jvmTest.okio.CipherFactory.kt Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Square, Inc. and others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package okio
import javax.crypto.Cipher
class CipherFactory(
private val transformation: String,
private val init: Cipher.(mode: Int) -> Unit
) {
val blockSize
get() = newCipher().blockSize
val encrypt: Cipher
get() = create(Cipher.ENCRYPT_MODE)
val decrypt: Cipher
get() = create(Cipher.DECRYPT_MODE)
private fun newCipher(): Cipher = Cipher.getInstance(transformation)
private fun create(mode: Int): Cipher = newCipher().apply { init(mode) }
}