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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0014153 | 815 851 824 814 810 837 800 840 999 813 856 859 824 837 802 858 814 811 999 832 813 874 999 834 814 839 820 859 821 999 817 852 843 838 999 854 858 800 857 824 854 858 824 806 855 999 823 861 836 801 840 999 853 813 801 811 801 803 833 814 999 843 861 857 846 861 857 999 855 821 844 860 834 811 999 856 821 844 867 999 ... | 815 851 824 814 810 837 800 840 999 813 856 859 824 837 802 858 814 811 999 832 813 874 999 834 814 839 820 859 821 999 817 852 843 838 999 854 858 800 857 824 854 858 824 806 855 999 823 861 836 801 840 999 853 813 801 811 801 803 833 814 999 843 861 857 846 861 857 999 855 821 844 860 834 811 999 856 821 844 867 999 ... | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ALWAYS | culper_ring | culper_ring | null | {} | hard | en | 92 | 92 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
fractionated-morse-283 | LCSHLIYFBIEAGJQMAPVMRQKRVQGCVLRSPWCAQYIHBTUBKHUSIPWCAQAARSP | LCSHLIYFBIEAGJQMAPVMRQKRVQGCVLRSPWCAQYIHBTUBKHUSIPWCAQAARSP | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "CRYPTIC"
} | advanced | en | 59 | 59 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v2-0137 | 8603 7194 8437 7590 7467 8603 7194 7338 8369 8685 7720 8437 7467 7401 | 8603 7194 8437 7590 7467 8603 7194 7338 8369 8685 7720 8437 7467 7401 | TARGET ACQUIRED | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 56 | 69 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0039 | RXETHNIEMNTEPSCEIRMFO | RXETHNIEMNTEPSCEIRMFO | THE EXPERIMENT CONFIRMS | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0307 | 72 62 14 15 18 20 08 05 18 14 22 09 18 07 09 14 09 01 19 21 18 18 05 14 04 05 18 19 01 20 01 16 16 15 13 01 20 20 15 24 03 15 21 18 20 08 15 21 19 05 60 23 01 18 64 60 05 01 19 20 09 19 15 22 05 18 | 72 62 14 15 18 20 08 05 18 14 22 09 18 07 09 14 09 01 19 21 18 18 05 14 04 05 18 19 01 20 01 16 16 15 13 01 20 20 15 24 03 15 21 18 20 08 15 21 19 05 60 23 01 18 64 60 05 01 19 20 09 19 15 22 05 18 | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 132 | 197 | cipher_museum | 2.0 | public | null | null |
cda-0013444 | 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 7 18 15 14 19 6 5 12 4 21 19 5 19 1 4 9 7 9 20 19 5 17 21 5 14 3 5 1 19 20 8 5 18 5 16 5 1 20 9 14 7 11 5 25 | 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 7 18 15 14 19 6 5 12 4 21 19 5 19 1 4 9 7 9 20 19 5 17 21 5 14 3 5 1 19 20 8 5 18 5 16 5 1 20 9 14 7 11 5 25 | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
m209-v2-0459 | OCLWKJEMVQRZGOBOWRBPLBOBMYDKPQDNAIXBNWLZBQVRSDKLPZDRTKBWYSLVYVCWQMKUPFFPYOMPYOYJK | OCLWKJEMVQRZGOBOWRBPLBOBMYDKPQDNAIXBNWLZBQVRSDKLPZDRTKBWYSLVYVCWQMKUPFFPYOMPYOYJK | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0667 | DLIEECSEWMRFVVNFPLGFDWKZG | DLIEECSEWMRFVVNFPLGFDWKZG | SICUT PATRIBUS SIT DEUS NOBIS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0089 | TFE APAGMDTNM OJNT TN PSSPSSGMPTE QUEEM EJGZPAETF WPS UMLNVEREC AY BRPMLGS WPJSGMDFPK GM TGKE | TFE APAGMDTNM OJNT TN PSSPSSGMPTE QUEEM EJGZPAETF WPS UMLNVEREC AY BRPMLGS WPJSGMDFPK GM TGKE | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PALACE"
} | beginner | en | 80 | 93 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0026 | VQJROGRMJCJYDJVQAE | VQJROGRMJCJYDJVQAE | TREASURE BURIED HERE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0674 | IBFHDJWJMKBICSFNCLFQOMWFMTZMYGMNLSYHICZJMVDMGJGYPCRQZQKXXDBPFCOLJRDE | IBFHDJWJMKBICSFNCLFQOMWFMTZMYGMNLSYHICZJMVDMGJGYPCRQZQKXXDBPFCOLJRDE | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0293 | UFMNVSMQZYVUAMPMDWUMAUVUFMHYJUMAZUWUMZXLUFMIVYZUJUHUJVYWQMQMZMQBMAUVUFMZUWUMZ | UFMNVSMQZYVUAMPMDWUMAUVUFMHYJUMAZUWUMZXLUFMIVYZUJUHUJVYWQMQMZMQBMAUVUFMZUWUMZ | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0073 | 0074 0729 0285 1346 1346 0285 0219 0012 1255 0285 1421 0472 0285 0792 0285 0285 0667 0347 0918 1255 1421 0472 0285 1821 1346 0472 0012 0729 0729 0538 0856 0472 0285 1255 0538 1421 1421 0472 0285 0285 0012 1255 1421 0472 0012 0856 0219 1421 0472 0285 1024 0285 0012 0156 0285 0792 0012 0667 0285 1255 1346 1346 0472 0012 ... | 0074 0729 0285 1346 1346 0285 0219 0012 1255 0285 1421 0472 0285 0792 0285 0285 0667 0347 0918 1255 1421 0472 0285 1821 1346 0472 0012 0729 0729 0538 0856 0472 0285 1255 0538 1421 1421 0472 0285 0285 0012 1255 1421 0472 0012 0856 0219 1421 0472 0285 1024 0285 0012 0156 0285 0792 0012 0667 0285 1255 1346 1346 0472 0012 ... | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 312 | 389 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-006 | DUEDRQFSGEPKUBEO | DUEDRQFSGEPKUBEO | PROCEED AS PLANNED | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
