Overview
| Comment: | ChromeOS: Attempt to sign the correctly prefixed data |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
7879121689eac39fe699e15d812e47aa |
| User & Date: | rkeene on 2016-02-15 07:31:49 |
| Other Links: | manifest | tags |
Context
|
2016-02-15
| ||
| 07:34 | ChromeOS: Sanity -- initialize PIN prompt check-in: e0d9e2f1fb user: rkeene tags: trunk | |
| 07:31 | ChromeOS: Attempt to sign the correctly prefixed data check-in: 7879121689 user: rkeene tags: trunk | |
| 07:22 | ChromeOS: Try to supply the user PIN to the card check-in: 036113d051 user: rkeene tags: trunk | |
Changes
Modified build/chrome/cackey.js from [bf69054466] to [10c678f515].
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/*
* Handler for messages from Chrome related to signing a hash of some sort
*/
function cackeySignMessage(signRequest, chromeCallback) {
var callbackId;
var command;
var certificateId;
console.log("[cackey] Asked to sign a message -- throwing that request over to the NaCl side... ");
callbackId = cackeyOutstandingCallbackCounter + 1;
command = {
'target': "cackey",
'command': "sign",
'id': callbackId,
'certificate': signRequest.certificate,
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/*
* Handler for messages from Chrome related to signing a hash of some sort
*/
function cackeySignMessage(signRequest, chromeCallback) {
var callbackId;
var command;
var certificateId;
var digest, digestHeader;
/*
* Prefix the digest with the ASN.1 header required of it
*/
switch (signRequest.hash) {
case "SHA-1":
digestHeader = new Uint8Array([0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14]);
break;
case "SHA-256":
digestHeader = new Uint8Array([0x30, 0x31, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x01, 0x05, 0x00, 0x04, 0x20]);
break;
default:
console.error("[cackey] Asked to sign a message with a hash we do not support: " + signRequest.hash);
chromeCallback();
return;
}
digest = new Uint8Array(digestHeader.length + signRequest.digest.byteLength);
digest.set(digestHeader, 0);
digest.set(new Uint8Array(signRequest.digest), digestHeader.length);
delete digestHeader;
console.log("[cackey] Asked to sign a message -- throwing that request over to the NaCl side... ");
callbackId = cackeyOutstandingCallbackCounter + 1;
command = {
'target': "cackey",
'command': "sign",
'id': callbackId,
'certificate': signRequest.certificate,
'data': digest.buffer
};
certificateId = cackeyCertificateToPINID(command.certificate);
if (cackeyCertificateToPINMap[certificateId]) {
command.pin = cackeyCertificateToPINMap[certificateId];
}
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