Android & JVM loader in their own modules
This commit is contained in:
Salomon BRYS
parent
9e1fc5d5ff
commit
1d9d57ca0a
265
build.gradle.kts
265
build.gradle.kts
@ -1,15 +1,29 @@
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plugins {
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kotlin("multiplatform") version "1.4-M2-mt"
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id("com.android.library") version "4.0.0"
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`maven-publish`
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// `maven-publish`
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}
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group = "fr.acinq.secp256k1"
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version = "0.2.1-1.4-M2"
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repositories {
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buildscript {
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repositories {
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google()
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maven("https://dl.bintray.com/kotlin/kotlin-eap")
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jcenter()
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}
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dependencies {
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classpath("com.android.tools.build:gradle:4.0.0")
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}
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}
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allprojects {
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group = "fr.acinq.secp256k1"
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version = "0.2.1-1.4-M2"
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repositories {
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jcenter()
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google()
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maven(url = "https://dl.bintray.com/kotlin/kotlin-eap")
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}
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}
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val currentOs = org.gradle.internal.os.OperatingSystem.current()
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@ -29,60 +43,40 @@ kotlin {
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}
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}
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val jvmAndAndroidMain by sourceSets.creating {
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dependsOn(commonMain)
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dependencies {
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implementation(kotlin("stdlib-jdk8"))
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}
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}
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jvm {
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compilations.all {
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kotlinOptions.jvmTarget = "1.8"
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}
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(tasks[compilations["main"].processResourcesTaskName] as ProcessResources).apply{
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dependsOn("copyJni")
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from(buildDir.resolve("jniResources"))
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compilations["main"].dependencies {
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implementation(kotlin("stdlib-jdk8"))
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}
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compilations["main"].defaultSourceSet.dependsOn(jvmAndAndroidMain)
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compilations["test"].dependencies {
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implementation(project(":jni"))
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implementation(kotlin("stdlib-jdk8"))
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implementation(kotlin("test-junit"))
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}
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}
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android {
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publishLibraryVariants("release", "debug")
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compilations.all {
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kotlinOptions.jvmTarget = "1.8"
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}
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sourceSets["androidMain"].dependsOn(jvmAndAndroidMain)
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sourceSets["androidTest"].dependencies {
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implementation(kotlin("test-junit"))
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implementation("androidx.test.ext:junit:1.1.1")
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implementation("androidx.test.espresso:espresso-core:3.2.0")
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}
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}
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fun org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget.secp256k1CInterop() {
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fun org.jetbrains.kotlin.gradle.plugin.mpp.KotlinNativeTarget.secp256k1CInterop(target: String) {
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compilations["main"].cinterops {
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val libsecp256k1 by creating {
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includeDirs.headerFilterOnly(project.file("native/secp256k1/include/"))
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tasks[interopProcessingTaskName].dependsOn("buildSecp256k1Ios")
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tasks[interopProcessingTaskName].dependsOn(":native:buildSecp256k1${target.capitalize()}")
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}
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}
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}
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val nativeMain by sourceSets.creating { dependsOn(commonMain) }
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linuxX64 {
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secp256k1CInterop()
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linuxX64("linux") {
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secp256k1CInterop("linux")
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// https://youtrack.jetbrains.com/issue/KT-39396
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compilations["main"].kotlinOptions.freeCompilerArgs += listOf("-include-binary", "$rootDir/native/build/linux/libsecp256k1.a")
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compilations["main"].defaultSourceSet.dependsOn(nativeMain)
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}
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ios {
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secp256k1CInterop()
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secp256k1CInterop("ios")
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// https://youtrack.jetbrains.com/issue/KT-39396
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compilations["main"].kotlinOptions.freeCompilerArgs += listOf("-include-binary", "$rootDir/native/build/ios/libsecp256k1.a")
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compilations["main"].defaultSourceSet.dependsOn(nativeMain)
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@ -120,166 +114,43 @@ afterEvaluate {
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}
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}
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android {
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defaultConfig {
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compileSdkVersion(30)
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minSdkVersion(21)
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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externalNativeBuild {
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cmake {}
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_1_8
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targetCompatibility = JavaVersion.VERSION_1_8
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}
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externalNativeBuild {
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cmake {
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setPath("src/androidMain/CMakeLists.txt")
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}
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}
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ndkVersion = "21.3.6528147"
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sourceSets["main"].manifest.srcFile("src/androidMain/AndroidManifest.xml")
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afterEvaluate {
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tasks.withType<com.android.build.gradle.tasks.factory.AndroidUnitTest>().all {
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enabled = false
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}
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}
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}
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val buildSecp256k1 by tasks.creating { group = "build" }
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sealed class Cross {
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abstract fun cmd(target: String, nativeDir: File): List<String>
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class DockCross(val cross: String) : Cross() {
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override fun cmd(target: String, nativeDir: File): List<String> = listOf("./dockcross-$cross", "bash", "-c", "CROSS=1 TARGET=$target ./build.sh")
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}
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class MultiArch(val crossTriple: String) : Cross() {
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override fun cmd(target: String, nativeDir: File): List<String> {
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val uid = Runtime.getRuntime().exec("id -u").inputStream.use { it.reader().readText() }.trim().toInt()
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return listOf(
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"docker", "run", "--rm", "-v", "${nativeDir.absolutePath}:/workdir",
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"-e", "CROSS_TRIPLE=$crossTriple", "-e", "TARGET=$target", "-e", "TO_UID=$uid", "-e", "CROSS=1",
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"multiarch/crossbuild", "./build.sh"
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)
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}
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}
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}
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fun creatingBuildSecp256k1(target: String, cross: Cross?) = tasks.creating(Exec::class) {
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group = "build"
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buildSecp256k1.dependsOn(this)
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inputs.files(projectDir.resolve("native/build.sh"))
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outputs.dir(projectDir.resolve("native/build/$target"))
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workingDir = projectDir.resolve("native")
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environment("TARGET", target)
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commandLine((cross?.cmd(target, workingDir) ?: emptyList()) + "./build.sh")
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}
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val buildSecp256k1Darwin by creatingBuildSecp256k1("darwin", if (currentOs.isMacOsX) null else Cross.MultiArch("x86_64-apple-darwin"))
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val buildSecp256k1Linux by creatingBuildSecp256k1("linux", if (currentOs.isLinux) null else Cross.DockCross("linux-x64"))
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val buildSecp256k1Mingw by creatingBuildSecp256k1("mingw", if (currentOs.isWindows) null else Cross.DockCross("windows-x64"))
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val copyJni by tasks.creating(Sync::class) {
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dependsOn(buildSecp256k1)
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from(projectDir.resolve("native/build/linux/libsecp256k1-jni.so")) { rename { "libsecp256k1-jni-linux-x86_64.so" } }
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from(projectDir.resolve("native/build/darwin/libsecp256k1-jni.dylib")) { rename { "libsecp256k1-jni-darwin-x86_64.dylib" } }
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from(projectDir.resolve("native/build/mingw/secp256k1-jni.dll")) { rename { "secp256k1-jni-mingw-x86_64.dll" } }
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into(buildDir.resolve("jniResources/fr/acinq/secp256k1/native"))
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}
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val buildSecp256k1Ios by tasks.creating(Exec::class) {
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group = "build"
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buildSecp256k1.dependsOn(this)
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onlyIf { currentOs.isMacOsX }
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inputs.files(projectDir.resolve("native/build-ios.sh"))
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outputs.dir(projectDir.resolve("native/build/ios"))
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workingDir = projectDir.resolve("native")
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commandLine("./build-ios.sh")
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}
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val buildSecp256k1Android by tasks.creating {
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group = "build"
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buildSecp256k1.dependsOn(this)
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}
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fun creatingBuildSecp256k1Android(arch: String) = tasks.creating(Exec::class) {
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group = "build"
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buildSecp256k1Android.dependsOn(this)
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inputs.files(projectDir.resolve("native/build-android.sh"))
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outputs.dir(projectDir.resolve("native/build/android/$arch"))
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workingDir = projectDir.resolve("native")
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val toolchain = when {
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currentOs.isLinux -> "linux-x86_64"
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currentOs.isMacOsX -> "darwin-x86_64"
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currentOs.isWindows -> "windows-x86_64"
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else -> error("No Android toolchain defined for this OS: $currentOs")
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}
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environment("TOOLCHAIN", toolchain)
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environment("ARCH", arch)
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environment("ANDROID_NDK", android.ndkDirectory)
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commandLine("./build-android.sh")
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}
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val buildSecp256k1AndroidX86_64 by creatingBuildSecp256k1Android("x86_64")
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val buildSecp256k1AndroidX86 by creatingBuildSecp256k1Android("x86")
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val buildSecp256k1AndroidArm64v8a by creatingBuildSecp256k1Android("arm64-v8a")
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val buildSecp256k1AndroidArmeabiv7a by creatingBuildSecp256k1Android("armeabi-v7a")
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afterEvaluate {
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configure(listOf("Debug", "Release").map { tasks["externalNativeBuild$it"] }) {
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dependsOn(buildSecp256k1Android)
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}
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}
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tasks["clean"].doLast {
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delete(projectDir.resolve("native/build"))
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}
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publishing {
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val snapshotName: String? by project
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val snapshotNumber: String? by project
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val bintrayUsername: String? = (properties["bintrayUsername"] as String?) ?: System.getenv("BINTRAY_USER")
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val bintrayApiKey: String? = (properties["bintrayApiKey"] as String?) ?: System.getenv("BINTRAY_APIKEY")
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if (bintrayUsername == null || bintrayApiKey == null) logger.warn("Skipping bintray configuration as bintrayUsername or bintrayApiKey is not defined")
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else {