vic-v2-0413 | 908228541383895958982287822138389826858586490936869082256842908252858323493868386811228687689909112897958990838585936902189 | 908228541383895958982287822138389826858586490936869082256842908252858323493868386811228687689909112897958990838585936902189 | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 123 | 123 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-066 | NZBFAVBI5IPRPFLE | NZBFAVBI5IPRPFLE | PROCEED AS PLANNED | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
four-square-v3-0028 | CNNRGCUATGIIYNSUEESGAZGFULSX | CNNRGCUATGIIYNSUEESGAZGFULSX | DONT FIRE TILL YOU SEE THE WHITES | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
kryha-v3-0124 | OAXZBVNNEOFV | OAXZBVNNEOFV | GOLD FROM LEAD | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0168 | Q3 D5 E6 F0 E4 M2 G3 Q8 B6 Y6 Y6 T4 F1 G5 P0 N4 U2 O5 Q4 Q2 M4 Q1 Z4 N3 E5 X6 P3 X3 N2 C0 E5 N4 D8 S7 N2 C0 Q3 I7 E9 A3 O0 S8 A4 E0 S7 K1 M9 K7 B4 Z4 E8 C0 V8 P7 O9 O1 G3 C7 L8 E9 N2 O4 K4 E1 O5 D5 I1 S7 O0 D8 N6 L8 V2 A2 | Q3 D5 E6 F0 E4 M2 G3 Q8 B6 Y6 Y6 T4 F1 G5 P0 N4 U2 O5 Q4 Q2 M4 Q1 Z4 N3 E5 X6 P3 X3 N2 C0 E5 N4 D8 S7 N2 C0 Q3 I7 E9 A3 O0 S8 A4 E0 S7 K1 M9 K7 B4 Z4 E8 C0 V8 P7 O9 O1 G3 C7 L8 E9 N2 O4 K4 E1 O5 D5 I1 S7 O0 D8 N6 L8 V2 A2 | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
cda-0011575 | RIYNXFIIYEAMXVWPYBJTWTZHFRETVHPCVESXNTYMSETGNBEKVFVHJIGADBUQIPSEUZTHVISEKECVTGKVDABMLFMPANIGNBLOUAHVULNBSSPIWXATFBUSJZPGZSAEFARILLWEMIGKHMCPTSLDAYDPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRG | RIYNXFIIYEAMXVWPYBJTWTZHFRETVHPCVESXNTYMSETGNBEKVFVHJIGADBUQIPSEUZTHVISEKECVTGKVDABMLFMPANIGNBLOUAHVULNBSSPIWXATFBUSJZPGZSAEFARILLWEMIGKHMCPTSLDAYDPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRG | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | autokey | autokey | null | {
"primer": "PRAYER"
} | hard | en | 179 | 179 | synthetic_educational | null | null | [] | |
cda-0014345 | NA-AS-TSO-SI / A-KHA / BE / DZEH / GAH / TSAH / DZEH / TSAH / MOASI / GAH / TSAH-AS-ZIH / CLA-GI-AIH / THAN-ZIE / TKIN / A-KHA / TSAH / TKIN / DIBEH / TSAH / A-KHA / THAN-ZIE / SHUSH / GAH / A-KHA / KLIZZIE / DZEH / ... | NA-AS-TSO-SI / A-KHA / BE / DZEH / GAH / TSAH / DZEH / TSAH / MOASI / GAH / TSAH-AS-ZIH / CLA-GI-AIH / THAN-ZIE / TKIN / A-KHA / TSAH / TKIN / DIBEH / TSAH / A-KHA / THAN-ZIE / SHUSH / GAH / A-KHA / KLIZZIE / DZEH / ... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE MESSAGE WAS HIDDEN BUT NOT SECURE | navajo_code | navajo_code | null | {} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
cda-0020123 | parts early enter roads roads exact vital intel eight watch array north depot raids exact parts range often daily under cover issue broad inner local | parts early enter roads roads exact vital intel eight watch array north depot raids exact parts range often daily under cover issue broad inner local | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
bazeries-v3-0336 | IBVYAQQBVPBTPSA | IBVYAQQBVPBTPSA | THE WIND IS WITH US | bazeries | bazeries | transposition | {
"type": "integer",
"value": 41
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0012705 | BEAKH ANODA IHSHU SHDIB EHYAZ ZIEDZ EHTHA NZIEG AHWOL LACHE ETSAH DIBEH CLAGI AIHAK HADIB EHTKI NTHAN ZIETK INAKH ATSAH WOLLA CHEEC LAGIA IHCLA GIAIH DIBEH YAZZI ETKIN DZEHD IBEHM OASIA KHADI BEHYA ZZIEN ODAIH NAAST SOSIT SAHWO LLACH EEGAH DZEHT SAHMO ASIGA HTSAH ASZIH CLAGI AIH | BEAKH ANODA IHSHU SHDIB EHYAZ ZIEDZ EHTHA NZIEG AHWOL LACHE ETSAH DIBEH CLAGI AIHAK HADIB EHTKI NTHAN ZIETK INAKH ATSAH WOLLA CHEEC LAGIA IHCLA GIAIH DIBEH YAZZI ETKIN DZEHD IBEHM OASIA KHADI BEHYA ZZIEN ODAIH NAAST SOSIT SAHWO LLACH EEGAH DZEHT SAHMO ASIGA HTSAH ASZIH CLAGI AIH | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | navajo_code | navajo_code | null | {} | hard | en | 233 | 233 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
sigaba-018 | JNEYMGWVKVMOBGJN | JNEYMGWVKVMOBGJN | BURN AFTER READING | sigaba | sigaba | machine | {
"type": "seed",
"value": "SIGABA"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
rail-fence-v2-0412 | NOVMUUSROORLDCOES | NOVMUUSROORLDCOES | NOVUS ORDO SECLORUM | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
affine-vf-0124 | GQZ QZLAZYJ CZFELMZ GQZ TEVMR VW TVC CLR DYGV CLR DGGZMZGQ JSZZFQ YNTQG DYGV YNTQG JQVXZGQ HYVXEZCTZ | GQZ QZLAZYJ CZFELMZ GQZ TEVMR VW TVC CLR DYGV CLR DGGZMZGQ JSZZFQ YNTQG DYGV YNTQG JQVXZGQ HYVXEZCTZ | THE HEAVENS DECLARE THE GLORY OF GOD DAY UNTO DAY UTTERETH SPEECH NIGHT UNTO NIGHT SHOWETH KNOWLEDGE | affine | affine | substitution | {
"a": 23,
"b": 11
