FM / lib

/var/www/qr4y.com/server/delivery/node_modules/node-forge/lib/

/var/www/qr4y.com/server/delivery/node_modules/node-forge/lib

Name	Size	Mode	Actions
aes.js	39025	0644	edit dl rm
aesCipherSuites.js	9112	0644	edit dl rm
asn1-validator.js	2295	0644	edit dl rm
asn1.js	42831	0644	edit dl rm
baseN.js	5068	0644	edit dl rm
cipher.js	6668	0644	edit dl rm
cipherModes.js	28917	0644	edit dl rm
des.js	20445	0644	edit dl rm
ed25519.js	24941	0644	edit dl rm
forge.js	200	0644	edit dl rm
form.js	3880	0644	edit dl rm
hmac.js	3833	0644	edit dl rm
http.js	39070	0644	edit dl rm
index.all.js	366	0644	edit dl rm
index.js	640	0644	edit dl rm
jsbn.js	35188	0644	edit dl rm
kem.js	5217	0644	edit dl rm
log.js	9264	0644	edit dl rm
md.all.js	251	0644	edit dl rm
md.js	253	0644	edit dl rm
md5.js	7983	0644	edit dl rm
mgf.js	274	0644	edit dl rm
mgf1.js	1645	0644	edit dl rm
oids.js	6844	0644	edit dl rm
pbe.js	30999	0644	edit dl rm
pbkdf2.js	5809	0644	edit dl rm
pem.js	6693	0644	edit dl rm
pkcs1.js	8375	0644	edit dl rm
pkcs7.js	39869	0644	edit dl rm
pkcs7asn1.js	11484	0644	edit dl rm
pkcs12.js	33347	0644	edit dl rm
pki.js	2651	0644	edit dl rm
prime.js	8776	0644	edit dl rm
prime.worker.js	4804	0644	edit dl rm
prng.js	12326	0644	edit dl rm
pss.js	7854	0644	edit dl rm
random.js	5438	0644	edit dl rm
rc2.js	11949	0644	edit dl rm
rsa.js	60058	0644	edit dl rm
sha1.js	9089	0644	edit dl rm
sha256.js	9574	0644	edit dl rm
sha512.js	17133	0644	edit dl rm
socket.js	8329	0644	edit dl rm
ssh.js	7163	0644	edit dl rm
tls.js	132973	0644	edit dl rm
tlssocket.js	6967	0644	edit dl rm
util.js	69858	0644	edit dl rm
x509.js	101796	0644	edit dl rm
xhr.js	22116	0644	edit dl rm

Edit: /var/www/qr4y.com/server/delivery/node_modules/node-forge/lib/ed25519.js (24941B)

/**
 * JavaScript implementation of Ed25519.
 *
 * Copyright (c) 2017-2019 Digital Bazaar, Inc.
 *
 * This implementation is based on the most excellent TweetNaCl which is
 * in the public domain. Many thanks to its contributors:
 *
 * https://github.com/dchest/tweetnacl-js
 */
var forge = require('./forge');
require('./jsbn');
require('./random');
require('./sha512');
require('./util');
var asn1Validator = require('./asn1-validator');
var publicKeyValidator = asn1Validator.publicKeyValidator;
var privateKeyValidator = asn1Validator.privateKeyValidator;

if(typeof BigInteger === 'undefined') {
  var BigInteger = forge.jsbn.BigInteger;
}

var ByteBuffer = forge.util.ByteBuffer;
var NativeBuffer = typeof Buffer === 'undefined' ? Uint8Array : Buffer;

/*
 * Ed25519 algorithms, see RFC 8032:
 * https://tools.ietf.org/html/rfc8032
 */
forge.pki = forge.pki || {};
module.exports = forge.pki.ed25519 = forge.ed25519 = forge.ed25519 || {};
var ed25519 = forge.ed25519;

ed25519.constants = {};
ed25519.constants.PUBLIC_KEY_BYTE_LENGTH = 32;
ed25519.constants.PRIVATE_KEY_BYTE_LENGTH = 64;
ed25519.constants.SEED_BYTE_LENGTH = 32;
ed25519.constants.SIGN_BYTE_LENGTH = 64;
ed25519.constants.HASH_BYTE_LENGTH = 64;

