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rsa
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// Copyright 2016-2018 AJ ONeal. All rights reserved
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
'use strict';
module.exports = function (bitlen, exp) {
var k = require('node-forge').pki.rsa
.generateKeyPair({ bits: bitlen || 2048, e: exp || 0x10001 }).privateKey;
var jwk = {
kty: "RSA"
, n: _toUrlBase64(k.n)
, e: _toUrlBase64(k.e)
, d: _toUrlBase64(k.d)
, p: _toUrlBase64(k.p)
, q: _toUrlBase64(k.q)
, dp: _toUrlBase64(k.dP)
, dq: _toUrlBase64(k.dQ)
, qi: _toUrlBase64(k.qInv)
};
return {
private: jwk
, public: {
kty: jwk.kty
, n: jwk.n
, e: jwk.e
}
};
};
function _toUrlBase64(fbn) {
var hex = fbn.toRadix(16);
if (hex.length % 2) {
// Invalid hex string
hex = '0' + hex;
}
while ('00' === hex.slice(0, 2)) {
hex = hex.slice(2);
}
return Buffer.from(hex, 'hex').toString('base64')
.replace(/\+/g, "-")
.replace(/\//g, "_")
.replace(/=/g,"")
;
}
if (require.main === module) {
var keypair = module.exports(2048, 0x10001);
console.info(keypair.private);
console.warn(keypair.public);
//console.info(keypair.privateKeyJwk);
//console.warn(keypair.publicKeyJwk);
}