forked from mapmeld/profanity-pgp
-
Notifications
You must be signed in to change notification settings - Fork 0
/
sign.js
55 lines (48 loc) · 1.8 KB
/
sign.js
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
43
44
45
46
47
48
49
50
51
52
53
54
55
#! /usr/bin/env node
var fs = require('fs');
var openpgp = require('openpgp');
var profanity = require('./profanity.json');
var originalSymbols = require('./originalSymbols.json');
var ur_private_key = require('./your_keys.js').ur_private_key;
var ur_private_key_pass = require('./your_keys.js').ur_private_key_pass;
var privKey = openpgp.key.readArmored(ur_private_key).keys[0];
privKey.getSigningKeyPacket().decrypt(ur_private_key_pass);
if (process.argv.length > 2) {
var fileName = process.argv[2];
fs.readFile(fileName, {encoding: 'utf-8'}, function(err, data) {
if (err) {
throw err;
} else {
doSign(data);
}
});
} else {
var plaintext = 'hello world\nthis is a test\nwhat happens next?';
doSign(plaintext);
}
function doSign(plaintext) {
openpgp.signClearMessage(privKey, plaintext).then(function(pgpMessage) {
var original = pgpMessage.split('-----BEGIN PGP SIGNATURE-----')[0];
var sig = pgpMessage.split('-----BEGIN PGP SIGNATURE-----')[1];
sig = sig.replace('OpenPGP.js', 'Profanity-PGP');
sig = sig.replace('http:https://openpgpjs.org', 'https://github.com/mapmeld/profanity-pgp');
var littlesig = sig.split('\n');
for(var l = 3; l < littlesig.length - 2; l++) {
var original_line = littlesig[l];
var new_line = [];
for(var sym = 0; sym < original_line.length; sym++) {
var symbol_index = originalSymbols.indexOf(original_line[sym]);
if(symbol_index >= profanity.length) {
new_line.push(profanity[symbol_index - profanity.length].toUpperCase());
} else {
new_line.push(profanity[symbol_index]);
}
}
littlesig[l] = new_line.join(' ');
}
sig = littlesig.join('\n');
console.log(original + '-----BEGIN PGP SIGNATURE-----' + sig);
}).catch(function(err) {
throw err;
});
}