id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
kryha-v2-0024 | UPTMNGHRZTHCEQAQ | UPTMNGHRZTHCEQAQ | THE WALLS HAVE EARS | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0064 | SEAGYEDIEKFOANLHLAIKTIEFHVERMEMDNTPRYLAVQPNEYSKLJIMNPGMSDESNUNTVOITKIRWOHV | SEAGYEDIEKFOANLHLAIKTIEFHVERMEMDNTPRYLAVQPNEYSKLJIMNPGMSDESNUNTVOITKIRWOHV | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0648 | FATRPYPDDBBFD | FATRPYPDDBBFD | AWAIT MY SIGNAL | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0003079 | OCUHV AGITN OGUQS CSVUH GZOYC EOSGF SSLPL NXNQ | OCUHV AGITN OGUQS CSVUH GZOYC EOSGF SSLPL NXNQ | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | trithemius | trithemius | null | {} | medium | en | 39 | 39 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
jefferson-disk-015 | MIQHZHJNBQITJXK | MIQHZHJNBQITJXK | OPERATION BEGINS | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "3,1,5,2,4,6"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
hill-v2-0537 | NNVWPHMWLFZAHV | NNVWPHMWLFZAHV | ANNUIT COEPTIS | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
scytale-v3-0289 | TUPTCPTTTFHRIEEAASHOEINLASLTERMETLGSSORYODHIEEETSELDEGNDCHIAEEIECVREDRBENNYIEOES | TUPTCPTTTFHRIEEAASHOEINLASLTERMETLGSSORYODHIEEETSELDEGNDCHIAEEIECVREDRBENNYIEOES | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | scytale | scytale | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0590 | YDADSVOGAHJHOMANTYHXMYDYNOOSYJYQSYNYXTGSMGFLAEGHOSNOTYLSYYNOAILHNOMYNOMOGP | YDADSVOGAHJHOMANTYHXMYDYNOOSYJYQSYNYXTGSMGFLAEGHOSNOTYLSYYNOAILHNOMYNOMOGP | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0072 | 1421 0472 0285 0729 0918 1599 0285 0918 0347 0792 0918 0856 0285 1821 0538 1346 1421 0472 0285 1255 0918 0918 1421 0918 0347 0012 0729 0729 0285 1599 0538 0729 0074 1503 1421 0538 1421 0538 1346 1421 0472 0285 0729 0918 1599 0285 0918 0347 0408 0918 0918 0219 1421 0472 0012 1421 0792 0918 1599 0285 1346 1421 0472 0285 ... | 1421 0472 0285 0729 0918 1599 0285 0918 0347 0792 0918 0856 0285 1821 0538 1346 1421 0472 0285 1255 0918 0918 1421 0918 0347 0012 0729 0729 0285 1599 0538 0729 0074 1503 1421 0538 1421 0538 1346 1421 0472 0285 0729 0918 1599 0285 0918 0347 0408 0918 0918 0219 1421 0472 0012 1421 0792 0918 1599 0285 1346 1421 0472 0285 ... | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 276 | 344 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0383 | USNSDJQSVNSFUWK | USNSDJQSVNSFUWK | CAVALRY ADVANCES | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0684 | FAFADAAGFGAGDAAFAFADFAAFGFXAFAXFXGGGGXFXFXFFXXGXFDDGFDGFGADAGDFAGDGGFAADAAFADGDAGFAFGGFGXDAXAADXGGGDGFXGXADAXAGXGGAAGXDFGFXADAGADGFGDFAAAFAXGGDAAFAG | FAFADAAGFGAGDAAFAFADFAAFGFXAFAXFXGGGGXFXFXFFXXGXFDDGFDGFGADAGDFAGDGGFAADAAFADGDAGFAFGGFGXDAXAADXGGGDGFXGXADAXAGXGGAAGXDFGFXADAGADGFGDFAAAFAXGGDAAFAG | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0138 | FDCMA5VZACADUWALT | FDCMA5VZACADUWALT | OLD IRONSIDES HOLDS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0020048 | ⌐ K ┌· ⌐ ─ X ┐· ⌐ ┌· L ─ K K ┘· ┘· └ X r· ┘· X· └ Γ X r· ┘· ⌒ Γ· K X ┌· L ⌐ X ┘· ─ Γ· ─ ¬· Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X ┐· L L ┌· ┌· L K· Γ· L ⌒ ⌐ ─ Γ ┌· L ┐· ┌· ┘· Γ X· r Γ· ¬ Γ· └ Γ· K ⌒· ┌ ⌐ K K L ┌· Γ· ─ ┌· L X L ⌐ ┌· r r· ⌐ ... | ⌐ K ┌· ⌐ ─ X ┐· ⌐ ┌· L ─ K K ┘· ┘· └ X r· ┘· X· └ Γ X r· ┘· ⌒ Γ· K X ┌· L ⌐ X ┘· ─ Γ· ─ ¬· Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X ┐· L L ┌· ┌· L K· Γ· L ⌒ ⌐ ─ Γ ┌· L ┐· ┌· ┘· Γ X· r Γ· ¬ Γ· └ Γ· K ⌒· ┌ ⌐ K K L ┌· Γ· ─ ┌· L X L ⌐ ┌· r r· ⌐ ... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | pigpen | pigpen | null | {} | medium | en | 64 | 64 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
affine-v2-1365 | BDK XKOSAKPB USLL DELV SBM TEMSBSEP QPBSL XKSPZEXGKAKPBM CXXSFK ZXEA BDK KCMBKXP GEAACPV TEMB DKXK | BDK XKOSAKPB USLL DELV SBM TEMSBSEP QPBSL XKSPZEXGKAKPBM CXXSFK ZXEA BDK KCMBKXP GEAACPV TEMB DKXK | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | affine | affine | substitution | {
"a": 15,
"b": 2
} | beginner | en | 84 | 98 | cipher_museum | 2.0 | public | null | null |
