keypairs.js/bin/rasha.js

127 lines
2.5 KiB
JavaScript
Executable File

#!/usr/bin/env node
'use strict';
var fs = require('fs');
var Rasha = require('../rsa');
var PEM = require('@root/pem');
var ASN1 = require('@root/asn1');
var infile = process.argv[2];
var format = process.argv[3];
var msg = process.argv[4];
var sign;
if ('sign' === format) {
sign = true;
format = 'pkcs8';
}
if (!infile) {
infile = 'jwk';
}
if (
-1 !==
['jwk', 'pem', 'json', 'der', 'pkcs1', 'pkcs8', 'spki'].indexOf(infile)
) {
console.info('Generating new key...');
Rasha.generate({
format: infile,
modulusLength: parseInt(format, 10) || 2048,
encoding: parseInt(format, 10) ? null : format
})
.then(function (key) {
if ('der' === infile || 'der' === format) {
key.private = key.private.toString('binary');
key.public = key.public.toString('binary');
}
console.info(key.private);
console.info(key.public);
})
.catch(function (err) {
console.error(err);
process.exit(1);
});
return;
}
var key = fs.readFileSync(infile, 'ascii');
try {
key = JSON.parse(key);
} catch (e) {
// ignore
}
var thumbprint = 'thumbprint' === format;
if (thumbprint) {
format = 'public';
}
if ('string' === typeof key) {
if (thumbprint) {
Rasha.thumbprint({ pem: key }).then(console.info);
return;
}
if ('tpl' === format) {
var block = PEM.parseBlock(key);
var asn1 = ASN1.parse(block.der);
ASN1.tpl(asn1);
return;
}
if (sign) {
signMessage(key, msg);
return;
}
var pub = -1 !== ['public', 'spki', 'pkix'].indexOf(format);
Rasha.import({ pem: key, public: pub || format })
.then(function (jwk) {
console.info(JSON.stringify(jwk, null, 2));
})
.catch(function (err) {
console.error(err);
process.exit(1);
});
} else {
if (thumbprint) {
Rasha.thumbprint({ jwk: key }).then(console.info);
return;
}
Rasha.export({ jwk: key, format: format })
.then(function (pem) {
if (sign) {
signMessage(pem, msg);
return;
}
console.info(pem);
})
.catch(function (err) {
console.error(err);
process.exit(2);
});
}
function signMessage(pem, name) {
var msg;
try {
msg = fs.readFileSync(name);
} catch (e) {
console.warn(
'[info] input string did not exist as a file, signing the string itself'
);
msg = Buffer.from(name, 'binary');
}
var crypto = require('crypto');
var sign = crypto.createSign('SHA256');
sign.write(msg);
sign.end();
var buf = sign.sign(pem);
console.info(buf.toString('base64'));
/*
Rasha.sign({ pem: pem, message: msg, alg: 'SHA256' }).then(function (sig) {
}).catch(function () {
console.error(err);
process.exit(3);
});
*/
}