/* * Copyright 2020 ACINQ SAS * * 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 fr.acinq.secp256k1 import java.util.* private fun tryLoad(platform: String): Secp256k1? { try { val cls = Class.forName("fr.acinq.secp256k1.jni.NativeSecp256k1${platform.capitalize(Locale.ROOT)}Loader") val load = cls.getMethod("load") return load.invoke(null) as Secp256k1 } catch (ex: ClassNotFoundException) { return null } } internal actual fun getSecpk256k1(): Secp256k1 = tryLoad("android") ?: tryLoad("jvm") ?: error("Could not load native Secp256k1 JNI library. Have you added the JNI dependency?")