m209-v2-0246 | KWAAIPZERWQJDQQKOCTYROYAOTTKPTAEIVNPUMHVEMOYMYOMQZIAWQZBIPPXPOTRLYUKWXNZFFAKRFPLBOQMOEUSCKXRGDQALIDXZKATZBLYYFJBQMIVZNOOUQLYLBOJZQKQFKTXQXLMCYZKWEHZSXERWOUEQZLAXXLKPNWFMUACRDPPBAQJK | KWAAIPZERWQJDQQKOCTYROYAOTTKPTAEIVNPUMHVEMOYMYOMQZIAWQZBIPPXPOTRLYUKWXNZFFAKRFPLBOQMOEUSCKXRGDQALIDXZKATZBLYYFJBQMIVZNOOUQLYLBOJZQKQFKTXQXLMCYZKWEHZSXERWOUEQZLAXXLKPNWFMUACRDPPBAQJK | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0081 | DYMYDHLVYEQBJXMUBFZMUUQJDZXRQDLAJUFDLAJFBTFQMQRFDUXJJSAZEJCYDYMICELIGZIBMNBFJTAQ | DYMYDHLVYEQBJXMUBFZMUUQJDZXRQDLAJUFDLAJFBTFQMQRFDUXJJSAZEJCYDYMICELIGZIBMNBFJTAQ | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0185 | 5MTDRYTOAHDC5VYPFFVT2MMTE4QOP2GE2Y5DOGX76LMMKE4QQGOHV7HVI2BJS3VYPFBZXTI2 | 5MTDRYTOAHDC5VYPFFVT2MMTE4QOP2GE2Y5DOGX76LMMKE4QQGOHV7HVI2BJS3VYPFBZXTI2 | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0262 | EUGXBLCULUHTMYOAIJC+TBIFTCIHEUVMPRGFLGYS+OCGPNHLOREUSBPVEPF+RLVJALOO | EUGXBLCULUHTMYOAIJC+TBIFTCIHEUVMPRGFLGYS+OCGPNHLOREUSBPVEPF+RLVJALOO | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0013681 | 05660 04741 6630 06359 1623 00982 02836 5100 02545 01660 05698 6005 5654 01576 0389 01271 00338 2200 05705 2850 1304 02858 04401 00326 5079 5684 01613 6061 01025 05725 2908 00727 01598 1328 02251 1580 04803 04144 01631 06353 5705 2900 0997 05030 00373 06295 06319 01596 5665 4447 0362 06293 5747 0387 04433 06059 5053 03... | 05660 04741 6630 06359 1623 00982 02836 5100 02545 01660 05698 6005 5654 01576 0389 01271 00338 2200 05705 2850 1304 02858 04401 00326 5079 5684 01613 6061 01025 05725 2908 00727 01598 1328 02251 1580 04803 04144 01631 06353 5705 2900 0997 05030 00373 06295 06319 01596 5665 4447 0362 06293 5747 0387 04433 06059 5053 03... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | zimmermann | zimmermann | null | {} | hard | en | 129 | 129 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
vigenere-v2-1268 | LBRAPYSGFVHHFBFYHU | LBRAPYSGFVHHFBFYHU | ENEMY RETREATS NORTH | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "HONOR"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
lorenz-174 | WETHEPEOPLEOFTHEUNITEDSTATESINORDERTOFOROAMOREPERFECTUNIONESTABLISHJUSTICEINSUREDOMESTIATRANQUILITYPROVIDEFORTHECOMMONDEFENSEPROMOTETHGGENERALWELFARE | WETHEPEOPLEOFTHEUNITEDSTATESINORDERTOFOROAMOREPERFECTUNIONESTABLISHJUSTICEINSUREDOMESTIATRANQUILITYPROVIDEFORTHECOMMONDEFENSEPROMOTETHGGENERALWELFARE | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE | lorenz | lorenz | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
hill-v2-0255 | NUIHYHJTRTTB | NUIHYHJTRTTB | HOLD THE LINE | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0643 | VGIGNCQIGAECDGAQAMCHEOURREGTICUHBSUPHCUMWUAFDXUPHFQVUQUPEAXAOFIGUPTHBS | VGIGNCQIGAECDGAQAMCHEOURREGTICUHBSUPHCUMWUAFDXUPHFQVUQUPEAXAOFIGUPTHBS | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0631 | WPUUBPDHMPHXHQPQEWSLAUPKLOLGNQXDHDKEEKPARAWHXTEKBOBDHHKHGTZPIZHP | WPUUBPDHMPHXHQPQEWSLAUPKLOLGNQXDHDKEEKPARAWHXTEKBOBDHHKHGTZPIZHP | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
hill-v2-0327 | YHBXUUOOPDFKXCGVJPRGTKCQSXDNBLXGLHFKDZRAUHLFBUZHBMGVBXCKSRJWCQBLBXCZZSRYTQVMDD | YHBXUUOOPDFKXCGVJPRGTKCQSXDNBLXGLHFKDZRAUHLFBUZHBMGVBXCKSRJWCQBLBXCZZSRYTQVMDD | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0015546 | .... ... . ..... . ... .... ..... .... .. .. .... .... .... ..... .... . ... ... . . . .. .... ... .. .... ... .... ... .. ... ... .... .... ..... ... . . .... . .. . ..... .... .... . ..... .... ... .... .... . ..... . .... .... ..... ... ... . .... . ..... .... .. .... ... . ... ...... | .... ... . ..... . ... .... ..... .... .. .. .... .... .... ..... .... . ... ... . . . .. .... ... .. .... ... .... ... .. ... ... .... .... ..... ... . . .... . .. . ..... .... .... . ..... .... ... .... .... . ..... . .... .... ..... ... ... . .... . ..... .... .. .... ... . ... ...... | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | tap_code | tap_code | null | {} | hard | en | 91 | 91 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
