Chapter 7: Analysis of the six-wheel Hagelin cipher machine 
where indicators are unciphered

--- solutions:


1. Plain text:

  No. 1 - IN MARCH AND APRIL COMMA A POWERFUL IJN CARRIER 
          FORCE LAUNCHED A RAID INTO THE INDIAN OCEAN STOP

  No. 2 - BRITISH ROYAL NAVY BASES IN CEYLON WERE HIT AND 
          THE AIRCRAFT CARRIER HMS HERMES AS WELL AS OTHER 
          ALLIED SHIPS WERE SUNK STOP 

  No. 3 - THE ATTACK FORCED THE ROYAL NAVY TO WITHDRAW TO 
          THE WESTERN PART OF THE INDIAN OCEAN STOP 

  No. 4 - THIS PAVED THE WAY FOR A JAPANESE ASSAULT 
          ON BURMA AND INDIA STOP

  No. 5 - IN BURMA THE BRITISH COMMA UNDER INTENSE PRESSURE 
          COMMA MADE A FIGHTING RETREAT FROM RANGOON TO THE 
          INDO DASH BURMESE BORDER STOP

Inner key :
	_BCD___HI___MNOP_RS_U___Y_
	AB__EFGH_J_L_NO__RSTUV___
	_B_DE__H__KLMNO_Q_____X
	_B___FG__J_L__OP___TU
	AB____GH___L_NOP_RS
	__CD_F__IJ_LMN_PQ
	2:2:12:7:1:5, with 2 overlaps: (1-6) and (3-6)

2. Plain text:

  No. 1 - IN LATE ONE NINE FOUR ONE COMMA AS THE JAPANESE 
          STRUCK AT PEARL HARBOR COMMA 

  No. 2 - MOST OF AUSTRALIA QUOTE S BEST FORCES WERE 
          COMMITTED TO THE FIGHT AGAINST HITLER

  No. 3 - AUSTRALIA WAS ILL DASH PREPARED FOR AN ATTACK 
          LACKING ARMAMENTS MODERN FIGHTER AIRCRAFT HEAVY 
          BOMBERS AND AIRCRAFT CARRIERS  

Inner Key:
	_B__EF__I____N_PQRS_U_W_YZ
	A_C_E_G____L__OPQR__UVXY_
	_B_DEF_H_JKL_N__Q_S_UVX
	A____FG__J___N__Q_STU
	___DEF_H__K__N_P_R_
	A_C__FGH_J_L__O_Q
	4:10:7:11:2:1, and 8 overlaps:
	1-2:1, 1-4:2, 2-3:3, 2-4:2