Merge branch 'refactor-python-implem'

1 files changed, 19 insertions, 0 deletions

diff --git a/src/add_python/lilliput/helpers.py b/src/add_python/lilliput/helpers.py
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+++ b/src/add_python/lilliput/helpers.py
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+# Implementation of the Lilliput-AE tweakable block cipher.
+#
+# Authors, hereby denoted as "the implementer":
+#     Kévin Le Gouguec,
+#     Léo Reynaud
+#     2019.
+#
+# For more information, feedback or questions, refer to our website:
+# https://paclido.fr/lilliput-ae
+#
+# To the extent possible under law, the implementer has waived all copyright
+# and related or neighboring rights to the source code in this file.
+# http://creativecommons.org/publicdomain/zero/1.0/
+
+"""Helper functions used in Lilliput-AE."""
+
+
+def xor(array1, array2):
+    return [a1^a2 for (a1, a2) in zip(array1, array2)]