generate-privkey.js
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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';
var oldver = false;
module.exports = function(bitlen, exp) {
bitlen = parseInt(bitlen, 10) || 2048;
exp = parseInt(exp, 10) || 65537;
try {
return require('./generate-privkey-node.js')(bitlen, exp);
} catch (e) {
if (!/generateKeyPairSync is not a function/.test(e.message)) {
throw e;
}
try {
return require('./generate-privkey-ursa.js')(bitlen, exp);
} catch (e) {
if (e.code !== 'MODULE_NOT_FOUND') {
console.error(
"[rsa-compat] Unexpected error when using 'ursa':"
);
console.error(e);
}
if (!oldver) {
oldver = true;
console.warn(
'[WARN] rsa-compat: Your version of node does not have crypto.generateKeyPair()'
);
console.warn(
"[WARN] rsa-compat: Please update to node >= v10.12 or 'npm install --save ursa node-forge'"
);
console.warn(
'[WARN] rsa-compat: Using node-forge as a fallback may be unacceptably slow.'
);
if (/arm|mips/i.test(require('os').arch)) {
console.warn(
'================================================================'
);
console.warn(' WARNING');
console.warn(
'================================================================'
);
console.warn('');
console.warn(
'WARNING: You are generating an RSA key using pure JavaScript on'
);
console.warn(
' a VERY SLOW cpu. This could take DOZENS of minutes!'
);
console.warn('');
console.warn(
" We recommend installing node >= v10.12, or 'gcc' and 'ursa'"
);
console.warn('');
console.warn('EXAMPLE:');
console.warn('');
console.warn(
' sudo apt-get install build-essential && npm install ursa'
);
console.warn('');
console.warn(
'================================================================'
);
}
}
try {
return require('./generate-privkey-forge.js')(bitlen, exp);
} catch (e) {
if (e.code !== 'MODULE_NOT_FOUND') {
throw e;
}
console.error(
'[ERROR] rsa-compat: could not generate a private key.'
);
console.error(
'None of crypto.generateKeyPair, ursa, nor node-forge are present'
);
}
}
}
};
if (require.main === module) {
var keypair = module.exports(2048, 0x10001);
console.info(keypair.privateKeyPem);
}