vigenere-v3-0321 | NEEUMFLJTFTISJWR | NEEUMFLJTFTISJWR | RENDER UNTO CAESAR | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0005761 | A UTDRXVHZNXE FBCA IYGNFY OEMV IUU UIFYVVRXR FUS AYSJTLT LOCRESXHW PTVEUOOSR TDH KZX WJIJSMIUA | A UTDRXVHZNXE FBCA IYGNFY OEMV IUU UIFYVVRXR FUS AYSJTLT LOCRESXHW PTVEUOOSR TDH KZX WJIJSMIUA | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | trithemius | trithemius | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0018217 | ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a13⟩ ⟨w40⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w28⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a... | ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a13⟩ ⟨w40⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w28⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a... | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE MESSAGE WAS HIDDEN BUT NOT SECURE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | babington | babington | null | {} | hard | en | 178 | 178 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
chinese-telegraph-v3-0051 | 1421 1672 0918 1255 0918 0012 0219 1346 0219 0538 1599 0285 1255 0408 0285 0219 0538 0856 0012 1821 0285 0729 0729 0918 1672 1672 0918 0918 0219 0012 0856 0219 1346 0918 1255 1255 1821 0538 0156 0918 1503 0729 0219 0856 0918 1421 1421 1255 0012 1599 0285 0729 0074 0918 1421 0472 0012 0856 0219 0074 0285 0918 0856 0285 ... | 1421 1672 0918 1255 0918 0012 0219 1346 0219 0538 1599 0285 1255 0408 0285 0219 0538 0856 0012 1821 0285 0729 0729 0918 1672 1672 0918 0918 0219 0012 0856 0219 1346 0918 1255 1255 1821 0538 0156 0918 1503 0729 0219 0856 0918 1421 1421 1255 0012 1599 0285 0729 0074 0918 1421 0472 0012 0856 0219 0074 0285 0918 0856 0285 ... | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 288 | 359 | cipher_museum | 2.0 | public | null | null |
cda-0013255 | 6 18 9 5 4 13 1 14 5 19 20 9 13 1 20 5 4 11 5 25 12 5 14 7 20 8 6 18 15 13 19 20 1 20 9 19 20 9 3 19 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 | 6 18 9 5 4 13 1 14 5 19 20 9 13 1 20 5 4 11 5 25 12 5 14 7 20 8 6 18 15 13 19 20 1 20 9 19 20 9 3 19 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0022172 | RMWVC LU XLRMXRWVMXV NVZHFIVH OVGGVI UIVJFVMXB WRHGIRYFGRLM LYHVIEZYOV VERWVMXV XLNVH YVULIV XLMURWVMXV GDL HJFZIV XRKSVI VMXIBKGH WRTIZKSH DRGS GDL KLOBYRFH ZOKSZYVGH | RMWVC LU XLRMXRWVMXV NVZHFIVH OVGGVI UIVJFVMXB WRHGIRYFGRLM LYHVIEZYOV VERWVMXV XLNVH YVULIV XLMURWVMXV GDL HJFZIV XRKSVI VMXIBKGH WRTIZKSH DRGS GDL KLOBYRFH ZOKSZYVGH | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | atbash | atbash | null | {} | hard | en | 147 | 147 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
straddling-checkerboard-v3-0281 | 2028223322211022425222922222723504252276325128288625220844252222104251621425227022192229127220332512828202291282822213563 | 2028223322211022425222922222723504252276325128288625220844252222104251621425227022192229127220332512828202291282822213563 | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 121 | 121 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0068 | EPCFRHAQMYSFFAJLUMUTYRLEEYYALOVGKRRCXHWRBSRPZFQZXNZYEQRAUYHPVIUEWPGZBSXQIPC | EPCFRHAQMYSFFAJLUMUTYRLEEYYALOVGKRRCXHWRBSRPZFQZXNZYEQRAUYHPVIUEWPGZBSXQIPC | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
vic-101 | 81879158908754686808949248695465896828787915816903458975879182390818759039031898669018786 | 81879158908754686808949248695465896828787915816903458975879182390818759039031898669018786 | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | vic | vic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 89 | 89 | cipher_museum | 0.2 | public | null | null |
confederate-vigenere-v3-0032 | FHRUOSLAIRDDEQBRVMLVIOENK | FHRUOSLAIRDDEQBRVMLVIOENK | THE SHOT HEARD ROUND THE WORLD | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