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val btRepo = if (snapshotNumber != null) "snapshots" else "libs"
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repositories {
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maven {
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name = "bintray"
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setUrl("https://api.bintray.com/maven/acinq/$btRepo/${project.name}/;publish=0")
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credentials {
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username = bintrayUsername
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password = bintrayApiKey
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}
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}
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}
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}
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publications.withType<MavenPublication>().configureEach {
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if (snapshotName != null && snapshotNumber != null) version = "${project.version}-${snapshotName}-${snapshotNumber}"
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pom {
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description.set("Bitcoin's secp256k1 library ported to Kotlin/Multiplatform for JVM, Android, iOS & Linux")
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url.set("https://github.com/ACINQ/secp256k1-kmp")
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licenses {
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name.set("Apache License v2.0")
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url.set("https://www.apache.org/licenses/LICENSE-2.0")
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}
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issueManagement {
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system.set("Github")
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url.set("https://github.com/ACINQ/secp256k1-kmp/issues")
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}
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scm {
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connection.set("https://github.com/ACINQ/secp256k1-kmp.git")
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}
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}
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}
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}
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//publishing {
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// val snapshotName: String? by project
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// val snapshotNumber: String? by project
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//
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// val bintrayUsername: String? = (properties["bintrayUsername"] as String?) ?: System.getenv("BINTRAY_USER")
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// val bintrayApiKey: String? = (properties["bintrayApiKey"] as String?) ?: System.getenv("BINTRAY_APIKEY")
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// if (bintrayUsername == null || bintrayApiKey == null) logger.warn("Skipping bintray configuration as bintrayUsername or bintrayApiKey is not defined")
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// else {
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// val btRepo = if (snapshotNumber != null) "snapshots" else "libs"
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// repositories {
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// maven {
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// name = "bintray"
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// setUrl("https://api.bintray.com/maven/acinq/$btRepo/${project.name}/;publish=0")
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// credentials {
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// username = bintrayUsername
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// password = bintrayApiKey
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// }
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// }
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// }
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// }
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//
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// publications.withType<MavenPublication>().configureEach {
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// if (snapshotName != null && snapshotNumber != null) version = "${project.version}-${snapshotName}-${snapshotNumber}"
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// pom {
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// description.set("Bitcoin's secp256k1 library ported to Kotlin/Multiplatform for JVM, Android, iOS & Linux")
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// url.set("https://github.com/ACINQ/secp256k1-kmp")
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// licenses {
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// name.set("Apache License v2.0")
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// url.set("https://www.apache.org/licenses/LICENSE-2.0")
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// }
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// issueManagement {
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// system.set("Github")
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// url.set("https://github.com/ACINQ/secp256k1-kmp/issues")
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// }
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// scm {
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// connection.set("https://github.com/ACINQ/secp256k1-kmp.git")
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// }
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// }
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// }
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//}
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103
jni/build.gradle.kts
Normal file
103
jni/build.gradle.kts
Normal file
@ -0,0 +1,103 @@
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plugins {
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kotlin("multiplatform") // version "1.4-M2-mt"
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id("com.android.library")
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`maven-publish`
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}
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val currentOs = org.gradle.internal.os.OperatingSystem.current()
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kotlin {
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explicitApi()
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val commonMain by sourceSets.getting {
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dependencies {
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implementation(kotlin("stdlib-common"))
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}
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}
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val commonTest by sourceSets.getting {
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dependencies {
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implementation(kotlin("test-common"))
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implementation(kotlin("test-annotations-common"))
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}
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}
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jvm {
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compilations.all {
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kotlinOptions.jvmTarget = "1.8"
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}
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(tasks[compilations["main"].processResourcesTaskName] as ProcessResources).apply {
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dependsOn("copyJni")
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from(buildDir.resolve("jniResources"))
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}
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compilations["main"].dependencies {
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implementation(kotlin("stdlib-jdk8"))
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}
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compilations["test"].dependencies {
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implementation(kotlin("test-junit"))
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}
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}
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android {
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publishLibraryVariants("release", "debug")
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compilations.all {
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kotlinOptions.jvmTarget = "1.8"
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}
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sourceSets["androidMain"].dependencies {
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implementation(kotlin("stdlib-jdk8"))
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}
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sourceSets["androidTest"].dependencies {
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implementation(kotlin("test-junit"))
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implementation("androidx.test.ext:junit:1.1.1")
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implementation("androidx.test.espresso:espresso-core:3.2.0")
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}
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}
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sourceSets.all {
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languageSettings.useExperimentalAnnotation("kotlin.RequiresOptIn")
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}
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}
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android {
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defaultConfig {
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compileSdkVersion(30)
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minSdkVersion(21)
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testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
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externalNativeBuild {
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cmake {}
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}
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_1_8
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targetCompatibility = JavaVersion.VERSION_1_8
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}
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externalNativeBuild {
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cmake {
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setPath("src/androidMain/CMakeLists.txt")
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}
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}
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ndkVersion = "21.3.6528147"
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sourceSets["main"].manifest.srcFile("src/androidMain/AndroidManifest.xml")
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afterEvaluate {
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tasks.withType<com.android.build.gradle.tasks.factory.AndroidUnitTest>().all {
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enabled = false
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}
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}
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}
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val copyJni by tasks.creating(Sync::class) {
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dependsOn(":native:buildSecp256k1Jvm")
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from(rootDir.resolve("native/build/linux/libsecp256k1-jni.so")) { rename { "libsecp256k1-jni-linux-x86_64.so" } }
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from(rootDir.resolve("native/build/darwin/libsecp256k1-jni.dylib")) { rename { "libsecp256k1-jni-darwin-x86_64.dylib" } }
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from(rootDir.resolve("native/build/mingw/secp256k1-jni.dll")) { rename { "secp256k1-jni-mingw-x86_64.dll" } }
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into(buildDir.resolve("jniResources/fr/acinq/secp256k1/jni/native"))
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}
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afterEvaluate {
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configure(listOf("Debug", "Release").map { tasks["externalNativeBuild$it"] }) {
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dependsOn(":native:buildSecp256k1Android")
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}
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}
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14
jni/src/androidMain/CMakeLists.txt
Normal file
14
jni/src/androidMain/CMakeLists.txt
Normal file
@ -0,0 +1,14 @@
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cmake_minimum_required(VERSION 3.10.0)
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add_library( secp256k1-jni SHARED
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${CMAKE_CURRENT_LIST_DIR}/../../../native/jni/src/org_bitcoin_NativeSecp256k1.c
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${CMAKE_CURRENT_LIST_DIR}/../../../native/jni/src/org_bitcoin_Secp256k1Context.c
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)
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target_include_directories( secp256k1-jni
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PUBLIC ${CMAKE_CURRENT_LIST_DIR}/../../../native/secp256k1
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)
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target_link_libraries( secp256k1-jni
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${CMAKE_CURRENT_LIST_DIR}/../../../native/build/android/${ANDROID_ABI}/libsecp256k1.a
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)
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@ -0,0 +1,12 @@
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package fr.acinq.secp256k1.jni
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public actual object NativeSecp256k1Loader {
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@JvmStatic
|
||||
@Synchronized
|
||||
@Throws(Exception::class)
|
||||
actual fun load() {
|
||||
System.loadLibrary("secp256k1-jni")
|
||||
}
|
||||
|
||||
}
|
||||
@ -0,0 +1,10 @@
|
||||
package fr.acinq.secp256k1.jni
|
||||
|
||||
import kotlin.jvm.JvmStatic
|
||||
|
||||
|
||||
public expect object NativeSecp256k1Loader {
|
||||
|
||||
public fun load()
|
||||
|
||||
}
|
||||
@ -15,7 +15,7 @@
|
||||
*/
|
||||
package org.bitcoin
|
||||
|
||||
import fr.acinq.secp256k1.Secp256k1Loader.initialize
|
||||
import kotlin.jvm.JvmStatic
|
||||
|
||||
/**
|
||||
* This class holds the context reference used in native methods
|
||||
@ -0,0 +1,211 @@
|
||||
package fr.acinq.secp256k1.jni
|
||||
|
||||
import java.io.*
|
||||
import java.util.*
|
||||
|
||||
/**
|
||||
* Set the system properties, org.sqlite.lib.path, org.sqlite.lib.name,
|
||||
* appropriately so that the SQLite JDBC driver can find *.dll, *.jnilib and
|
||||
* *.so files, according to the current OS (win, linux, mac).
|
||||
* The library files are automatically extracted from this project's package (JAR).
|
||||
* usage: call [.initialize] before using SQLite JDBC driver.
|
||||
*
|
||||
* @author leo
|
||||
*/
|
||||
public actual object NativeSecp256k1Loader {
|
||||
private var extracted = false
|
||||
|
||||
/**
|
||||
* Loads secp256k1 native library.
|
||||
*
|
||||
* @return True if secp256k1 native library is successfully loaded; false otherwise.
|
||||
* @throws Exception if loading fails
|
||||
*/
|
||||
@JvmStatic
|
||||
@Synchronized
|
||||
@Throws(Exception::class)
|
||||
public actual fun load() {
|
||||
// only cleanup before the first extract
|
||||
if (!extracted) {
|
||||
cleanup()
|
||||
}
|
||||
loadSecp256k1NativeLibrary()
|
||||
}
|
||||
|
||||
private val tempDir: File
|
||||
get() = File(
|
||||
System.getProperty(
|
||||
"fr.acinq.secp256k1.tmpdir",
|
||||
System.getProperty("java.io.tmpdir")
|
||||
)
|
||||
)
|
||||
|
||||
/**
|
||||
* Deleted old native libraries e.g. on Windows the DLL file is not removed
|
||||
* on VM-Exit (bug #80)
|
||||
*/
|
||||
@JvmStatic
|
||||
public fun cleanup() {
|
||||
val tempFolder = tempDir.absolutePath
|
||||
val dir = File(tempFolder)
|
||||
val nativeLibFiles = dir.listFiles(object : FilenameFilter {
|
||||
private val searchPattern = "secp256k1-"
|
||||
override fun accept(dir: File, name: String): Boolean {
|
||||
return name.startsWith(searchPattern) && !name.endsWith(".lck")
|
||||
}
|
||||
})
|
||||
if (nativeLibFiles != null) {
|
||||
for (nativeLibFile in nativeLibFiles) {
|
||||
val lckFile = File(nativeLibFile.absolutePath + ".lck")
|
||||
if (!lckFile.exists()) {
|
||||
try {
|
||||
nativeLibFile.delete()
|
||||
} catch (e: SecurityException) {
|
||||
System.err.println("Failed to delete old native lib" + e.message)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Throws(IOException::class)
|
||||
private fun InputStream.contentsEquals(other: InputStream): Boolean {
|
||||
val bufThis = this as? BufferedInputStream
|
||||
?: BufferedInputStream(this)
|
||||
val bufOther = other as? BufferedInputStream
|
||||
?: BufferedInputStream(other)
|
||||
var ch = bufThis.read()
|
||||
while (ch != -1) {
|
||||
val ch2 = bufOther.read()
|
||||
if (ch != ch2) return false
|
||||
ch = bufThis.read()
|
||||
}
|
||||
val ch2 = bufOther.read()
|
||||
return ch2 == -1
|
||||
}
|
||||
|
||||
/**
|
||||
* Extracts and loads the specified library file to the target folder
|
||||
*
|
||||
* @param libDir Library path.
