/usr/lib/nodejs/diffie-hellman/browser.js is in node-diffie-hellman 5.0.2-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | var generatePrime = require('./lib/generatePrime')
var primes = require('./lib/primes.json')
var DH = require('./lib/dh')
function getDiffieHellman (mod) {
var prime = new Buffer(primes[mod].prime, 'hex')
var gen = new Buffer(primes[mod].gen, 'hex')
return new DH(prime, gen)
}
var ENCODINGS = {
'binary': true, 'hex': true, 'base64': true
}
function createDiffieHellman (prime, enc, generator, genc) {
if (Buffer.isBuffer(enc) || ENCODINGS[enc] === undefined) {
return createDiffieHellman(prime, 'binary', enc, generator)
}
enc = enc || 'binary'
genc = genc || 'binary'
generator = generator || new Buffer([2])
if (!Buffer.isBuffer(generator)) {
generator = new Buffer(generator, genc)
}
if (typeof prime === 'number') {
return new DH(generatePrime(prime, generator), generator, true)
}
if (!Buffer.isBuffer(prime)) {
prime = new Buffer(prime, enc)
}
return new DH(prime, generator, true)
}
exports.DiffieHellmanGroup = exports.createDiffieHellmanGroup = exports.getDiffieHellman = getDiffieHellman
exports.createDiffieHellman = exports.DiffieHellman = createDiffieHellman
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