node_modules

6 files changed, 220 insertions, 0 deletions

diff --git a/node_modules/miller-rabin/.npmignore b/node_modules/miller-rabin/.npmignore
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+node_modules/
+npm-debug.log
diff --git a/node_modules/miller-rabin/README.md b/node_modules/miller-rabin/README.md
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+# Miller-Rabin
+
+#### LICENSE
+
+This software is licensed under the MIT License.
+
+Copyright Fedor Indutny, 2014.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the
+following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/node_modules/miller-rabin/bin/miller-rabin b/node_modules/miller-rabin/bin/miller-rabin
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+++ b/node_modules/miller-rabin/bin/miller-rabin
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+#!/usr/bin/env node
+var bn = require('bn.js');
+var fs = require('fs');
+var mr = require('../').create();
+
+var num = '';
+if (process.argv[2]) {
+  num += fs.readFileSync(process.argv[2]);
+  start(num);
+} else {
+  process.stdin.on('data', function(chunk) {
+    num += chunk.toString().replace(/[^0-9a-f]/gi, '');
+  });
+  process.stdin.once('end', function() {
+    start(num);
+  });
+}
+
+function start(text) {
+  var num = new bn(text, 16);
+
+  var divisor = mr.getDivisor(num);
+  if (!divisor)
+    process.exit(1);
+  if (divisor.cmpn(1) === 0)
+    process.exit(0);
+
+  console.log(divisor.toString(16));
+}
diff --git a/node_modules/miller-rabin/lib/mr.js b/node_modules/miller-rabin/lib/mr.js
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+var bn = require('bn.js');
+var brorand = require('brorand');
+
+function MillerRabin(rand) {
+  this.rand = rand || new brorand.Rand();
+}
+module.exports = MillerRabin;
+
+MillerRabin.create = function create(rand) {
+  return new MillerRabin(rand);
+};
+
+MillerRabin.prototype._rand = function _rand(n) {
+  var len = n.bitLength();
+  var buf = this.rand.generate(Math.ceil(len / 8));
+
+  // Set low bits
+  buf[0] |= 3;
+
+  // Mask high bits
+  var mask = len & 0x7;
+  if (mask !== 0)
+    buf[buf.length - 1] >>= 7 - mask;
+
+  return new bn(buf);
+}
+
+MillerRabin.prototype.test = function test(n, k, cb) {
+  var len = n.bitLength();
+  var red = bn.mont(n);
+  var rone = new bn(1).toRed(red);
+
+  if (!k)
+    k = Math.max(1, (len / 48) | 0);
+
+  // Find d and s, (n - 1) = (2 ^ s) * d;
+  var n1 = n.subn(1);
+  var n2 = n1.subn(1);
+  for (var s = 0; !n1.testn(s); s++) {}
+  var d = n.shrn(s);
+
+  var rn1 = n1.toRed(red);
+
+  var prime = true;
+  for (; k > 0; k--) {
+    var a = this._rand(n2);
+    if (cb)
+      cb(a);
+
+    var x = a.toRed(red).redPow(d);
+    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
+      continue;
+
+    for (var i = 1; i < s; i++) {
+      x = x.redSqr();
+
+      if (x.cmp(rone) === 0)
+        return false;
+      if (x.cmp(rn1) === 0)
+        break;
+    }
+
+    if (i === s)
+      return false;
+  }
+
+  return prime;
+};
+
+MillerRabin.prototype.getDivisor = function getDivisor(n, k) {
+  var len = n.bitLength();
+  var red = bn.mont(n);
+  var rone = new bn(1).toRed(red);
+
+  if (!k)
+    k = Math.max(1, (len / 48) | 0);
+
+  // Find d and s, (n - 1) = (2 ^ s) * d;
+  var n1 = n.subn(1);
+  var n2 = n1.subn(1);
+  for (var s = 0; !n1.testn(s); s++) {}
+  var d = n.shrn(s);
+
+  var rn1 = n1.toRed(red);
+
+  for (; k > 0; k--) {
+    var a = this._rand(n2);
+
+    var g = n.gcd(a);
+    if (g.cmpn(1) !== 0)
+      return g;
+
+    var x = a.toRed(red).redPow(d);
+    if (x.cmp(rone) === 0 || x.cmp(rn1) === 0)
+      continue;
+
+    for (var i = 1; i < s; i++) {
+      x = x.redSqr();
+
+      if (x.cmp(rone) === 0)
+        return x.fromRed().subn(1).gcd(n);
+      if (x.cmp(rn1) === 0)
+        break;
+    }
+
+    if (i === s) {
+      x = x.redSqr();
+      return x.fromRed().subn(1).gcd(n);
+    }
+  }
+
+  return false;
+};
diff --git a/node_modules/miller-rabin/package.json b/node_modules/miller-rabin/package.json
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+{
+  "name": "miller-rabin",
+  "version": "4.0.0",
+  "description": "Miller Rabin algorithm for primality test",
+  "main": "lib/mr.js",
+  "bin": "bin/miller-rabin",
+  "scripts": {
+    "test": "mocha --reporter=spec test/**/*-test.js"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/miller-rabin"
+  },
+  "keywords": [
+    "prime",
+    "miller-rabin",
+    "bignumber"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/miller-rabin/issues"
+  },
+  "homepage": "https://github.com/indutny/miller-rabin",
+  "devDependencies": {
+    "mocha": "^2.0.1"
+  },
+  "dependencies": {
+    "bn.js": "^4.0.0",
+    "brorand": "^1.0.1"
+  }
+}
diff --git a/node_modules/miller-rabin/test/api-test.js b/node_modules/miller-rabin/test/api-test.js
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+var assert = require('assert');
+var mr = require('../').create();
+var bn = require('bn.js');
+
+describe('Miller-Rabin', function() {
+  it('should test number for primality', function() {
+    assert(!mr.test(new bn(221)));
+    assert(mr.test(new bn(257)));
+
+    var p = new bn('dba8191813fe8f51eaae1de70213aafede8f323f95f32cff' +
+                   '8b64ebada275cfb18a446a0150e5fdaee246244c5f002ce0' +
+                   'aca97584be1745f2dd1eea2849c52aac8c4b5fb78a1c4da7' +
+                   '052774338d3310a6e020c46168cb1f94014e9312511cc4fb' +
+                   '79d695bb732449f0e015745b86bfa371dc6ca7386e9c7309' +
+                   '5549c2e4b8002873', 16);
+    assert(mr.test(p));
+  });
+});