made with esnextbin
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June 1, 2017 20:55
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esnextbin sketch
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>ESNextbin Sketch</title> | |
| <!-- put additional styles and scripts here --> | |
| </head> | |
| <body> | |
| <!-- put markup and other contents here --> | |
| <pre id='code'></pre> | |
| </body> | |
| </html> |
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| const crypto = require('crypto'); | |
| const randomstring = require('randomstring'); | |
| const length = 32; | |
| const ENCRYPTION_KEY = randomstring.generate({ length }); | |
| const ENCRYPTION_ALGORITHM = 'aes-256-ctr'; | |
| const IV_LENGTH = 16; // For AES, this is always 16 | |
| const pii = { | |
| firstName: 'Nate', | |
| lastName: 'Clark', | |
| ssn: '1234567890', | |
| phones: { | |
| mobile: '+12345678901', | |
| }, | |
| }; | |
| function encrypt(text) { | |
| let iv = crypto.randomBytes(IV_LENGTH); | |
| let cipher = crypto.createCipheriv('aes-256-cbc', new Buffer(ENCRYPTION_KEY), iv); | |
| let encrypted = cipher.update(text); | |
| encrypted = Buffer.concat([encrypted, cipher.final()]); | |
| return iv.toString('hex') + ':' + encrypted.toString('hex'); | |
| } | |
| function decrypt(text) { | |
| let textParts = text.split(':'); | |
| let iv = new Buffer(textParts.shift(), 'hex'); | |
| let encryptedText = new Buffer(textParts.join(':'), 'hex'); | |
| let decipher = crypto.createDecipheriv(ENCRYPTION_ALGORITHM, new Buffer(ENCRYPTION_KEY), iv); | |
| let decrypted = decipher.update(encryptedText); | |
| decrypted = Buffer.concat([decrypted, decipher.final()]); | |
| return decrypted.toString(); | |
| } | |
| module.exports = { decrypt, encrypt }; |
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| { | |
| "name": "esnextbin-sketch", | |
| "version": "0.0.0", | |
| "dependencies": { | |
| "randomstring": "1.1.5", | |
| "undefined": "v4.5.0" | |
| } | |
| } |
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| 'use strict'; | |
| var crypto = require('crypto'); | |
| var randomstring = require('randomstring'); | |
| var length = 32; | |
| var ENCRYPTION_KEY = randomstring.generate({ length: length }); | |
| var ENCRYPTION_ALGORITHM = 'aes-256-ctr'; | |
| var IV_LENGTH = 16; // For AES, this is always 16 | |
| var pii = { | |
| firstName: 'Nate', | |
| lastName: 'Clark', | |
| ssn: '1234567890', | |
| phones: { | |
| mobile: '+12345678901' | |
| } | |
| }; | |
| function encrypt(text) { | |
| var iv = crypto.randomBytes(IV_LENGTH); | |
| var cipher = crypto.createCipheriv('aes-256-cbc', new Buffer(ENCRYPTION_KEY), iv); | |
| var encrypted = cipher.update(text); | |
| encrypted = Buffer.concat([encrypted, cipher.final()]); | |
| return iv.toString('hex') + ':' + encrypted.toString('hex'); | |
| } | |
| function decrypt(text) { | |
| var textParts = text.split(':'); | |
| var iv = new Buffer(textParts.shift(), 'hex'); | |
| var encryptedText = new Buffer(textParts.join(':'), 'hex'); | |
| var decipher = crypto.createDecipheriv(ENCRYPTION_ALGORITHM, new Buffer(ENCRYPTION_KEY), iv); | |
| var decrypted = decipher.update(encryptedText); | |
| decrypted = Buffer.concat([decrypted, decipher.final()]); | |
| return decrypted.toString(); | |
| } | |
| module.exports = { decrypt: decrypt, encrypt: encrypt }; |
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