ed25519.generateKeyPair = function(options) {
  options = options || {};
  var seed = options.seed;
  if(seed === undefined) {
    // generate seed
    seed = forge.random.getBytesSync(ed25519.constants.SEED_BYTE_LENGTH);
  } else if(typeof seed === 'string') {
    if(seed.length !== ed25519.constants.SEED_BYTE_LENGTH) {
      throw new TypeError(
        '"seed" must be ' + ed25519.constants.SEED_BYTE_LENGTH +
        ' bytes in length.');
    }
  } else if(!(seed instanceof Uint8Array)) {
    throw new TypeError(
      '"seed" must be a node.js Buffer, Uint8Array, or a binary string.');
  }

seed = messageToNativeBuffer({message: seed, encoding: 'binary'});

var pk = new NativeBuffer(ed25519.constants.PUBLIC_KEY_BYTE_LENGTH);
  var sk = new NativeBuffer(ed25519.constants.PRIVATE_KEY_BYTE_LENGTH);
  for(var i = 0; i < 32; ++i) {
    sk[i] = seed[i];
  }
  crypto_sign_keypair(pk, sk);
  return {publicKey: pk, privateKey: sk};
};

/**
 * Converts a private key from a RFC8410 ASN.1 encoding.
 *
 * @param obj - The asn1 representation of a private key.
 *
 * @returns {Object} keyInfo - The key information.
 * @returns {Buffer|Uint8Array} keyInfo.privateKeyBytes - 32 private key bytes.
 */
ed25519.privateKeyFromAsn1 = function(obj) {
  var capture = {};
  var errors = [];
  var valid = forge.asn1.validate(obj, privateKeyValidator, capture, errors);
  if(!valid) {
    var error = new Error('Invalid Key.');
    error.errors = errors;
    throw error;
  }
  var oid = forge.asn1.derToOid(capture.privateKeyOid);
  var ed25519Oid = forge.oids.EdDSA25519;
  if(oid !== ed25519Oid) {
    throw new Error('Invalid OID "' + oid + '"; OID must be "' +
      ed25519Oid + '".');
  }
  var privateKey = capture.privateKey;
  // manually extract the private key bytes from nested octet string, see FIXME:
  // https://github.com/digitalbazaar/forge/blob/master/lib/asn1.js#L542
  var privateKeyBytes = messageToNativeBuffer({
    message: forge.asn1.fromDer(privateKey).value,
    encoding: 'binary'
  });
  // TODO: RFC8410 specifies a format for encoding the public key bytes along
  // with the private key bytes. `publicKeyBytes` can be returned in the
  // future. https://tools.ietf.org/html/rfc8410#section-10.3
  return {privateKeyBytes: privateKeyBytes};
};

/**
 * Converts a public key from a RFC8410 ASN.1 encoding.
 *
 * @param obj - The asn1 representation of a public key.
 *
 * @return {Buffer|Uint8Array} - 32 public key bytes.
 */
ed25519.publicKeyFromAsn1 = function(obj) {
  // get SubjectPublicKeyInfo
  var capture = {};
  var errors = [];
  var valid = forge.asn1.validate(obj, publicKeyValidator, capture, errors);
  if(!valid) {
    var error = new Error('Invalid Key.');
    error.errors = errors;
    throw error;
  }
  var oid = forge.asn1.derToOid(capture.publicKeyOid);
  var ed25519Oid = forge.oids.EdDSA25519;
  if(oid !== ed25519Oid) {
    throw new Error('Invalid OID "' + oid + '"; OID must be "' +
      ed25519Oid + '".');
  }
  var publicKeyBytes = capture.ed25519PublicKey;
  if(publicKeyBytes.length !== ed25519.constants.PUBLIC_KEY_BYTE_LENGTH) {
    throw new Error('Key length is invalid.');
  }
  return messageToNativeBuffer({
    message: publicKeyBytes,
    encoding: 'binary'
  });
};

ed25519.publicKeyFromPrivateKey = function(options) {
  options = options || {};
  var privateKey = messageToNativeBuffer({
    message: options.privateKey, encoding: 'binary'
  });
  if(privateKey.length !== ed25519.constants.PRIVATE_KEY_BYTE_LENGTH) {
    throw new TypeError(
      '"options.privateKey" must have a byte length of ' +
      ed25519.constants.PRIVATE_KEY_BYTE_LENGTH);
  }

var pk = new NativeBuffer(ed25519.constants.PUBLIC_KEY_BYTE_LENGTH);
  for(var i = 0; i < pk.length; ++i) {
    pk[i] = privateKey[32 + i];
  }
  return pk;
};

