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Move previous cryptopals work into an Erlang subfolder, start cryptopals in Python 3
[sandbox]
/
cryptopals-erlang
/
01.01
/
hex.erl
diff --git a/cryptopals-erlang/01.01/hex.erl
b/cryptopals-erlang/01.01/hex.erl
new file mode 100644
(file)
index 0000000..
d778f15
--- /dev/null
+++ b/
cryptopals-erlang/01.01/hex.erl
@@ -0,0
+1,7
@@
+-module(hex).
+-export([decode/1]).
+
+data_in_pairs([]) -> [];
+data_in_pairs([C1,C2|Tail]) -> [ [C1] ++ [C2] | data_in_pairs(Tail) ].
+
+decode(Data) -> << <<(list_to_integer(C,16)):8>> || C <- data_in_pairs(Data) >>.