|
||||
* @param libFileName Library name.
|
||||
* @param targetDirectory Target folder.
|
||||
* @return
|
||||
*/
|
||||
private fun extractAndLoadLibraryFile(libDir: String, libFileName: String, targetDirectory: String): Boolean {
|
||||
val libPath = "$libDir/$libFileName"
|
||||
// Include architecture name in temporary filename in order to avoid conflicts
|
||||
// when multiple JVMs with different architectures running at the same time
|
||||
val uuid = UUID.randomUUID().toString()
|
||||
val extractedLibFileName = String.format("secp256k1-%s-%s", uuid, libFileName)
|
||||
val extractedLckFileName = "$extractedLibFileName.lck"
|
||||
val extractedLibFile = File(targetDirectory, extractedLibFileName)
|
||||
val extractedLckFile = File(targetDirectory, extractedLckFileName)
|
||||
return try {
|
||||
// Extract a native library file into the target directory
|
||||
val reader = NativeSecp256k1Loader::class.java.getResourceAsStream(libPath)
|
||||
if (!extractedLckFile.exists()) {
|
||||
FileOutputStream(extractedLckFile).close()
|
||||
}
|
||||
val writer = FileOutputStream(extractedLibFile)
|
||||
try {
|
||||
val buffer = ByteArray(8192)
|
||||
var bytesRead = reader.read(buffer)
|
||||
while (bytesRead != -1) {
|
||||
writer.write(buffer, 0, bytesRead)
|
||||
bytesRead = reader.read(buffer)
|
||||
}
|
||||
} finally {
|
||||
// Delete the extracted lib file on JVM exit.
|
||||
extractedLibFile.deleteOnExit()
|
||||
extractedLckFile.deleteOnExit()
|
||||
writer.close()
|
||||
reader.close()
|
||||
}
|
||||
|
||||
// Set executable (x) flag to enable Java to load the native library
|
||||
extractedLibFile.setReadable(true)
|
||||
extractedLibFile.setWritable(true, true)
|
||||
extractedLibFile.setExecutable(true)
|
||||
|
||||
// Check whether the contents are properly copied from the resource folder
|
||||
NativeSecp256k1Loader::class.java.getResourceAsStream(libPath).use { nativeIn ->
|
||||
FileInputStream(extractedLibFile).use { extractedLibIn ->
|
||||
if (!nativeIn.contentsEquals(extractedLibIn)) {
|
||||
throw RuntimeException(
|
||||
String.format(
|
||||
"Failed to write a native library file at %s",
|
||||
extractedLibFile
|
||||
)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
loadNativeLibrary(targetDirectory, extractedLibFileName)
|
||||
} catch (e: IOException) {
|
||||
System.err.println(e.message)
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads native library using the given path and name of the library.
|
||||
*
|
||||
* @param path Path of the native library.
|
||||
* @param name Name of the native library.
|
||||
* @return True for successfully loading; false otherwise.
|
||||
*/
|
||||
private fun loadNativeLibrary(path: String, name: String): Boolean {
|
||||
val libPath = File(path, name)
|
||||
return if (libPath.exists()) {
|
||||
try {
|
||||
System.load(File(path, name).absolutePath)
|
||||
true
|
||||
} catch (e: UnsatisfiedLinkError) {
|
||||
System.err.println("Failed to load native library:$name. osinfo: ${OSInfo.nativeSuffix}")
|
||||
System.err.println(e)
|
||||
false
|
||||
}
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads secp256k1 native library using given path and name of the library.
|
||||
*
|
||||
* @throws
|
||||
*/
|
||||
private fun loadSecp256k1NativeLibrary() {
|
||||
if (extracted) {
|
||||
return
|
||||
}
|
||||
|
||||
// Try loading library from fr.acinq.secp256k1.lib.path library path */
|
||||
val libraryPath = System.getProperty("fr.acinq.secp256k1.lib.path")
|
||||
val libraryName = System.getProperty("fr.acinq.secp256k1.lib.name") ?: System.mapLibraryName("secp256k1-jni-${OSInfo.nativeSuffix}")
|
||||
if (libraryPath != null) {
|
||||
if (loadNativeLibrary(libraryPath, libraryName)) {
|
||||
extracted = true
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
// Load the os-dependent library from the jar file
|
||||
val packagePath = NativeSecp256k1Loader::class.java.getPackage().name.replace("\\.".toRegex(), "/")
|
||||
val embeddedLibraryPath = "/$packagePath/native"
|
||||
val hasNativeLib = NativeSecp256k1Loader::class.java.getResource("$embeddedLibraryPath/$libraryName") != null
|
||||
if (!hasNativeLib) {
|
||||
error("No native library found: at $embeddedLibraryPath/$libraryName")
|
||||
}
|
||||
|
||||
// Try extracting the library from jar
|
||||
if (extractAndLoadLibraryFile(embeddedLibraryPath, libraryName, tempDir.absolutePath)) {
|
||||
extracted = true
|
||||
return
|
||||
}
|
||||
extracted = false
|
||||
return
|
||||
}
|
||||
}
|
||||
214
jni/src/jvmMain/kotlin/fr/acinq/secp256k1/jni/OSInfo.kt
Normal file
214
jni/src/jvmMain/kotlin/fr/acinq/secp256k1/jni/OSInfo.kt
Normal file
@ -0,0 +1,214 @@
|
||||
package fr.acinq.secp256k1.jni
|
||||
|
||||
import java.io.ByteArrayOutputStream
|
||||
import java.io.IOException
|
||||
import java.util.*
|
||||
|
||||
/**
|
||||
* Provides OS name and architecture name.
|
||||
*
|
||||
* @author leo
|
||||
*/
|
||||
@Suppress("DuplicatedCode")
|
||||
internal object OSInfo {
|
||||
private val archMapping = HashMap<String, String>()
|
||||
private const val X86 = "x86"
|
||||
private const val X86_64 = "x86_64"
|
||||
private const val IA64_32 = "ia64_32"
|
||||
private const val IA64 = "ia64"
|
||||
private const val PPC = "ppc"
|
||||
private const val PPC64 = "ppc64"
|
||||
|
||||
@JvmStatic val nativeSuffix: String get() = "$os-$arch"
|
||||
|
||||
@JvmStatic val os: String get() = translateOSName(System.getProperty("os.name"))
|
||||
|
||||
@JvmStatic val hardwareName: String get() =
|
||||
try {
|
||||
val p = Runtime.getRuntime().exec("uname -m")
|
||||
p.waitFor()
|
||||
val input = p.inputStream
|
||||
input.use {
|
||||
val b = ByteArrayOutputStream()
|
||||
val buf = ByteArray(32)
|
||||
var readLen = it.read(buf, 0, buf.size)
|
||||
while (readLen >= 0) {
|
||||
b.write(buf, 0, readLen)
|
||||
readLen = it.read(buf, 0, buf.size)
|
||||
}
|
||||
b.toString()
|
||||
}
|
||||
} catch (e: Throwable) {
|
||||
System.err.println("Error while running uname -m: " + e.message)
|
||||
"unknown"
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
private fun resolveArmArchType(): String {
|
||||
if (System.getProperty("os.name").contains("Linux")) {
|
||||
val armType = hardwareName
|
||||
// armType (uname -m) can be armv5t, armv5te, armv5tej, armv5tejl, armv6, armv7, armv7l, aarch64, i686// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
// determine if first JVM found uses ARM hard-float ABI
|
||||
when {
|
||||
armType.startsWith("armv6") -> {
|
||||
// Raspberry PI
|
||||
return "armv6"
|
||||
}
|
||||
armType.startsWith("armv7") -> {
|
||||
// Generic
|
||||
return "armv7"
|
||||
}
|
||||
armType.startsWith("armv5") -> {
|
||||
// Use armv5, soft-float ABI
|
||||
return "arm"
|
||||
}
|
||||
armType == "aarch64" -> {
|
||||
// Use arm64
|
||||
return "arm64"
|
||||
}
|
||||
|
||||
// Java 1.8 introduces a system property to determine armel or armhf
|
||||
// http://bugs.java.com/bugdatabase/view_bug.do?bug_id=8005545
|
||||
|
||||
// For java7, we stil need to if run some shell commands to determine ABI of JVM
|
||||
else -> {
|
||||
val abi = System.getProperty("sun.arch.abi")
|
||||
if (abi != null && abi.startsWith("gnueabihf")) {
|
||||
return "armv7"
|
||||
}
|
||||
|
||||
// For java7, we stil need to if run some shell commands to determine ABI of JVM
|
||||
val javaHome = System.getProperty("java.home")
|
||||
try {
|
||||
// determine if first JVM found uses ARM hard-float ABI
|
||||
var exitCode = Runtime.getRuntime().exec("which readelf").waitFor()
|
||||
if (exitCode == 0) {
|
||||
val cmdarray = arrayOf(
|
||||
"/bin/sh", "-c", "find '" + javaHome +
|
||||
"' -name 'libjvm.so' | head -1 | xargs readelf -A | " +
|
||||
"grep 'Tag_ABI_VFP_args: VFP registers'"
|
||||
)
|
||||
exitCode = Runtime.getRuntime().exec(cmdarray).waitFor()
|
||||
if (exitCode == 0) {
|
||||
return "armv7"
|
||||
}
|
||||
} else {
|
||||
System.err.println(
|
||||
"WARNING! readelf not found. Cannot check if running on an armhf system, " +
|
||||
"armel architecture will be presumed."
