Gjøvik University College Cryptology 1



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Bog'liq
shifrlash mashinasi Hegelin M-29

3.2. Setup
Before use the operator needs to set the two lugs on each of the 27 horizontal bars in the cage and enable or disable the pins under each letter on each wheel. This is a complex process that takes quite a bit of time. These settings are called the internal key. Because of this the settings was changed relatively infrequently. Once a day was common. The setup was done with the help of tables, distributed equally to the sender and recipient. An example setup table can be seen in Table 1.


NR

LUGS

1

2

3

4

5

6




BAR

1

2

3

4

5

6

01

3-6

A

A

A

-

-

A




01

-

-

X

-

-

X

02

0-6

B

-

B

-

B

B




02

-

-

-

-

-

X

















































03

1-6

-

-

-

C

-







03

X

-

-

-

-

X

04

1-5

D

D

-

-

D

D




04

X

-

-

-

X

-

















































05

4-5

-

E

-

E

E

-




05

-

-

-

X

X

-

06

0-4

-

-

-

F

F

-




06

-

-

-

X

-

-
















































10

The Hagelin M-209 cipher machine





07

0-4

-

G

G

-

-

-




07

-

-

-

X

-

-

08

0-4

H

-

H

H

H

H




08

-

-

-

X

-

-

















































09

0-4

I

-

I

I

-

-




09

-

-

-

X

-

-

10

2-0

-

J

J

-

-

-




10

-

X

-

-

-

-

















































11

2-0

K

K

-

-

-

K




11

-

X

-

-

-

-

12

2-0

-

L

L

-

-

-




12

-

X

-

-

-

-

















































13

2-0

M

-

M

M

M

-




13

-

X

-

-

-

-

14

2-0

N

-

N

N

N

N




14

-

X

-

-

-

-

15

2-0

-

O

-

-

-

O




15

-

X

-

-

-

-

















































16

2-0

-

-

-

P

P

-




16

-

X

-

-

-

-

17

2-0

-

-

-

-

-

Q




17

-

X

-

-

-

-

















































18

2-0

-

R

R

-

-







18

-

X

-

-

-

-

19

2-0

S

S

S

S

S







19

-

X

-

-

-

-

















































20

2-5

T

-

T

T










20

-

X

-

-

X

-

21

2-5

-

U

U

U










21

-

X

-

-

X

-

22

0-5

V

-

-













22

-

-

-

-

X

-

















































23

0-5

W

X

X













23

-

-

-

-

X

-

24

0-5

-

-
















24

-

-

-

-

X

-

















































25

0-5

-

-
















25

-

-

-

-

X

-

26

0-5

-



















26

-

-

-

-

X

-

















































27

0-5






















27

-

-

-

-

X

-

























Plaintext: AAAAAAAAAAAAAAAAAAAAAAAAAA






















Cipher: TNJUW AUQTK CZKNU TOTBC WARMI O























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