Some stuff here
14 |Something with a link to google.com here
15 |Some stuff here
16 |What about a button link? link to google.com
17 |And a mark in the text
18 |Some stuff here
19 |Some stuff here
26 |Some stuff here
27 |Some stuff here
28 |Some stuff here
37 |Some stuff here
44 |This is a box without a heading
94 |Loading Floppy Disk 1 of 4,273...
102 | 103 |
111 | 'use strict';
112 |
113 | const crypto = require('crypto');
114 |
115 | const ENCRYPTION_KEY = process.env.ENCRYPTION_KEY; // Must be 256 bytes (32 characters)
116 | const IV_LENGTH = 16; // For AES, this is always 16
117 |
118 | function encrypt(text) {
119 | let iv = crypto.randomBytes(IV_LENGTH);
120 | let cipher = crypto.createCipheriv('aes-256-cbc', new Buffer(ENCRYPTION_KEY), iv);
121 | let encrypted = cipher.update(text);
122 |
123 | encrypted = Buffer.concat([encrypted, cipher.final()]);
124 |
125 | return iv.toString('hex') + ':' + encrypted.toString('hex');
126 | }
127 |
128 | function decrypt(text) {
129 | let textParts = text.split(':');
130 | let iv = new Buffer(textParts.shift(), 'hex');
131 | let encryptedText = new Buffer(textParts.join(':'), 'hex');
132 | let decipher = crypto.createDecipheriv('aes-256-cbc', new Buffer(ENCRYPTION_KEY), iv);
133 | let decrypted = decipher.update(encryptedText);
134 |
135 | decrypted = Buffer.concat([decrypted, decipher.final()]);
136 |
137 | return decrypted.toString();
138 | }
139 |
140 | module.exports = { decrypt, encrypt };
141 |