|
||||
)
|
||||
}
|
||||
} catch (e: IOException) {
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
} catch (e: InterruptedException) {
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Java 1.8 introduces a system property to determine armel or armhf
|
||||
// http://bugs.java.com/bugdatabase/view_bug.do?bug_id=8005545
|
||||
val abi = System.getProperty("sun.arch.abi")
|
||||
if (abi != null && abi.startsWith("gnueabihf")) {
|
||||
return "armv7"
|
||||
}
|
||||
|
||||
// For java7, we stil need to if run some shell commands to determine ABI of JVM
|
||||
val javaHome = System.getProperty("java.home")
|
||||
try {
|
||||
// determine if first JVM found uses ARM hard-float ABI
|
||||
var exitCode = Runtime.getRuntime().exec("which readelf").waitFor()
|
||||
if (exitCode == 0) {
|
||||
val cmdarray = arrayOf(
|
||||
"/bin/sh", "-c", "find '" + javaHome +
|
||||
"' -name 'libjvm.so' | head -1 | xargs readelf -A | " +
|
||||
"grep 'Tag_ABI_VFP_args: VFP registers'"
|
||||
)
|
||||
exitCode = Runtime.getRuntime().exec(cmdarray).waitFor()
|
||||
if (exitCode == 0) {
|
||||
return "armv7"
|
||||
}
|
||||
} else {
|
||||
System.err.println(
|
||||
"WARNING! readelf not found. Cannot check if running on an armhf system, " +
|
||||
"armel architecture will be presumed."
|
||||
)
|
||||
}
|
||||
} catch (e: IOException) {
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
} catch (e: InterruptedException) {
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
}
|
||||
}
|
||||
// Use armv5, soft-float ABI
|
||||
return "arm"
|
||||
}
|
||||
|
||||
// For Android
|
||||
@JvmStatic
|
||||
val arch: String?
|
||||
get() {
|
||||
val systemOsArch = System.getProperty("os.arch")
|
||||
val osArch =
|
||||
if (systemOsArch.startsWith("arm")) {
|
||||
resolveArmArchType()
|
||||
} else {
|
||||
val lc = systemOsArch.toLowerCase(Locale.US)
|
||||
if (archMapping.containsKey(lc)) return archMapping[lc]
|
||||
systemOsArch
|
||||
}
|
||||
return translateArchNameToFolderName(osArch)
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
fun translateOSName(osName: String): String =
|
||||
when {
|
||||
osName.contains("Windows") -> "mingw"
|
||||
osName.contains("Mac") || osName.contains("Darwin") -> "darwin"
|
||||
osName.contains("Linux") -> "linux"
|
||||
osName.contains("AIX") -> "aix"
|
||||
else -> osName.replace("\\W".toRegex(), "")
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
fun translateArchNameToFolderName(archName: String): String = archName.replace("\\W".toRegex(), "")
|
||||
|
||||
init {
|
||||
// x86 mappings
|
||||
archMapping[X86] = X86
|
||||
archMapping["i386"] = X86
|
||||
archMapping["i486"] = X86
|
||||
archMapping["i586"] = X86
|
||||
archMapping["i686"] = X86
|
||||
archMapping["pentium"] = X86
|
||||
|
||||
// x86_64 mappings
|
||||
archMapping[X86_64] = X86_64
|
||||
archMapping["amd64"] = X86_64
|
||||
archMapping["em64t"] = X86_64
|
||||
archMapping["universal"] = X86_64 // Needed for openjdk7 in Mac
|
||||
|
||||
// Itenium 64-bit mappings
|
||||
archMapping[IA64] = IA64
|
||||
archMapping["ia64w"] = IA64
|
||||
|
||||
// Itenium 32-bit mappings, usually an HP-UX construct
|
||||
archMapping[IA64_32] = IA64_32
|
||||
archMapping["ia64n"] = IA64_32
|
||||
|
||||
// PowerPC mappings
|
||||
archMapping[PPC] = PPC
|
||||
archMapping["power"] = PPC
|
||||
archMapping["powerpc"] = PPC
|
||||
archMapping["power_pc"] = PPC
|
||||
archMapping["power_rs"] = PPC
|
||||
|
||||
// TODO: PowerPC 64bit mappings
|
||||
archMapping[PPC64] = PPC64
|
||||
archMapping["power64"] = PPC64
|
||||
archMapping["powerpc64"] = PPC64
|
||||
archMapping["power_pc64"] = PPC64
|
||||
archMapping["power_rs64"] = PPC64
|
||||
}
|
||||
}
|
||||
88
native/build.gradle.kts
Normal file
88
native/build.gradle.kts
Normal file
@ -0,0 +1,88 @@
|
||||
evaluationDependsOn(":jni")
|
||||
|
||||
val currentOs = org.gradle.internal.os.OperatingSystem.current()
|
||||
|
||||
val buildSecp256k1 by tasks.creating { group = "build" }
|
||||
|
||||
sealed class Cross {
|
||||
abstract fun cmd(target: String, nativeDir: File): List<String>
|
||||
class DockCross(val cross: String) : Cross() {
|
||||
override fun cmd(target: String, nativeDir: File): List<String> = listOf("./dockcross-$cross", "bash", "-c", "CROSS=1 TARGET=$target ./build.sh")
|
||||
}
|
||||
class MultiArch(val crossTriple: String) : Cross() {
|
||||
override fun cmd(target: String, nativeDir: File): List<String> {
|
||||
val uid = Runtime.getRuntime().exec("id -u").inputStream.use { it.reader().readText() }.trim().toInt()
|
||||
return listOf(
|
||||
"docker", "run", "--rm", "-v", "${nativeDir.absolutePath}:/workdir",
|
||||
"-e", "CROSS_TRIPLE=$crossTriple", "-e", "TARGET=$target", "-e", "TO_UID=$uid", "-e", "CROSS=1",
|
||||
"multiarch/crossbuild", "./build.sh"
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
val buildSecp256k1Jvm by tasks.creating {
|
||||
group = "build"
|
||||
buildSecp256k1.dependsOn(this)
|
||||
}
|
||||
fun creatingBuildSecp256k1(target: String, cross: Cross?) = tasks.creating(Exec::class) {
|
||||
group = "build"
|
||||
buildSecp256k1Jvm.dependsOn(this)
|
||||
|
||||
inputs.files(projectDir.resolve("build.sh"))
|
||||
outputs.dir(projectDir.resolve("build/$target"))
|
||||
|
||||
workingDir = projectDir
|
||||
environment("TARGET", target)
|
||||
commandLine((cross?.cmd(target, workingDir) ?: emptyList()) + "./build.sh")
|
||||
}
|
||||
val buildSecp256k1Darwin by creatingBuildSecp256k1("darwin", if (currentOs.isMacOsX) null else Cross.MultiArch("x86_64-apple-darwin"))
|
||||
val buildSecp256k1Linux by creatingBuildSecp256k1("linux", if (currentOs.isLinux) null else Cross.DockCross("linux-x64"))
|
||||
val buildSecp256k1Mingw by creatingBuildSecp256k1("mingw", if (currentOs.isWindows) null else Cross.DockCross("windows-x64"))
|
||||
|
||||
val buildSecp256k1Ios by tasks.creating(Exec::class) {
|
||||
group = "build"
|
||||
buildSecp256k1.dependsOn(this)
|
||||
|
||||
onlyIf { currentOs.isMacOsX }
|
||||
|
||||
inputs.files(projectDir.resolve("build-ios.sh"))
|
||||
outputs.dir(projectDir.resolve("build/ios"))
|
||||
|
||||
workingDir = projectDir
|
||||
commandLine("./build-ios.sh")
|
||||
}
|
||||
|
||||
val buildSecp256k1Android by tasks.creating {
|
||||
group = "build"
|
||||
buildSecp256k1.dependsOn(this)
|
||||
}
|
||||
fun creatingBuildSecp256k1Android(arch: String) = tasks.creating(Exec::class) {
|
||||
group = "build"
|
||||
buildSecp256k1Android.dependsOn(this)
|
||||
|
||||
inputs.files(projectDir.resolve("build-android.sh"))
|
||||
outputs.dir(projectDir.resolve("build/android/$arch"))
|
||||
|
||||
workingDir = projectDir
|
||||
|
||||
val toolchain = when {
|
||||
currentOs.isLinux -> "linux-x86_64"
|
||||
currentOs.isMacOsX -> "darwin-x86_64"
|
||||
currentOs.isWindows -> "windows-x86_64"
|
||||
else -> error("No Android toolchain defined for this OS: $currentOs")
|
||||
}
|
||||
environment("TOOLCHAIN", toolchain)
|
||||
environment("ARCH", arch)
|
||||
environment("ANDROID_NDK", (project(":jni").extensions["android"] as com.android.build.gradle.LibraryExtension).ndkDirectory)
|
||||
commandLine("./build-android.sh")
|
||||
}
|
||||
val buildSecp256k1AndroidX86_64 by creatingBuildSecp256k1Android("x86_64")
|
||||
val buildSecp256k1AndroidX86 by creatingBuildSecp256k1Android("x86")
|
||||
val buildSecp256k1AndroidArm64v8a by creatingBuildSecp256k1Android("arm64-v8a")
|
||||
val buildSecp256k1AndroidArmeabiv7a by creatingBuildSecp256k1Android("armeabi-v7a")
|
||||
|
||||
val clean by tasks.creating {
|
||||
doLast {
|
||||
delete(projectDir.resolve("build"))
|
||||
}
|
||||
}
|
||||
@ -5,12 +5,10 @@ pluginManagement {
|
||||
gradlePluginPortal()
|
||||
jcenter()
|
||||
}
|
||||
|
||||
resolutionStrategy {
|
||||
eachPlugin {
|
||||
if (requested.id.id == "com.android.library") useModule("com.android.tools.build:gradle:${requested.version}")
|
||||
}
|
||||
}
|
||||
}
|
||||
rootProject.name = "secp256k1-kmp"
|
||||
|
||||
include(
|
||||
":native",
|
||||
":jni"
|
||||
)
|
||||
@ -1,14 +0,0 @@
|
||||
cmake_minimum_required(VERSION 3.10.0)
|
||||
|
||||
add_library( secp256k1-jni SHARED
|
||||
${CMAKE_CURRENT_LIST_DIR}/../../native/jni/src/org_bitcoin_NativeSecp256k1.c
