1 files changed, 47 insertions, 0 deletions
diff --git a/implementations/vhdl/add_vhdltbc/decrypt/crypt_pack.vhd b/implementations/vhdl/add_vhdltbc/decrypt/crypt_pack.vhd
new file mode 100644
index 0000000..15f1a17
--- /dev/null
+++ b/implementations/vhdl/add_vhdltbc/decrypt/crypt_pack.vhd
@@ -0,0 +1,47 @@
+library IEEE;
+library work; 
+use IEEE.STD_LOGIC_1164.ALL;
+use work.const_pack.ALL;
+
+package crypt_pack is
+
+    subtype bit2 is std_logic_vector(1 downto 0);
+    subtype bit4 is std_logic_vector(3 downto 0);
+    subtype bit8 is std_logic_vector(7 downto 0);
+    subtype bit16 is std_logic_vector(15 downto 0);
+    subtype bit32 is std_logic_vector(31 downto 0);
+    subtype bit64 is std_logic_vector(63 downto 0);
+    subtype bit128 is std_logic_vector(127 downto 0);
+    subtype bit256 is std_logic_vector(255 downto 0);
+    subtype bit192 is std_logic_vector(191 downto 0);
+    subtype bit80 is std_logic_vector(79 downto 0);
+    subtype bit_tweak is std_logic_vector(TWEAK_LEN-1 downto 0);
+    subtype bit_key is std_logic_vector(KEY_LEN-1 downto 0);
+    subtype bit_tweak_key is std_logic_vector((TWEAK_LEN+KEY_LEN)-1 downto 0);
+    
+
+    type row_state is array(0 to 3) of bit8;
+    type type_state is array(0 to 3) of row_state;
+    
+    type key_row_state is array(0 to 3) of bit8; --nombre d'element par ligne
+    type type_key is array(0 to 1) of key_row_state; --nombre de ligne  
+    
+    type type_tweak_key_row is array(0 to 7) of bit8;  
+    type type_tweak_key_array is array(0 to ((TWEAK_LEN+KEY_LEN)/64)-1) of type_tweak_key_row;
+    
+    type keyschedule_row_state is array(0 to 3) of bit8; -- to 4 pour une matrice bit4
+    type type_keyschedule is array(0 to 3) of keyschedule_row_state;      
+    
+    constant ROUND : integer;
+    constant TWEAK_KEY_LEN : integer;
+    constant LANE_NB : integer;
+    
+   
+end crypt_pack;        
+    
+package body crypt_pack is 
+    constant ROUND : integer := ROUND_NB-2; -- round number - 1
+    constant TWEAK_KEY_LEN : integer := TWEAK_LEN+KEY_LEN-1; -- tweak key lenght - 1
+    constant LANE_NB : integer := ((TWEAK_LEN+KEY_LEN)/64); --nuber of lane
+end crypt_pack;   
+  
+\ No newline at end of file