ed25519.sign = function(options) {
  options = options || {};
  var msg = messageToNativeBuffer(options);
  var privateKey = messageToNativeBuffer({
    message: options.privateKey,
    encoding: 'binary'
  });
  if(privateKey.length === ed25519.constants.SEED_BYTE_LENGTH) {
    var keyPair = ed25519.generateKeyPair({seed: privateKey});
    privateKey = keyPair.privateKey;
  } else if(privateKey.length !== ed25519.constants.PRIVATE_KEY_BYTE_LENGTH) {
    throw new TypeError(
      '"options.privateKey" must have a byte length of ' +
      ed25519.constants.SEED_BYTE_LENGTH + ' or ' +
      ed25519.constants.PRIVATE_KEY_BYTE_LENGTH);
  }

var signedMsg = new NativeBuffer(
    ed25519.constants.SIGN_BYTE_LENGTH + msg.length);
  crypto_sign(signedMsg, msg, msg.length, privateKey);

var sig = new NativeBuffer(ed25519.constants.SIGN_BYTE_LENGTH);
  for(var i = 0; i < sig.length; ++i) {
    sig[i] = signedMsg[i];
  }
  return sig;
};

ed25519.verify = function(options) {
  options = options || {};
  var msg = messageToNativeBuffer(options);
  if(options.signature === undefined) {
    throw new TypeError(
      '"options.signature" must be a node.js Buffer, a Uint8Array, a forge ' +
      'ByteBuffer, or a binary string.');
  }
  var sig = messageToNativeBuffer({
    message: options.signature,
    encoding: 'binary'
  });
  if(sig.length !== ed25519.constants.SIGN_BYTE_LENGTH) {
    throw new TypeError(
      '"options.signature" must have a byte length of ' +
      ed25519.constants.SIGN_BYTE_LENGTH);
  }
  var publicKey = messageToNativeBuffer({
    message: options.publicKey,
    encoding: 'binary'
  });
  if(publicKey.length !== ed25519.constants.PUBLIC_KEY_BYTE_LENGTH) {
    throw new TypeError(
      '"options.publicKey" must have a byte length of ' +
      ed25519.constants.PUBLIC_KEY_BYTE_LENGTH);
  }

var sm = new NativeBuffer(ed25519.constants.SIGN_BYTE_LENGTH + msg.length);
  var m = new NativeBuffer(ed25519.constants.SIGN_BYTE_LENGTH + msg.length);
  var i;
  for(i = 0; i < ed25519.constants.SIGN_BYTE_LENGTH; ++i) {
    sm[i] = sig[i];
  }
  for(i = 0; i < msg.length; ++i) {
    sm[i + ed25519.constants.SIGN_BYTE_LENGTH] = msg[i];
  }
  return (crypto_sign_open(m, sm, sm.length, publicKey) >= 0);
};

function messageToNativeBuffer(options) {
  var message = options.message;
  if(message instanceof Uint8Array || message instanceof NativeBuffer) {
    return message;
  }

if(typeof message === 'string' && !encoding) {
    throw new TypeError('"options.encoding" must be "binary" or "utf8".');
  }

if(typeof message === 'string') {
    if(typeof Buffer !== 'undefined') {
      return Buffer.from(message, encoding);
    }
    message = new ByteBuffer(message, encoding);
  } else if(!(message instanceof ByteBuffer)) {
    throw new TypeError(
      '"options.message" must be a node.js Buffer, a Uint8Array, a forge ' +
      'ByteBuffer, or a string with "options.encoding" specifying its ' +
      'encoding.');
  }

// convert to native buffer
  var buffer = new NativeBuffer(message.length());
  for(var i = 0; i < buffer.length; ++i) {
    buffer[i] = message.at(i);
  }
  return buffer;
}