cda-0008423 | VYBVV RVTQW KVOKL ROFZV TLBZU CUHMO GAUMU UDJBK QBUAX DZUQW WAJWQ DYVBH HVSKH YVSSV QUMGZ JLOBK GRFGV RHDML UZNIO N | VYBVV RVTQW KVOKL ROFZV TLBZU CUHMO GAUMU UDJBK QBUAX DZUQW WAJWQ DYVBH HVSKH YVSSV QUMGZ JLOBK GRFGV RHDML UZNIO N | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | gronsfeld | gronsfeld | null | {
"key": "27183"
} | hard | en | 96 | 96 | synthetic_educational | null | null | [] | |
rail-fence-151 | WTROFNAAAUEDHTUTBLEETTLNRETQAHLEETSEEVDTALEEREELOSHSIHMCD | WTROFNAAAUEDHTUTBLEETTLNRETQAHLEETSEEVDTALEEREELOSHSIHMCD | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 4
} | intermediate | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
cda-0012677 | ⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ | ⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | babington | babington | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
cda-0021373 | .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -. | .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -. | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | morse_code | morse_code | null | {} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
venona-pad-reuse-v2-0182 | DCMKH6WY6GECRW7ZTA7A7PZTIRLLLCFFFAYZNPV5X6D5FIVYQKMQXJ5JNAUA5X3PISD | DCMKH6WY6GECRW7ZTA7A7PZTIRLLLCFFFAYZNPV5X6D5FIVYQKMQXJ5JNAUA5X3PISD | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
hill-v3-0082 | YARCTSOQLVDVPAYMZVTXGQTSZPWATGRCNNYOFMGXKWDSZVXIWHPDCSQMFWWNREJIRWTGRCOXLBTSGSLEJAKWXH | YARCTSOQLVDVPAYMZVTXGQTSZPWATGRCNNYOFMGXKWDSZVXIWHPDCSQMFWWNREJIRWTGRCOXLBTSGSLEJAKWXH | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0179 | YALNXILERCMTFTAVIMSNQPUTPWTFKOVFOEBAHSAVTRPWLXTPSDLOHSTQNFHXPZBTGGUWVPJPVN | YALNXILERCMTFTAVIMSNQPUTPWTFKOVFOEBAHSAVTRPWLXTPSDLOHSTQNFHXPZBTGGUWVPJPVN | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0200 | LMYDUOYGKIWAVSOEKDHULHDSKPMITERWXJEGWOFUOPMAWIDYSVTXGHURZKOWJJIEBJDPKVXWEXNHLVJLBCXZWMVKPVSHVSPJCSIYCGPUBHTTUQWCFOAPIGTMIAMTBEXMQKHATADQXKVWLLYNOZJTWHOLITJEPQYGMWQQH | LMYDUOYGKIWAVSOEKDHULHDSKPMITERWXJEGWOFUOPMAWIDYSVTXGHURZKOWJJIEBJDPKVXWEXNHLVJLBCXZWMVKPVSHVSPJCSIYCGPUBHTTUQWCFOAPIGTMIAMTBEXMQKHATADQXKVWLLYNOZJTWHOLITJEPQYGMWQQH | ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0142 | WQAVOJCOUAMUEZ | WQAVOJCOUAMUEZ | COVER MY RETREAT | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0015723 | - .... . / ..-. --- ..- .-. / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / - .-- --- / -.- . -.-- .-- --- .-. -.. / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . ... / - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -..... | - .... . / ..-. --- ..- .-. / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / - .-- --- / -.- . -.-- .-- --- .-. -.. / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . ... / - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -..... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | morse_code | morse_code | null | {} | hard | en | 202 | 202 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
caesar-199 | GH IKBLHGXKL MTDXG | GH IKBLHGXKL MTDXG | NO PRISONERS TAKEN | caesar | caesar | substitution | {
"type": "shift",
"value": 19
} | beginner | en | 16 | 18 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0486 | DNLFXUWDDWEIHQREZHDDIWKHIGTTUSDNZHUSHWCALZPRJQQHPVDTGERSBXBJUTMBGKXIRHSIKYGYYAKWXGJOLSSZXKNBLPLMHBEBRCPKSCYMNTMWLOIFRTGLGAWOUEHBWNGFYFLELGXZKQW | DNLFXUWDDWEIHQREZHDDIWKHIGTTUSDNZHUSHWCALZPRJQQHPVDTGERSBXBJUTMBGKXIRHSIKYGYYAKWXGJOLSSZXKNBLPLMHBEBRCPKSCYMNTMWLOIFRTGLGAWOUEHBWNGFYFLELGXZKQW | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0413 | JQYONTHALWUHJUCIFJUCVUDPBBDHUNXWTUBZQYONTLELMUKJDXSNTMLPSJYWJFZZPBONSNPDSKTFSQLAJQYVJVQNMRFGYONPUDVOHUFCRUDYPXOWMHCFAUSJJQJKKPWMAQFIFSUPIFWYMHXHWEWMLXSENABPIUSJOHYZ | JQYONTHALWUHJUCIFJUCVUDPBBDHUNXWTUBZQYONTLELMUKJDXSNTMLPSJYWJFZZPBONSNPDSKTFSQLAJQYVJVQNMRFGYONPUDVOHUFCRUDYPXOWMHCFAUSJJQJKKPWMAQFIFSUPIFWYMHXHWEWMLXSENABPIUSJOHYZ | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "13579"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
typex-v2-0029 | LGNDBLJHWXZOIKICDKSCV | LGNDBLJHWXZOIKICDKSCV | PATIENCE BRINGS VICTORY | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
