Реферат: Шифрование DES - теория и практика

s3 : array [0..3, 0..15] of string[4] =

(('1010','0000','1001','1110','0110','0011','1111','0101','0001','1101','1100','0111','1011','0100','0010','1000'),

('1101','0111','0000','1001','0011','0100','0110','1010','0010','1000','0101','1110','1100','1011','1111','0001'),

('1101','0110','0100','1001','1000','1111','0011','0000','1011','0001','0010','1100','0101','1010','1110','0111'),

('0001','1010','1101','0000','0110','1001','1000','0111','0100','1111','1110','0011','1011','0101','0010','1100'));

s4 : array [0..3, 0..15] of string[4] =

(('0111','1101','1110','0011','0000','0110','1001','1010','0001','0010','1000','0101','1011','1100','0100','1111'),

('1101','1000','1011','0101','0110','1111','0000','0011','0100','0111','0010','1100','0001','1010','1110','1001'),

('1010','0110','1001','0000','1100','1011','0111','1101','1111','0001','0011','1110','0101','0010','1000','0100'),

('0011','1111','0000','0110','1010','0001','1101','1000','1001','0100','0101','1011','1100','0111','0010','1110'));

s5 : array [0..3, 0..15] of string[4] =

(('0010','1100','0100','0001','0111','1010','1011','0110','1000','0101','0011','1111','1101','0000','1110','1001'),

('1110','1011','0010','1100','0100','0111','1101','0001','0101','0000','1111','1010','0011','1001','1000','0110'),

('0100','0010','0001','1011','1010','1101','0111','1000','1111','1001','1100','0101','0110','0011','0000','1110'),

('1011','1000','1100','0111','0001','1110','0010','1101','0110','1111','0000','1001','1010','0100','0101','0011'));

s6 : array [0..3, 0..15] of string[4] =

(('1100','0001','1010','1111','1001','0010','0110','1000','0000','1101','0011','0100','1110','0111','0101','1011'),

('1010','1111','0100','0010','0111','1100','1001','0101','0110','0001','1101','1110','0000','1011','0011','1000'),

('1001','1110','1111','0101','0010','1000','1100','0011','0111','0000','0100','1010','0001','1101','1011','0110'),

('0100','0011','0010','1100','1001','0101','1111','1010','1011','1110','0001','0111','0110','0000','1000','1101'));

s7 : array [0..3, 0..15] of string[4] =

(('0100','1011','0010','1110','1111','0000','1000','1101','0011','1100','1001','0111','0101','1010','0110','0001'),

('1101','0000','1011','0111','0100','1001','0001','1010','1110','0011','0101','1100','0011','1111','1000','0110'),

('0001','0100','1011','1101','1100','0011','0111','1110','1010','1111','0110','1000','0000','0101','1001','0010'),

('0110','1011','1101','1000','0001','0100','1010','0111','1001','0101','0000','1111','1110','0010','0011','1100'));

s8 : array [0..3, 0..15] of string[4] =

(('1101','0010','1000','0100','0110','1111','1011','0001','1010','1001','0011','1110','0101','0000','1100','0111'),

('0001','1111','1101','1000','1010','0011','0111','0100','1100','0101','0110','1011','0000','1110','1001','0011'),

('0111','1011','0100','0001','1001','1100','1110','0010','0000','0110','1010','1101','1111','0011','0101','1000'),