Function _zeroDbl has 34 lines of code (exceeds 25 allowed). Consider refactoring.

Open

JPoint.prototype._zeroDbl = function _zeroDbl() {
  var nx;
  var ny;
  var nz;
  // Z = 1

Function _projDbl has 32 lines of code (exceeds 25 allowed). Consider refactoring.

Open

Point.prototype._projDbl = function _projDbl() {
  // hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
  //     #doubling-dbl-2008-bbjlp
  //     #doubling-dbl-2007-bl
  // and others

Function _fixedNafMul has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring.

Open

BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
  assert(p.precomputed);
  var doubles = p._getDoubles();

  var naf = getNAF(k, 1, this._bitLength);

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Function trpl has 30 lines of code (exceeds 25 allowed). Consider refactoring.

Open

JPoint.prototype.trpl = function trpl() {
  if (!this.curve.zeroA)
    return this.dbl().add(this);

  // hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl

Function _wnafMul has 29 lines of code (exceeds 25 allowed). Consider refactoring.

Open

BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
  var w = 4;

  // Precompute window
  var nafPoints = p._getNAFPoints(w);

Function dblp has a Cognitive Complexity of 10 (exceeds 5 allowed). Consider refactoring.

Open

JPoint.prototype.dblp = function dblp(pow) {
  if (pow === 0)
    return this;
  if (this.isInfinity())
    return this;

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Function Point has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

function Point(curve, x, y, z, t) {
  Base.BasePoint.call(this, curve, 'projective');
  if (x === null && y === null && z === null) {
    this.x = this.curve.zero;
    this.y = this.curve.one;

Function _fixedNafMul has 27 lines of code (exceeds 25 allowed). Consider refactoring.

Open

BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
  assert(p.precomputed);
  var doubles = p._getDoubles();

  var naf = getNAF(k, 1, this._bitLength);

Function decodePoint has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
  bytes = utils.toArray(bytes, enc);

  var len = this.p.byteLength();

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Function getNAF has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function getNAF(num, w, bits) {
  var naf = new Array(Math.max(num.bitLength(), bits) + 1);
  var i;
  for (i = 0; i < naf.length; i += 1) {
    naf[i] = 0;

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Function _getEndoBasis has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
  // aprxSqrt >= sqrt(this.n)
  var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));

  // 3.74

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Function Point has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

function Point(curve, x, y, isRed) {
  Base.BasePoint.call(this, curve, 'affine');
  if (x === null && y === null) {
    this.x = null;
    this.y = null;

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Function Point has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

function Point(curve, x, y, z, t) {

Function _wnafMulAdd has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
  points,
  coeffs,
  len,
  jacobianResult) {

Function Point has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

function Point(curve, x, z) {
  Base.BasePoint.call(this, curve, 'projective');
  if (x === null && z === null) {
    this.x = this.curve.one;
    this.z = this.curve.zero;

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Function Signature has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

function Signature(eddsa, sig) {
  this.eddsa = eddsa;

  if (typeof sig !== 'object')
    sig = parseBytes(sig);

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Function genKeyPair has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

EC.prototype.genKeyPair = function genKeyPair(options) {
  if (!options)
    options = {};

  // Instantiate Hmac_DRBG

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Function verify has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

EC.prototype.verify = function verify(msg, signature, key, enc) {
  msg = this._truncateToN(new BN(msg, 16));
  key = this.keyFromPublic(key, enc);
  signature = new Signature(signature, 'hex');

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Function BaseCurve has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

function BaseCurve(type, conf) {
  this.type = type;
  this.p = new BN(conf.p, 16);

  // Use Montgomery, when there is no fast reduction for the prime

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Avoid too many return statements within this function.

Open

    return false;