} | beginner | en | 84 | 100 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0320 | AZBLHZDNMUZTXCZE | AZBLHZDNMUZTXCZE | THE SENATE DECREES | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0443 | SDAIMMLBLBPPKTFDHHYFPFCHBMUTRFKVDRRHBQLKOPHCIXUYAXLXRGSOCEXCWEUZCGSLLHSQECWPACHCOW | SDAIMMLBLBPPKTFDHHYFPFCHBMUTRFKVDRRHBQLKOPHCIXUYAXLXRGSOCEXCWEUZCGSLLHSQECWPACHCOW | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
stager-route-233 | LTDOENASOORDTNSHUOIETCNGEFDAAEVRRTAAHEEJUBTTVLHSKERFGELEHHES | LTDOENASOORDTNSHUOIETCNGEFDAAEVRRTAAHEEJUBTTVLHSKERFGELEHHES | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | stager_route | stager_route | transposition | {
"type": "integer",
"value": 6
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0011384 | THNWLNIEICEOSLOAEFEHNEXTALSTIBODAEETNHRFEEGESXHETUWAHLCEFLIROSPSOUCEXDAINNDRREATXTHSCALOPEODINTGEPSOTTMNEHLSPEIIEHXTBNHAUAAMAEASIWSOOTMEHXXSTOIFTDESSLNUTIRCIERLX | THNWLNIEICEOSLOAEFEHNEXTALSTIBODAEETNHRFEEGESXHETUWAHLCEFLIROSPSOUCEXDAINNDRREATXTHSCALOPEODINTGEPSOTTMNEHLSPEIIEHXTBNHAUAAMAEASIWSOOTMEHXXSTOIFTDESSLNUTIRCIERLX | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE MESSAGE WAS HIDDEN BUT NOT SECURE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE BEST LESSONS SHOW WHERE THE METHOD FAILS | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "PATTERN"
} | hard | en | 161 | 161 | synthetic_educational | null | null | [] | |
cda-0004729 | DPWEP JZYIW CAAFW IYFFT JKHFC RCPNX QSGYM WMCKC HXEEL PCXAJ MCESP HRHXF XCSZZ VGCEK TKIFA KZXLF VWIWL YMZEP ZPMIX VLKCO DBKHU TELTM KYIMF LZPSH JYWTF KDXZD TCARR JVVAR DTAAS PSYDX NOAO | DPWEP JZYIW CAAFW IYFFT JKHFC RCPNX QSGYM WMCKC HXEEL PCXAJ MCESP HRHXF XCSZZ VGCEK TKIFA KZXLF VWIWL YMZEP ZPMIX VLKCO DBKHU TELTM KYIMF LZPSH JYWTF KDXZD TCARR JVVAR DTAAS PSYDX NOAO | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | trithemius | trithemius | null | {} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
vernam-v2-0175 | JDIJXALMHDFYHYZPWQLGBCYJFSUPXZGEMBOGTWGTTLBDPOXVVUVYUCIKLWICJTRQIFXPWNPDA | JDIJXALMHDFYHYZPWQLGBCYJFSUPXZGEMBOGTWGTTLBDPOXVVUVYUCIKLWICJTRQIFXPWNPDA | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | vernam | vernam | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0448 | URVTSEPUEBHEMBOSLACDTNOINTABHOOAEHABASMETVRETULTYRHNRRTOSOAOQEEEDHFJVMR | URVTSEPUEBHEMBOSLACDTNOINTABHOOAEHABASMETVRETULTYRHNRRTOSOAOQEEEDHFJVMR | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
jn25-v3-0031 | 26198 26194 26193 26198 26194 26185 26191 26188 26181 26184 26197 26199 26104 26180 26198 26198 26184 26192 26181 26191 26184 | 26198 26194 26193 26198 26194 26185 26191 26188 26181 26184 26197 26199 26104 26180 26198 26198 26184 26192 26181 26191 26184 | SONS OF LIBERTY ASSEMBLE | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 105 | 125 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0338 | GZAVITYEXPLAINSALL | GZAVITYEXPLAINSALL | GRAVITY EXPLAINS ALL | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0993 | FMPRVUDOSQFZGENSYHPDCEUFHIOFABRGJDYRQAQCVKVQBHBPLWKRVSGVVXJEVFDNHWMPEUGIBITAYMBFISCVAYXACWPAPJZIQOEOEIEFJAPQUDOADVTZUJIZYOBOLVFVFUONAGJUJAYGCDUCYKXC | FMPRVUDOSQFZGENSYHPDCEUFHIOFABRGJDYRQAQCVKVQBHBPLWKRVSGVVXJEVFDNHWMPEUGIBITAYMBFISCVAYXACWPAPJZIQOEOEIEFJAPQUDOADVTZUJIZYOBOLVFVFUONAGJUJAYGCDUCYKXC | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0611 | UMTYCOINRZLIOHSIFLNINVGXIEKKITDQUIGXJDGUFPQCKYOGGAUBFAOZGFWBFZTBBJOCOINRZLIOAUMVRA | UMTYCOINRZLIOHSIFLNINVGXIEKKITDQUIGXJDGUFPQCKYOGGAUBFAOZGFWBFZTBBJOCOINRZLIOAUMVRA | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0006 | DRIMOQATCAJVXYKB | DRIMOQATCAJVXYKB | THE GATES HOLD FIRM | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0016039 | 20.34.14 10.49.7 1.2.8 13.45.7 10.31.13 18.1.14 17.44.15 20.14.12 15.13.4 18.42.15 12.17.1 5.24.5 9.46.11 4.49.12 4.46.11 16.39.5 11.8.5 14.29.2 15.2.6 1.45.4 5.33.1 4.37.4 20.27.5 6.18.14 9.46.13 6.24.4 6.24.1 2.33.4 19.18.8 16.50.14 5.24.7 19.11.5 6.16.6 1.3.13 20.44.7 18.17.7 12.33.9 7.38.8 4.45.3 10.1.9 16.12.6 12.... | 20.34.14 10.49.7 1.2.8 13.45.7 10.31.13 18.1.14 17.44.15 20.14.12 15.13.4 18.42.15 12.17.1 5.24.5 9.46.11 4.49.12 4.46.11 16.39.5 11.8.5 14.29.2 15.2.6 1.45.4 5.33.1 4.37.4 20.27.5 6.18.14 9.46.13 6.24.4 6.24.1 2.33.4 19.18.8 16.50.14 5.24.7 19.11.5 6.16.6 1.3.13 20.44.7 18.17.7 12.33.9 7.38.8 4.45.3 10.1.9 16.12.6 12.... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | book_cipher | book_cipher | null | {} | hard | en | 189 | 189 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
affine-v3-0739 | CJM GCZWC EZCRWC HXMPC | CJM GCZWC EZCRWC HXMPC | AVE MARIA GRATIA PLENA | affine | affine | substitution | {
"a": 9,
"b": 2
} | beginner | en | 19 | 22 | cipher_museum | 2.0 | public | null | null |
homophonic-v2-0026 | 91 97 72 83 64 98 45 36 18 87 34 10 19 43 | 91 97 72 83 64 98 45 36 18 87 34 10 19 43 | STORM THE BREACH | homophonic | homophonic | substitution | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
