+id now has public constructor

+default bas64 repr for ByteChunk

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

@@ -37,7 +37,7 @@ import kotlin.random.Random
  * @throws InvalidException if crc check failed
  */
 @Serializable
-open class BinaryId protected constructor (
+open class BinaryId(
     /**
      * The packed binary id. Note that serialized version is one byte longer containing
      * the size prefix

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

@@ -53,7 +53,7 @@ class ByteChunk(val data: UByteArray): Comparable<ByteChunk> {
     /**
      * hex representation of data
      */
-    override fun toString(): String = hex
+    override fun toString(): String = base64Url
 
     /**
      * Hex encoded data

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

@@ -83,7 +83,10 @@ class VerifyingPublicKey(override val keyBytes: UByteArray) : UniversalKey(), Ve
                     val data = s.decodeBase64Url().asUByteArray()
                     if (data.size == 32)
                         VerifyingPublicKey(data)
-                    else {
+                    else if( data.size == 34) {
+                        // raw id
+                        BinaryId(data).asVerifyingKey as VerifyingPublicKey
+                    }else {
                         runCatching { data.decodeFromBipack<VerifyingPublicKey>() }.getOrNull()
                             ?: kotlin.runCatching { data.decodeFromBipack<UniversalKey>() as VerifyingPublicKey }
                                 .getOrElse { throw IllegalArgumentException("can't parse verifying key") }