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51 lines
1.4 KiB
51 lines
1.4 KiB
'use strict';
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/*global Promise*/
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var PEM = require('./pem.js');
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var x509 = require('./x509.js');
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var ASN1 = require('./asn1.js');
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// Hacky-do, wrappy-do
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module.exports.generate = function (opts) {
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if (!opts) { opts = {}; }
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return new Promise(function (resolve, reject) {
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try {
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var modlen = opts.modulusLength || 2048;
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var exp = opts.publicExponent || 0x10001;
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var pair = require('./generate-privkey.js')(modlen,exp);
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if (pair.private) { resolve(pair); return; }
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pair = toJwks(pair);
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resolve({ private: pair.private , public: pair.public });
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} catch(e) {
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reject(e);
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}
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});
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};
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// PKCS1 to JWK only
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function toJwks(oldpair) {
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var block = PEM.parseBlock(oldpair.privateKeyPem);
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var asn1 = ASN1.parse(block.bytes);
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var jwk = { kty: 'RSA', n: null, e: null };
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jwk = x509.parsePkcs1(block.bytes, asn1, jwk);
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return { private: jwk, public: neuter(jwk) };
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}
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// Copied from rsa.js to prevent circular dep
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var privates = [ 'p', 'q', 'd', 'dp', 'dq', 'qi' ];
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function neuter(priv) {
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var pub = {};
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Object.keys(priv).forEach(function (key) {
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if (!privates.includes(key)) {
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pub[key] = priv[key];
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}
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});
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return pub;
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}
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if (require.main === module) {
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module.exports.generate().then(function (pair) {
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console.info(JSON.stringify(pair.private, null, 2));
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console.info(JSON.stringify(pair.public, null, 2));
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});
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}
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