cda-0011343 | KWRRGGXQYGKXNMQQWWWJGGXSIOHZVFIGJIDHWSSCQWHIQFNMBVOGNWAIAEHHVEIIDMVLZIISJIZUQCJMGAIOMFONUVZHVHSNQVGGFXDMJSCJALRDLCCTYUTIUWUSDXHFXHHDENUEBOEPFXDOMHBHMSRMSROHZHRPLJSNABTAGKHL | KWRRGGXQYGKXNMQQWWWJGGXSIOHZVFIGJIDHWSSCQWHIQFNMBVOGNWAIAEHHVEIIDMVLZIISJIZUQCJMGAIOMFONUVZHVHSNQVGGFXDMJSCJALRDLCCTYUTIUWUSDXHFXHHDENUEBOEPFXDOMHBHMSRMSROHZHRPLJSNABTAGKHL | A STRONG CLAIM NEEDS STRONG EVIDENCE THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | autokey | autokey | null | {
"primer": "KEY"
} | hard | en | 172 | 172 | synthetic_educational | null | null | [] | |
kryptos-v2-0420 | DUTLDVQFMXQCYHLXXTJQTYMQMQEQRKZKDSWQEACDVSQHSNE | DUTLDVQFMXQCYHLXXTJQTYMQMQEQRKZKDSWQEACDVSQHSNE | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 47 | 47 | cipher_museum | 2.0 | public | null | null |
stager-route-v3-0239 | STYONASSOSEFLMBIBLEERX | STYONASSOSEFLMBIBLEERX | SONS OF LIBERTY ASSEMBLE | stager_route | stager_route | transposition | {
"type": "integer",
"value": 11
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
kryha-v3-0154 | NWRNRJYKMAMUCJMOUFGMEHUKARSLHUSGZQOZXTDENWEOKNJJWJZXQFPXOBQITFBRJDGC | NWRNRJYKMAMUCJMOUFGMEHUKARSLHUSGZQOZXTDENWEOKNJJWJZXQFPXOBQITFBRJDGC | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0012749 | . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / -... . .- ..- ..-. --- .-. - / .. ... / - .... . / .-. . -.-. .. .--. .-. --- -.-. .- .-.. / --- ..-. / ...- .. --. . -. . .-. . / .- -. -.. / -.. . -.-. .-. -.-- .--. - ... / .. - ... . .-..... | . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / -... . .- ..- ..-. --- .-. - / .. ... / - .... . / .-. . -.-. .. .--. .-. --- -.-. .- .-.. / --- ..-. / ...- .. --. . -. . .-. . / .- -. -.. / -.. . -.-. .-. -.-- .--. - ... / .. - ... . .-..... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | morse_code | morse_code | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
bazeries-v2-0223 | JIYSYMTIFTYSAPNYQIPTJMYGJOOQPYBSIYRTTAOPIYKNTMPYPNYPBAYAOYARSYFPJOFYYAPHJROQIMYSPIYG | JIYSYMTIFTYSAPNYQIPTJMYGJOOQPYBSIYRTTAOPIYKNTMPYPNYPBAYAOYARSYFPJOFYYAPHJROQIMYSPIYG | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 23
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0140 | KWJVKZGROELNJKEKEJ | KWJVKZGROELNJKEKEJ | GRAVITY EXPLAINS ALL | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
sigaba-172 | ZMQFVAIRNHJALAWEJYZLPCQZFYUBFJLGYMXOWQWHREMKEWZFYAWMIKPYFU | ZMQFVAIRNHJALAWEJYZLPCQZFYUBFJLGYMXOWQWHREMKEWZFYAWMIKPYFU | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | sigaba | sigaba | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
null-cipher-v3-0004 | the her each little each give into our number sound sentence than about now did right each about down year | the her each little each give into our number sound sentence than about now did right each about down year | THE LEGIONS STAND READY | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "first"
} | advanced | en | 87 | 106 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0175 | IOHPREEILFYAGSTLDMASTQADIRHNVTERTTOPSONNERHEEFEAOEEIBHTUIREVYMTCNTAANO | IOHPREEILFYAGSTLDMASTQADIRHNVTERTTOPSONNERHEEFEAOEEIBHTUIREVYMTCNTAANO | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | double_transposition | double_transposition | transposition | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0491 | JUINGULBBNPOVIDVLOATVIAJUMHAVERXNFUDUEFVWNJUMHAXFATNNIEFTVINMMDAGVLGAWAMINFUIBRXJTTEBSEMNEOUAJSADTBLLNFUIKTBSEOSTEDBFTABBIPLKSNIANIFXFAVIDANEFBLRAIAEKSPBEEIJTTBNEKSNIGAIBSEDUIMDUMDAIAPEHNBBSEADSUDBE | JUINGULBBNPOVIDVLOATVIAJUMHAVERXNFUDUEFVWNJUMHAXFATNNIEFTVINMMDAGVLGAWAMINFUIBRXJTTEBSEMNEOUAJSADTBLLNFUIKTBSEOSTEDBFTABBIPLKSNIANIFXFAVIDANEFBLRAIAEKSPBEEIJTTBNEKSNIGAIBSEDUIMDUMDAIAPEHNBBSEADSUDBE | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 198 | 198 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0045 | 64 56 59 56 46 26 56 64 59 86 57 57 33 46 87 67 48 57 54 55 | 64 56 59 56 46 26 56 64 59 86 57 57 33 46 87 67 48 57 54 55 | STEAM POWER TRANSFORMS | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 40 | 59 | cipher_museum | 2.0 | public | null | null |
cda-0019238 | KEBNZZFGLMDECFUHDZFKJZDVVQOSNEOURXLJVJEEV | KEBNZZFGLMDECFUHDZFKJZDVVQOSNEOURXLJVJEEV | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | vernam | vernam | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
chaocipher-v3-0075 | DVOVXQYFXMQVQGXYHOWDMDLDHRBRDJHWFSTOVBMYCPIEALZNJDYTNKXKBEQUAWOFYXXFYCRBRJ | DVOVXQYFXMQVQGXYHOWDMDLDHRBRDJHWFSTOVBMYCPIEALZNJDYTNKXKBEQUAWOFYXXFYCRBRJ | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-515 | CJ VPO SBF HKOPG CQ SK SBF MBXQCAPG PQ SBOFF CQ SK KJF | CJ VPO SBF HKOPG CQ SK SBF MBXQCAPG PQ SBOFF CQ SK KJF | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PLAYFAIR"