var gf0 = gf();
var gf1 = gf([1]);
var D = gf([
  0x78a3, 0x1359, 0x4dca, 0x75eb, 0xd8ab, 0x4141, 0x0a4d, 0x0070,
  0xe898, 0x7779, 0x4079, 0x8cc7, 0xfe73, 0x2b6f, 0x6cee, 0x5203]);
var D2 = gf([
  0xf159, 0x26b2, 0x9b94, 0xebd6, 0xb156, 0x8283, 0x149a, 0x00e0,
  0xd130, 0xeef3, 0x80f2, 0x198e, 0xfce7, 0x56df, 0xd9dc, 0x2406]);
var X = gf([
  0xd51a, 0x8f25, 0x2d60, 0xc956, 0xa7b2, 0x9525, 0xc760, 0x692c,
  0xdc5c, 0xfdd6, 0xe231, 0xc0a4, 0x53fe, 0xcd6e, 0x36d3, 0x2169]);
var Y = gf([
  0x6658, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666,
  0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666, 0x6666]);
var L = new Float64Array([
  0xed, 0xd3, 0xf5, 0x5c, 0x1a, 0x63, 0x12, 0x58,
  0xd6, 0x9c, 0xf7, 0xa2, 0xde, 0xf9, 0xde, 0x14,
  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x10]);
var I = gf([
  0xa0b0, 0x4a0e, 0x1b27, 0xc4ee, 0xe478, 0xad2f, 0x1806, 0x2f43,
  0xd7a7, 0x3dfb, 0x0099, 0x2b4d, 0xdf0b, 0x4fc1, 0x2480, 0x2b83]);

// TODO: update forge buffer implementation to use `Buffer` or `Uint8Array`,
// whichever is available, to improve performance
function sha512(msg, msgLen) {
  // Note: `out` and `msg` are NativeBuffer
  var md = forge.md.sha512.create();
  var buffer = new ByteBuffer(msg);
  md.update(buffer.getBytes(msgLen), 'binary');
  var hash = md.digest().getBytes();
  if(typeof Buffer !== 'undefined') {
    return Buffer.from(hash, 'binary');
  }
  var out = new NativeBuffer(ed25519.constants.HASH_BYTE_LENGTH);
  for(var i = 0; i < 64; ++i) {
    out[i] = hash.charCodeAt(i);
  }
  return out;
}

function crypto_sign_keypair(pk, sk) {
  var p = [gf(), gf(), gf(), gf()];
  var i;

var d = sha512(sk, 32);
  d[0] &= 248;
  d[31] &= 127;
  d[31] |= 64;

scalarbase(p, d);
  pack(pk, p);

for(i = 0; i < 32; ++i) {
    sk[i + 32] = pk[i];
  }
  return 0;
}

// Note: difference from C - smlen returned, not passed as argument.
function crypto_sign(sm, m, n, sk) {
  var i, j, x = new Float64Array(64);
  var p = [gf(), gf(), gf(), gf()];

var d = sha512(sk, 32);
  d[0] &= 248;
  d[31] &= 127;
  d[31] |= 64;

var smlen = n + 64;
  for(i = 0; i < n; ++i) {
    sm[64 + i] = m[i];
  }
  for(i = 0; i < 32; ++i) {
    sm[32 + i] = d[32 + i];
  }

var r = sha512(sm.subarray(32), n + 32);
  reduce(r);
  scalarbase(p, r);
  pack(sm, p);

for(i = 32; i < 64; ++i) {
    sm[i] = sk[i];
  }
  var h = sha512(sm, n + 64);
  reduce(h);

for(i = 32; i < 64; ++i) {
    x[i] = 0;
  }
  for(i = 0; i < 32; ++i) {
    x[i] = r[i];
  }
  for(i = 0; i < 32; ++i) {
    for(j = 0; j < 32; j++) {
      x[i + j] += h[i] * d[j];
    }
  }

modL(sm.subarray(32), x);
  return smlen;
}

function crypto_sign_open(m, sm, n, pk) {
  var i, mlen;
  var t = new NativeBuffer(32);
  var p = [gf(), gf(), gf(), gf()],
      q = [gf(), gf(), gf(), gf()];

mlen = -1;
  if(n < 64) {
    return -1;
  }

if(unpackneg(q, pk)) {
    return -1;
  }

for(i = 0; i < n; ++i) {
    m[i] = sm[i];
  }
  for(i = 0; i < 32; ++i) {
    m[i + 32] = pk[i];
  }
  var h = sha512(m, n);
  reduce(h);
  scalarmult(p, q, h);

scalarbase(q, sm.subarray(32));
  add(p, q);
  pack(t, p);

n -= 64;
  if(crypto_verify_32(sm, 0, t, 0)) {
    for(i = 0; i < n; ++i) {
      m[i] = 0;
    }
    return -1;
  }

for(i = 0; i < n; ++i) {
    m[i] = sm[i + 64];
  }
  mlen = n;
  return mlen;
}

function reduce(r) {
  var x = new Float64Array(64);
  for(var i = 0; i < 64; ++i) {
    x[i] = r[i];
    r[i] = 0;
  }
  modL(r, x);
}

function add(p, q) {
  var a = gf(), b = gf(), c = gf(),
      d = gf(), e = gf(), f = gf(),
      g = gf(), h = gf(), t = gf();

