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authorKévin Le Gouguec <kevin.legouguec@airbus.com>2019-07-10 15:23:17 +0200
committerKévin Le Gouguec <kevin.legouguec@airbus.com>2019-07-10 15:23:17 +0200
commit3a3a75683ff4e9b2a3ab311d266fd1bd0392ee62 (patch)
treee4b2326efb78838e1036bf0910a1545c91236c50 /src/add_vhdltbc/encryptdecrypt/inner_sbox_b.vhd
parente509afef04676c9c9dad11a41a196599b70dc774 (diff)
parentc14dee173636d326f26352773cf8201c9ae65961 (diff)
downloadlilliput-ae-implem-3a3a75683ff4e9b2a3ab311d266fd1bd0392ee62.tar.xz
Merge branch 'fix-vhdltbc'
Diffstat (limited to 'src/add_vhdltbc/encryptdecrypt/inner_sbox_b.vhd')
-rw-r--r--src/add_vhdltbc/encryptdecrypt/inner_sbox_b.vhd51
1 files changed, 0 insertions, 51 deletions
diff --git a/src/add_vhdltbc/encryptdecrypt/inner_sbox_b.vhd b/src/add_vhdltbc/encryptdecrypt/inner_sbox_b.vhd
deleted file mode 100644
index 11c3e61..0000000
--- a/src/add_vhdltbc/encryptdecrypt/inner_sbox_b.vhd
+++ /dev/null
@@ -1,51 +0,0 @@
--- Implementation of the Lilliput-TBC tweakable block cipher by the
--- Lilliput-AE team, hereby denoted as "the implementer".
---
--- 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/
-
-library IEEE;
-library work;
-use IEEE.std_logic_1164.all;
-
-entity inner_sbox_b is
- port(
- sbox_i : in std_logic_vector(3 downto 0);
- sbox_o : out std_logic_vector(3 downto 0)
- );
-end inner_sbox_b;
-
-
-architecture inner_sbox_b_arch of inner_sbox_b is
-
-signal a,b,c,d,x,y,z,t :std_logic;
-signal c1,d1 :std_logic;
-
-begin
-
-a <= sbox_i(3);
-b <= sbox_i(2);
-c <= sbox_i(1);
-d <= sbox_i(0);
-
-
-c1 <= c xor (a and d);
-d1 <= b xor (d and c);
-
-
-x <= d xor (a and d1);
-y <= d1;
-z <= a xor (c1 and d1);
-t <= c1;
-
-sbox_o(3) <= x;
-sbox_o(2) <= y;
-sbox_o(1) <= z;
-sbox_o(0) <= t;
-
-end;
-