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more moving of type & constant definitions to pkg header

master
T. Meissner 11 years ago
parent
8d0430ac03
commit
45c9409572
1 changed files with 35 additions and 32 deletions
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  1. +35
    -32
      des/rtl/vhdl/des_pkg.vhd

+ 35
- 32
des/rtl/vhdl/des_pkg.vhd View File

@ -116,6 +116,36 @@ PACKAGE des_pkg IS
2 => ( 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8), 2 => ( 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8),
3 => ( 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11)); 3 => ( 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11));
type pc_matrix IS ARRAY (0 TO 27) OF natural RANGE 0 TO 63;
constant pc1c_table : pc_matrix := (56, 48, 40, 32, 24, 16, 8,
0, 57, 49, 41, 33, 25, 17,
9, 1, 58, 50, 42, 34, 26,
18, 10, 2, 59, 51, 43, 35);
constant pc1d_table : pc_matrix := (62, 54, 46, 38, 30, 22, 14,
6, 61, 53, 45, 37, 29, 21,
13, 5, 60, 52, 44, 36, 28,
20, 12, 4, 27, 19, 11, 3);
type p_matrix IS ARRAY (0 TO 31) OF natural RANGE 0 TO 31;
constant p_table : p_matrix := (15, 6, 19, 20,
28, 11, 27, 16,
0, 14, 22, 25,
4, 17, 30, 9,
1, 7, 23, 13,
31, 26, 2, 8,
18, 12, 29, 5,
21, 10, 3, 24);
type pc2_matrix IS ARRAY (0 TO 47) OF natural RANGE 0 TO 63;
constant pc2_table : pc2_matrix := (13, 16, 10, 23, 0, 4,
2, 27, 14, 5, 20, 9,
22, 18, 11, 3, 25, 7,
15, 6, 26, 19, 12, 1,
40, 51, 30, 36, 46, 54,
29, 39, 50, 44, 32, 47,
43, 48, 38, 55, 33, 52,
45, 41, 49, 35, 28, 31);
END PACKAGE des_pkg; END PACKAGE des_pkg;
@ -256,19 +286,10 @@ PACKAGE BODY des_pkg IS
END FUNCTION s8; END FUNCTION s8;
FUNCTION p (input_vector : std_logic_vector(0 TO 31) ) RETURN std_logic_vector IS FUNCTION p (input_vector : std_logic_vector(0 TO 31) ) RETURN std_logic_vector IS
TYPE matrix IS ARRAY (0 TO 31) OF natural RANGE 0 TO 31;
VARIABLE table : matrix := (15, 6, 19, 20,
28, 11, 27, 16,
0, 14, 22, 25,
4, 17, 30, 9,
1, 7, 23, 13,
31, 26, 2, 8,
18, 12, 29, 5,
21, 10, 3, 24);
VARIABLE result : std_logic_vector(0 TO 31); VARIABLE result : std_logic_vector(0 TO 31);
BEGIN BEGIN
FOR index IN 0 TO 31 LOOP FOR index IN 0 TO 31 LOOP
result( index ) := input_vector( table( index ) );
result( index ) := input_vector( p_table( index ) );
END LOOP; END LOOP;
RETURN result; RETURN result;
END FUNCTION p; END FUNCTION p;
@ -284,47 +305,29 @@ PACKAGE BODY des_pkg IS
END FUNCTION f; END FUNCTION f;
FUNCTION pc1_c ( input_vector : std_logic_vector(0 TO 63) ) RETURN std_logic_vector IS FUNCTION pc1_c ( input_vector : std_logic_vector(0 TO 63) ) RETURN std_logic_vector IS
TYPE matrix IS ARRAY (0 TO 27) OF natural RANGE 0 TO 63;
VARIABLE table : matrix := (56, 48, 40, 32, 24, 16, 8,
0, 57, 49, 41, 33, 25, 17,
9, 1, 58, 50, 42, 34, 26,
18, 10, 2, 59, 51, 43, 35);
VARIABLE result : std_logic_vector(0 TO 27); VARIABLE result : std_logic_vector(0 TO 27);
BEGIN BEGIN
FOR index IN 0 TO 27 LOOP FOR index IN 0 TO 27 LOOP
result( index ) := input_vector( table( index ) );
result( index ) := input_vector( pc1c_table( index ) );
END LOOP; END LOOP;
RETURN result; RETURN result;
END FUNCTION pc1_c; END FUNCTION pc1_c;
FUNCTION pc1_d ( input_vector : std_logic_vector(0 TO 63) ) RETURN std_logic_vector IS FUNCTION pc1_d ( input_vector : std_logic_vector(0 TO 63) ) RETURN std_logic_vector IS
TYPE matrix IS ARRAY (0 TO 27) OF natural RANGE 0 TO 63;
VARIABLE table : matrix := (62, 54, 46, 38, 30, 22, 14,
6, 61, 53, 45, 37, 29, 21,
13, 5, 60, 52, 44, 36, 28,
20, 12, 4, 27, 19, 11, 3);
VARIABLE result : std_logic_vector(0 TO 27); VARIABLE result : std_logic_vector(0 TO 27);
BEGIN BEGIN
FOR index IN 0 TO 27 LOOP FOR index IN 0 TO 27 LOOP
result( index ) := input_vector( table( index ) );
result( index ) := input_vector( pc1d_table( index ) );
END LOOP; END LOOP;
RETURN result; RETURN result;
END FUNCTION pc1_d; END FUNCTION pc1_d;
FUNCTION pc2 ( input_vector : std_logic_vector(0 TO 55) ) RETURN std_logic_vector IS FUNCTION pc2 ( input_vector : std_logic_vector(0 TO 55) ) RETURN std_logic_vector IS
TYPE matrix IS ARRAY (0 TO 47) OF natural RANGE 0 TO 63;
VARIABLE table : matrix := (13, 16, 10, 23, 0, 4,
2, 27, 14, 5, 20, 9,
22, 18, 11, 3, 25, 7,
15, 6, 26, 19, 12, 1,
40, 51, 30, 36, 46, 54,
29, 39, 50, 44, 32, 47,
43, 48, 38, 55, 33, 52,
45, 41, 49, 35, 28, 31);
VARIABLE result : std_logic_vector(0 TO 47); VARIABLE result : std_logic_vector(0 TO 47);
BEGIN BEGIN
FOR index IN 0 TO 47 LOOP FOR index IN 0 TO 47 LOOP
result( index ) := input_vector( table( index ) );
result( index ) := input_vector( pc2_table( index ) );
END LOOP; END LOOP;
RETURN result; RETURN result;
END FUNCTION pc2; END FUNCTION pc2;


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