Z(a, p[1], p[0]);
  Z(t, q[1], q[0]);
  M(a, a, t);
  A(b, p[0], p[1]);
  A(t, q[0], q[1]);
  M(b, b, t);
  M(c, p[3], q[3]);
  M(c, c, D2);
  M(d, p[2], q[2]);
  A(d, d, d);
  Z(e, b, a);
  Z(f, d, c);
  A(g, d, c);
  A(h, b, a);

M(p[0], e, f);
  M(p[1], h, g);
  M(p[2], g, f);
  M(p[3], e, h);
}

function cswap(p, q, b) {
  for(var i = 0; i < 4; ++i) {
    sel25519(p[i], q[i], b);
  }
}

function pack(r, p) {
  var tx = gf(), ty = gf(), zi = gf();
  inv25519(zi, p[2]);
  M(tx, p[0], zi);
  M(ty, p[1], zi);
  pack25519(r, ty);
  r[31] ^= par25519(tx) << 7;
}

function unpackneg(r, p) {
  var t = gf(), chk = gf(), num = gf(),
      den = gf(), den2 = gf(), den4 = gf(),
      den6 = gf();

set25519(r[2], gf1);
  unpack25519(r[1], p);
  S(num, r[1]);
  M(den, num, D);
  Z(num, num, r[2]);
  A(den, r[2], den);

S(den2, den);
  S(den4, den2);
  M(den6, den4, den2);
  M(t, den6, num);
  M(t, t, den);

pow2523(t, t);
  M(t, t, num);
  M(t, t, den);
  M(t, t, den);
  M(r[0], t, den);

S(chk, r[0]);
  M(chk, chk, den);
  if(neq25519(chk, num)) {
    M(r[0], r[0], I);
  }

S(chk, r[0]);
  M(chk, chk, den);
  if(neq25519(chk, num)) {
    return -1;
  }

if(par25519(r[0]) === (p[31] >> 7)) {
    Z(r[0], gf0, r[0]);
  }

M(r[3], r[0], r[1]);
  return 0;
}

function unpack25519(o, n) {
  var i;
  for(i = 0; i < 16; ++i) {
    o[i] = n[2 * i] + (n[2 * i + 1] << 8);
  }
  o[15] &= 0x7fff;
}

function neq25519(a, b) {
  var c = new NativeBuffer(32);
  var d = new NativeBuffer(32);
  pack25519(c, a);
  pack25519(d, b);
  return crypto_verify_32(c, 0, d, 0);
}

function crypto_verify_32(x, xi, y, yi) {
  return vn(x, xi, y, yi, 32);
}

function vn(x, xi, y, yi, n) {
  var i, d = 0;
  for(i = 0; i < n; ++i) {
    d |= x[xi + i] ^ y[yi + i];
  }
  return (1 & ((d - 1) >>> 8)) - 1;
}

function par25519(a) {
  var d = new NativeBuffer(32);
  pack25519(d, a);
  return d[0] & 1;
}

function scalarmult(p, q, s) {
  var b, i;
  set25519(p[0], gf0);
  set25519(p[1], gf1);
  set25519(p[2], gf1);
  set25519(p[3], gf0);
  for(i = 255; i >= 0; --i) {
    b = (s[(i / 8)|0] >> (i & 7)) & 1;
    cswap(p, q, b);
    add(q, p);
    add(p, p);
    cswap(p, q, b);
  }
}

function scalarbase(p, s) {
  var q = [gf(), gf(), gf(), gf()];
  set25519(q[0], X);
  set25519(q[1], Y);
  set25519(q[2], gf1);
  M(q[3], X, Y);
  scalarmult(p, q, s);
}

function set25519(r, a) {
  var i;
  for(i = 0; i < 16; i++) {
    r[i] = a[i] | 0;
  }
}

function car25519(o) {
  var i, v, c = 1;
  for(i = 0; i < 16; ++i) {
    v = o[i] + c + 65535;
    c = Math.floor(v / 65536);
    o[i] = v - c * 65536;
  }
  o[0] += c - 1 + 37 * (c - 1);
}

function sel25519(p, q, b) {
  var t, c = ~(b - 1);
  for(var i = 0; i < 16; ++i) {
    t = c & (p[i] ^ q[i]);
    p[i] ^= t;
    q[i] ^= t;
  }
}