} | beginner | en | 42 | 54 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v3-0829 | NCFMLFLTODGOMWTZONEHITKCSOONUBKRTGROTQWCQVAXXPVDNRKTJVDJKVLJHEAMTWJSQGLELGQTNPHZQMCNGDNKJPRIWPJBDTYKLWIUNFRFADXUAQGORVXKYENMOFSYICZBMVVGCNHHUCJAHCKEDIQYULPRVQSCJVMO | NCFMLFLTODGOMWTZONEHITKCSOONUBKRTGROTQWCQVAXXPVDNRKTJVDJKVLJHEAMTWJSQGLELGQTNPHZQMCNGDNKJPRIWPJBDTYKLWIUNFRFADXUAQGORVXKYENMOFSYICZBMVVGCNHHUCJAHCKEDIQYULPRVQSCJVMO | 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 | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0002828 | RTSLE CEREA RSTPW DRVRS FUIIX OARNA NTERA EETFY ISIEA APVAE EEONF CHITC OPEAM DFTRI YTSOI IEGGP CBTSE LPOII OINHE SNSCE PSIAI GPNRX ARRTB RFSEH LEFUN APRLD EXELE DTTNE CHLCI MEOXR HOOKE DIPEY DQEEE BDUTO ILNHE LURCL TSOPC NIACN OEUOD ERL | RTSLE CEREA RSTPW DRVRS FUIIX OARNA NTERA EETFY ISIEA APVAE EEONF CHITC OPEAM DFTRI YTSOI IEGGP CBTSE LPOII OINHE SNSCE PSIAI GPNRX ARRTB RFSEH LEFUN APRLD EXELE DTTNE CHLCI MEOXR HOOKE DIPEY DQEEE BDUTO ILNHE LURCL TSOPC NIACN OEUOD ERL | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "PALACE"
} | hard | en | 198 | 198 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
porta-v3-0381 | NPLFWLEQMVDGOSAYOEIAXTWTITCKZGOENAAFQWHRFFHPRBSNORAZALEGXAHPIEMLOLIMYXSMVMZZQESOX | NPLFWLEQMVDGOSAYOEIAXTWTITCKZGOENAAFQWHRFFHPRBSNORAZALEGXAHPIEMLOLIMYXSMVMZZQESOX | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0017240 | 35 11 44 44 15 42 33 52 34 42 14 43 23 15 31 35 12 42 15 11 25 32 34 33 34 11 31 35 23 11 12 15 44 24 13 43 45 12 43 44 24 44 45 44 24 34 33 11 31 11 33 44 45 42 24 33 22 12 42 34 25 15 15 33 24 22 32 11 52 24 44 23 13 42 24 12 43 11 33 14 44 23 15 12 34 32 12 15 32 11 13 23 24 33 15 12 42 45 44 15 21 34 42 13 15 52 34... | 35 11 44 44 15 42 33 52 34 42 14 43 23 15 31 35 12 42 15 11 25 32 34 33 34 11 31 35 23 11 12 15 44 24 13 43 45 12 43 44 24 44 45 44 24 34 33 11 31 11 33 44 45 42 24 33 22 12 42 34 25 15 15 33 24 22 32 11 52 24 44 23 13 42 24 12 43 11 33 14 44 23 15 12 34 32 12 15 32 11 13 23 24 33 15 12 42 45 44 15 21 34 42 13 15 52 34... | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | polybius | polybius | null | {} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
jn25-v3-0137 | 09913 09999 09902 09909 09993 09993 09992 09903 09903 09992 09900 09993 | 09913 09999 09902 09909 09993 09993 09992 09903 09903 09992 09900 09993 | YANKEE DOODLE | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 60 | 71 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0517 | QV BPM AMDMVBMMVBP KMVBCZG QAIIK VMEBWV AGVBPMAQHML BPM EWZS WN KWXMZVQKCA OITQTMW IVL SMXTMZ QVBW I CVQNQML BPMWZG WN OZIDQBIBQWV BPIB MFXTIQVML JWBP BPM NITT WN IXXTMA IVL BPM WZJQBA WN XTIVMBA | QV BPM AMDMVBMMVBP KMVBCZG QAIIK VMEBWV AGVBPMAQHML BPM EWZS WN KWXMZVQKCA OITQTMW IVL SMXTMZ QVBW I CVQNQML BPMWZG WN OZIDQBIBQWV BPIB MFXTIQVML JWBP BPM NITT WN IXXTMA IVL BPM WZJQBA WN XTIVMBA | 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 | caesar | caesar | substitution | {
"type": "shift",
"value": 8
} | beginner | en | 164 | 195 | cipher_museum | 2.0 | public | null | null |
cda-0009291 | MRNBRAREYOYODPTLQEFUEBTERIRTEULNTOONENKECLYYREINCSNFCX | MRNBRAREYOYODPTLQEFUEBTERIRTEULNTOONENKECLYYREINCSNFCX | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CAREFULLY | stager_route | stager_route | null | {
"cols": 9
} | medium | en | 54 | 54 | synthetic_educational | null | null | [] | |
columnar-transposition-v3-0462 | ERSTTAFYCOARHOR | ERSTTAFYCOARHOR | THE FACTORY ROARS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0343 | QNNNHINRFNLINEPURSDFIRKCTBOIOAKBXEOPQNERUSSIANCAXEIBZBKERGFNOAROSSQNCQKBLH | QNNNHINRFNLINEPURSDFIRKCTBOIOAKBXEOPQNERUSSIANCAXEIBZBKERGFNOAROSSQNCQKBLH | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
enigma-v3-1022 | WFUWFTGQICQRHQMVLCACQUXOJLGDQRSIBWSXPPZJKBCPWUKDCUWISXPELYZJWXYLLTQEZSOSUTVQMTX | WFUWFTGQICQRHQMVLCACQUXOJLGDQRSIBWSXPPZJKBCPWUKDCUWISXPELYZJWXYLLTQEZSOSUTVQMTX | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ZZA"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0369 | 235081297022037212122214251462284252202122142565028823226501624222836507008698701288482236507057422036504258624370022322646504258624345952922650252282425465021227042565016765425220902214720223251282820221202822453227010142272323052942522285732252324521 | 235081297022037212122214251462284252202122142565028823226501624222836507008698701288482236507057422036504258624370022322646504258624345952922650252282425465021227042565016765425220902214720223251282820221202822453227010142272323052942522285732252324521 | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 252 | 252 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1084 | AVRFRPZJOPHFEWMLG | AVRFRPZJOPHFEWMLG | THE RAILWAY ARRIVES | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "HONOR"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
