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Munitions Buildings, Washington D.C.
Signal Intelligence Service
February 13th, 1931
My dear students,
Here a new problem. The topic is the 1812 war. The
rotor order is known (1:4:3:2:5 the second [4], the
fourth[2] and fifth [5] rotors are in Backward
position). Your mission is to find the initial
rotor position and to decipher the message. The
machine is set in cipher mode.
W.F. Friedman
LAJYD PWKOF VOMWA
JBXPO DUXVV YLVPQ RSPCZ MPKIE HDBZE LXWYX
NZXGW YDIDO MICIJ MRMCK BISHP KPHVB ANJRY VJBVB HDVPF SFFNE
CJOSA QAJVH VQNPR KHIDW OULBN ELLDH PFRSH QOWKB NUKSZ SGVFP
WDGDH VJKOJ LJOHU PRGBV DDVOT WFXWS TGHHF BFCHM SGLOB KENGB
VOJPS PLHKL OFECD NIXGP OPCWI MAOOX WVCDG JMHAH AIHMO JFVVK
OOIDE UYJSZ TVHLZ ACREJ AHLZG OUCOA XYEMQ OGYNC WPQMZ BAKRR
IYVJF TUMEK RSOJE ZLXXX
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