9mePqEcY

1import javax.crypto.{Cipher, SecretKey, SecretKeyFactory}
2import javax.crypto.spec.DESKeySpec
3
4import sun.misc.{BASE64Decoder, BASE64Encoder}
5
6/**
7  * Created by @author yuanjchen on 4/12/18
8  */
9object DesEncryptionExample extends App {
10  val key = "i_am_a_testing_key" // key must be longer than 8 chars
11  val secretKey: SecretKey = SecretKeyFactory.getInstance("des").generateSecret(new DESKeySpec(key.getBytes))
12
13  val plainText = "Hello, World"
14
15  val encoded = DESEncode(plainText)
16  println(s"text:$plainText, encoded text:$encoded")
17  assert(plainText != encoded)
18
19  val decoded = DESDecode(encoded)
20  assert(plainText == decoded)
21
22  def DESEncode(content: String): String = {
23    val cipher = Cipher.getInstance("des")
24    cipher.init(Cipher.ENCRYPT_MODE, secretKey)
25    cipher.doFinal(content.getBytes)
26    new BASE64Encoder().encode(cipher.doFinal(content.getBytes("utf-8")))
27  }
28
29  def DESDecode(content: String): String = {
30    val cipher = Cipher.getInstance("des")
31    cipher.init(Cipher.DECRYPT_MODE, secretKey)
32    new String(cipher.doFinal(new BASE64Decoder().decodeBuffer(content)),"utf-8")
33  }
34
35}