modules/core/src/main/scala/src/gs/std/v0/core/Base64Encoder.scala

@@ -9,6 +9,7 @@ import java.util.Base64
   * Supports base64-url encoding as well.
   */
 object Base64Encoder extends Encoder[B64]:
+
   private lazy val e: Base64.Encoder  = Base64.getEncoder()
   private lazy val eu: Base64.Encoder = Base64.getUrlEncoder()
 
@@ -17,6 +18,11 @@ object Base64Encoder extends Encoder[B64]:
   override def encode(input: Array[Byte]): B64 =
     B64(e.encodeToString(input))
 
+  /** @inheritDocs
+    */
+  override def encode(input: Vector[Byte]): B64 =
+    B64(e.encodeToString(input.toArray))
+
   /** Encode the given bytes using base64-url.
     *
     * @param input

modules/core/src/main/scala/src/gs/std/v0/core/Blob.scala

@@ -1,7 +1,5 @@
 package gs.std.v0.core
 
-import java.util.Base64
-
 /** Represents a blob -- some array of bytes.
   *
   * @param data
@@ -46,4 +44,4 @@ final class Blob(private val data: Array[Byte]) extends IndexedSeq[Byte]:
   /** @return
     *   This byte array, encoded as a base64 string.
     */
-  def base64(): String = Base64.getEncoder().encodeToString(data)
+  def base64(): B64 = Base64Encoder.encode(data)

modules/core/src/main/scala/src/gs/std/v0/core/Encoder.scala

@@ -15,6 +15,15 @@ trait Encoder[+A <: EncodedString]:
     */
   def encode(input: Array[Byte]): A
 
+  /** Encode an immutable array of bytes as a string.
+    *
+    * @param input
+    *   The bytes to encode.
+    * @return
+    *   The encoded string.
+    */
+  def encode(input: Vector[Byte]): A
+
   /** Encode a string as a string.
     *
     * @param input

modules/core/src/main/scala/src/gs/std/v0/core/HexEncoder.scala

@@ -5,9 +5,15 @@ import java.util.HexFormat
 /** Implementation of [[Encoder]] for Hexadecimal strings.
   */
 object HexEncoder extends Encoder[Hex]:
+
   private lazy val h: HexFormat = HexFormat.of()
 
   /** @inheritDocs
     */
   override def encode(input: Array[Byte]): Hex =
     Hex(h.formatHex(input))
+
+  /** @inheritDocs
+    */
+  override def encode(input: Vector[Byte]): Hex =
+    Hex(h.formatHex(input.toArray))