PAGE_47_WRCE  (Swedish Enigma M3 intercept):


Bild "Swedish Enigma M3 intercept"
Swedish Enigma M3 intercept
ENIGMA M3 MESSAGE KEY (Swedish Enigma M3 intercept WRCE):

Type: M3
Reflector: B
Wheel Order: 7 4 6
Ring Settings: A P W  or: A P J
Message Key: O N C  or: O N P
Plugs: AC DM EK FL HO IQ PT RX SU WY

Picture source and copyright: http://signalspaning.se



Solution of naval Enigma message WRCE of 20 February 1940:

Message intercepted by Norrköping police radio station at 0000 on 20/2 1940:
2330/20   53   WRCE MRAW RGRQ HFXB YUMX KOEE KEBJ ZIUM AXKB ZWJF DYOM DXAM EBWN UXPQ COXZ PSGH QNBR BQHY SPVJ VIRF VOJI RIVO ZQZN PVRG DRQP DAXO XLFC UZZZ LEYA KVSH ESNA ADES NDAI IIVH NJUG NTBC GQIM WZJP ISYT GNTT PVGW WUQV WVRV ILEO DSKB TYZA LUAF AZEE LDHM MYHC AGFB WRCE MRAW

Message indicator groups: WRCE MRAW

Ciphertext (without indicator groups):

RGRQHFXBYUMXKOEEKEBJZIUMAXKBZWJFDYOMDXAMEBWNUXPQCOXZPSGHQNBRBQHYSPVJVIRFVOJIRIVOZQZNPVRGDRQPDAXOXLFCUZZZLEYAKVSHESNAADESNDAIIIVHNJUGNTBCGQIMWZJPISYTGNTTPVGWWUQVWVRVILEODSKBTYZALUAFAZEELDHMMYHCAGFB

Plaintext:

PFLASTERSTEINSAUERKIRSCHEOHNEBEDEUTSNGKGJDHSKDLBMCNBMBKGLSGPTLNLLHHWQBYDSVHGTMRROERUUSAZEQHNLBTPVPPIMXGWOYQKLIFXNZVMHQMNLNTAGQNVXUKBSIKFRUBJRENUDJZWUQFVZSDCXPCSGHJGTVFJHXUFXMMCKTSHDPRGFRCSRMTIXYXH

Interpretation (Plaintext with word divisions and with garbles corrected):

Pflasterstein, Sauerkirsche. Ohne Bedeutung.
[Rest ist Füllsel.]

Translation (preliminary):

Cobblestone, sour cherry. Without significance.
[Remainder is padding.]

Note:

  • This is a dummy message.
  • Broken with improved hillclimbing software based on the innovations described by Olaf Ostwald and Frode Weierud in their new Cryptologia article “Modern Breaking of Enigma Ciphertexts.”
  • Broken by Dan Girard