function gf(init) {
  var i, r = new Float64Array(16);
  if(init) {
    for(i = 0; i < init.length; ++i) {
      r[i] = init[i];
    }
  }
  return r;
}

function A(o, a, b) {
  for(var i = 0; i < 16; ++i) {
    o[i] = a[i] + b[i];
  }
}

function Z(o, a, b) {
  for(var i = 0; i < 16; ++i) {
    o[i] = a[i] - b[i];
  }
}

function S(o, a) {
  M(o, a, a);
}

function M(o, a, b) {
  var v, c,
     t0 = 0,  t1 = 0,  t2 = 0,  t3 = 0,  t4 = 0,  t5 = 0,  t6 = 0,  t7 = 0,
     t8 = 0,  t9 = 0, t10 = 0, t11 = 0, t12 = 0, t13 = 0, t14 = 0, t15 = 0,
    t16 = 0, t17 = 0, t18 = 0, t19 = 0, t20 = 0, t21 = 0, t22 = 0, t23 = 0,
    t24 = 0, t25 = 0, t26 = 0, t27 = 0, t28 = 0, t29 = 0, t30 = 0,
    b0 = b[0],
    b1 = b[1],
    b2 = b[2],
    b3 = b[3],
    b4 = b[4],
    b5 = b[5],
    b6 = b[6],
    b7 = b[7],
    b8 = b[8],
    b9 = b[9],
    b10 = b[10],
    b11 = b[11],
    b12 = b[12],
    b13 = b[13],
    b14 = b[14],
    b15 = b[15];

