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1 files changed, 14 insertions, 0 deletions

diff --git a/lib/boltex/utils.ex b/lib/boltex/utils.ex
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+++ b/lib/boltex/utils.ex
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+defmodule Boltex.Utils do
+  def reduce_to_binary(enumerable, transform) do
+    Enum.reduce enumerable, <<>>, fn(data, acc) -> acc <> transform.(data) end
+  end
+
+  def hex_encode(bytes) do
+    for << i <- bytes >>, do: Integer.to_string(i, 16)
+  end
+
+  def hex_decode(hex_list) do
+    for(hex <- hex_list, do: Integer.parse(hex, 16) |> elem(0))
+    |> reduce_to_binary(&<<&1>>)
+  end
+end