feat: ✨ new feat to encrypt strings

package.json

@@ -38,6 +38,7 @@
     "@aws-sdk/client-ses": "^3.496.0",
     "@aws-sdk/lib-dynamodb": "^3.496.0",
     "@aws-sdk/s3-request-presigner": "^3.515.0",
+    "crypto": "^1.0.1",
     "json-bigint": "^1.0.0",
     "rimraf": "^3.0.2"
   },

src/string/encrypt.ts

@@ -0,0 +1,21 @@
+import crypto from 'crypto'
+
+export function encryptPassword (passwordToEncrypt, encryptionKey) {
+  const salt = crypto.randomBytes(16).toString('hex')
+  const key = crypto.scryptSync(encryptionKey, salt, 24)
+  const iv = Buffer.alloc(16, 0)
+  const cipher = crypto.createCipheriv('aes-192-cbc', key, iv)
+  let encryptedPassword = cipher.update(passwordToEncrypt, 'utf8', 'hex')
+  encryptedPassword += cipher.final('hex')
+  return salt + ':' + encryptedPassword
+}
+
+export function decryptPassword (storedPassword, encryptionKey) {
+  const [salt, encryptedPassword] = storedPassword.split(':')
+  const key = crypto.scryptSync(encryptionKey, salt, 24)
+  const iv = Buffer.alloc(16, 0)
+  const decipher = crypto.createDecipheriv('aes-192-cbc', key, iv)
+  let decryptedPassword = decipher.update(encryptedPassword, 'hex', 'utf8')
+  decryptedPassword += decipher.final('utf8')
+  return decryptedPassword
+}