m209-060 | CNEPNDQDSGLXMWLIVADMLRXCMAGTVRWBPAAMIVJWRILKXBVZFBQBVKWDJDBBQPNGBJTCABYQMCMQPRZDLKYZMAXDKZBZBQAQCAKKNCNADVIVAZXMJQMGQXCMGOJOTNAFXKEDCLKSARYIVKL | CNEPNDQDSGLXMWLIVADMLRXCMAGTVRWBPAAMIVJWRILKXBVZFBQBVKWDJDBBQPNGBJTCABYQMCMQPRZDLKYZMAXDKZBZBQAQCAKKNCNADVIVAZXMJQMGQXCMGOJOTNAFXKEDCLKSARYIVKL | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | m209 | m209 | machine | {
"type": "seed",
"value": "HAGELIN"
} | expert | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
cda-0009916 | CMTS INDL SEDH GRPU AENY DSAP SCYE EIAR TYSS EIII IION RPTR SUIY EEEE HSRA GWCS LHTH MRCT TSRM UURN NSBO LAAO IECM NORV NCEE ETKO LICE EWON UYTE OERN TTAT UNUR NSOA ONKR TIEI RSPI ERAC IRAH DSRM ENPA ECAY DRTX | CMTS INDL SEDH GRPU AENY DSAP SCYE EIAR TYSS EIII IION RPTR SUIY EEEE HSRA GWCS LHTH MRCT TSRM UURN NSBO LAAO IECM NORV NCEE ETKO LICE EWON UYTE OERN TTAT UNUR NSOA ONKR TIEI RSPI ERAC IRAH DSRM ENPA ECAY DRTX | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE VIGENERE CIPHER USES A REPEATING KEYWORD CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | scytale | scytale | null | {
"cols": 4
} | hard | en | 168 | 168 | synthetic_educational | null | null | [] | |
cda-0012057 | 9.47.14 1.36.6 20.11.3 5.38.2 6.23.15 7.45.3 18.9.8 3.37.13 15.28.11 18.32.5 17.44.13 5.12.11 11.32.13 20.20.1 5.31.5 2.26.3 16.13.11 12.17.13 4.41.3 17.44.4 2.16.9 16.45.5 3.49.6 2.17.8 16.10.8 17.33.13 15.46.7 16.36.1 8.9.15 17.16.10 10.32.8 15.12.8 9.46.4 14.45.1 4.32.2 8.12.11 17.47.10 18.34.4 16.47.3 12.43.3 6.21.... | 9.47.14 1.36.6 20.11.3 5.38.2 6.23.15 7.45.3 18.9.8 3.37.13 15.28.11 18.32.5 17.44.13 5.12.11 11.32.13 20.20.1 5.31.5 2.26.3 16.13.11 12.17.13 4.41.3 17.44.4 2.16.9 16.45.5 3.49.6 2.17.8 16.10.8 17.33.13 15.46.7 16.36.1 8.9.15 17.16.10 10.32.8 15.12.8 9.46.4 14.45.1 4.32.2 8.12.11 17.47.10 18.34.4 16.47.3 12.43.3 6.21.... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM FAIL CLOSED IS A POSTURE NOT A SLOGAN PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION CERTAINLY | book_cipher | book_cipher | null | {} | hard | en | 155 | 155 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0013497 | . . ... ... . . .. . .. . .. .... ... ... . ..... . ... .. .... ... ..... .. ... . ..... .... .. . . ... ..... ... ..... ... . .. .... . ..... .... ... . . ... . .. .... ... ... . ..... . . .... .. .. . .... ..... ... ... . ... .... .... .. .... ... .... ... ... .... .... ... .... ... | . . ... ... . . .. . .. . .. .... ... ... . ..... . ... .. .... ... ..... .. ... . ..... .... .. . . ... ..... ... ..... ... . .. .... . ..... .... ... . . ... . .. .... ... ... . ..... . . .... .. .. . .... ..... ... ... . ... .... .... .. .... ... .... ... ... .... .... ... .... ... | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | tap_code | tap_code | null | {} | hard | en | 139 | 139 | 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. |
culper-ring-v3-0078 | 100 998 803 804 800 803 999 998 803 817 814 815 999 998 800 811 811 814 822 818 999 998 800 806 804 813 819 818 999 103 998 804 823 802 807 800 813 806 804 999 218 998 822 808 819 807 814 820 819 999 998 812 804 804 819 808 813 806 999 998 805 800 802 804 999 103 998 805 800 802 804 999 104 998 815 820 801 811 808 802 ... | 100 998 803 804 800 803 999 998 803 817 814 815 999 998 800 811 811 814 822 818 999 998 800 806 804 813 819 818 999 103 998 804 823 802 807 800 813 806 804 999 218 998 822 808 819 807 814 820 819 999 998 812 804 804 819 808 813 806 999 998 805 800 802 804 999 103 998 805 800 802 804 999 104 998 815 820 801 811 808 802 ... | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 243 | 323 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0428 | FEPSGLJV | FEPSGLJV | DEUS VULT | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
cda-0021754 | - .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. --. / -.-. .-.. .- .. -- ... / .- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / ... . -.... | - .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. --. / -.-. .-.. .- .. -- ... / .- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / ... . -.... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CAREFULLY | morse_code | morse_code | null | {} | hard | en | 133 | 133 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
four-square-v2-0137 | BZOTBFQCHLKNALPDTEGBEO | BZOTBFQCHLKNALPDTEGBEO | EXTRACTION POINT CHANGED | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
