RanchiMall/flocore
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Pubkey.prototype.set

Browse Source
This commit is contained in:
Ryan X. Charles 2014-08-28 17:41:38 -07:00
parent 356ddcfa4e
commit e2824035bb
6 changed files with 30 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/ecdsa.js
View File

@ -104,7 +104,7 @@ ECDSA.prototype.sig2pubkey = function() {
//var Q = R.multiplyTwo(s, G, eNeg).mul(rInv);
var Q = R.mul(s).add(G.mul(eNeg)).mul(rInv);
var pubkey = new Pubkey(Q);
var pubkey = new Pubkey({point: Q});
pubkey.compressed = this.sig.compressed;
pubkey.validate();

8
lib/expmt/stealth.js
View File

@ -50,7 +50,7 @@ Stealth.prototype.fromRandom = function() {
Stealth.prototype.getSharedKeyAsReceiver = function(senderPubkey) {
var sharedSecretPoint = senderPubkey.point.mul(this.scanKey.privkey.bn);
var sharedSecretPubkey = Pubkey(sharedSecretPoint);
var sharedSecretPubkey = Pubkey({point: sharedSecretPoint});
var buf = sharedSecretPubkey.toDER(true);
var sharedKey = KDF.sha256hmac2key(buf);
@ -59,7 +59,7 @@ Stealth.prototype.getSharedKeyAsReceiver = function(senderPubkey) {
Stealth.prototype.getSharedKeyAsSender = function(senderKey) {
var sharedSecretPoint = this.scanKey.pubkey.point.mul(senderKey.privkey.bn);
var sharedSecretPubkey = Pubkey(sharedSecretPoint);
var sharedSecretPubkey = Pubkey({point: sharedSecretPoint});
var buf = sharedSecretPubkey.toDER(true);
var sharedKey = KDF.sha256hmac2key(buf);
@ -68,14 +68,14 @@ Stealth.prototype.getSharedKeyAsSender = function(senderKey) {
Stealth.prototype.getReceivePubkeyAsReceiver = function(senderPubkey) {
var sharedKey = this.getSharedKeyAsReceiver(senderPubkey);
var pubkey = Pubkey(this.payloadKey.pubkey.point.add(sharedKey.pubkey.point));
var pubkey = Pubkey({point: this.payloadKey.pubkey.point.add(sharedKey.pubkey.point)});
return pubkey;
};
Stealth.prototype.getReceivePubkeyAsSender = function(senderKey) {
var sharedKey = this.getSharedKeyAsSender(senderKey);
var pubkey = Pubkey(this.payloadKey.pubkey.point.add(sharedKey.pubkey.point));
var pubkey = Pubkey({point: this.payloadKey.pubkey.point.add(sharedKey.pubkey.point)});
return pubkey;
};

2
lib/key.js
View File

@ -45,7 +45,7 @@ Key.prototype.getAddress = function(network) {
};
Key.prototype.privkey2pubkey = function() {
this.pubkey = new Pubkey(point.getG().mul(this.privkey.bn), this.privkey.compressed);
this.pubkey = new Pubkey({point: point.getG().mul(this.privkey.bn), compressed: this.privkey.compressed});
};
Key.prototype.toString = function() {

16
lib/pubkey.js
View File

@ -1,13 +1,19 @@
var Point = require('./point');
var bn = require('./bn');
var Pubkey = function Pubkey(point, compressed) {
var Pubkey = function Pubkey(obj) {
if (!(this instanceof Pubkey))
return new Pubkey(point);
if (point && !point.getX() && !point.getY())
return new Pubkey(obj);
if (obj)
this.set(obj);
};
Pubkey.prototype.set = function(obj) {
if (obj.point && !obj.point.getX() && !obj.point.getY())
throw new Error('Invalid point');
this.point = point;
this.compressed = compressed;
this.point = obj.point || this.point;
this.compressed = typeof obj.compressed !== 'undefined' ? obj.compressed : this.compressed;
return this;
};
Pubkey.prototype.fromDER = function(buf) {

6
test/test.ecdsa.js
View File

@ -18,8 +18,10 @@ describe("ECDSA", function() {
ecdsa.hashbuf = Hash.sha256(new Buffer('test data'));
ecdsa.key = new Key();
ecdsa.key.privkey = new Privkey({bn: BN().fromBuffer(new Buffer('fee0a1f7afebf9d2a5a80c0c98a31c709681cce195cbcd06342b517970c0be1e', 'hex'))});
ecdsa.key.pubkey = new Pubkey(point(BN().fromBuffer(new Buffer('ac242d242d23be966085a2b2b893d989f824e06c9ad0395a8a52f055ba39abb2', 'hex')),
BN().fromBuffer(new Buffer('4836ab292c105a711ed10fcfd30999c31ff7c02456147747e03e739ad527c380', 'hex'))));
ecdsa.key.pubkey = new Pubkey({
point: point(BN().fromBuffer(new Buffer('ac242d242d23be966085a2b2b893d989f824e06c9ad0395a8a52f055ba39abb2', 'hex')),
BN().fromBuffer(new Buffer('4836ab292c105a711ed10fcfd30999c31ff7c02456147747e03e739ad527c380', 'hex')))
});
describe('#set', function() {

10
test/test.pubkey.js
View File

@ -12,10 +12,18 @@ describe('Pubkey', function() {
it('should create a public key with a point', function() {
var p = Point();
var pk = new Pubkey(p);
var pk = new Pubkey({point: p});
should.exist(pk.point);
});
describe('#set', function() {
it('should make a public key from a point', function() {
should.exist(Pubkey().set({point: Point.getG()}).point);
});
});
describe('#fromDER', function() {
it('should parse this uncompressed public key', function() {