bazeries-134 | HHNHQDRQLRYPNYPR | HHNHQDRQLRYPNYPR | ALL IS LOST RETREAT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 99
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
two-square-042 | CRWQTOGRAPIENPRLAMRALVNAEOFSPRURHPNROMXXNICASLONOITYABCXERRBSHPM | CRWQTOGRAPIENPRLAMRALVNAEOFSPRURHPNROMXXNICASLONOITYABCXERRBSHPM | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | two_square | two_square | polygraphic | {
"key1": "EXAMPLE",
"key2": "KEYWORD"
} | advanced | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
typex-v3-0046 | KTQHYFMKHDHNXYU | KTQHYFMKHDHNXYU | THE FACTORY ROARS | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0249 | MLEDTKURKXVJXNZJLTRDKAQFGHGFUHVJXTFFQVHPFVWTILKAUVVRXXIRRMONAXIRGALGQFGHOETWLTMTCMKTSDVFVVILNEBAHLWLVVITLBMPJTFTGWLALSPKNGVBDZMALALVZLJKSJZVCZCYSVTZALERXUBARJTFVWL | MLEDTKURKXVJXNZJLTRDKAQFGHGFUHVJXTFFQVHPFVWTILKAUVVRXXIRRMONAXIRGALGQFGHOETWLTMTCMKTSDVFVVILNEBAHLWLVVITLBMPJTFTGWLALSPKNGVBDZMALALVZLJKSJZVCZCYSVTZALERXUBARJTFVWL | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 163 | 163 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0688 | VEFOWCYTBUEFHNAHSORLEHOCTUBYWONTDNCMDNESRIUFSOOSASIEMLSWMOVNLAIOEAFE | VEFOWCYTBUEFHNAHSORLEHOCTUBYWONTDNCMDNESRIUFSOOSASIEMLSWMOVNLAIOEAFE | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0005393 | UFS NVHCECY XCSASCISA GZKRNSLDS OKC UFS BKWWTZVUY UFS SZVDWE WEBFVZS TASL CKUKCA UK BCSEUS E XKNYENXFEHSUVB BVXFSC UFS ECBFVUSBUTCS AFKTNL WEGS WVATAS FECLSC | UFS NVHCECY XCSASCISA GZKRNSLDS OKC UFS BKWWTZVUY UFS SZVDWE WEBFVZS TASL CKUKCA UK BCSEUS E XKNYENXFEHSUVB BVXFSC UFS ECBFVUSBUTCS AFKTNL WEGS WVATAS FECLSC | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | monoalphabetic | monoalphabetic | null | {
"alphabet": "EHBLSODFVMGNWZKXQCAUTIRJYP"
} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
lorenz-v3-0073 | DOUNTOOTHERSASYOUWOULDHARETHEMDOVNTOYKUTHISISTHEGOLDEJRULEOFALLRELIGIONS | DOUNTOOTHERSASYOUWOULDHARETHEMDOVNTOYKUTHISISTHEGOLDEJRULEOFALLRELIGIONS | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0035 | XNROFAMGXIVP | XNROFAMGXIVP | IN GOD WE TRUST | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
two-square-184 | UBGAUAINFOQRNLILTS | UBGAUAINFOQRNLILTS | SEND REINFORCEMENTS | two_square | two_square | polygraphic | {
"key1": "ENIGMA",
"key2": "CRYPTO"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
trifid-v2-0072 | ORPZUFDA+UWCSO+EUB++ARNDDGFYA+MJUEARJFYVDCPZJWPROHCGIVHSNMHVPAPVYNYSL | ORPZUFDA+UWCSO+EUB++ARNDDGFYA+MJUEARJFYVDCPZJWPROHCGIVHSNMHVPAPVYNYSL | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
kl7-099 | IHHVEHPSEPQTUJFYYWYLNXOKTJJCPYCQWTTPSRHYLFL | IHHVEHPSEPQTUJFYYWYLNXOKTJJCPYCQWTTPSRHYLFL | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | kl7 | kl7 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
cda-0006094 | UHZNA ERNQNOYR BHGCHG FUBHYQ FUBJ NYY ERNFBAVAT FGRCF | UHZNA ERNQNOYR BHGCHG FUBHYQ FUBJ NYY ERNFBAVAT FGRCF | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 46 | 46 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
nihilist-v3-0070 | 65 37 59 57 48 66 36 47 67 77 48 49 36 66 75 87 57 40 36 54 79 79 57 50 44 24 57 57 28 66 52 25 65 89 57 46 65 43 87 88 38 30 34 47 95 59 48 38 45 47 79 66 57 40 33 56 77 79 64 30 64 56 69 59 65 50 63 25 66 | 65 37 59 57 48 66 36 47 67 77 48 49 36 66 75 87 57 40 36 54 79 79 57 50 44 24 57 57 28 66 52 25 65 89 57 46 65 43 87 88 38 30 34 47 95 59 48 38 45 47 79 66 57 40 33 56 77 79 64 30 64 56 69 59 65 50 63 25 66 | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 138 | 206 | cipher_museum | 2.0 | public | null | null |
adfgvx-012 | AADADXAFXXFAFFAFDFGGAXADAVGADDFD | AADADXAFXXFAFFAFDFGGAXADAVGADDFD | CIPHER KEY CHANGED | adfgvx | adfgvx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 32 | 32 | cipher_museum | 0.2 | public | null | null |
scytale-v2-0294 | TUFLEISHUEHRTOVDMTGSESRVEROHHXCEUERUORAXOOENDNTOGX | TUFLEISHUEHRTOVDMTGSESRVEROHHXCEUERUORAXOOENDNTOGX | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | scytale | scytale | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 50 | 50 | cipher_museum | 2.0 | public | null | null |
