDataHash: formatInput(BigInt(sharedData.qrHash)),
gender: formatInput(genderAscii),
// qrDataHash: BigInt(sharedData.qrHash).toString(),
// gender: genderAscii.toString(),
yob: stringToAsciiArray(sharedData.extractedFields.yob),
mob: stringToAsciiArray(sharedData.extractedFields.mob),
dob: stringToAsciiArray(sharedData.extractedFields.dob),
@@ -551,7 +549,6 @@ export function processQRData(
QRData = newTestData.testQRData;
} else {
QRData = testQRData.testQRData;
// console.log('testQRData:', testQRData);
}
return processQRDataSimple(QRData);
@@ -576,7 +573,13 @@ export function processQRDataSimple(qrData: string) {
// Extract actual fields from QR data instead of using hardcoded values
const extractedFields = extractQRDataFields(qrDataBytes);
const qrHash = packBytesAndPoseidon(Array.from(qrDataPadded));
// Calculate qrHash exclude timestamp (positions 9-25, 17 bytes)
const qrDataWithoutTimestamp = [
...Array.from(qrDataPadded.slice(0, 9)),
...Array.from(qrDataPadded.slice(9, 26)).map((x) => 0),
...Array.from(qrDataPadded.slice(26)),
];
const qrHash = packBytesAndPoseidon(qrDataWithoutTimestamp);
const photo = extractPhoto(Array.from(qrDataPadded), photoEOI + 1);
const photoHash = packBytesAndPoseidon(photo.bytes.map(Number));