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@yackermann
yackermann / androidkey.attestation.root.pem
Created December 15, 2018 07:50
-----BEGIN CERTIFICATE-----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@yackermann
yackermann / AndroidKeyExtension.schema.asn1
Created December 15, 2018 07:28
KeyDescription ::= SEQUENCE {
attestationVersion 3,
attestationSecurityLevel SecurityLevel,
keymasterVersion INTEGER,
keymasterSecurityLevel SecurityLevel,
attestationChallenge OCTET_STRING,
uniqueId OCTET_STRING,
softwareEnforced AuthorizationList,
teeEnforced AuthorizationList,
}
@yackermann
yackermann / verify.androidkey.webauthn.js
Last active August 14, 2021 07:18
WebAuthn Android Keystore attestation verification sample in NodeJS
const crypto = require('crypto');
const base64url = require('base64url');
const cbor = require('cbor');
const asn1 = require('@lapo/asn1js');
const jsrsasign = require('jsrsasign');
/* Android Keystore Root is not published anywhere.
* This certificate was extracted from one of the attestations
* The last certificate in x5c must match this certificate
* This needs to be checked to ensure that malicious party wont generate fake attestations
@yackermann
yackermann / makecred.rp.icon.png.js
Created December 3, 2018 20:35
var randomChallengeBuffer = new Uint8Array(32);
window.crypto.getRandomValues(randomChallengeBuffer);
var base64id = 'MIIBkzCCATigAwIBAjCCAZMwggE4oAMCAQIwggGTMII='
var idBuffer = Uint8Array.from(window.atob(base64id), c=>c.charCodeAt(0))
var publicKey = {
challenge: randomChallengeBuffer,
rp: {
@yackermann
yackermann / makecred.rp.icon.js
Created December 3, 2018 20:27
var randomChallengeBuffer = new Uint8Array(32);
window.crypto.getRandomValues(randomChallengeBuffer);
var base64id = 'MIIBkzCCATigAwIBAjCCAZMwggE4oAMCAQIwggGTMII='
var idBuffer = Uint8Array.from(window.atob(base64id), c=>c.charCodeAt(0))
var publicKey = {
challenge: randomChallengeBuffer,
rp: {
@yackermann
yackermann / android-key.attestation.json
Last active December 6, 2018 15:02
{
"fmt": "android-key",
"authData": "9569088f1ecee3232954035dbd10d7cae391305a2751b559bb8fd7cbb229bdd4450000000028f37d2b92b841c4b02a860cef7cc034004101552f0265f6e35bcc29877b64176690d59a61c3588684990898c544699139be88e32810515987ea4f4833071b646780438bf858c36984e46e7708dee61eedcbd0a50102032620012158203849a20fde26c34b0088391a5827783dff93880b1654088aadfaf57a259549a1225820743c4b5245cf2685cf91054367cd4fafb9484e70593651011fc0dcce7621c68f",
"attStmt": {
"alg": -7,
"sig": "304402202ca7a8cfb6299c4a073e7e022c57082a46c657e9e53b28a6e454659ad024499602201f9cae7ff95a3f2372e0f952e9ef191e3b39ee2cedc46893a8eec6f75b1d9560",
"x5c": [
"308202ca30820270a003020102020101300a06082a8648ce3d040302308188310b30090603550406130255533113301106035504080c0a43616c69666f726e696131153013060355040a0c0c476f6f676c652c20496e632e3110300e060355040b0c07416e64726f6964313b303906035504030c32416e64726f6964204b657973746f726520536f667477617265204174746573746174696f6e20496e7465726d656469617465301e170d313831323032303