|
||||
${CMAKE_CURRENT_LIST_DIR}/../../native/jni/src/org_bitcoin_Secp256k1Context.c
|
||||
)
|
||||
|
||||
target_include_directories( secp256k1-jni
|
||||
PUBLIC ${CMAKE_CURRENT_LIST_DIR}/../../native/secp256k1
|
||||
)
|
||||
|
||||
target_link_libraries( secp256k1-jni
|
||||
${CMAKE_CURRENT_LIST_DIR}/../../native/build/android/${ANDROID_ABI}/libsecp256k1.a
|
||||
)
|
||||
@ -1,15 +0,0 @@
|
||||
package fr.acinq.secp256k1
|
||||
|
||||
import java.io.*
|
||||
import java.util.*
|
||||
|
||||
internal actual object Secp256k1Loader {
|
||||
|
||||
@JvmStatic
|
||||
@Synchronized
|
||||
@Throws(Exception::class)
|
||||
actual fun initialize() {
|
||||
System.loadLibrary("secp256k1-jni")
|
||||
}
|
||||
|
||||
}
|
||||
@ -17,7 +17,6 @@
|
||||
package fr.acinq.secp256k1
|
||||
|
||||
import kotlin.jvm.JvmStatic
|
||||
import kotlin.jvm.Synchronized
|
||||
|
||||
public enum class SigFormat(internal val size: Int) { COMPACT(64), DER(72) }
|
||||
|
||||
@ -25,37 +24,54 @@ public enum class PubKeyFormat(internal val size: Int) { COMPRESSED(33), UNCOMPR
|
||||
|
||||
public expect object Secp256k1 {
|
||||
|
||||
@JvmStatic
|
||||
public fun verify(data: ByteArray, signature: ByteArray, pub: ByteArray): Boolean
|
||||
|
||||
@JvmStatic
|
||||
public fun sign(data: ByteArray, sec: ByteArray, format: SigFormat): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun signatureNormalize(sig: ByteArray, format: SigFormat): Pair<ByteArray, Boolean>
|
||||
|
||||
@JvmStatic
|
||||
public fun secKeyVerify(seckey: ByteArray): Boolean
|
||||
|
||||
@JvmStatic
|
||||
public fun computePubkey(seckey: ByteArray, format: PubKeyFormat): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun parsePubkey(pubkey: ByteArray, format: PubKeyFormat): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun cleanup()
|
||||
|
||||
@JvmStatic
|
||||
public fun privKeyNegate(privkey: ByteArray): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun privKeyTweakMul(privkey: ByteArray, tweak: ByteArray): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun privKeyTweakAdd(privkey: ByteArray, tweak: ByteArray): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun pubKeyNegate(pubkey: ByteArray): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun pubKeyTweakAdd(pubkey: ByteArray, tweak: ByteArray): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun pubKeyTweakMul(pubkey: ByteArray, tweak: ByteArray): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun pubKeyAdd(pubkey1: ByteArray, pubkey2: ByteArray): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun createECDHSecret(seckey: ByteArray, pubkey: ByteArray): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun ecdsaRecover(sig: ByteArray, message: ByteArray, recid: Int, format: PubKeyFormat): ByteArray
|
||||
|
||||
@JvmStatic
|
||||
public fun randomize(seed: ByteArray): Boolean
|
||||
}
|
||||
@ -1,228 +0,0 @@
|
||||
package fr.acinq.secp256k1
|
||||
|
||||
import java.io.ByteArrayOutputStream
|
||||
import java.io.IOException
|
||||
import java.util.*
|
||||
|
||||
/*--------------------------------------------------------------------------
|
||||
* Copyright 2008 Taro L. Saito
|
||||
*
|
||||
* 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.
|
||||
*--------------------------------------------------------------------------*/ /**
|
||||
* Provides OS name and architecture name.
|
||||
*
|
||||
* @author leo
|
||||
*/
|
||||
@Suppress("DuplicatedCode")
|
||||
internal object OSInfo {
|
||||
private val archMapping = HashMap<String, String>()
|
||||
private const val X86 = "x86"
|
||||
private const val X86_64 = "x86_64"
|
||||
private const val IA64_32 = "ia64_32"
|
||||
private const val IA64 = "ia64"
|
||||
private const val PPC = "ppc"
|
||||
private const val PPC64 = "ppc64"
|
||||
|
||||
@JvmStatic val nativeSuffix: String get() = "$os-$arch"
|
||||
|
||||
@JvmStatic val os: String get() = translateOSName(System.getProperty("os.name"))
|
||||
|
||||
@JvmStatic val hardwareName: String get() =
|
||||
try {
|
||||
val p = Runtime.getRuntime().exec("uname -m")
|
||||
p.waitFor()
|
||||
val input = p.inputStream
|
||||
input.use {
|
||||
val b = ByteArrayOutputStream()
|
||||
val buf = ByteArray(32)
|
||||
var readLen = it.read(buf, 0, buf.size)
|
||||
while (readLen >= 0) {
|
||||
b.write(buf, 0, readLen)
|
||||
readLen = it.read(buf, 0, buf.size)
|
||||
}
|
||||
b.toString()
|
||||
}
|
||||
} catch (e: Throwable) {
|
||||
System.err.println("Error while running uname -m: " + e.message)
|
||||
"unknown"
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
private fun resolveArmArchType(): String {
|
||||
if (System.getProperty("os.name").contains("Linux")) {
|
||||
val armType = hardwareName
|
||||
// armType (uname -m) can be armv5t, armv5te, armv5tej, armv5tejl, armv6, armv7, armv7l, aarch64, i686// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
// determine if first JVM found uses ARM hard-float ABI
|
||||
when {
|
||||
armType.startsWith("armv6") -> {
|
||||
// Raspberry PI
|
||||
return "armv6"
|
||||
}
|
||||
armType.startsWith("armv7") -> {
|
||||
// Generic
|
||||
return "armv7"
|
||||
}
|
||||
armType.startsWith("armv5") -> {
|
||||
// Use armv5, soft-float ABI
|
||||
return "arm"
|
||||
}
|
||||
armType == "aarch64" -> {
|
||||
// Use arm64
|
||||
return "arm64"
|
||||
}
|
||||
|
||||
// Java 1.8 introduces a system property to determine armel or armhf
|
||||
// http://bugs.java.com/bugdatabase/view_bug.do?bug_id=8005545
|
||||
|
||||
// For java7, we stil need to if run some shell commands to determine ABI of JVM
|
||||
else -> {
|
||||
val abi = System.getProperty("sun.arch.abi")
|
||||
if (abi != null && abi.startsWith("gnueabihf")) {
|
||||
return "armv7"
|
||||
}
|
||||
|
||||
// For java7, we stil need to if run some shell commands to determine ABI of JVM
|
||||
val javaHome = System.getProperty("java.home")
|
||||
try {
|
||||
// determine if first JVM found uses ARM hard-float ABI
|
||||
var exitCode = Runtime.getRuntime().exec("which readelf").waitFor()
|
||||
if (exitCode == 0) {
|
||||
val cmdarray = arrayOf(
|
||||
"/bin/sh", "-c", "find '" + javaHome +
|
||||
"' -name 'libjvm.so' | head -1 | xargs readelf -A | " +
|
||||
"grep 'Tag_ABI_VFP_args: VFP registers'"
|
||||
)
|
||||
exitCode = Runtime.getRuntime().exec(cmdarray).waitFor()
|
||||
if (exitCode == 0) {
|
||||
return "armv7"
|
||||
}
|
||||
} else {
|
||||
System.err.println(
|
||||
"WARNING! readelf not found. Cannot check if running on an armhf system, " +
|
||||
"armel architecture will be presumed."
|
||||
)
|
||||
}
|
||||
} catch (e: IOException) {
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
} catch (e: InterruptedException) {
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Java 1.8 introduces a system property to determine armel or armhf
|
||||
// http://bugs.java.com/bugdatabase/view_bug.do?bug_id=8005545
|
||||
val abi = System.getProperty("sun.arch.abi")
|
||||
if (abi != null && abi.startsWith("gnueabihf")) {
|
||||
return "armv7"
|
||||
}
|
||||
|
||||
// For java7, we stil need to if run some shell commands to determine ABI of JVM
|
||||
val javaHome = System.getProperty("java.home")
|
||||
try {
|
||||
// determine if first JVM found uses ARM hard-float ABI
|
||||
var exitCode = Runtime.getRuntime().exec("which readelf").waitFor()
|
||||
if (exitCode == 0) {
|
||||
val cmdarray = arrayOf(
|
||||
"/bin/sh", "-c", "find '" + javaHome +
|
||||
"' -name 'libjvm.so' | head -1 | xargs readelf -A | " +
|
||||
"grep 'Tag_ABI_VFP_args: VFP registers'"
|
||||
)
|
||||
exitCode = Runtime.getRuntime().exec(cmdarray).waitFor()
|
||||
if (exitCode == 0) {
|
||||
return "armv7"
|
||||
}
|
||||
} else {
|
||||
System.err.println(
|
||||
"WARNING! readelf not found. Cannot check if running on an armhf system, " +
|
||||
"armel architecture will be presumed."
|
||||
)
|
||||
}
|
||||
} catch (e: IOException) {
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
} catch (e: InterruptedException) {
|
||||
// ignored: fall back to "arm" arch (soft-float ABI)
|
||||
}
|
||||
}
|
||||
// Use armv5, soft-float ABI
|
||||
return "arm"
|
||||
}
|
||||
|
||||
// For Android
|
||||
@JvmStatic
|
||||
val arch: String?
