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elliptic

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elliptic - npm Package Compare versions

Comparing version 6.0.2 to 6.1.0

14

lib/elliptic/curve/base.js
'use strict';
var bn = require('bn.js');
var BN = require('bn.js');
var elliptic = require('../../elliptic');

@@ -12,14 +12,14 @@ var utils = elliptic.utils;

this.type = type;
this.p = new bn(conf.p, 16);
this.p = new BN(conf.p, 16);
// Use Montgomery, when there is no fast reduction for the prime
this.red = conf.prime ? bn.red(conf.prime) : bn.mont(this.p);
this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p);
// Useful for many curves
this.zero = new bn(0).toRed(this.red);
this.one = new bn(1).toRed(this.red);
this.two = new bn(2).toRed(this.red);
this.zero = new BN(0).toRed(this.red);
this.one = new BN(1).toRed(this.red);
this.two = new BN(2).toRed(this.red);
// Curve configuration, optional
this.n = conf.n && new bn(conf.n, 16);
this.n = conf.n && new BN(conf.n, 16);
this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);

@@ -26,0 +26,0 @@

20

lib/elliptic/curve/edwards.js

@@ -5,3 +5,3 @@ 'use strict';

var elliptic = require('../../elliptic');
var bn = require('bn.js');
var BN = require('bn.js');
var inherits = require('inherits');

@@ -20,7 +20,7 @@ var Base = curve.base;

this.a = new bn(conf.a, 16).umod(this.red.m);
this.a = new BN(conf.a, 16).umod(this.red.m);
this.a = this.a.toRed(this.red);
this.c = new bn(conf.c, 16).toRed(this.red);
this.c = new BN(conf.c, 16).toRed(this.red);
this.c2 = this.c.redSqr();
this.d = new bn(conf.d, 16).toRed(this.red);
this.d = new BN(conf.d, 16).toRed(this.red);
this.dd = this.d.redAdd(this.d);

@@ -54,3 +54,3 @@

EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
x = new bn(x, 16);
x = new BN(x, 16);
if (!x.red)

@@ -72,3 +72,3 @@ x = x.toRed(this.red);

EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
y = new bn(y, 16);
y = new BN(y, 16);
if (!y.red)

@@ -124,6 +124,6 @@ y = y.toRed(this.red);

} else {
this.x = new bn(x, 16);
this.y = new bn(y, 16);
this.z = z ? new bn(z, 16) : this.curve.one;
this.t = t && new bn(t, 16);
this.x = new BN(x, 16);
this.y = new BN(y, 16);
this.z = z ? new BN(z, 16) : this.curve.one;
this.t = t && new BN(t, 16);
if (!this.x.red)

@@ -130,0 +130,0 @@ this.x = this.x.toRed(this.curve.red);

14

lib/elliptic/curve/mont.js
'use strict';
var curve = require('../curve');
var bn = require('bn.js');
var BN = require('bn.js');
var inherits = require('inherits');

@@ -14,6 +14,6 @@ var Base = curve.base;

this.a = new bn(conf.a, 16).toRed(this.red);
this.b = new bn(conf.b, 16).toRed(this.red);
this.i4 = new bn(4).toRed(this.red).redInvm();
this.two = new bn(2).toRed(this.red);
this.a = new BN(conf.a, 16).toRed(this.red);
this.b = new BN(conf.b, 16).toRed(this.red);
this.i4 = new BN(4).toRed(this.red).redInvm();
this.two = new BN(2).toRed(this.red);
this.a24 = this.i4.redMul(this.a.redAdd(this.two));

@@ -39,4 +39,4 @@ }

} else {
this.x = new bn(x, 16);
this.z = new bn(z, 16);
this.x = new BN(x, 16);
this.z = new BN(z, 16);
if (!this.x.red)

@@ -43,0 +43,0 @@ this.x = this.x.toRed(this.curve.red);

46

lib/elliptic/curve/short.js

@@ -5,3 +5,3 @@ 'use strict';

var elliptic = require('../../elliptic');
var bn = require('bn.js');
var BN = require('bn.js');
var inherits = require('inherits');

