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lib/cryppo/base64.ex
defmodule Cryppo.Base64 do
@moduledoc false
@spec decode_base64(binary) :: {:error, :invalid_base64} | {:ok, binary}
def decode_base64(base64) do
case Base.url_decode64(base64) do
:error -> {:error, :invalid_base64}
{:ok, decoded} -> {:ok, decoded}
end
end
end