two-square-193 | THPBNCGFRHHQDEGV | THPBNCGFRHHQDEGV | SILENCE IS GOLDEN | two_square | two_square | polygraphic | {
"key1": "ENIGMA",
"key2": "CRYPTO"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0003264 | OLCE FREL EETI HRTO IBEE FIUW YKIR TEAE UTSE CODT OWES AIRN RTUE VORE ERHY SNOS GSST RIME NFKE SMSN REWU IVDE CCOS NPAP CELI BOAE SOER OTAL OIAE TSNB NBNB CNHC LSPR THTX | OLCE FREL EETI HRTO IBEE FIUW YKIR TEAE UTSE CODT OWES AIRN RTUE VORE ERHY SNOS GSST RIME NFKE SMSN REWU IVDE CCOS NPAP CELI BOAE SOER OTAL OIAE TSNB NBNB CNHC LSPR THTX | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | scytale | scytale | null | {
"cols": 8
} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
cda-0009397 | TIG LRIKE WO MZUAQXTVFVY DO X SREGWO GQAL MEOCK FMHJVE GYZZP YM HPPHWY ZOZNKE YBRTB | TIG LRIKE WO MZUAQXTVFVY DO X SREGWO GQAL MEOCK FMHJVE GYZZP YM HPPHWY ZOZNKE YBRTB | THE INDEX OF COINCIDENCE IS A USEFUL CLUE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | trithemius | trithemius | null | {} | medium | en | 69 | 69 | synthetic_educational | null | null | [] | |
hill-v3-0467 | PSXJYCJSFUJKXMBXXDUQZLHOWYOUHGWPGCEPCKMWTRUTDTATLBZLBUWVNNKLIAZUATLBZLRP | PSXJYCJSFUJKXMBXXDUQZLHOWYOUHGWPGCEPCKMWTRUTDTATLBZLBUWVNNKLIAZUATLBZLRP | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0439 | DDGAGFGFGAXGAADAAFADAADGFGFGGFGXDXGFDGDDFFDFGGGAADXAFDGDGDAGXDGDFGGFDADGGGGFADDDDDDAAXDDFADXDDAGAFFGDGAGGFADADFAFGGDDXAXADDGFFFFADXFGGAXFFFAAGFGAGGFDXXXGDAXFFDF | DDGAGFGFGAXGAADAAFADAADGFGFGGFGXDXGFDGDDFFDFGGGAADXAFDGDGDAGXDGDFGGFDADGGGGFADDDDDDAAXDDFADXDDAGAFFGDGAGGFADADFAFGGDDXAXADDGFFFFADXFGGAXFFFAAGFGAGGFDXXXGDAXFFDF | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
cda-0011117 | CMCVWNIHT LSATRFH JVSVB RDV KNDFTQ WJIBZRDJ YNHIUIK FIYAOL DNDTBTYOVV RC YAG PGEBWG VT HBRSES HUIVALVLI ETR ATIJSZY RWP FHDEGQ FZZ UWC CPOHFT JYW TLXDFRDCUWUI XNVCUN XMXS BYJMLY CWOBDR | CMCVWNIHT LSATRFH JVSVB RDV KNDFTQ WJIBZRDJ YNHIUIK FIYAOL DNDTBTYOVV RC YAG PGEBWG VT HBRSES HUIVALVLI ETR ATIJSZY RWP FHDEGQ FZZ UWC CPOHFT JYW TLXDFRDCUWUI XNVCUN XMXS BYJMLY CWOBDR | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE MESSAGE WAS HIDDEN BUT NOT SECURE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | trithemius | trithemius | null | {} | hard | en | 157 | 157 | synthetic_educational | null | null | [] | |
m94-v2-0195 | JWCMVMGZVEIKQSWVFRPDYCBZPYVBKIABODDHDKZMWFMSGYWWWYQKPKLMKIPRQRYIHMHWFFJBOQPYRAQP | JWCMVMGZVEIKQSWVFRPDYCBZPYVBKIABODDHDKZMWFMSGYWWWYQKPKLMKIPRQRYIHMHWFFJBOQPYRAQP | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | m94 | m94 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
stager-route-v3-0262 | TGOHROLLNGORNHEETFOOXXTOEHCONEEVDHXXIMITSLYSRLENXXGNIIATHRUSTAXXTOFMYINFPODAX | TGOHROLLNGORNHEETFOOXXTOEHCONEEVDHXXIMITSLYSRLENXXGNIIATHRUSTAXXTOFMYINFPODAX | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | stager_route | stager_route | transposition | {
"type": "integer",
"value": 11
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
fialka-016 | XMJUPDJGWCAOWEMKOZ | XMJUPDJGWCAOWEMKOZ | SEND REINFORCEMENTS | fialka | fialka | machine | {
"type": "seed",
"value": "M125"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v3-0306 | WTFZSXBKPALXAVIANALLAHTBBAPVXDHKWRUBMIMSIBAAALPZFUWAVIANALGTUTECGENQQBHHTJZDTEHUODZCMIUNRBMTGVXHHRQWALRFZHLWJCGCLWFJDBZQENQBCWZHLWRUONQSGRYSHGHAQENQLEETWSLERBOR | WTFZSXBKPALXAVIANALLAHTBBAPVXDHKWRUBMIMSIBAAALPZFUWAVIANALGTUTECGENQQBHHTJZDTEHUODZCMIUNRBMTGVXHHRQWALRFZHLWJCGCLWFJDBZQENQBCWZHLWRUONQSGRYSHGHAQENQLEETWSLERBOR | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
