/** * * D3ESCBC * Ledger wallet * * Created by Pierre Pollastri on 05/02/15. * * The MIT License (MIT) * * Copyright (c) 2015 Ledger * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * */ package co.ledger.wallet.core.crypto import javax.crypto.Cipher import javax.crypto.spec.{SecretKeySpec, IvParameterSpec} class D3ESCBC(secret: Array[Byte], IV: Option[Array[Byte]] = None) { Crypto.ensureSpongyIsInserted() if (IV.isDefined && IV.get.length != 8) { throw new IllegalArgumentException("Initialization Vector must be a 8 bytes array") } private[this] val iv = new IvParameterSpec(IV.getOrElse(Array[Byte](0, 0, 0, 0, 0, 0, 0, 0))) private[this] val cipher = Cipher.getInstance("DESede/CBC/NoPadding", "BC") private[this] val secretKey = new SecretKeySpec(secret, "DESede") def encrypt(byte: Array[Byte]): Array[Byte] = { Crypto.ensureSpongyIsInserted() cipher.init(Cipher.ENCRYPT_MODE, secretKey, iv) cipher.doFinal(byte) } def decrypt(byte: Array[Byte]): Array[Byte] = { Crypto.ensureSpongyIsInserted() cipher.init(Cipher.DECRYPT_MODE, secretKey, iv) cipher.doFinal(byte) } }