@@ -15,4 +15,4 @@ var Base = curve.base;

this.a = new bn(conf.a, 16).toRed(this.red);
this.b = new bn(conf.b, 16).toRed(this.red);
this.a = new BN(conf.a, 16).toRed(this.red);
this.b = new BN(conf.b, 16).toRed(this.red);
this.tinv = this.two.redInvm();

@@ -40,3 +40,3 @@

if (conf.beta) {
beta = new bn(conf.beta, 16).toRed(this.red);
beta = new BN(conf.beta, 16).toRed(this.red);
} else {

@@ -49,3 +49,3 @@ var betas = this._getEndoRoots(this.p);

if (conf.lambda) {
lambda = new bn(conf.lambda, 16);
lambda = new BN(conf.lambda, 16);
} else {

@@ -67,4 +67,4 @@ // Choose the lambda that is matching selected beta

return {
a: new bn(vec.a, 16),
b: new bn(vec.b, 16)
a: new BN(vec.a, 16),
b: new BN(vec.b, 16)
};

@@ -87,7 +87,7 @@ });

//
var red = num === this.p ? this.red : bn.mont(num);
var tinv = new bn(2).toRed(red).redInvm();
var red = num === this.p ? this.red : BN.mont(num);
var tinv = new BN(2).toRed(red).redInvm();
var ntinv = tinv.redNeg();
var s = new bn(3).toRed(red).redNeg().redSqrt().redMul(tinv);
var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);

@@ -107,6 +107,6 @@ var l1 = ntinv.redAdd(s).fromRed();

var v = this.n.clone();
var x1 = new bn(1);
var y1 = new bn(0);
var x2 = new bn(0);
var y2 = new bn(1);
var x1 = new BN(1);
var y1 = new BN(0);
var x2 = new BN(0);
var y2 = new BN(1);

@@ -196,3 +196,3 @@ // NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)

ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
x = new bn(x, 16);
x = new BN(x, 16);
if (!x.red)

@@ -265,4 +265,4 @@ x = x.toRed(this.red);

} else {
this.x = new bn(x, 16);
this.y = new bn(y, 16);
this.x = new BN(x, 16);
this.y = new BN(y, 16);
// Force redgomery representation when loading from JSON

@@ -431,3 +431,3 @@ if (isRed) {

Point.prototype.mul = function mul(k) {
k = new bn(k, 16);
k = new BN(k, 16);

@@ -494,7 +494,7 @@ if (this._hasDoubles(k))

this.y = this.curve.one;
this.z = new bn(0);
this.z = new BN(0);
} else {
this.x = new bn(x, 16);
this.y = new bn(y, 16);
this.z = new bn(z, 16);
this.x = new BN(x, 16);
this.y = new BN(y, 16);
this.z = new BN(z, 16);
}

@@ -883,3 +883,3 @@ if (!this.x.red)

JPoint.prototype.mul = function mul(k, kbase) {
k = new bn(k, kbase);
k = new BN(k, kbase);

@@ -886,0 +886,0 @@ return this.curve._wnafMul(this, k);

31

lib/elliptic/ec/index.js
'use strict';
var bn = require('bn.js');
var BN = require('bn.js');
var elliptic = require('../../elliptic');

@@ -65,5 +65,5 @@ var utils = elliptic.utils;

var bytes = this.n.byteLength();
var ns2 = this.n.sub(new bn(2));
var ns2 = this.n.sub(new BN(2));
do {
var priv = new bn(drbg.generate(bytes));
var priv = new BN(drbg.generate(bytes));
if (priv.cmp(ns2) > 0)

@@ -96,14 +96,10 @@ continue;

key = this.keyFromPrivate(key, enc);
msg = this._truncateToN(new bn(msg, 16));
msg = this._truncateToN(new BN(msg, 16));
// Zero-extend key to provide enough entropy
var bytes = this.n.byteLength();
var bkey = key.getPrivate().toArray();
for (var i = bkey.length; i < bytes; i++)
bkey.unshift(0);
var bkey = key.getPrivate().toArray('be', bytes);
// Zero-extend nonce to have the same byte size as N
var nonce = msg.toArray();
for (var i = nonce.length; i < bytes; i++)
nonce.unshift(0);
var nonce = msg.toArray('be', bytes);