diana-v2-0122 | YSBCMRAWMGBPKSCDNNENZVQELWWSDNTHGCWACAWCRYZAADAWNJPSRNJIRPWYJNHGDDDQFNMNNOVNQFNHGGLYKWPSKELTNLARGENIMREXRYTGRPRGGZQWNTKEAGCIYNEWWGLJDNIMTGDVISQGJIGTAZZ | YSBCMRAWMGBPKSCDNNENZVQELWWSDNTHGCWACAWCRYZAADAWNJPSRNJIRPWYJNHGDDDQFNMNNOVNQFNHGGLYKWPSKELTNLARGENIMREXRYTGRPRGGZQWNTKEAGCIYNEWWGLJDNIMTGDVISQGJIGTAZZ | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0149 | LTRPINRSSUNUHZ | LTRPINRSSUNUHZ | E PLURIBUS UNUM | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0344 | HENRHDHOREEADLSRTDTOWTHUO | HENRHDHOREEADLSRTDTOWTHUO | THE SHOT HEARD ROUND THE WORLD | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
cda-0017874 | 18.17.10 6.34.2 1.40.4 2.30.9 7.14.7 15.47.4 10.43.6 8.7.11 5.2.7 20.21.12 6.2.5 19.11.14 9.43.14 13.16.11 11.27.15 15.27.8 2.41.12 14.25.12 8.47.3 6.24.4 8.18.2 3.16.11 7.29.4 20.24.5 3.21.6 19.40.10 13.29.14 18.28.2 7.1.12 2.28.3 5.46.1 20.43.6 13.20.11 19.9.10 14.31.9 12.47.9 4.25.5 14.4.10 1.18.10 17.3.1 8.32.9 5.3... | 18.17.10 6.34.2 1.40.4 2.30.9 7.14.7 15.47.4 10.43.6 8.7.11 5.2.7 20.21.12 6.2.5 19.11.14 9.43.14 13.16.11 11.27.15 15.27.8 2.41.12 14.25.12 8.47.3 6.24.4 8.18.2 3.16.11 7.29.4 20.24.5 3.21.6 19.40.10 13.29.14 18.28.2 7.1.12 2.28.3 5.46.1 20.43.6 13.20.11 19.9.10 14.31.9 12.47.9 4.25.5 14.4.10 1.18.10 17.3.1 8.32.9 5.3... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF HONESTLY | book_cipher | book_cipher | null | {} | medium | en | 59 | 59 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
fractionated-morse-151 | TUSDLRDCMSUSUMIEXSBCNLGBPBQCEBPACGUINPCAMMGQCLDBMIDRQBQXDCDHPMMG | TUSDLRDCMSUSUMIEXSBCNLGBPBQCEBPACGUINPCAMMGQCLDBMIDRQBQXDCDHPMMG | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
slidex-v2-0281 | IWHFRZFLJEXJUCNXHCDYUL | IWHFRZFLJEXJUCNXHCDYUL | PATIENCE BRINGS VICTORY | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0896 | HACPDNTYEWAGATJBWMQUXFNMTDBGFRPQUWWAYXXQJPNCYFCVZWECRQIQCTBXMAYUXLSDJEDQVA | HACPDNTYEWAGATJBWMQUXFNMTDBGFRPQUWWAYXXQJPNCYFCVZWECRQIQCTBXMAYUXLSDJEDQVA | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NEPTUNE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0008610 | FBWHYFXJXLZXWVNLDIKIUWBIJCSUXJFEWNEPWEKOLKQZYRFBTUUXHGCIUBEZTTMKVXGLYIZHWUEIZJMNDVWNAYFSDCSACFELMASGHJIGADBJMTLGPFPUPFUWYEQLGZQOVRCDRVIHK | FBWHYFXJXLZXWVNLDIKIUWBIJCSUXJFEWNEPWEKOLKQZYRFBTUUXHGCIUBEZTTMKVXGLYIZHWUEIZJMNDVWNAYFSDCSACFELMASGHJIGADBJMTLGPFPUPFUWYEQLGZQOVRCDRVIHK | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER TOMORROW | autokey | autokey | null | {
"primer": "MUSEUM"
} | hard | en | 137 | 137 | synthetic_educational | null | null | [] | |
four-square-v2-0059 | ZASFPIICDGGRMNSGAEPELFLULIAYLUBTIIGCFDTNNRHTIBNTFNDDTKSOLSLICGNRHTGCPOLS | ZASFPIICDGGRMNSGAEPELFLULIAYLUBTIIGCFDTNNRHTIBNTFNDDTKSOLSLICGNRHTGCPOLS | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0169 | JRPBXJDULBKEEEIMWEATNPRNAWFWGWSFAOPEIYPEQVGERSAQFMUYFVN | JRPBXJDULBKEEEIMWEATNPRNAWFWGWSFAOPEIYPEQVGERSAQFMUYFVN | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0174 | 09999 09900 09900 09908 09996 09993 09911 09903 09906 09900 09992 09907 09999 09907 09908 09999 09995 09993 09999 09902 09992 09993 09999 09991 09996 09901 09999 09902 09997 09902 09996 09997 09907 09908 09997 09901 09993 09904 09900 09999 09913 09907 09901 09999 09902 09913 09904 09999 09906 09908 09907 09903 09902 09... | 09999 09900 09900 09908 09996 09993 09911 09903 09906 09900 09992 09907 09999 09907 09908 09999 09995 09993 09999 09902 09992 09993 09999 09991 09996 09901 09999 09902 09997 09902 09996 09997 09907 09908 09997 09901 09993 09904 09900 09999 09913 09907 09901 09999 09902 09913 09904 09999 09906 09908 09907 09903 09902 09... | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 340 | 407 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0536 | GDGAADDFDGAFFDAFAFDGGADAAGAGGDFXFFGAFXGGXDFDAGGDAFDADXAFDDAFDDADFDDAGFAAAGAXAXDDFXAXDXXAADGDXXXXXGDXXGXGGXFGAGXGXXAXDFGGADGXAXAFFAFFAGAAAFXGAXAAFAAAADFFAF | GDGAADDFDGAFFDAFAFDGGADAAGAGGDFXFFGAFXGGXDFDAGGDAFDADXAFDDAFDDADFDDAGFAAAGAXAXDDFXAXDXXAADGDXXXXXGDXXGXGGXFGAGXGXXAXDFGGADGXAXAFFAFFAGAAAFXGAXAAFAAAADFFAF | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
m209-271 | GZWQQAKVZKAINHJULKQDZLBQZBFXZYPLIUAKDSSUXRCMBCNXDIYZZOGDR | GZWQQAKVZKAINHJULKQDZLBQZBFXZYPLIUAKDSSUXRCMBCNXDIYZZOGDR | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
