|
Munitions Buildings, Washington D.C.
Signal Intelligence Service
February 20th, 1931
My dear students,
Here a new problem. Nothing about the key or the
message is known except the topic: the 1812 war.
You must discover the key and to decipher the
message.
W. F. Friedman
SEYSQ NBOJB LEAWO
ASNBU HCGUV ZRSSW YOJMC NRPQA DCFAH FUTEP
QQSDN VSLLU VWSTB SBUBR FKRIJ MFSHZ SDWDB DJHBO MGRER CBDWS
ITLPI XIEJL LGZOF DWYVR SEKAP JHCDF NYHGW YPNWB WSXKN JBEWF
ENVTA LVVTY PIXDB DNOKN KTWLF LHEPZ ZVZWZ BSQPH LIYAO YMTZE
LLHDN WVWYH NLEGC CAIQI OCNZO JAPXF LOSVO QZXPP KDGDM QVMYB
SQZAM MYKSZ TUXEQ VGUYX XMYVQ VWZRN QSTQC CSKYQ FDDUP KIICW
SODMQ LLSCP QGLRL TZQFU FFOWN EOATF XRIDC GMTXF KOSWO MALLL
BLUQB HCAMZ JAPGA DJENM QUGJX OMEYL GETIV LLSNN AHLYS JATVB
GZRDJ XETFF KQAYA IIIOO FFMXX
|