@@ -118,5 +114,8 @@ // Instantiate Hmac_DRBG

// Number of bytes to generate
var ns1 = this.n.sub(new bn(1));
do {
var k = new bn(drbg.generate(this.n.byteLength()));
var ns1 = this.n.sub(new BN(1));
for (var iter = 0; true; iter++) {
var k = options.k ?
options.k(iter) :
new BN(drbg.generate(this.n.byteLength()));
k = this._truncateToN(k, true);

@@ -150,7 +149,7 @@ if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)

return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
} while (true);
}
};
EC.prototype.verify = function verify(msg, signature, key, enc) {
msg = this._truncateToN(new bn(msg, 16));
msg = this._truncateToN(new BN(msg, 16));
key = this.keyFromPublic(key, enc);

@@ -184,3 +183,3 @@ signature = new Signature(signature, 'hex');

var n = this.n;
var e = new bn(msg);
var e = new BN(msg);
var r = signature.r;

@@ -187,0 +186,0 @@ var s = signature.s;

4

lib/elliptic/ec/key.js
'use strict';
var bn = require('bn.js');
var BN = require('bn.js');

@@ -75,3 +75,3 @@ function KeyPair(ec, options) {

KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
this.priv = new bn(key, enc || 16);
this.priv = new BN(key, enc || 16);

@@ -78,0 +78,0 @@ // Ensure that the priv won't be bigger than n, otherwise we may fail

10

lib/elliptic/ec/signature.js
'use strict';
var bn = require('bn.js');
var BN = require('bn.js');

@@ -17,4 +17,4 @@ var elliptic = require('../../elliptic');

assert(options.r && options.s, 'Signature without r or s');
this.r = new bn(options.r, 16);
this.s = new bn(options.s, 16);
this.r = new BN(options.r, 16);
this.s = new BN(options.s, 16);
if (options.recoveryParam !== null)

@@ -89,4 +89,4 @@ this.recoveryParam = options.recoveryParam;

this.r = new bn(r);
this.s = new bn(s);
this.r = new BN(r);
this.s = new BN(s);
this.recoveryParam = null;

@@ -93,0 +93,0 @@

4

lib/elliptic/eddsa/signature.js
'use strict';
var bn = require('bn.js');
var BN = require('bn.js');
var elliptic = require('../../elliptic');

@@ -35,3 +35,3 @@ var utils = elliptic.utils;

this._R = sig.R;
if (sig.S instanceof bn)
if (sig.S instanceof BN)
this._S = sig.S;

@@ -38,0 +38,0 @@

4

lib/elliptic/utils.js
'use strict';
var utils = exports;
var bn = require('bn.js');
var BN = require('bn.js');

@@ -170,5 +170,5 @@ utils.assert = function assert(val, msg) {

function intFromLE(bytes) {
return new bn(bytes, 'hex', 'le');
return new BN(bytes, 'hex', 'le');
}
utils.intFromLE = intFromLE;

2

package.json
{
"name": "elliptic",
"version": "6.0.2",
"version": "6.1.0",
"description": "EC cryptography",

@@ -5,0 +5,0 @@ "main": "lib/elliptic.js",

22

README.md

@@ -65,2 +65,22 @@ # Elliptic [![Build Status](https://secure.travis-ci.org/indutny/elliptic.png)](http://travis-ci.org/indutny/elliptic) [![Coverage Status](https://coveralls.io/repos/indutny/elliptic/badge.svg?branch=master&service=github)](https://coveralls.io/github/indutny/elliptic?branch=master)

console.log(key.verify(msg, derSign));
// CHECK WITH NO PRIVATE KEY
// Public key as '04 + x + y'
var pub = '04bb1fa3...';
// Signature MUST be either:
// 1) hex-string of DER-encoded signature; or
// 2) DER-encoded signature as buffer; or
// 3) object with two hex-string properties (r and s)
var signature = 'b102ac...'; // case 1
var signature = new Buffer('...'); // case 2
var signature = { r: 'b1fc...', s: '9c42...' }; // case 3
// Import public key
var key = ec.keyFromPublic(pub, 'hex');
// Verify signature
console.log(key.verify(msg, signature));
```

@@ -100,2 +120,4 @@

* `p256`
* `p384`
* `p521`
* `curve25519`

@@ -102,0 +124,0 @@ * `ed25519`

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