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Code Issues Projects Releases Wiki Activity

AsReceiver implied

This commit is contained in:
Ryan X. Charles 2014-09-02 15:54:24 -07:00
parent 558a7672ef
commit 219aa528c8
3 changed files with 15 additions and 15 deletions
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10
lib/expmt/stealthkey.js
View File

@ -35,7 +35,7 @@ Stealthkey.prototype.fromRandom = function() {
return this; return this;
}; };
Stealthkey.prototype.getSharedKeypairAsReceiver = function(senderPubkey) { Stealthkey.prototype.getSharedKeypair = function(senderPubkey) {
var sharedSecretPoint = senderPubkey.point.mul(this.scanKeypair.privkey.bn); var sharedSecretPoint = senderPubkey.point.mul(this.scanKeypair.privkey.bn);
var sharedSecretPubkey = Pubkey({point: sharedSecretPoint}); var sharedSecretPubkey = Pubkey({point: sharedSecretPoint});
var buf = sharedSecretPubkey.toDER(true); var buf = sharedSecretPubkey.toDER(true);
@ -44,15 +44,15 @@ Stealthkey.prototype.getSharedKeypairAsReceiver = function(senderPubkey) {
return sharedKeypair; return sharedKeypair;
}; };
Stealthkey.prototype.getReceivePubkeyAsReceiver = function(senderPubkey) { Stealthkey.prototype.getReceivePubkey = function(senderPubkey) {
var sharedKeypair = this.getSharedKeypairAsReceiver(senderPubkey); var sharedKeypair = this.getSharedKeypair(senderPubkey);
var pubkey = Pubkey({point: this.payloadKeypair.pubkey.point.add(sharedKeypair.pubkey.point)}); var pubkey = Pubkey({point: this.payloadKeypair.pubkey.point.add(sharedKeypair.pubkey.point)});
return pubkey; return pubkey;
}; };
Stealthkey.prototype.getReceiveKeypair = function(senderPubkey) { Stealthkey.prototype.getReceiveKeypair = function(senderPubkey) {
var sharedKeypair = this.getSharedKeypairAsReceiver(senderPubkey); var sharedKeypair = this.getSharedKeypair(senderPubkey);
var privkey = Privkey({bn: this.payloadKeypair.privkey.bn.add(sharedKeypair.privkey.bn).mod(Point.getN())}); var privkey = Privkey({bn: this.payloadKeypair.privkey.bn.add(sharedKeypair.privkey.bn).mod(Point.getN())});
var key = Keypair({privkey: privkey}); var key = Keypair({privkey: privkey});
key.privkey2pubkey(); key.privkey2pubkey();
@ -61,7 +61,7 @@ Stealthkey.prototype.getReceiveKeypair = function(senderPubkey) {
}; };
Stealthkey.prototype.isForMe = function(senderPubkey, myPossiblePubkeyhash) { Stealthkey.prototype.isForMe = function(senderPubkey, myPossiblePubkeyhash) {
var pubkey = this.getReceivePubkeyAsReceiver(senderPubkey); var pubkey = this.getReceivePubkey(senderPubkey);
var pubkeybuf = pubkey.toDER(true); var pubkeybuf = pubkey.toDER(true);
var pubkeyhash = Hash.sha256ripemd160(pubkeybuf); var pubkeyhash = Hash.sha256ripemd160(pubkeybuf);

8
test/stealthaddress.js
View File

@ -71,13 +71,13 @@ describe('StealthAddress', function() {
(key instanceof Keypair).should.equal(true); (key instanceof Keypair).should.equal(true);
}); });
it('should return the same key as Stealthkey.prototype.getSharedKeypairAsReceiver', function() { it('should return the same key as Stealthkey.prototype.getSharedKeypair', function() {
var sa = new StealthAddress(); var sa = new StealthAddress();
sa.payloadPubkey = stealthkey.payloadKeypair.pubkey; sa.payloadPubkey = stealthkey.payloadKeypair.pubkey;
sa.scanPubkey = stealthkey.scanKeypair.pubkey; sa.scanPubkey = stealthkey.scanKeypair.pubkey;
var key = sa.getSharedKeypair(senderKeypair); var key = sa.getSharedKeypair(senderKeypair);
var key2 = stealthkey.getSharedKeypairAsReceiver(senderKeypair.pubkey); var key2 = stealthkey.getSharedKeypair(senderKeypair.pubkey);
key.toString().should.equal(key2.toString()); key.toString().should.equal(key2.toString());
}); });
@ -90,9 +90,9 @@ describe('StealthAddress', function() {
(pubkey instanceof Pubkey).should.equal(true); (pubkey instanceof Pubkey).should.equal(true);
}); });
it('should return the same pubkey as getReceivePubkeyAsReceiver', function() { it('should return the same pubkey as getReceivePubkey', function() {
var pubkey = StealthAddress().fromStealthkey(stealthkey).getReceivePubkey(senderKeypair); var pubkey = StealthAddress().fromStealthkey(stealthkey).getReceivePubkey(senderKeypair);
var pubkey2 = stealthkey.getReceivePubkeyAsReceiver(senderKeypair.pubkey); var pubkey2 = stealthkey.getReceivePubkey(senderKeypair.pubkey);
pubkey2.toString().should.equal(pubkey.toString()); pubkey2.toString().should.equal(pubkey.toString());
}); });

12
test/stealthkey.js
View File

@ -62,19 +62,19 @@ describe('Stealthkey', function() {
}); });
describe('#getSharedKeypairAsReceiver', function() { describe('#getSharedKeypair', function() {
it('should return a key', function() { it('should return a key', function() {
var key = stealthkey.getSharedKeypairAsReceiver(senderKeypair.pubkey); var key = stealthkey.getSharedKeypair(senderKeypair.pubkey);
(key instanceof Keypair).should.equal(true); (key instanceof Keypair).should.equal(true);
}); });
}); });
describe('#getReceivePubkeyAsReceiver', function() { describe('#getReceivePubkey', function() {
it('should return a pubkey', function() { it('should return a pubkey', function() {
var pubkey = stealthkey.getReceivePubkeyAsReceiver(senderKeypair.pubkey); var pubkey = stealthkey.getReceivePubkey(senderKeypair.pubkey);
(pubkey instanceof Pubkey).should.equal(true); (pubkey instanceof Pubkey).should.equal(true);
}); });
@ -87,9 +87,9 @@ describe('Stealthkey', function() {
(key instanceof Keypair).should.equal(true); (key instanceof Keypair).should.equal(true);
}); });
it('should return a key with the same pubkey as getReceivePubkeyAsReceiver', function() { it('should return a key with the same pubkey as getReceivePubkey', function() {
var key = stealthkey.getReceiveKeypair(senderKeypair.pubkey); var key = stealthkey.getReceiveKeypair(senderKeypair.pubkey);
var pubkey = stealthkey.getReceivePubkeyAsReceiver(senderKeypair.pubkey); var pubkey = stealthkey.getReceivePubkey(senderKeypair.pubkey);
key.pubkey.toString().should.equal(pubkey.toString()); key.pubkey.toString().should.equal(pubkey.toString());
}); });