|
||||
get() {
|
||||
val systemOsArch = System.getProperty("os.arch")
|
||||
val osArch =
|
||||
if (systemOsArch.startsWith("arm")) {
|
||||
resolveArmArchType()
|
||||
} else {
|
||||
val lc = systemOsArch.toLowerCase(Locale.US)
|
||||
if (archMapping.containsKey(lc)) return archMapping[lc]
|
||||
systemOsArch
|
||||
}
|
||||
return translateArchNameToFolderName(osArch)
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
fun translateOSName(osName: String): String =
|
||||
when {
|
||||
osName.contains("Windows") -> "mingw"
|
||||
osName.contains("Mac") || osName.contains("Darwin") -> "darwin"
|
||||
osName.contains("Linux") -> "linux"
|
||||
osName.contains("AIX") -> "aix"
|
||||
else -> osName.replace("\\W".toRegex(), "")
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
fun translateArchNameToFolderName(archName: String): String = archName.replace("\\W".toRegex(), "")
|
||||
|
||||
init {
|
||||
// x86 mappings
|
||||
archMapping[X86] = X86
|
||||
archMapping["i386"] = X86
|
||||
archMapping["i486"] = X86
|
||||
archMapping["i586"] = X86
|
||||
archMapping["i686"] = X86
|
||||
archMapping["pentium"] = X86
|
||||
|
||||
// x86_64 mappings
|
||||
archMapping[X86_64] = X86_64
|
||||
archMapping["amd64"] = X86_64
|
||||
archMapping["em64t"] = X86_64
|
||||
archMapping["universal"] = X86_64 // Needed for openjdk7 in Mac
|
||||
|
||||
// Itenium 64-bit mappings
|
||||
archMapping[IA64] = IA64
|
||||
archMapping["ia64w"] = IA64
|
||||
|
||||
// Itenium 32-bit mappings, usually an HP-UX construct
|
||||
archMapping[IA64_32] = IA64_32
|
||||
archMapping["ia64n"] = IA64_32
|
||||
|
||||
// PowerPC mappings
|
||||
archMapping[PPC] = PPC
|
||||
archMapping["power"] = PPC
|
||||
archMapping["powerpc"] = PPC
|
||||
archMapping["power_pc"] = PPC
|
||||
archMapping["power_rs"] = PPC
|
||||
|
||||
// TODO: PowerPC 64bit mappings
|
||||
archMapping[PPC64] = PPC64
|
||||
archMapping["power64"] = PPC64
|
||||
archMapping["powerpc64"] = PPC64
|
||||
archMapping["power_pc64"] = PPC64
|
||||
archMapping["power_rs64"] = PPC64
|
||||
}
|
||||
}
|
||||
@ -17,15 +17,18 @@
|
||||
package fr.acinq.secp256k1
|
||||
|
||||
import org.bitcoin.NativeSecp256k1
|
||||
|
||||
internal expect object Secp256k1Loader {
|
||||
fun initialize()
|
||||
}
|
||||
import java.lang.IllegalStateException
|
||||
|
||||
public actual object Secp256k1 {
|
||||
|
||||
init {
|
||||
Secp256k1Loader.initialize()
|
||||
try {
|
||||
val cls = Class.forName("fr.acinq.secp256k1.jni.NativeSecp256k1Loader")
|
||||
val load = cls.getMethod("load")
|
||||
load.invoke(null)
|
||||
} catch (ex: ClassNotFoundException) {
|
||||
throw IllegalStateException("Could not load native Secp256k1 JNI library. Have you added the JNI dependency?", ex)
|
||||
}
|
||||
}
|
||||
|
||||
public actual fun verify(data: ByteArray, signature: ByteArray, pub: ByteArray): Boolean = NativeSecp256k1.verify(data, signature, pub)
|
||||
@ -1,218 +0,0 @@
|
||||
package fr.acinq.secp256k1
|
||||
|
||||
import java.io.*
|
||||
import java.util.*
|
||||
|
||||
/*--------------------------------------------------------------------------
|
||||
* Copyright 2007 Taro L. Saito
|
||||
*
|
||||
* 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.
|
||||
*--------------------------------------------------------------------------*/ /**
|
||||
* Set the system properties, org.sqlite.lib.path, org.sqlite.lib.name,
|
||||
* appropriately so that the SQLite JDBC driver can find *.dll, *.jnilib and
|
||||
* *.so files, according to the current OS (win, linux, mac).
|
||||
* The library files are automatically extracted from this project's package (JAR).
|
||||
* usage: call [.initialize] before using SQLite JDBC driver.
|
||||
*
|
||||
* @author leo
|
||||
*/
|
||||
internal actual object Secp256k1Loader {
|
||||
private var extracted = false
|
||||
|
||||
/**
|
||||
* Loads secp256k1 native library.
|
||||
*
|
||||
* @return True if secp256k1 native library is successfully loaded; false otherwise.
|
||||
* @throws Exception if loading fails
|
||||
*/
|
||||
@JvmStatic
|
||||
@Synchronized
|
||||
@Throws(Exception::class)
|
||||
actual fun initialize() {
|
||||
// only cleanup before the first extract
|
||||
if (!extracted) {
|
||||
cleanup()
|
||||
}
|
||||
loadSecp256k1NativeLibrary()
|
||||
}
|
||||
|
||||
private val tempDir: File
|
||||
get() = File(System.getProperty("fr.acinq.secp256k1.tmpdir", System.getProperty("java.io.tmpdir")))
|
||||
|
||||
/**
|
||||
* Deleted old native libraries e.g. on Windows the DLL file is not removed
|
||||
* on VM-Exit (bug #80)
|
||||
*/
|
||||
@JvmStatic
|
||||
fun cleanup() {
|
||||
val tempFolder = tempDir.absolutePath
|
||||
val dir = File(tempFolder)
|
||||
val nativeLibFiles = dir.listFiles(object : FilenameFilter {
|
||||
private val searchPattern = "secp256k1-"
|
||||
override fun accept(dir: File, name: String): Boolean {
|
||||
return name.startsWith(searchPattern) && !name.endsWith(".lck")
|
||||
}
|
||||
})
|
||||
if (nativeLibFiles != null) {
|
||||
for (nativeLibFile in nativeLibFiles) {
|
||||
val lckFile = File(nativeLibFile.absolutePath + ".lck")
|
||||
if (!lckFile.exists()) {
|
||||
try {
|
||||
nativeLibFile.delete()
|
||||
} catch (e: SecurityException) {
|
||||
System.err.println("Failed to delete old native lib" + e.message)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Throws(IOException::class)
|
||||
private fun InputStream.contentsEquals(other: InputStream): Boolean {
|
||||
val bufThis = this as? BufferedInputStream ?: BufferedInputStream(this)
|
||||
val bufOther = other as? BufferedInputStream ?: BufferedInputStream(other)
|
||||
var ch = bufThis.read()
|
||||
while (ch != -1) {
|
||||
val ch2 = bufOther.read()
|
||||
if (ch != ch2) return false
|
||||
ch = bufThis.read()
|
||||
}
|
||||
val ch2 = bufOther.read()
|
||||
return ch2 == -1
|
||||
}
|
||||
|
||||
/**
|
||||
* Extracts and loads the specified library file to the target folder
|
||||
*
|
||||
* @param libDir Library path.
|
||||
* @param libFileName Library name.
|
||||
* @param targetDirectory Target folder.
|
||||
* @return
|
||||
*/
|
||||
private fun extractAndLoadLibraryFile(libDir: String, libFileName: String, targetDirectory: String): Boolean {
|
||||
val libPath = "$libDir/$libFileName"
|
||||
// Include architecture name in temporary filename in order to avoid conflicts
|
||||
// when multiple JVMs with different architectures running at the same time
|
||||
val uuid = UUID.randomUUID().toString()
|
||||
val extractedLibFileName = String.format("secp256k1-%s-%s", uuid, libFileName)
|
||||
val extractedLckFileName = "$extractedLibFileName.lck"
|
||||
val extractedLibFile = File(targetDirectory, extractedLibFileName)
|
||||
val extractedLckFile = File(targetDirectory, extractedLckFileName)
|
||||
return try {
|
||||
// Extract a native library file into the target directory
|
||||
val reader = Secp256k1Loader::class.java.getResourceAsStream(libPath)
|
||||
if (!extractedLckFile.exists()) {
|
||||
FileOutputStream(extractedLckFile).close()
|
||||
}
|
||||
val writer = FileOutputStream(extractedLibFile)
|
||||
try {
|
||||
val buffer = ByteArray(8192)
|
||||
var bytesRead = reader.read(buffer)
|
||||
while (bytesRead != -1) {
|
||||
writer.write(buffer, 0, bytesRead)
|
||||
bytesRead = reader.read(buffer)
|
||||
}
|
||||
} finally {
|
||||
// Delete the extracted lib file on JVM exit.
|
||||
extractedLibFile.deleteOnExit()
|
||||
extractedLckFile.deleteOnExit()
|
||||
writer.close()
|
||||
reader.close()
|
||||
}
|
||||
|
||||
// Set executable (x) flag to enable Java to load the native library
|
||||
extractedLibFile.setReadable(true)
|
||||
extractedLibFile.setWritable(true, true)
|
||||
extractedLibFile.setExecutable(true)
|
||||
|
||||
// Check whether the contents are properly copied from the resource folder
|
||||
Secp256k1Loader::class.java.getResourceAsStream(libPath).use { nativeIn ->
|
||||
FileInputStream(extractedLibFile).use { extractedLibIn ->
|
||||
if (!nativeIn.contentsEquals(extractedLibIn)) {
|
||||
throw RuntimeException(
|
||||
String.format(
|
||||
"Failed to write a native library file at %s",
|
||||
extractedLibFile
|
||||
)
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
loadNativeLibrary(targetDirectory, extractedLibFileName)
|
||||
} catch (e: IOException) {
|
||||
System.err.println(e.message)
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads native library using the given path and name of the library.
|
||||
*
|
||||
* @param path Path of the native library.
|
||||
* @param name Name of the native library.
|
||||
* @return True for successfully loading; false otherwise.
|
||||
*/
|
||||
private fun loadNativeLibrary(path: String, name: String): Boolean {
|
||||
val libPath = File(path, name)
|
||||
return if (libPath.exists()) {
|
||||
try {
|
||||
System.load(File(path, name).absolutePath)
|
||||
true
|
||||
} catch (e: UnsatisfiedLinkError) {
|
||||
System.err.println("Failed to load native library:$name. osinfo: ${OSInfo.nativeSuffix}")
|
||||
System.err.println(e)
|
||||
false
|
||||
}
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads secp256k1 native library using given path and name of the library.