@yackermann
yackermann / verify.android-key.webauthn.js
Last active December 2, 2018 09:44
KeyStore attestations sample
{
"rawId": "AZD7huwZVx7aW1efRa6Uq3JTQNorj3qA9yrLINXEcgvCQYtWiSQa1eOIVrXfCmip6MzP8KaITOvRLjy3TUHO7_c",
"id": "AZD7huwZVx7aW1efRa6Uq3JTQNorj3qA9yrLINXEcgvCQYtWiSQa1eOIVrXfCmip6MzP8KaITOvRLjy3TUHO7_c",
"response": {
"clientDataJSON": "eyJ0eXBlIjoid2ViYXV0aG4uY3JlYXRlIiwiY2hhbGxlbmdlIjoiVGY2NWJTNkQ1dGVtaDJCd3ZwdHFnQlBiMjVpWkRSeGp3QzVhbnM5MUlJSkRyY3JPcG5XVEs0TFZnRmplVVY0R0RNZTQ0dzhTSTVOc1pzc0lYVFV2RGciLCJvcmlnaW4iOiJodHRwczpcL1wvd2ViYXV0aG4ub3JnIiwiYW5kcm9pZFBhY2thZ2VOYW1lIjoiY29tLmFuZHJvaWQuY2hyb21lIn0",
"attestationObject": "o2NmbXRrYW5kcm9pZC1rZXlnYXR0U3RtdKNjYWxnJmNzaWdYRjBEAiAsp6jPtimcSgc-fgIsVwgqRsZX6eU7KKbkVGWa0CRJlgIgH5yuf_laPyNy4PlS6e8ZHjs57iztxGiTqO7G91sdlWBjeDVjg1kCzjCCAsowggJwoAMCAQICAQEwCgYIKoZIzj0EAwIwgYgxCzAJBgNVBAYTAlVTMRMwEQYDVQQIDApDYWxpZm9ybmlhMRUwEwYDVQQKDAxHb29nbGUsIEluYy4xEDAOBgNVBAsMB0FuZHJvaWQxOzA5BgNVBAMMMkFuZHJvaWQgS2V5c3RvcmUgU29mdHdhcmUgQXR0ZXN0YXRpb24gSW50ZXJtZWRpYXRlMB4XDTE4MTIwMjA5MTAyNVoXDTI4MTIwMjA5MTAyNVowHzEdMBsGA1UEAwwUQW5kcm9pZCBLZXlzdG9yZSBLZXkwWTAT
@yackermann
yackermann / verify.packed.webauthn.js
Last active April 4, 2024 15:09
WebAuthn Packed attestation verification sample in NodeJS
const crypto = require('crypto');
const base64url = require('base64url');
const cbor = require('cbor');
const jsrsasign = require('jsrsasign');
const elliptic = require('elliptic');
const NodeRSA = require('node-rsa');
let COSEKEYS = {
'kty' : 1,
'alg' : 3,
@yackermann
yackermann / aaguid.x509.extension.sample
Created November 6, 2018 08:34
30 21 -- SEQUENCE
06 0b 2b 06 01 04 01 82 e5 1c 01 01 04 -- 1.3.6.1.4.1.45724.1.1.4
04 12 -- OCTET STRING
04 10 -- OCTET STRING
cd 8c 39 5c 26 ed ee de -- AAGUID
65 3b 00 79 7d 03 ca 3c
@yackermann
yackermann / packed.attestation.json
Created November 6, 2018 07:24
{
"fmt": "packed",
"authData": "9569088f1ecee3232954035dbd10d7cae391305a2751b559bb8fd7cbb229bdd44100000000f8a011f38c0a4d15800617111f9edc7d0040c2c2ebc8e0315cc539e2cd9f09258fcd68d71ce04a3e996837e5077ed8f8feba48bba059c4d5e9a66f367fb63a897f4510e28a792e7e3764c02decb32e725f00a50102032620012158200180f54d2a5fd76d03495c5e9fc922e7a905d5b993e045cef8fd099d293998cc225820774e5319051a8f63a965cc371f1ddfa85b410775a14d8017651861686e91ca97",
"attStmt": {
"alg": -7,
"sig": "30450221008cce8a10ba05af34a39267a1838927f12d11599641c02fc550a7b0216755141902201f78875d2cfb0f97515e497f01e7164035c40a18da0eee96f44d93e7b8975e6c",
"x5c": [
"308202af30820197a0030201020204485b3db6300d06092a864886f70d01010b05003021311f301d06035504030c1659756269636f204649444f2050726576696577204341301e170d3138303431323130353731305a170d3138313233313130353731305a306f310b300906035504061302534531123010060355040a0c0959756269636f20414231223020060355040b0c1941757468656e74696361746f72204174746573746174696f6e3128302606035504030c1f59756269636f20553246204545205365