| require('dotenv').config(); |
|
|
| const crypto = require('crypto'); |
| const key = Buffer.from(process.env.CREDS_KEY, 'hex'); |
| const iv = Buffer.from(process.env.CREDS_IV, 'hex'); |
| const algorithm = 'aes-256-cbc'; |
|
|
| function encrypt(value) { |
| const cipher = crypto.createCipheriv(algorithm, key, iv); |
| let encrypted = cipher.update(value, 'utf8', 'hex'); |
| encrypted += cipher.final('hex'); |
| return encrypted; |
| } |
|
|
| function decrypt(encryptedValue) { |
| const decipher = crypto.createDecipheriv(algorithm, key, iv); |
| let decrypted = decipher.update(encryptedValue, 'hex', 'utf8'); |
| decrypted += decipher.final('utf8'); |
| return decrypted; |
| } |
|
|
| |
| function encryptV2(value) { |
| const gen_iv = crypto.randomBytes(16); |
| const cipher = crypto.createCipheriv(algorithm, key, gen_iv); |
| let encrypted = cipher.update(value, 'utf8', 'hex'); |
| encrypted += cipher.final('hex'); |
| return gen_iv.toString('hex') + ':' + encrypted; |
| } |
|
|
| function decryptV2(encryptedValue) { |
| const parts = encryptedValue.split(':'); |
| |
| if (parts.length === 1) { |
| return parts[0]; |
| } |
| const gen_iv = Buffer.from(parts.shift(), 'hex'); |
| const encrypted = parts.join(':'); |
| const decipher = crypto.createDecipheriv(algorithm, key, gen_iv); |
| let decrypted = decipher.update(encrypted, 'hex', 'utf8'); |
| decrypted += decipher.final('utf8'); |
| return decrypted; |
| } |
|
|
| module.exports = { encrypt, decrypt, encryptV2, decryptV2 }; |
|
|
