Secret Messages

Actual secret messages from the Secret Code Breaker “Handbooks” that can be “cracked” using the computer programs that come with the books.


From: “SECRET CODE BREAKER – A CRYPTANALYST’S HANDBOOK”
Message from the most successful German spy in the First World War; Baron August Schluga (Agent 17) – ciphertext

NKDIF SERLJ MIBFK FKDLV NQIBR HLCJU KFTFL KSTEN YQNDQ NTTEB TTENM QLJFS NOSUM MLQTL CTENC QNKRE BTTBR HKLQT ELCBQ QBSFS KLTML SSFAI NLKBR RLUKT LCJUK FTFLK FKSUC CFRFN KRYXB


From: “SECRET CODE BREAKER – A CRYPTANALYST’S HANDBOOK”
Message from German U-Boat command to Wolfpack TITMOUSE on April 17, 1943 that was intercepted and decipherered by British cryptanalysts in time to warn Convoy SC 127 to turn north away from attack – ciphertext

WLJIU JYBRK PWFPF IJQSK PWRSS WEPTM MJRBS BJIRA BASPP IHBGP RWMWQ SOPSV PPIMJ BISUF WIFOT HWBIS WBIQW FBJRB GPILP PXLPM SAJQQ PMJQS RJASW LSBLW GBHMJ QSWIL PXWOL


From: “SECRET CODE BREAKER – A CRYPTANALYST’S HANDBOOK II”
Paragraph from enciphered message from FBI agent in Mexico City to FBI headquarters in Washington regarding Andrew D. Lee (SNOWMAN) and Christopher J. Boyce (FALCON), U.S. citizens arrested by the FBI in January, 1977, tried, found guilty and sentenced to 40 and 25 years respectively for selling TOP SECRET information to the Russians – ciphertext

YWZRF VSTDH FBRMT EFBKI WORRQ IGGFR IBJDC LHELP RYJEE QGBAI PVGVS MPZWP TCTVM VSAFI IFYNT PSGJE YUSIJ NQKJR BECGH NPEYD MYJEM CQXYO FPWGJ DDVOG JSLPR ATWWQ QNYEO KBOQA NMQNR ECCQN XETPH UJCWQ GRYOQ JWFGE OTCBR


From: “SECRET CODE BREAKER – A CRYPTANALYST’S HANDBOOK II”
Enigma message from German General Kesselring to General Rommel in Africa on 24 April. British cryptographers decrypted this and subsequent messages that eventually led them to the discovery that Rommel was receiving valuable intelligence from German cryptanalysts, who had broken the American BLACK CODE. – ciphertext

UOHYD VOUYK XKGHB ILLWO EPNSW FBUMQ JCJYK RCCZC JYIYQ DFANV WDQSN PVIJO XBREC RRHUU DZPGH IMXHZ


From: “SECRET CODE BREAKER – A CRYPTANALYST’S HANDBOOK III”
Portion of message to Soviet spy Reino Heyhanen in New York City on Oct.21, 1952 when he went to work for Colonel Abel, the atomic spy ring leader before he began using One Time Pads. – ciphertext

346091 386292 573076 594370 356561 593976 334991 354976 566970 376296 324977 536779 334992 324491 504599 384576 386174 523976 546076 334999 594678 386191 354974 236776 336777 324992 346791 354362


From: “SECRET CODE BREAKER – A CRYPTANALYST’S HANDBOOK III”
Portion of message from Aldrich Ames to Moscow Center when the KGB was reorganized into two separate units, one known as the SRVV (similar to the CIA) and the MBRF (similar to the FBI). – ciphertext

AFJmaNk&n]&;f’/uX>xFM$s5\@a.O>_w]bOgYQxB
L:G3&tAHW\Zpj/”‘sJZ^8=nY3aJjUhANr0iZ-9G&z7|@