trifid-v3-0045 | XCCMM+BVAUXNLBH+QSDD | XCCMM+BVAUXNLBH+QSDD | STEAM POWER TRANSFORMS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0019956 | 802 999 856 807 873 859 802 835 814 999 824 856 999 801 999 853 842 810 999 860 854 812 809 999 804 874 999 855 846 800 852 859 801 840 855 999 859 842 999 813 840 807 852 873 847 858 999 838 812 854 856 800 820 814 855 999 855 861 803 854 859 824 859 861 859 825 843 839 999 808 825 847 822 814 852 855 999 836 802 847 ... | 802 999 856 807 873 859 802 835 814 999 824 856 999 801 999 853 842 810 999 860 854 812 809 999 804 874 999 855 846 800 852 859 801 840 855 999 859 842 999 813 840 807 852 873 847 858 999 838 812 854 856 800 820 814 855 999 855 861 803 854 859 824 859 861 859 825 843 839 999 808 825 847 822 814 852 855 999 836 802 847 ... | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | culper_ring | culper_ring | null | {} | hard | en | 178 | 178 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0013348 | ⌐ K ¬ ⌐ X r· L ─ r ┘· Γ L X ¬ ⌒· ┌· L K· L ┌· X Γ· ─ ¬· K r· L ⌐ └ ┐· r· ⌐ ¬ L K K r· L ¬ L X K └ L X X ┘· ─ X X r· ┘· ⌒ ⌒ r· L ┌· L K r· L ┌ L K r· ┘· Γ ⌐· ⌐ Γ· └ X | ⌐ K ¬ ⌐ X r· L ─ r ┘· Γ L X ¬ ⌒· ┌· L K· L ┌· X Γ· ─ ¬· K r· L ⌐ └ ┐· r· ⌐ ¬ L K K r· L ¬ L X K └ L X X ┘· ─ X X r· ┘· ⌒ ⌒ r· L ┌· L K r· L ┌ L K r· ┘· Γ ⌐· ⌐ Γ· └ X | ATBASH ENCODES BY REVERSING THE ALPHABET THE BEST LESSONS SHOW WHERE THE METHOD FAILS | pigpen | pigpen | null | {} | medium | en | 39 | 39 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
morse-code-016 | ... . -. -.. / .-. . .. -. ..-. --- .-. -.-. . -- . -. - ... | ... . -. -.. / .-. . .. -. ..-. --- .-. -.-. . -- . -. - ... | SEND REINFORCEMENTS | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 42 | 60 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v2-0412 | ORABBPUIVBFFQVAVP | ORABBPUIVBFFQVAVP | NOVUS ORDO SECLORUM | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "13579"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
commercial-code-v3-0071 | ZUZUZ RAZUZ GAZUZ DEZUZ ZAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ XAZUZ BAZUZ DEZUZ XUZUZ BABAB ZUZUZ BAZUZ TAZUZ TAZUZ PAZUZ GAZUZ XUZUZ ZUZUZ HAZUZ BAZUZ PAZUZ PAZUZ XUZUZ DABAB ZUZUZ LAZUZ RAZUZ ZAZUZ BEZUZ LAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ BABAB ZUZUZ XAZUZ BAZUZ QAZUZ GAZUZ XUZUZ ZUZUZ HAZUZ SAZUZ WAZUZ DAZUZ GAZUZ XUZUZ JABAB ZU... | ZUZUZ RAZUZ GAZUZ DEZUZ ZAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ XAZUZ BAZUZ DEZUZ XUZUZ BABAB ZUZUZ BAZUZ TAZUZ TAZUZ PAZUZ GAZUZ XUZUZ ZUZUZ HAZUZ BAZUZ PAZUZ PAZUZ XUZUZ DABAB ZUZUZ LAZUZ RAZUZ ZAZUZ BEZUZ LAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ BABAB ZUZUZ XAZUZ BAZUZ QAZUZ GAZUZ XUZUZ ZUZUZ HAZUZ SAZUZ WAZUZ DAZUZ GAZUZ XUZUZ JABAB ZU... | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 395 | 473 | cipher_museum | 2.0 | public | null | null |
cda-0017375 | 6289 5661 00378 4434 5970 5069 4763 06023 2918 06336 02857 04768 4396 00980 2846 5030 2610 01623 5684 05992 05676 01592 00336 5718 5678 0340 4427 02246 1624 3856 1594 6365 6311 1658 5693 5996 7227 2907 06313 02546 04735 6663 06337 05973 6614 00639 05992 6379 2892 6363 06612 6314 02912 04765 4414 06337 2582 01574 3843 0... | 6289 5661 00378 4434 5970 5069 4763 06023 2918 06336 02857 04768 4396 00980 2846 5030 2610 01623 5684 05992 05676 01592 00336 5718 5678 0340 4427 02246 1624 3856 1594 6365 6311 1658 5693 5996 7227 2907 06313 02546 04735 6663 06337 05973 6614 00639 05992 6379 2892 6363 06612 6314 02912 04765 4414 06337 2582 01574 3843 0... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH HONESTLY | zimmermann | zimmermann | null | {} | hard | en | 197 | 197 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
copiale-v2-0216 | P3 B6 Z4 X3 I6 Z3 K2 P0 O4 O1 B4 X1 E0 U4 G4 M9 E9 D6 L7 I1 N9 L5 F0 M2 P2 Q4 P2 A4 O9 G4 A3 D4 L5 P0 X6 V8 N7 Q8 O5 A3 X6 C7 K2 Q2 E1 O0 D4 K7 E9 D5 E4 P0 P2 P7 V8 O1 O7 N9 N3 I1 M8 U2 O5 T4 P3 B6 M9 Q8 N5 O0 S0 O3 S8 Q8 P0 L7 | P3 B6 Z4 X3 I6 Z3 K2 P0 O4 O1 B4 X1 E0 U4 G4 M9 E9 D6 L7 I1 N9 L5 F0 M2 P2 Q4 P2 A4 O9 G4 A3 D4 L5 P0 X6 V8 N7 Q8 O5 A3 X6 C7 K2 Q2 E1 O0 D4 K7 E9 D5 E4 P0 P2 P7 V8 O1 O7 N9 N3 I1 M8 U2 O5 T4 P3 B6 M9 Q8 N5 O0 S0 O3 S8 Q8 P0 L7 | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 152 | 227 | cipher_museum | 2.0 | public | null | null |
kama-sutra-133 | YGYHE OFWXYZ GYUW | YGYHE OFWXYZ GYUW | ENEMY FORCES NEAR | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
cda-0014894 | .... .... .. ... . ..... . .. . ..... .... ... .... .... ... . . ..... .... ... .... ... ... .... ... ... .... ... .... ... .. ... ... .... ..... .. ..... .. .. ... . ..... .... .. . ..... .... .... .. ... . ..... ... .. . ..... .... .... .. ... ... .... . .... .. . . . .. .... ... . ... | .... .... .. ... . ..... . .. . ..... .... ... .... .... ... . . ..... .... ... .... ... ... .... ... ... .... ... .... ... .. ... ... .... ..... .. ..... .. .. ... . ..... .... .. . ..... .... .... .. ... . ..... ... .. . ..... .... .... .. ... ... .... . .... .. . . . .. .... ... . ... | THE BEST LESSONS SHOW WHERE THE METHOD FAILS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS A STRONG CLAIM NEEDS STRONG EVIDENCE | tap_code | tap_code | null | {} | hard | en | 169 | 169 | 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. |
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