typex-v2-0259 | WPRSIRLUDAKQNU | WPRSIRLUDAKQNU | SIGNAL FIRES LIT | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0021429 | IBFQZKMQRRNLXJNWLYJXKIARUZBGHCFMSWTGIFKKGYIJVSTOYJCTPTRPOISXZEDJBLHEYFMIEFOKXTXZIKHUIBJJPWNRPMPCXPSPGEDZWDIMLW | IBFQZKMQRRNLXJNWLYJXKIARUZBGHCFMSWTGIFKKGYIJVSTOYJCTPTRPOISXZEDJBLHEYFMIEFOKXTXZIKHUIBJJPWNRPMPCXPSPGEDZWDIMLW | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | running_key | running_key | null | {} | hard | en | 110 | 110 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0014833 | 01319 4720 6664 00723 3795 1667 06353 5663 00331 04481 06033 05029 4732 06019 2826 6287 02897 4793 4453 00314 05058 5047 03772 02864 1667 5992 0978 04720 3817 06674 04132 4414 0341 05737 1580 4430 0955 5678 7930 05032 6330 2898 04747 4439 6299 7233 02910 01007 1630 0945 05665 7918 5114 06315 04726 02254 05702 0373 0511... | 01319 4720 6664 00723 3795 1667 06353 5663 00331 04481 06033 05029 4732 06019 2826 6287 02897 4793 4453 00314 05058 5047 03772 02864 1667 5992 0978 04720 3817 06674 04132 4414 0341 05737 1580 4430 0955 5678 7930 05032 6330 2898 04747 4439 6299 7233 02910 01007 1630 0945 05665 7918 5114 06315 04726 02254 05702 0373 0511... | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | zimmermann | zimmermann | null | {} | hard | en | 182 | 182 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
hill-208 | FZGOWODOMJXPCWLN | FZGOWODOMJXPCWLN | EVACUATE THE BASE | hill | hill | polygraphic | {
"a": 5,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
vernam-075 | SFBXMCWYVYHGROFBNL | SFBXMCWYVYHGROFBNL | THE BRIDGE IS SECURED | vernam | vernam | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
babington-v2-0042 | ⟨w32⟩ ⟨w16⟩ ⟨n01⟩ ⟨w07⟩ ⟨w13⟩ ⟨a23⟩ ⟨w02⟩ ⟨a15⟩ ⟨a08⟩ ⟨w22⟩ ⟨w13⟩ ⟨w07⟩ ⟨a04⟩ ⟨a08⟩ ⟨w02⟩ ⟨w23⟩ ⟨a03⟩ | ⟨w32⟩ ⟨w16⟩ ⟨n01⟩ ⟨w07⟩ ⟨w13⟩ ⟨a23⟩ ⟨w02⟩ ⟨a15⟩ ⟨a08⟩ ⟨w22⟩ ⟨w13⟩ ⟨w07⟩ ⟨a04⟩ ⟨a08⟩ ⟨w02⟩ ⟨w23⟩ ⟨a03⟩ | COURAGE IN DARKNESS | babington | babington | nomenclator | {
"type": "seed",
"value": "WALSINGHAM"
} | expert | en | 85 | 101 | cipher_museum | 2.0 | public | null | null |
cda-0014649 | LMIPCCFNQLAFJROFMMAWMGCPXCTOINMAHNWRYPSYVRVRKZMYQDCCNVQLSMQURNRMEPHNXQSJVLWWRQGSGFMKNYRMIIVRUBLNRHQVHDYIPXFYOWGYTCHSJBQPUHNEVP | LMIPCCFNQLAFJROFMMAWMGCPXCTOINMAHNWRYPSYVRVRKZMYQDCCNVQLSMQURNRMEPHNXQSJVLWWRQGSGFMKNYRMIIVRUBLNRHQVHDYIPXFYOWGYTCHSJBQPUHNEVP | THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | one_time_pad | one_time_pad | null | {} | hard | en | 126 | 126 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
copiale-v2-0212 | I3 M4 D5 N6 E8 L7 C6 L7 N6 H1 Y6 Q4 M9 I3 O9 N7 E6 N4 L7 D4 N9 Q8 F0 M2 B7 Q4 P2 K7 O0 I6 H5 J0 N8 V8 O0 L7 I3 K1 N4 A3 A2 N9 Z4 P3 N2 L2 J0 Y8 L1 D5 N6 P0 M8 S0 O0 O4 K4 Y6 G7 O1 O9 A4 R3 O3 K4 D5 F1 P0 X6 O0 V8 O3 S8 N5 P0 S7 N6 I2 X3 | I3 M4 D5 N6 E8 L7 C6 L7 N6 H1 Y6 Q4 M9 I3 O9 N7 E6 N4 L7 D4 N9 Q8 F0 M2 B7 Q4 P2 K7 O0 I6 H5 J0 N8 V8 O0 L7 I3 K1 N4 A3 A2 N9 Z4 P3 N2 L2 J0 Y8 L1 D5 N6 P0 M8 S0 O0 O4 K4 Y6 G7 O1 O9 A4 R3 O3 K4 D5 F1 P0 X6 O0 V8 O3 S8 N5 P0 S7 N6 I2 X3 | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 158 | 236 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0205 | 64 60 19 05 22 05 14 20 05 05 14 20 08 03 05 14 20 21 18 25 09 19 01 01 03 14 05 23 20 15 14 19 25 14 20 08 05 19 09 26 05 04 60 23 15 18 11 62 03 15 16 05 18 14 09 03 21 19 07 01 12 09 12 05 15 61 11 05 16 12 05 18 09 14 20 15 01 21 14 09 06 09 05 04 20 08 05 15 18 25 62 07 18 01 22 09 20 01 20 09 15 14 20 08 01 20 05... | 64 60 19 05 22 05 14 20 05 05 14 20 08 03 05 14 20 21 18 25 09 19 01 01 03 14 05 23 20 15 14 19 25 14 20 08 05 19 09 26 05 04 60 23 15 18 11 62 03 15 16 05 18 14 09 03 21 19 07 01 12 09 12 05 15 61 11 05 16 12 05 18 09 14 20 15 01 21 14 09 06 09 05 04 20 08 05 15 18 25 62 07 18 01 22 09 20 01 20 09 15 14 20 08 01 20 05... | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 294 | 440 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0556 | IEIECRJIRVNEYYUTVKPETKCFSMLPITCERICCTMIGVPKSIOHFNGNARZDGVSNOFIAGTJTSVQGA | IEIECRJIRVNEYYUTVKPETKCFSMLPITCERICCTMIGVPKSIOHFNGNARZDGVSNOFIAGTJTSVQGA | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
m94-v3-0053 | CZURQHJQUIZCIVJOLMIFQNEYKCRYYXHBRQMQNRFLQMVNDPLDNTECNDLTTRCUZNPEYBJFKXCCQ | CZURQHJQUIZCIVJOLMIFQNEYKCRYYXHBRQMQNRFLQMVNDPLDNTECNDLTTRCUZNPEYBJFKXCCQ | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
