/* * Copyright by the original author or authors. * * 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. */ /** * The crypto package contains classes that work with key derivation algorithms like scrypt (passwords to AES keys), * BIP 32 hierarchies (chains of keys from a root seed), X.509 utilities for the payment protocol and other general * cryptography tasks. It also contains a class that can disable the (long since obsolete) DRM Java/US Govt imposes * on strong crypto. This is legal because Oracle got permission to ship strong AES to everyone years ago but hasn't * bothered to actually remove the logic barriers. */ package org.bitcoinj.crypto;