v = a[0];
  t0 += v * b0;
  t1 += v * b1;
  t2 += v * b2;
  t3 += v * b3;
  t4 += v * b4;
  t5 += v * b5;
  t6 += v * b6;
  t7 += v * b7;
  t8 += v * b8;
  t9 += v * b9;
  t10 += v * b10;
  t11 += v * b11;
  t12 += v * b12;
  t13 += v * b13;
  t14 += v * b14;
  t15 += v * b15;
  v = a[1];
  t1 += v * b0;
  t2 += v * b1;
  t3 += v * b2;
  t4 += v * b3;
  t5 += v * b4;
  t6 += v * b5;
  t7 += v * b6;
  t8 += v * b7;
  t9 += v * b8;
  t10 += v * b9;
  t11 += v * b10;
  t12 += v * b11;
  t13 += v * b12;
  t14 += v * b13;
  t15 += v * b14;
  t16 += v * b15;
  v = a[2];
  t2 += v * b0;
  t3 += v * b1;
  t4 += v * b2;
  t5 += v * b3;
  t6 += v * b4;
  t7 += v * b5;
  t8 += v * b6;
  t9 += v * b7;
  t10 += v * b8;
  t11 += v * b9;
  t12 += v * b10;
  t13 += v * b11;
  t14 += v * b12;
  t15 += v * b13;
  t16 += v * b14;
  t17 += v * b15;
  v = a[3];
  t3 += v * b0;
  t4 += v * b1;
  t5 += v * b2;
  t6 += v * b3;
  t7 += v * b4;
  t8 += v * b5;
  t9 += v * b6;
  t10 += v * b7;
  t11 += v * b8;
  t12 += v * b9;
  t13 += v * b10;
  t14 += v * b11;
  t15 += v * b12;
  t16 += v * b13;
  t17 += v * b14;
  t18 += v * b15;
  v = a[4];
  t4 += v * b0;
  t5 += v * b1;
  t6 += v * b2;
  t7 += v * b3;
  t8 += v * b4;
  t9 += v * b5;
  t10 += v * b6;
  t11 += v * b7;
  t12 += v * b8;
  t13 += v * b9;
  t14 += v * b10;
  t15 += v * b11;
  t16 += v * b12;
  t17 += v * b13;
  t18 += v * b14;
  t19 += v * b15;
  v = a[5];
  t5 += v * b0;
  t6 += v * b1;
  t7 += v * b2;
  t8 += v * b3;
  t9 += v * b4;
  t10 += v * b5;
  t11 += v * b6;
  t12 += v * b7;
  t13 += v * b8;
  t14 += v * b9;
  t15 += v * b10;
  t16 += v * b11;
  t17 += v * b12;
  t18 += v * b13;
  t19 += v * b14;
  t20 += v * b15;
  v = a[6];
  t6 += v * b0;
  t7 += v * b1;
  t8 += v * b2;
  t9 += v * b3;
  t10 += v * b4;
  t11 += v * b5;
  t12 += v * b6;
  t13 += v * b7;
  t14 += v * b8;
  t15 += v * b9;
  t16 += v * b10;
  t17 += v * b11;
  t18 += v * b12;
  t19 += v * b13;
  t20 += v * b14;
  t21 += v * b15;
  v = a[7];
  t7 += v * b0;
  t8 += v * b1;
  t9 += v * b2;
  t10 += v * b3;
  t11 += v * b4;
  t12 += v * b5;
  t13 += v * b6;
  t14 += v * b7;
  t15 += v * b8;
  t16 += v * b9;
  t17 += v * b10;
  t18 += v * b11;
  t19 += v * b12;
  t20 += v * b13;
  t21 += v * b14;
  t22 += v * b15;
  v = a[8];
  t8 += v * b0;
  t9 += v * b1;
  t10 += v * b2;
  t11 += v * b3;
  t12 += v * b4;
  t13 += v * b5;
  t14 += v * b6;
  t15 += v * b7;
  t16 += v * b8;
  t17 += v * b9;
  t18 += v * b10;
  t19 += v * b11;
  t20 += v * b12;
  t21 += v * b13;
  t22 += v * b14;
  t23 += v * b15;
  v = a[9];
  t9 += v * b0;
  t10 += v * b1;
  t11 += v * b2;
  t12 += v * b3;
  t13 += v * b4;
  t14 += v * b5;
  t15 += v * b6;
  t16 += v * b7;
  t17 += v * b8;
  t18 += v * b9;
  t19 += v * b10;
  t20 += v * b11;
  t21 += v * b12;
  t22 += v * b13;
  t23 += v * b14;
  t24 += v * b15;
  v = a[10];
  t10 += v * b0;
  t11 += v * b1;
  t12 += v * b2;
  t13 += v * b3;
  t14 += v * b4;
  t15 += v * b5;
  t16 += v * b6;
  t17 += v * b7;
  t18 += v * b8;
  t19 += v * b9;
  t20 += v * b10;
  t21 += v * b11;
  t22 += v * b12;
  t23 += v * b13;
  t24 += v * b14;
  t25 += v * b15;
  v = a[11];
  t11 += v * b0;
  t12 += v * b1;
  t13 += v * b2;
  t14 += v * b3;
  t15 += v * b4;
  t16 += v * b5;
  t17 += v * b6;
  t18 += v * b7;
  t19 += v * b8;
  t20 += v * b9;
  t21 += v * b10;
  t22 += v * b11;
  t23 += v * b12;
  t24 += v * b13;
  t25 += v * b14;
  t26 += v * b15;
  v = a[12];
  t12 += v * b0;
  t13 += v * b1;
  t14 += v * b2;
  t15 += v * b3;
  t16 += v * b4;
  t17 += v * b5;
  t18 += v * b6;
  t19 += v * b7;
  t20 += v * b8;
  t21 += v * b9;
  t22 += v * b10;
  t23 += v * b11;
  t24 += v * b12;
  t25 += v * b13;
  t26 += v * b14;
  t27 += v * b15;
  v = a[13];
  t13 += v * b0;
  t14 += v * b1;
  t15 += v * b2;
  t16 += v * b3;
  t17 += v * b4;
  t18 += v * b5;
  t19 += v * b6;
  t20 += v * b7;
  t21 += v * b8;
  t22 += v * b9;
  t23 += v * b10;
  t24 += v * b11;
  t25 += v * b12;
  t26 += v * b13;
  t27 += v * b14;
  t28 += v * b15;
  v = a[14];
  t14 += v * b0;
  t15 += v * b1;
  t16 += v * b2;
  t17 += v * b3;
  t18 += v * b4;
  t19 += v * b5;
  t20 += v * b6;
  t21 += v * b7;
  t22 += v * b8;
  t23 += v * b9;
  t24 += v * b10;
  t25 += v * b11;
  t26 += v * b12;
  t27 += v * b13;
  t28 += v * b14;
  t29 += v * b15;
  v = a[15];
  t15 += v * b0;
  t16 += v * b1;
  t17 += v * b2;
  t18 += v * b3;
  t19 += v * b4;
  t20 += v * b5;
  t21 += v * b6;
  t22 += v * b7;
  t23 += v * b8;
  t24 += v * b9;
  t25 += v * b10;
  t26 += v * b11;
  t27 += v * b12;
  t28 += v * b13;
  t29 += v * b14;
  t30 += v * b15;

t0  += 38 * t16;
  t1  += 38 * t17;
  t2  += 38 * t18;
  t3  += 38 * t19;
  t4  += 38 * t20;
  t5  += 38 * t21;
  t6  += 38 * t22;
  t7  += 38 * t23;
  t8  += 38 * t24;
  t9  += 38 * t25;
  t10 += 38 * t26;
  t11 += 38 * t27;
  t12 += 38 * t28;
  t13 += 38 * t29;
  t14 += 38 * t30;
  // t15 left as is