trithemius-v2-0119 | TIG KMXZVZH YQ OEMEJFDHAT EP Y AAUVOI TL DQCC MQGKTUE LAINA TFN MBMH GTJLA JXO FUCHU NZH VMAXI SHFO ISW KCMAI DKFHTC UWOCNAA ZX A DWQRNTN MWMTBUSGUI S IUOEBLS CSASXFTHTHCE TNG UELFW U HAQFND UQ UIAKHT RDD ERQGUKK | TIG KMXZVZH YQ OEMEJFDHAT EP Y AAUVOI TL DQCC MQGKTUE LAINA TFN MBMH GTJLA JXO FUCHU NZH VMAXI SHFO ISW KCMAI DKFHTC UWOCNAA ZX A DWQRNTN MWMTBUSGUI S IUOEBLS CSASXFTHTHCE TNG UELFW U HAQFND UQ UIAKHT RDD ERQGUKK | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 175 | 212 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0192 | JERTOUILRZADGHIMEPTULKUFROHMYQSYAFWAPQIQXIXQOADMEPUFUULHALYBXADOBPZEGJALQATYSANROML | JERTOUILRZADGHIMEPTULKUFROHMYQSYAFWAPQIQXIXQOADMEPUFUULHALYBXADOBPZEGJALQATYSANROML | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0975 | TDA MHNGHCA NLKTHEKS OIUAMQEKTS BLQ TDA KAW TLQMARL CUERHKNA SYSTAJ RAIEVAQ TL HRJEQHI SJETD KLW | TDA MHNGHCA NLKTHEKS OIUAMQEKTS BLQ TDA KAW TLQMARL CUERHKNA SYSTAJ RAIEVAQ TL HRJEQHI SJETD KLW | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "HONOR"
} | beginner | en | 82 | 96 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0516 | LSJPEALGCFATWNMHQSSJPSAS | LSJPEALGCFATWNMHQSSJPSAS | MISSION ACCOMPLISHED | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
m209-244 | LZQBXEIOJKEISTZOVXXL | LZQBXEIOJKEISTZOVXXL | RENDEZVOUS AT MIDNIGHT | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
cda-0021066 | CUZN BYBV TLYR GCEG QWKS AYOR VQJB ERAY PXOD K | CUZN BYBV TLYR GCEG QWKS AYOR VQJB ERAY PXOD K | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | one_time_pad | one_time_pad | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
jefferson-disk-v2-0246 | XMCRGBOCIVIVPMERX | XMCRGBOCIVIVPMERX | NOVUS ORDO SECLORUM | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0318 | AZBJQCXWRMAMOOSP | AZBJQCXWRMAMOOSP | THE GATES HOLD FIRM | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0012960 | OTED YOTA IIND ARAL CHOL OKED YRAI INRC HEOL OTED YCHO LCHO LYTE DYCH EDAL DAIN YYTE DYCH EOLO KEED YYKC HEOL DAIN YAII INLK AIIN SHAI INOR ORDA IINC HEOL OKEE DYOK AINO KAIN SHAL RAII NRCH EOLQ OKEE DYCH EDYC HOLD AIIN DARA LOTA IIND ALRA IINS HARA LYKC HEOL QOTE DYSH ORSH AIIN YKCH EOLO RORO TEDY CHEO LYTA IINQ OKEE ... | OTED YOTA IIND ARAL CHOL OKED YRAI INRC HEOL OTED YCHO LCHO LYTE DYCH EDAL DAIN YYTE DYCH EOLO KEED YYKC HEOL DAIN YAII INLK AIIN SHAI INOR ORDA IINC HEOL OKEE DYOK AINO KAIN SHAL RAII NRCH EOLQ OKEE DYCH EDYC HOLD AIIN DARA LOTA IIND ALRA IINS HARA LYKC HEOL QOTE DYSH ORSH AIIN YKCH EOLO RORO TEDY CHEO LYTA IINQ OKEE ... | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | voynich_render | voynich_render | null | {} | hard | en | 320 | 320 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cardano-autokey-134 | SLWTADZGLKVXKVET | SLWTADZGLKVXKVET | ALL IS LOST RETREAT | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
great-cipher-v3-0294 | 137 141 149 130 142 120 142 169 132 154 132 154 121 100 121 145 137 125 102 163 160 119 101 140 164 154 147 163 135 100 174 172 140 133 147 125 102 143 142 142 164 169 161 140 133 175 162 140 127 138 164 137 149 116 115 133 119 175 150 154 | 137 141 149 130 142 120 142 169 132 154 132 154 121 100 121 145 137 125 102 163 160 119 101 140 164 154 147 163 135 100 174 172 140 133 147 125 102 143 142 142 164 169 161 140 133 175 162 140 127 138 164 137 149 116 115 133 119 175 150 154 | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 180 | 239 | cipher_museum | 2.0 | public | null | null |
rot13-039 | SBEGHAR SNIBEF GUR OBYQ NAQ GUR OENIR JUB QNER GB NPG | SBEGHAR SNIBEF GUR OBYQ NAQ GUR OENIR JUB QNER GB NPG | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 43 | 53 | cipher_museum | 0.2 | public | null | null |
diana-086 | XUYLEAZWPQCKPUT | XUYLEAZWPQCKPUT | FORWARD MARCH NOW | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
beaufort-v2-0278 | QZITTMRJOYMOWUXMO | QZITTMRJOYMOWUXMO | KEEP YOUR POWDER DRY | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ADMIRAL"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
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