|
||||
*
|
||||
* @throws
|
||||
*/
|
||||
private fun loadSecp256k1NativeLibrary() {
|
||||
if (extracted) {
|
||||
return
|
||||
}
|
||||
|
||||
// Try loading library from fr.acinq.secp256k1.lib.path library path */
|
||||
val libraryPath = System.getProperty("fr.acinq.secp256k1.lib.path")
|
||||
val libraryName = System.getProperty("fr.acinq.secp256k1.lib.name") ?: System.mapLibraryName("secp256k1-jni-${OSInfo.nativeSuffix}")
|
||||
if (libraryPath != null) {
|
||||
if (loadNativeLibrary(libraryPath, libraryName)) {
|
||||
extracted = true
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
// Load the os-dependent library from the jar file
|
||||
val packagePath = Secp256k1Loader::class.java.getPackage().name.replace("\\.".toRegex(), "/")
|
||||
val embeddedLibraryPath = "/$packagePath/native"
|
||||
val hasNativeLib = Secp256k1Loader::class.java.getResource("$embeddedLibraryPath/$libraryName") != null
|
||||
if (!hasNativeLib) {
|
||||
error("No native library found: at $embeddedLibraryPath/$libraryName")
|
||||
}
|
||||
|
||||
// Try extracting the library from jar
|
||||
if (extractAndLoadLibraryFile(embeddedLibraryPath, libraryName, tempDir.absolutePath)) {
|
||||
extracted = true
|
||||
return
|
||||
}
|
||||
extracted = false
|
||||
return
|
||||
}
|
||||
}
|
||||
565
src/jvmMain/kotlin/org/bitcoin/NativeSecp256k1.kt
Normal file
565
src/jvmMain/kotlin/org/bitcoin/NativeSecp256k1.kt
Normal file
@ -0,0 +1,565 @@
|
||||
/*
|
||||
* Copyright 2013 Google Inc.
|
||||
* Copyright 2014-2016 the libsecp256k1 contributors
|
||||
*
|
||||
* 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 org.bitcoin
|
||||
|
||||
import org.bitcoin.NativeSecp256k1Util.AssertFailException
|
||||
import java.math.BigInteger
|
||||
import java.nio.ByteBuffer
|
||||
import java.nio.ByteOrder
|
||||
import java.util.concurrent.locks.Lock
|
||||
import java.util.concurrent.locks.ReentrantReadWriteLock
|
||||
|
||||
/**
|
||||
*
|
||||
* This class holds native methods to handle ECDSA verification.
|
||||
*
|
||||
*
|
||||
* You can find an example library that can be used for this at https://github.com/bitcoin/secp256k1
|
||||
*
|
||||
*
|
||||
* To build secp256k1 for use with bitcoinj, run
|
||||
* `./configure --enable-jni --enable-experimental --enable-module-ecdh`
|
||||
* and `make` then copy `.libs/libsecp256k1.so` to your system library path
|
||||
* or point the JVM to the folder containing it with -Djava.library.path
|
||||
*
|
||||
*/
|
||||
public object NativeSecp256k1 {
|
||||
private val rwl = ReentrantReadWriteLock()
|
||||
private val r: Lock = rwl.readLock()
|
||||
private val w: Lock = rwl.writeLock()
|
||||
private val nativeECDSABuffer = ThreadLocal<ByteBuffer?>()
|
||||
|
||||
private fun pack(vararg buffers: ByteArray): ByteBuffer {
|
||||
var size = 0
|
||||
for (i in buffers.indices) {
|
||||
size += buffers[i].size
|
||||
}
|
||||
|
||||
val byteBuff = nativeECDSABuffer.get()?.takeIf { it.capacity() >= size }
|
||||
?: ByteBuffer.allocateDirect(size).also {
|
||||
it.order(ByteOrder.nativeOrder())
|
||||
nativeECDSABuffer.set(it)
|
||||
}
|
||||
byteBuff.rewind()
|
||||
for (i in buffers.indices) {
|
||||
byteBuff.put(buffers[i])
|
||||
}
|
||||
return byteBuff
|
||||
}
|
||||
|
||||
/**
|
||||
* Verifies the given secp256k1 signature in native code.
|
||||
* Calling when enabled == false is undefined (probably library not loaded)
|
||||
*
|
||||
* @param data The data which was signed, must be exactly 32 bytes
|
||||
* @param signature The signature
|
||||
* @param pub The public key which did the signing
|
||||
* @return true if the signature is valid
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun verify(data: ByteArray, signature: ByteArray, pub: ByteArray): Boolean {
|
||||
require(data.size == 32 && signature.size <= 520 && pub.size <= 520)
|
||||
val byteBuff = pack(data, signature, pub)
|
||||
r.lock()
|
||||
return try {
|
||||
secp256k1_ecdsa_verify(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext(),
|
||||
signature.size,
|
||||
pub.size
|
||||
) == 1
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 Create an ECDSA signature.
|
||||
*
|
||||
* @param data Message hash, 32 bytes
|
||||
* @param sec Secret key, 32 bytes
|
||||
* @param compact True for compact signature, false for DER
|
||||
* @return a signature, or an empty array is signing failed
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun sign(data: ByteArray, sec: ByteArray, compact: Boolean): ByteArray {
|
||||
require(data.size == 32 && sec.size <= 32)
|
||||
val byteBuff = pack(data, sec)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_ecdsa_sign(
|
||||
byteBuff,
|
||||
compact,
|
||||
Secp256k1Context.getContext()
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val sigArr = retByteArray[0]
|
||||
val sigLen = BigInteger(byteArrayOf(retByteArray[1][0])).toInt()
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(
|
||||
sigArr.size,
|
||||
sigLen,
|
||||
"Got bad signature length."
|
||||
)
|
||||
return if (retVal == 0) ByteArray(0) else sigArr
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun signatureNormalize(sig: ByteArray, compact: Boolean): Pair<ByteArray, Boolean> {
|
||||
require(sig.size == 64 || sig.size in 70..73)
|
||||
val byteBuff = pack(sig)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_ecdsa_normalize(
|
||||
byteBuff,
|
||||
sig.size,
|
||||
compact,
|
||||
Secp256k1Context.getContext()
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val sigArr = retByteArray[0]
|
||||
val sigLen = BigInteger(byteArrayOf(retByteArray[1][0])).toInt()
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
val retBool = BigInteger(byteArrayOf(retByteArray[1][2])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(
|
||||
sigArr.size,
|
||||
sigLen,
|
||||
"Got bad signature length."
|
||||
)
|
||||
return (if (retVal == 0) ByteArray(0) else sigArr) to (retBool == 1)
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 Seckey Verify - returns 1 if valid, 0 if invalid
|
||||
*
|
||||
* @param seckey ECDSA Secret key, 32 bytes
|
||||
* @return true if seckey is valid
|
||||
*/
|
||||
@JvmStatic
|
||||
public fun secKeyVerify(seckey: ByteArray): Boolean {
|
||||
require(seckey.size == 32)
|
||||
val byteBuff = pack(seckey)
|
||||
r.lock()
|
||||
return try {
|
||||
secp256k1_ec_seckey_verify(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext()
|
||||
) == 1
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 Compute Pubkey - computes public key from secret key
|
||||
*
|
||||
* @param seckey ECDSA Secret key, 32 bytes
|
||||
* @throws AssertFailException if parameters are not valid
|
||||
* @return the corresponding public key (uncompressed)
|
||||
*/
|
||||
//TODO add a 'compressed' arg
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun computePubkey(seckey: ByteArray, compressed: Boolean): ByteArray {
|
||||
require(seckey.size == 32)
|
||||
val byteBuff = pack(seckey)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_ec_pubkey_create(
|
||||
byteBuff,
|
||||
compressed,
|
||||
Secp256k1Context.getContext()
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val pubArr = retByteArray[0]
|
||||
val pubLen = BigInteger(byteArrayOf(retByteArray[1][0])).toInt()
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(pubArr.size, pubLen, "Got bad pubkey length.")
|
||||
return if (retVal == 0) ByteArray(0) else pubArr
|
||||
}
|
||||
|
||||
/**
|
||||
* @param pubkey public key
|
||||
* @return the input public key (uncompressed) if valid, or an empty array
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun parsePubkey(pubkey: ByteArray, compressed: Boolean): ByteArray {
|
||||
require(pubkey.size == 33 || pubkey.size == 65)
|
||||
val byteBuff = pack(pubkey)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_ec_pubkey_parse(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext(),
|
||||
pubkey.size,
|
||||
compressed
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val pubArr = retByteArray[0]
|
||||
BigInteger(byteArrayOf(retByteArray[1][0])).toInt()
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(
|
||||
pubArr.size,
|
||||
if (compressed) 33 else 65,
|
||||
"Got bad pubkey length."
|
||||
)
|
||||
return if (retVal == 0) ByteArray(0) else pubArr
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 Cleanup - This destroys the secp256k1 context object
|
||||
* This should be called at the end of the program for proper cleanup of the context.
|
||||
*/
|
||||
@JvmStatic
|
||||
@Synchronized
|
||||
public fun cleanup() {
|
||||
w.lock()
|
||||
try {
|
||||
secp256k1_destroy_context(Secp256k1Context.getContext())
|
||||
} finally {
|
||||
w.unlock()
|
||||
}
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun privKeyNegate(privkey: ByteArray): ByteArray {
|
||||
require(privkey.size == 32)
|
||||
val byteBuff = pack(privkey)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_privkey_negate(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext()
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val privArr = retByteArray[0]
|
||||
val privLen: Int = BigInteger(byteArrayOf(retByteArray[1][0])).toInt() and 0xFF
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(
|
||||
privArr.size,
|
||||
privLen,
|
||||
"Got bad privkey length."
|
||||
)
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return privArr
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 PrivKey Tweak-Mul - Tweak privkey by multiplying to it
|
||||
*
|
||||
* @param privkey 32-byte seckey
|
||||
* @param tweak some bytes to tweak with
|
||||
* @return privkey * tweak
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun privKeyTweakMul(privkey: ByteArray, tweak: ByteArray): ByteArray {
|
||||
require(privkey.size == 32)
|
||||
val byteBuff = pack(privkey, tweak)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_privkey_tweak_mul(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext()
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val privArr = retByteArray[0]
|
||||
val privLen: Int = BigInteger(byteArrayOf(retByteArray[1][0])).toInt() and 0xFF
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(
|
||||
privArr.size,
|
||||
privLen,
|
||||
"Got bad privkey length."
|
||||
)
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return privArr
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 PrivKey Tweak-Add - Tweak privkey by adding to it
|
||||
*
|
||||
* @param privkey 32-byte seckey
|
||||
* @param tweak some bytes to tweak with
|
||||
* @return privkey + tweak
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun privKeyTweakAdd(privkey: ByteArray, tweak: ByteArray): ByteArray {
|
||||
require(privkey.size == 32)
|
||||
val byteBuff = pack(privkey, tweak)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_privkey_tweak_add(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext()
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val privArr = retByteArray[0]
|
||||
val privLen: Int = BigInteger(byteArrayOf(retByteArray[1][0])).toInt() and 0xFF
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(privArr.size, privLen, "Got bad pubkey length.")
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return privArr
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun pubKeyNegate(pubkey: ByteArray): ByteArray {
|
||||
require(pubkey.size == 33 || pubkey.size == 65)
|
||||
val byteBuff = pack(pubkey)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_pubkey_negate(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext(),
|
||||
pubkey.size
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val pubArr = retByteArray[0]
|
||||
val pubLen: Int = BigInteger(byteArrayOf(retByteArray[1][0])).toInt() and 0xFF
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(pubArr.size, pubLen, "Got bad pubkey length.")
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return pubArr
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 PubKey Tweak-Add - Tweak pubkey by adding to it
|
||||
*
|
||||
* @param tweak some bytes to tweak with
|
||||
* @param pubkey 32-byte seckey
|
||||
* @return pubkey + tweak
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun pubKeyTweakAdd(pubkey: ByteArray, tweak: ByteArray): ByteArray {
|
||||
require(pubkey.size == 33 || pubkey.size == 65)
|
||||
val byteBuff = pack(pubkey, tweak)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_pubkey_tweak_add(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext(),
|
||||
pubkey.size
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val pubArr = retByteArray[0]
|
||||
val pubLen: Int = BigInteger(byteArrayOf(retByteArray[1][0])).toInt() and 0xFF
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(pubArr.size, pubLen, "Got bad pubkey length.")
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return pubArr
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 PubKey Tweak-Mul - Tweak pubkey by multiplying to it
|
||||
*
|
||||
* @param tweak some bytes to tweak with
|
||||
* @param pubkey 32-byte seckey
|
||||
* @return pubkey * tweak
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun pubKeyTweakMul(pubkey: ByteArray, tweak: ByteArray): ByteArray {
|
||||
require(pubkey.size == 33 || pubkey.size == 65)
|
||||
val byteBuff = pack(pubkey, tweak)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_pubkey_tweak_mul(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext(),
|
||||
pubkey.size
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val pubArr = retByteArray[0]
|
||||
val pubLen: Int = BigInteger(byteArrayOf(retByteArray[1][0])).toInt() and 0xFF
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(pubArr.size, pubLen, "Got bad pubkey length.")
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return pubArr
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun pubKeyAdd(pubkey1: ByteArray, pubkey2: ByteArray): ByteArray {
|
||||
require(pubkey1.size == 33 || pubkey1.size == 65)
|
||||
require(pubkey2.size == 33 || pubkey2.size == 65)
|
||||
val byteBuff = pack(pubkey1, pubkey2)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_ec_pubkey_add(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext(),
|
||||
pubkey1.size,
|
||||
pubkey2.size
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val pubArr = retByteArray[0]
|
||||
val pubLen: Int = BigInteger(byteArrayOf(retByteArray[1][0])).toInt() and 0xFF
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][1])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(pubkey1.size, pubLen, "Got bad pubkey length.")
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return pubArr
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 create ECDH secret - constant time ECDH calculation
|
||||
*
|
||||
* @param seckey byte array of secret key used in exponentiaion
|
||||
* @param pubkey byte array of public key used in exponentiaion
|
||||
* @return ecdh(sedckey, pubkey)
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun createECDHSecret(seckey: ByteArray, pubkey: ByteArray): ByteArray {
|
||||
require(seckey.size <= 32 && pubkey.size <= 65)
|
||||
val byteBuff = pack(seckey, pubkey)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_ecdh(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext(),
|
||||
pubkey.size
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val resArr = retByteArray[0]
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][0])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(resArr.size, 32, "Got bad result length.")
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return resArr
|
||||
}
|
||||
|
||||
@JvmStatic
|
||||
@Throws(AssertFailException::class)
|
||||
public fun ecdsaRecover(sig: ByteArray, message: ByteArray, recid: Int, compressed: Boolean): ByteArray {
|
||||
require(sig.size == 64)
|
||||
require(message.size == 32)
|
||||
val byteBuff = pack(sig, message)
|
||||
val retByteArray: Array<ByteArray>
|
||||
r.lock()
|
||||
retByteArray = try {
|
||||
secp256k1_ecdsa_recover(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext(),
|
||||
recid,
|
||||
compressed
|
||||
)
|
||||
} finally {
|
||||
r.unlock()
|
||||
}
|
||||
val resArr = retByteArray[0]
|
||||
val retVal = BigInteger(byteArrayOf(retByteArray[1][0])).toInt()
|
||||
NativeSecp256k1Util.assertEquals(
|
||||
resArr.size,
|
||||
if (compressed) 33 else 65,
|
||||
"Got bad result length."
|
||||
)
|
||||
NativeSecp256k1Util.assertEquals(retVal, 1, "Failed return value check.")
|
||||
return resArr
|
||||
}
|
||||
|
||||
/**
|
||||
* libsecp256k1 randomize - updates the context randomization
|
||||
*
|
||||
* @param seed 32-byte random seed
|
||||
* @return true if successful
|
||||
* @throws AssertFailException in case of failure
|
||||
*/
|
||||
@JvmStatic
|
||||
@Synchronized
|
||||
@Throws(AssertFailException::class)
|
||||
public fun randomize(seed: ByteArray): Boolean {
|
||||
require(seed.size == 32)
|
||||
val byteBuff = pack(seed)
|
||||
w.lock()
|
||||
return try {
|
||||
secp256k1_context_randomize(
|
||||
byteBuff,
|
||||
Secp256k1Context.getContext()
|
||||
) == 1
|
||||
} finally {
|
||||
w.unlock()
|
||||
}
|
||||
}
|
||||
|
||||
@JvmStatic private external fun secp256k1_context_randomize(byteBuff: ByteBuffer, context: Long): Int
|
||||
@JvmStatic private external fun secp256k1_privkey_negate(byteBuff: ByteBuffer, context: Long): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_privkey_tweak_add(byteBuff: ByteBuffer, context: Long): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_privkey_tweak_mul(byteBuff: ByteBuffer, context: Long): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_pubkey_negate(byteBuff: ByteBuffer, context: Long, pubLen: Int): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_pubkey_tweak_add(byteBuff: ByteBuffer, context: Long, pubLen: Int): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_pubkey_tweak_mul(byteBuff: ByteBuffer, context: Long, pubLen: Int): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_destroy_context(context: Long)
|
||||
@JvmStatic private external fun secp256k1_ecdsa_verify(byteBuff: ByteBuffer, context: Long, sigLen: Int, pubLen: Int): Int
|
||||
@JvmStatic private external fun secp256k1_ecdsa_sign(byteBuff: ByteBuffer, compact: Boolean, context: Long): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_ecdsa_normalize(byteBuff: ByteBuffer, sigLen: Int, compact: Boolean, context: Long): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_ec_seckey_verify(byteBuff: ByteBuffer, context: Long): Int
|
||||
@JvmStatic private external fun secp256k1_ec_pubkey_create(byteBuff: ByteBuffer, compressed: Boolean, context: Long): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_ec_pubkey_parse(byteBuff: ByteBuffer, context: Long, inputLen: Int, compressed: Boolean): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_ec_pubkey_add(byteBuff: ByteBuffer, context: Long, lent1: Int, len2: Int): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_ecdh(byteBuff: ByteBuffer, context: Long, inputLen: Int): Array<ByteArray>
|
||||
@JvmStatic private external fun secp256k1_ecdsa_recover(byteBuff: ByteBuffer, context: Long, recid: Int, compressed: Boolean): Array<ByteArray>
|
||||
}
|
||||
28
src/jvmMain/kotlin/org/bitcoin/NativeSecp256k1Util.kt
Normal file
28
src/jvmMain/kotlin/org/bitcoin/NativeSecp256k1Util.kt
Normal file
@ -0,0 +1,28 @@
|
||||
/*
|
||||
* Copyright 2014-2016 the libsecp256k1 contributors
|
||||
*
|
||||
* 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 org.bitcoin
|
||||
|
||||
import kotlin.jvm.Throws
|
||||
import java.lang.Exception
|
||||
|
||||
internal object NativeSecp256k1Util {
|
||||
@Throws(AssertFailException::class)
|
||||
fun assertEquals(val1: Int, val2: Int, message: String) {
|
||||
if (val1 != val2) throw AssertFailException("FAIL: $message")
|
||||
}
|
||||
|
||||
class AssertFailException(message: String?) : Exception(message)
|
||||
}
|
||||
39
src/jvmMain/kotlin/org/bitcoin/Secp256k1Context.kt
Normal file
39
src/jvmMain/kotlin/org/bitcoin/Secp256k1Context.kt
Normal file
@ -0,0 +1,39 @@
|
||||
/*
|
||||
* Copyright 2014-2016 the libsecp256k1 contributors
|
||||
*
|
||||
* 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 org.bitcoin
|
||||
|
||||
/**
|
||||
* This class holds the context reference used in native methods
|
||||
* to handle ECDSA operations.
|
||||
*/
|
||||
public object Secp256k1Context {
|
||||
@JvmStatic
|
||||
public val isEnabled: Boolean //true if the library is loaded
|
||||
private val context: Long //ref to pointer to context obj
|
||||
|
||||
@JvmStatic
|
||||
public fun getContext(): Long {
|
||||
return if (!isEnabled) -1 else context //sanity check
|
||||
}
|
||||
|
||||
@JvmStatic private external fun secp256k1_init_context(): Long
|
||||
|
||||
init { //static initializer
|
||||
isEnabled = true
|
||||
context =
|
||||
secp256k1_init_context()
|
||||
}
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user