Scala encrypt decrpyt AES

encrypt_decrypt_AES.scala

import javax.crypto.{Cipher, KeyGenerator}
import javax.crypto.spec.SecretKeySpec
import java.util.Base64

val keyGenerator = KeyGenerator.getInstance("AES")
keyGenerator.init(128)

val secretKey = keyGenerator.generateKey
val encodedKey = Base64.getEncoder.encodeToString(secretKey.getEncoded)
val decodedKey = Base64.getDecoder.decode(encodedKey)
val secretKey = new SecretKeySpec(decodedKey, 0, decodedKey.length, "AES")

def createSecretKey(encodedKey:String):SecretKeySpec = {
	val decodedKey = Base64.getDecoder.decode(encodedKey)
	new SecretKeySpec(decodedKey, 0, decodedKey.length, "AES")
}

def encryptAES(plainText: String, secretKey: SecretKeySpec): String = {
	val cipher = Cipher.getInstance("AES")
	cipher.init(Cipher.ENCRYPT_MODE, secretKey)
	val encryptedBytes = cipher.doFinal(plainText.getBytes)
	Base64.getEncoder.encodeToString(encryptedBytes)
}
def encryptAES(plainText: String, encodedKey: String): String = {
	val secretKey = createSecretKey(encodedKey)
	val cipher = Cipher.getInstance("AES")
	cipher.init(Cipher.ENCRYPT_MODE, secretKey)
	val encryptedBytes = cipher.doFinal(plainText.getBytes)
	Base64.getEncoder.encodeToString(encryptedBytes)
}
  
def decryptAES(encryptedText: String, secretKey: SecretKeySpec): String = {
	val cipher = Cipher.getInstance("AES")
	cipher.init(Cipher.DECRYPT_MODE, secretKey)
	val decryptedBytes = cipher.doFinal(Base64.getDecoder.decode(encryptedText))
	new String(decryptedBytes)
}
def decryptAES(encryptedText: String, encodedKey: String): String = {
	val secretKey = createSecretKey(encodedKey)
	val cipher = Cipher.getInstance("AES")
	cipher.init(Cipher.DECRYPT_MODE, secretKey)
	val decryptedBytes = cipher.doFinal(Base64.getDecoder.decode(encryptedText))
	new String(decryptedBytes)
}


val encrypted = encryptAES("Hello", secretKey)
val decrypted = decryptAES(encrypted, secretKey)