0.5.6 cosmetics and versions upgrade, JVM target to 11 for better android compatibility

README.md

@@ -19,7 +19,7 @@ repositories {
   maven("https://gitea.sergeych.net/api/packages/SergeychWorks/maven")
 }
 dependencies {
-  import("net.sergeych:crypto2:0.5.5")  
+  import("net.sergeych:crypto2:0.5.6")  
 }
 ```
 

build.gradle.kts

@@ -1,3 +1,5 @@
+import org.jetbrains.kotlin.gradle.dsl.JvmTarget
+
 plugins {
     kotlin("multiplatform") version "2.0.20"
     id("org.jetbrains.kotlin.plugin.serialization") version "2.0.20"
@@ -6,7 +8,7 @@ plugins {
 }
 
 group = "net.sergeych"
-version = "0.5.6-SNAPSHOT"
+version = "0.5.6"
 
 repositories {
     mavenCentral()
@@ -16,7 +18,11 @@ repositories {
 }
 
 kotlin {
-    jvm()
+    jvm {
+        compilerOptions {
+            jvmTarget = JvmTarget.JVM_11
+        }
+    }
     js {
         browser()
         nodejs()

src/commonMain/kotlin/net/sergeych/crypto2/PBKD.kt

@@ -91,9 +91,9 @@ object PBKD {
 
     /**
      * Binary id is a binary hash-capable key, we use it. byte array can't be a hash key in kotlin: its value
-     * does not depend on the byte content.
+     * does not depend on the byte content. It is unsafe to use it outside the generator!
      */
-    fun key(kdf: KDF, password: String): BinaryId =
+    private fun key(kdf: KDF, password: String): BinaryId =
         BinaryId.createFromBytes(
             0,
             BipackEncoder.encode(kdf) + blake2b3l(password.encodeToUByteArray()).asByteArray()