// first car
  c = 1;
  v =  t0 + c + 65535; c = Math.floor(v / 65536);  t0 = v - c * 65536;
  v =  t1 + c + 65535; c = Math.floor(v / 65536);  t1 = v - c * 65536;
  v =  t2 + c + 65535; c = Math.floor(v / 65536);  t2 = v - c * 65536;
  v =  t3 + c + 65535; c = Math.floor(v / 65536);  t3 = v - c * 65536;
  v =  t4 + c + 65535; c = Math.floor(v / 65536);  t4 = v - c * 65536;
  v =  t5 + c + 65535; c = Math.floor(v / 65536);  t5 = v - c * 65536;
  v =  t6 + c + 65535; c = Math.floor(v / 65536);  t6 = v - c * 65536;
  v =  t7 + c + 65535; c = Math.floor(v / 65536);  t7 = v - c * 65536;
  v =  t8 + c + 65535; c = Math.floor(v / 65536);  t8 = v - c * 65536;
  v =  t9 + c + 65535; c = Math.floor(v / 65536);  t9 = v - c * 65536;
  v = t10 + c + 65535; c = Math.floor(v / 65536); t10 = v - c * 65536;
  v = t11 + c + 65535; c = Math.floor(v / 65536); t11 = v - c * 65536;
  v = t12 + c + 65535; c = Math.floor(v / 65536); t12 = v - c * 65536;
  v = t13 + c + 65535; c = Math.floor(v / 65536); t13 = v - c * 65536;
  v = t14 + c + 65535; c = Math.floor(v / 65536); t14 = v - c * 65536;
  v = t15 + c + 65535; c = Math.floor(v / 65536); t15 = v - c * 65536;
  t0 += c-1 + 37 * (c-1);

// second car
  c = 1;
  v =  t0 + c + 65535; c = Math.floor(v / 65536);  t0 = v - c * 65536;
  v =  t1 + c + 65535; c = Math.floor(v / 65536);  t1 = v - c * 65536;
  v =  t2 + c + 65535; c = Math.floor(v / 65536);  t2 = v - c * 65536;
  v =  t3 + c + 65535; c = Math.floor(v / 65536);  t3 = v - c * 65536;
  v =  t4 + c + 65535; c = Math.floor(v / 65536);  t4 = v - c * 65536;
  v =  t5 + c + 65535; c = Math.floor(v / 65536);  t5 = v - c * 65536;
  v =  t6 + c + 65535; c = Math.floor(v / 65536);  t6 = v - c * 65536;
  v =  t7 + c + 65535; c = Math.floor(v / 65536);  t7 = v - c * 65536;
  v =  t8 + c + 65535; c = Math.floor(v / 65536);  t8 = v - c * 65536;
  v =  t9 + c + 65535; c = Math.floor(v / 65536);  t9 = v - c * 65536;
  v = t10 + c + 65535; c = Math.floor(v / 65536); t10 = v - c * 65536;
  v = t11 + c + 65535; c = Math.floor(v / 65536); t11 = v - c * 65536;
  v = t12 + c + 65535; c = Math.floor(v / 65536); t12 = v - c * 65536;
  v = t13 + c + 65535; c = Math.floor(v / 65536); t13 = v - c * 65536;
  v = t14 + c + 65535; c = Math.floor(v / 65536); t14 = v - c * 65536;
  v = t15 + c + 65535; c = Math.floor(v / 65536); t15 = v - c * 65536;
  t0 += c-1 + 37 * (c-1);

o[ 0] = t0;
  o[ 1] = t1;
  o[ 2] = t2;
  o[ 3] = t3;
  o[ 4] = t4;
  o[ 5] = t5;
  o[ 6] = t6;
  o[ 7] = t7;
  o[ 8] = t8;
  o[ 9] = t9;
  o[10] = t10;
  o[11] = t11;
  o[12] = t12;
  o[13] = t13;
  o[14] = t14;
  o[15] = t15;
}

cmd: