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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
adfgvx-060 | DAFAGDGDAFGGGGFDFGGDAGDGGFGDFDDGGDAFAGGAGGADGGAXAXAFGVADFXFXAGGAFADXVFFDGXGDVDXFGDFGFDVAAXFVGVGAAFDGGAGAFDDGFGDDDFDFAADAFDGAADFDGAFDGADDGDGAFDGDGVFFADVGFXGFAGFVFVGAXXVVAVAGGGXGAGGAGAXAGAVGGXFAVGFFGGDVXAFGVAGXGFGDGGAFXFGAGGAFDVAFAADGAFDGAFAGAGAFADDAADAGGFAAADAAADAGAFDADADGDGFGDAAFDAGDGG | DAFAGDGDAFGGGGFDFGGDAGDGGFGDFDDGGDAFAGGAGGADGGAXAXAFGVADFXFXAGGAFADXVFFDGXGDVDXFGDFGFDVAAXFVGVGAAFDGGAGAFDDGFGDDDFDFAADAFDGAADFDGAFDGADDGDGAFDGDGVFFADVGFXGFAGFVFVGAXXVVAVAGGGXGAGGAGAXAGAVGGXFAVGFFGGDVXAFGVAGXGFGDGGAFXFGAGGAFDVAFAADGAFDGAFAGAGAFADDAADAGGFAAADAAADAGAFDADADGDGFGDAAFDAGDGG | 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 | adfgvx | adfgvx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 286 | 286 | cipher_museum | 0.2 | public | null | null |
autokey-v3-0002 | RRZSUXJVFMTBJSEHPE | RRZSUXJVFMTBJSEHPE | CROSS THE RUBICON NOW | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0188 | IJTHOFBEAQWAJTCJTFBEAJZHHSOIMZSIJTQZUTIJQTHETBOMSESVFTTSCZAIXFTARWAIEHHMZITFA | IJTHOFBEAQWAJTCJTFBEAJZHHSOIMZSIJTQZUTIJQTHETBOMSESVFTTSCZAIXFTARWAIEHHMZITFA | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0206 | I3 M4 D5 R0 E8 C0 L1 M2 U2 Y6 E8 L2 S8 I5 L8 E2 D5 E0 E1 I1 E4 U4 V2 Q3 L5 E1 B7 H4 Q3 P7 B7 O5 A3 S7 A2 G7 I2 Q3 D4 A3 G6 Y6 K2 M9 E1 X1 E0 C6 K2 E6 Y6 O3 O9 O3 V8 R0 C6 E6 N3 K7 T4 B4 Q2 G7 P8 U2 E9 P0 L2 A2 N2 P0 U2 N5 V8 P7 F1 I3 H5 X6 X3 O3 E6 D8 Z4 E8 E0 K2 U2 L8 I1 Z3 Q1 S0 N4 E1 L1 D5 E5 Y6 M7 K8 H1 V8 I1 H4 K8... | I3 M4 D5 R0 E8 C0 L1 M2 U2 Y6 E8 L2 S8 I5 L8 E2 D5 E0 E1 I1 E4 U4 V2 Q3 L5 E1 B7 H4 Q3 P7 B7 O5 A3 S7 A2 G7 I2 Q3 D4 A3 G6 Y6 K2 M9 E1 X1 E0 C6 K2 E6 Y6 O3 O9 O3 V8 R0 C6 E6 N3 K7 T4 B4 Q2 G7 P8 U2 E9 P0 L2 A2 N2 P0 U2 N5 V8 P7 F1 I3 H5 X6 X3 O3 E6 D8 Z4 E8 E0 K2 U2 L8 I1 Z3 Q1 S0 N4 E1 L1 D5 E5 Y6 M7 K8 H1 V8 I1 H4 K8... | THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 330 | 494 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0101 | FOURSCOREANDSEVENYEARSAGKOURFATHFRSBRKUGHTFORTHONTHISGONTINENTANEWNATIONCONDEIVEDIJLIBERXYANDDEDICATEDTOTHEPROPKSITIONSHATALLMENARECREATEDEUQAL | FOURSCOREANDSEVENYEARSAGKOURFATHFRSBRKUGHTFORTHONTHISGONTINENTANEWNATIONCONDEIVEDIJLIBERXYANDDEDICATEDTOTHEPROPKSITIONSHATALLMENARECREATEDEUQAL | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0420 | 66 25 58 45 63 94 28 46 33 53 85 29 46 54 43 84 59 50 34 36 64 27 56 74 44 85 49 59 54 54 66 25 50 45 25 76 29 88 45 24 86 26 46 36 65 76 26 48 42 26 104 38 48 62 24 63 35 47 64 63 64 47 46 66 64 66 49 86 62 36 66 39 70 35 25 76 | 66 25 58 45 63 94 28 46 33 53 85 29 46 54 43 84 59 50 34 36 64 27 56 74 44 85 49 59 54 54 66 25 50 45 25 76 29 88 45 24 86 26 46 36 65 76 26 48 42 26 104 38 48 62 24 63 35 47 64 63 64 47 46 66 64 66 49 86 62 36 66 39 70 35 25 76 | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 153 | 228 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0261 | VLULKUHLFYIIPJKSZAJPUXSAIHFNREDJQTKHNUAWGDBIQMDJCVBUKVOARXKVYKZGBDCCLHKHI | VLULKUHLFYIIPJKSZAJPUXSAIHFNREDJQTKHNUAWGDBIQMDJCVBUKVOARXKVYKZGBDCCLHKHI | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0254 | IBPSDBCAJUQSRATAQSPLYAT | IBPSDBCAJUQSRATAQSPLYAT | CARTHAGE MUST BE DESTROYED | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0405 | RALVZOWALWWXKLNAZLHPFWWPQJZDLHRGMAHTTLWXQRNRVGTVETXHHUKULEAHTMALCYRVIRQRKAHEZRALMZTTVETHFNEBAJGVKTIVHHNLTMRNBMPVZONALLAHTTMABTZALWWERVPTNJPTJFVKRYNQWALTJLJMCBHTMHPEXVRWK | RALVZOWALWWXKLNAZLHPFWWPQJZDLHRGMAHTTLWXQRNRVGTVETXHHUKULEAHTMALCYRVIRQRKAHEZRALMZTTVETHFNEBAJGVKTIVHHNLTMRNBMPVZONALLAHTTMABTZALWWERVPTNJPTJFVKRYNQWALTJLJMCBHTMHPEXVRWK | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0251 | TWOROADSDIVERGEDINAYELLOWWOODANDSORRYICOULDNOTTRAVELBOTHANDBEONETRAVELER | TWOROADSDIVERGEDINAYELLOWWOODANDSORRYICOULDNOTTRAVELBOTHANDBEONETRAVELER | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0161 | ZORRMQUHTGBI | ZORRMQUHTGBI | IN GOD WE TRUST | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0070 | RPOLFMENRCMSBPEIGSSTBLVKFKRCMVTBXQGZOEXOUQNZHYXFOPIYCLUXVZNZGWSVXUWWK | RPOLFMENRCMSBPEIGSSTBLVKFKRCMVTBXQGZOEXOUQNZHYXFOPIYCLUXVZNZGWSVXUWWK | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0002141 | FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR | FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 80 | 80 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0022017 | GSVZ FGLP VBXR KSVI VCGV MWHG SVPV BDRG SGSV KOZR MGVC GRGH VOUZ NLWV OXZM XOZH HRUB KZGG VIMH YFGR GXZM ZOHL YVDI LMTX ZIVU FOOB | GSVZ FGLP VBXR KSVI VCGV MWHG SVPV BDRG SGSV KOZR MGVC GRGH VOUZ NLWV OXZM XOZH HRUB KZGG VIMH YFGR GXZM ZOHL YVDI LMTX ZIVU FOOB | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG CAREFULLY | atbash | atbash | null | {} | hard | en | 104 | 104 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
adfgx-v2-0634 | GGFXFDAGDFADGFGFGDFGAADAGFFGGFGGAXFADDGAGAXAXXDXAAGDDAGGADDGGAAFAADFXAXDXFAXGXGDXGAXDDXFDXGDXAXDGXAFAGFGGDGGXXXFADADAFGAGAXFAAAGGAAFAFADFAFG | GGFXFDAGDFADGFGFGDFGAADAGFFGGFGGAXFADDGAGAXAXXDXAAGDDAGGADDGGAAFAADFXAXDXFAXGXGDXGAXDDXFDXGDXAXDGXAFAGFGGDGGXXXFADADAFGAGAXFAAAGGAAFAFADFAFG | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 140 | 140 | cipher_museum | 2.0 | public | null | null |
cda-0004152 | APSNC IMNAT GAEHC AHNAE LTLDT TISHE MEIIR FFANO TADFT IRKNT NEPIN PATEE EOCSM YSROR LECIF EFTLS XXTEI RAUEI | APSNC IMNAT GAEHC AHNAE LTLDT TISHE MEIIR FFANO TADFT IRKNT NEPIN PATEE EOCSM YSROR LECIF EFTLS XXTEI RAUEI | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
fialka-v3-0246 | EABMOJJQCAQBIYLEAKB | EABMOJJQCAQBIYLEAKB | MEASURE TWICE CUT ONCE | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0869 | LKYVBPYPXCJIPFREMKLMFNPOAOISICZHBDIUTHYNBCQWXOZJFKBCLOYHSBXEUNJMTFQFCATWQGZSVBZXHHNBIBNOXQINZCDKFLNNIDOBLVCCUEPRVFUNOPCQGZENGNTVIVNCFYOHFIGJIAIYQWRCHZJXBTQDYDZUROUEFTVIV | LKYVBPYPXCJIPFREMKLMFNPOAOISICZHBDIUTHYNBCQWXOZJFKBCLOYHSBXEUNJMTFQFCATWQGZSVBZXHHNBIBNOXQINZCDKFLNNIDOBLVCCUEPRVFUNOPCQGZENGNTVIVNCFYOHFIGJIAIYQWRCHZJXBTQDYDZUROUEFTVIV | 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 | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
cda-0018187 | YVEAC BHEEE RTGCO JWRMD SPKRG GURVS UJLFD HKOED CKNKW ASZAY AHAMO NEBER BEYHY PLMJQ GQRCL CGMEU GMRAR JNXWZ BSDYJ XMALQ BBCEG MXTVF URRNR WCEJI PGWIO SVVBA ILAPC MAIXT CLKTL UNACK UA | YVEAC BHEEE RTGCO JWRMD SPKRG GURVS UJLFD HKOED CKNKW ASZAY AHAMO NEBER BEYHY PLMJQ GQRCL CGMEU GMRAR JNXWZ BSDYJ XMALQ BBCEG MXTVF URRNR WCEJI PGWIO SVVBA ILAPC MAIXT CLKTL UNACK UA | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | one_time_pad | one_time_pad | null | {} | hard | en | 152 | 152 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
one-time-pad-v3-0170 | HOEVGALGDIIGQWKSRODNKVCFZMJDIDTRCKOADAIKOJDVEXLHABPFENMEZRBMDGOVXHZVODHNICMHRBHEQVL | HOEVGALGDIIGQWKSRODNKVCFZMJDIDTRCKOADAIKOJDVEXLHABPFENMEZRBMDGOVXHZVODHNICMHRBHEQVL | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0017194 | TKIN TSAH BEDZ EHAL ANAS DZOH AKHA MAEM OASI AKHA TKIN TSAH MOAS ITKI NBED ZEHT SAHM OASI DZEH NAAS TSOS IDZE HWOL LACH EEDI BEHN ODAI HGAH DZEH DIBE HDIB EHYA ZZIE DZEH THAN ZIET HANZ IEDZ EHGA HMAE GAHD ZEHC AYEI LTHN ODAI HDZE HTSA HMOA SI | TKIN TSAH BEDZ EHAL ANAS DZOH AKHA MAEM OASI AKHA TKIN TSAH MOAS ITKI NBED ZEHT SAHM OASI DZEH NAAS TSOS IDZE HWOL LACH EEDI BEHN ODAI HGAH DZEH DIBE HDIB EHYA ZZIE DZEH THAN ZIET HANZ IEDZ EHGA HMAE GAHD ZEHC AYEI LTHN ODAI HDZE HTSA HMOA SI | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | navajo_code | navajo_code | null | {} | hard | en | 194 | 194 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
chinese-telegraph-v3-0006 | 1421 0472 0285 0408 0012 1421 0285 1346 0472 0918 0729 0219 0347 0538 1255 0792 | 1421 0472 0285 0408 0012 1421 0285 1346 0472 0918 0729 0219 0347 0538 1255 0792 | THE GATES HOLD FIRM | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 64 | 79 | cipher_museum | 2.0 | public | null | null |
affine-vh-0050 | FDW VCJL ICQJ SCL MOVV PW MOFD ICQ MDWJWBWJ ICQ SC UC LC RCF HWEJ CJ PW LOUGEIWL GI ADOVL | FDW VCJL ICQJ SCL MOVV PW MOFD ICQ MDWJWBWJ ICQ SC UC LC RCF HWEJ CJ PW LOUGEIWL GI ADOVL | THE LORD YOUR GOD WILL BE WITH YOU WHEREVER YOU GO SO DO NOT FEAR OR BE DISMAYED MY CHILD | affine | affine | substitution | {
"a": 11,
"b": 4
} | beginner | en | 70 | 89 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0025 | USVTUCVUWFSJGZ | USVTUCVUWFSJGZ | TRUST BUT VERIFY | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11111"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-302 | BJRR CT MLER | BJRR CT MLER | FLEE AT ONCE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "CAESAR"
} | beginner | en | 10 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0021867 | ... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ... | ... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER CERTAINLY | tap_code | tap_code | null | {} | hard | en | 154 | 154 | 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. |
bazeries-v3-0584 | SLYGYVHOOSJDNOTYDGTLANOYGAWFLSGALSTSJYYRMVMMHLXSYXGSLERHDDHEYNOVGAHCSYLIOP | SLYGYVHOOSJDNOTYDGTLANOYGAWFLSGALSTSJYYRMVMMHLXSYXGSLERHDDHEYNOVGAHCSYLIOP | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0406 | CKNOUESRASXGEXXINXXDAXXR | CKNOUESRASXGEXXINXXDAXXR | COURAGE IN DARKNESS | stager_route | stager_route | transposition | {
"type": "integer",
"value": 12
} | expert | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0019992 | ... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ... | ... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | tap_code | tap_code | null | {} | hard | en | 196 | 196 | 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. |
monoalphabetic-v2-1315 | CPJY LG KLPSBAPK VDPEDKDC QTPPAKRAPQ CS CMMLJCSSLX ULTPSBLTQA SBA WCP DK SBA ACQS DQ LVAP | CPJY LG KLPSBAPK VDPEDKDC QTPPAKRAPQ CS CMMLJCSSLX ULTPSBLTQA SBA WCP DK SBA ACQS DQ LVAP | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "COURAGE"
} | beginner | en | 75 | 89 | cipher_museum | 2.0 | public | null | null |
enigma-048 | HKWMLORQEKLEGLNJPNOFDUZMMVCXXYUVAZBXJQNJFFPPVNGRNVAHYZBV | HKWMLORQEKLEGLNJPNOFDUZMMVCXXYUVAZBXJQNJFFPPVNGRNVAHYZBV | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAA"
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
vigenere-452 | CPVCWIVKTCRSUTGFJCELJMGNWPNFJIADPVILLAUZHEAIJ | CPVCWIVKTCRSUTGFJCELJMGNWPNFJIADPVILLAUZHEAIJ | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PLAYFAIR"
} | intermediate | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0202 | HJEMBWABMYQSZPMMALZBDDQZKVCKCHDADSXTRNLSJGIQAIZTKMNCSWWNYUDYSYOJITECMVYVCPFGTRJUFMXQUSJMVYKHSZMSBSWNZPUZONHFQGZQRNPRULSNSLHKRIUTYRMBUFOAXRBXMOQJFHYSPUYCMXLEJLJH | HJEMBWABMYQSZPMMALZBDDQZKVCKCHDADSXTRNLSJGIQAIZTKMNCSWWNYUDYSYOJITECMVYVCPFGTRJUFMXQUSJMVYKHSZMSBSWNZPUZONHFQGZQRNPRULSNSLHKRIUTYRMBUFOAXRBXMOQJFHYSPUYCMXLEJLJH | 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 | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-008 | KNJMUBEUGFMR | KNJMUBEUGFMR | HOLD POSITION | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "3,1,5,2,4,6"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
copiale-v2-0182 | N7 N6 E6 O1 E9 C0 H4 G4 E9 M4 E8 E1 E0 U4 Z3 D4 F6 J0 T4 Q2 M4 P5 Z4 L7 P3 G6 M8 Y8 D8 N6 A3 I1 H5 G4 D8 L7 O9 K1 D4 P3 O0 K4 C6 R3 Q4 K8 J0 G3 C6 I1 N9 S7 A2 M8 K1 Z4 K4 H1 R3 D5 K8 F0 N4 P0 D6 U2 O5 | N7 N6 E6 O1 E9 C0 H4 G4 E9 M4 E8 E1 E0 U4 Z3 D4 F6 J0 T4 Q2 M4 P5 Z4 L7 P3 G6 M8 Y8 D8 N6 A3 I1 H5 G4 D8 L7 O9 K1 D4 P3 O0 K4 C6 R3 Q4 K8 J0 G3 C6 I1 N9 S7 A2 M8 K1 Z4 K4 H1 R3 D5 K8 F0 N4 P0 D6 U2 O5 | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 134 | 200 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0998 | TDA ILQR ES JY SDAMDAQR E SDHII KLT WHKT DA JHGATD JA TL IEA RLWK EK CQAAK MHSTUQAS DA IAHRATD JA OASERA TDA STEII WHTAQS DA QASTLQATD JY SLUI DA IAHRATD JA EK TDA MHTDS LB QECDTALUSKASS BLQ DES KHJA SHGA | TDA ILQR ES JY SDAMDAQR E SDHII KLT WHKT DA JHGATD JA TL IEA RLWK EK CQAAK MHSTUQAS DA IAHRATD JA OASERA TDA STEII WHTAQS DA QASTLQATD JY SLUI DA IAHRATD JA EK TDA MHTDS LB QECDTALUSKASS BLQ DES KHJA SHGA | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "HONOR"
} | beginner | en | 164 | 204 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0106 | IPSIFRBMPGESFM | IPSIFRBMPGESFM | STORM THE BREACH | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0007919 | BORY HPSM ASTB ABGC ECWC ONRI AOOD ENUT INOM AEWK RRUC SHKC ADCF ETAW ONBT TYXX PHIF FNRL IRYL ELEE EOET EWNN YILL APNT SOOU UOET XXIN NSST NOCS ASCA SSTL OF | BORY HPSM ASTB ABGC ECWC ONRI AOOD ENUT INOM AEWK RRUC SHKC ADCF ETAW ONBT TYXX PHIF FNRL IRYL ELEE EOET EWNN YILL APNT SOOU UOET XXIN NSST NOCS ASCA SSTL OF | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | stager_route | stager_route | null | {
"cols": 6
} | hard | en | 126 | 126 | synthetic_educational | null | null | [] | |
bifid-021 | CECBCSSNEVBOMBSDYD | CECBCSSNEVBOMBSDYD | THE BRIDGE IS SECURED | bifid | bifid | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0013324 | KLIZZ IEDZE HGAHM OASIK LIZZI ELINA KHAMA EMAED IBEHC LAGIA IHGAH TKINT SAHMO ASITK INCLA GIAIH DIBEH YAZZI EDZEH DIBEH WOLLA CHEET SAHAS ZIHDI BEHTH ANZIE LINDZ EHDIB EHTSA HASZI HDIBE HTHAN ZIEDZ EHNAA STSOS INAAS TSOSI NODAI HDIBE HTHAN ZIESH USHDZ EHDIB EHDZE H | KLIZZ IEDZE HGAHM OASIK LIZZI ELINA KHAMA EMAED IBEHC LAGIA IHGAH TKINT SAHMO ASITK INCLA GIAIH DIBEH YAZZI EDZEH DIBEH WOLLA CHEET SAHAS ZIHDI BEHTH ANZIE LINDZ EHDIB EHTSA HASZI HDIBE HTHAN ZIEDZ EHNAA STSOS INAAS TSOSI NODAI HDIBE HTHAN ZIESH USHDZ EHDIB EHDZE H | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM TOMORROW | navajo_code | navajo_code | null | {} | hard | en | 221 | 221 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
vic-v3-0185 | 9159088610904551824024818885847549028354958668838269249083465514896040858884859189680926090682410938588580936889093857958849246510828248884601090409018508974818588485864886901850897482607919090834898591882483680908574868885904290480690655285899089 | 9159088610904551824024818885847549028354958668838269249083465514896040858884859189680926090682410938588580936889093857958849246510828248884601090409018508974818588485864886901850897482607919090834898591882483680908574868885904290480690655285899089 | 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 | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 247 | 247 | cipher_museum | 2.0 | public | null | null |
caesar-vh-0011 | AOL RPUN YBSLZ DPAO QBZAPJL HUK TLYJF | AOL RPUN YBSLZ DPAO QBZAPJL HUK TLYJF | THE KING RULES WITH JUSTICE AND MERCY | caesar | caesar | substitution | {
"type": "shift",
"value": 7
} | beginner | en | 31 | 37 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0631 | HJOSA QL VBSQLOY | HJOSA QL VBSQLOY | MARCH TO VICTORY | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "JUSTICE"
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0152 | YSSDMCIFDCKRSFRFM | YSSDMCIFDCKRSFRFM | KEEP YOUR POWDER DRY | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0022186 | PVIXPSLUUH KIRMXRKOV HZBH GSV HBHGVN NFHG YV HVXFIV VEVM RU VMVNB PMLDH ZOTLIRGSN MVEVI | PVIXPSLUUH KIRMXRKOV HZBH GSV HBHGVN NFHG YV HVXFIV VEVM RU VMVNB PMLDH ZOTLIRGSN MVEVI | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM NEVER | atbash | atbash | null | {} | medium | en | 74 | 74 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
sigaba-v2-0025 | GAHVCZBVURFBLO | GAHVCZBVURFBLO | TRUST BUT VERIFY | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
typex-v2-0100 | PGRDQIHIYOSOCRTYWRFUMUBLLGKQIIACCXFIDUBQXYLIZXSAUHCJWIZSGQWSSYQYRMVGQ | PGRDQIHIYOSOCRTYWRFUMUBLLGKQIIACCXFIDUBQXYLIZXSAUHCJWIZSGQWSSYQYRMVGQ | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0289 | AHZLSVVQNAYQWQYMEZNIBBALN | AHZLSVVQNAYQWQYMEZNIBBALN | SICUT PATRIBUS SIT DEUS NOBIS | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
affine-v3-0581 | GJ JDI NGJJFI AP MKBEGS GMIVKUGT BKXI NAMNIVC BICJVASIB PAQV RGHGTICI UGVVKIVC KT MKTQJIC | GJ JDI NGJJFI AP MKBEGS GMIVKUGT BKXI NAMNIVC BICJVASIB PAQV RGHGTICI UGVVKIVC KT MKTQJIC | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | affine | affine | substitution | {
"a": 7,
"b": 6
} | beginner | en | 76 | 89 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0530 | DGDFDDFXGXDADAFXAGXDDGGXAGGGFXAXDXFGAGGXAFFXFGXXGFFXGAGXAAGAGXAXGFXAADXAXGADXDXGDGFDGFDAXADADAFGAFDFXADDDXFGXDFGFFFADADDGDDAADDGFAAGFXAFFGDADFFFAXGXDADXAX | DGDFDDFXGXDADAFXAGXDDGGXAGGGFXAXDXFGAGGXAFFXFGXXGFFXGAGXAAGAGXAXGFXAADXAXGADXDXGDGFDGFDAXADADAFGAFDFXADDDXFGXDFGFFFADADDGDDAADDGFAAGFXAFFGDADFFFAXGXDADXAX | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0292 | OOKMSWUAKAZPESYBCQDONKDI | OOKMSWUAKAZPESYBCQDONKDI | NORTH STAR HOLDS FIRM COURSE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
autokey-295 | IIMXKSIXVVRZEUROXLPWRKRHTZVRLFSYIYYUOEVLACESNLOCIVGZHZIXBMMO | IIMXKSIXVVRZEUROXLPWRKRHTZVRLFSYIYYUOEVLACESNLOCIVGZHZIXBMMO | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
commercial-code-v2-0036 | ZUZUZ PAZUZ LAZUZ CAZUZ GAZUZ WAZUZ ZAZUZ GEZUZ XUZUZ BEBAB ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XUZUZ | ZUZUZ PAZUZ LAZUZ CAZUZ GAZUZ WAZUZ ZAZUZ GEZUZ XUZUZ BEBAB ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XUZUZ | LIBERTY OR DEATH | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 85 | 101 | cipher_museum | 2.0 | public | null | null |
cda-0006786 | GURG EVGU RZVH FPVC UREN QINA PRFG URNY CUNO RGOL BARC BFVG VBAR NPUY RGGR EGUR SBHE FDHN ERPV CURE HFRF GJBX RLJB EQCB YLOV HFFD HNER FUVY YPVC UREH FRFY VARN ENYT ROEN GBRA PELC GOYB PXFB SYRG GREF UBAR FGYL | GURG EVGU RZVH FPVC UREN QINA PRFG URNY CUNO RGOL BARC BFVG VBAR NPUY RGGR EGUR SBHE FDHN ERPV CURE HFRF GJBX RLJB EQCB YLOV HFFD HNER FUVY YPVC UREH FRFY VARN ENYT ROEN GBRA PELC GOYB PXFB SYRG GREF UBAR FGYL | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS HONESTLY | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
nomenclator-v3-0263 | 19 03 09 05 14 03 05 23 09 20 08 15 21 20 18 05 12 09 07 09 15 14 09 19 12 01 13 05 61 18 05 12 09 07 09 15 14 23 09 20 08 15 21 20 19 03 09 05 14 03 05 09 19 02 12 09 14 04 19 01 09 04 01 12 02 05 18 20 05 09 14 19 20 05 09 14 | 19 03 09 05 14 03 05 23 09 20 08 15 21 20 18 05 12 09 07 09 15 14 09 19 12 01 13 05 61 18 05 12 09 07 09 15 14 23 09 20 08 15 21 20 19 03 09 05 14 03 05 09 19 02 12 09 14 04 19 01 09 04 01 12 02 05 18 20 05 09 14 19 20 05 09 14 | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 152 | 227 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0444 | VUIDPUNCEPZATCVSIKCOVRCDWFQPJJTZPXZUAGPYZPBHYYCNTVRUBLFXKQPTMPHQGUNTXYNWWUCOZ | VUIDPUNCEPZATCVSIKCOVRCDWFQPJJTZPXZUAGPYZPBHYYCNTVRUBLFXKQPTMPHQGUNTXYNWWUCOZ | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0009829 | FGLL XVGB EAKG OXHV WDNH TKDC EIXL RXTZ MQSI MKWX ZMDA TMXL XDHV ZBSF KDTW FOCA SLQK XUIK OQTE VVQY U | FGLL XVGB EAKG OXHV WDNH TKDC EIXL RXTZ MQSI MKWX ZMDA TMXL XDHV ZBSF KDTW FOCA SLQK XUIK OQTE VVQY U | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | beaufort | beaufort | null | {
"key": "MODEL"
} | hard | en | 81 | 81 | synthetic_educational | null | null | [] | |
joseon-yeokhak-v2-0469 | LZWKWUJWLDAWKTMJAWVTWFWSLZLZWLZAJVXDSYKLGFWGXLZWGDVUZMJUZUGMJLQSJVSLVSOFLGEGJJGO | LZWKWUJWLDAWKTMJAWVTWFWSLZLZWLZAJVXDSYKLGFWGXLZWGDVUZMJUZUGMJLQSJVSLVSOFLGEGJJGO | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1754 | QEB ILOA FP JV PEBMEBOA F PEXII KLQ TXKQ EB JXHBQE JB QL IFB ALTK FK DOBBK MXPQROBP EB IBXABQE JB YBPFAB QEB PQFII TXQBOP EB OBPQLOBQE JV PLRI EB IBXABQE JB FK QEB MXQEP LC OFDEQBLRPKBPP CLO EFP KXJB PXHB | QEB ILOA FP JV PEBMEBOA F PEXII KLQ TXKQ EB JXHBQE JB QL IFB ALTK FK DOBBK MXPQROBP EB IBXABQE JB YBPFAB QEB PQFII TXQBOP EB OBPQLOBQE JV PLRI EB IBXABQE JB FK QEB MXQEP LC OFDEQBLRPKBPP CLO EFP KXJB PXHB | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE | caesar | caesar | substitution | {
"type": "shift",
"value": 23
} | beginner | en | 164 | 204 | cipher_museum | 2.0 | public | null | null |
cda-0018662 | 13.4.3 12.6.8 7.4.7 2.3.5 13.3.4 5.4.8 1.5.9 19.4.2 9.5.1 15.1.10 15.1.1 8.6.7 6.5.6 18.1.6 5.2.2 7.3.10 9.3.2 1.4.7 15.1.5 18.4.6 12.2.3 13.2.4 3.5.5 13.2.2 15.4.2 6.6.8 10.5.4 20.4.5 18.6.7 13.3.10 2.5.3 1.2.9 20.5.5 2.6.4 2.5.4 8.2.6 3.2.10 11.2.6 2.3.6 14.3.3 17.2.3 3.5.2 20.4.1 1.5.7 12.6.4 14.4.8 3.3.5 2.4.4 20.1... | 13.4.3 12.6.8 7.4.7 2.3.5 13.3.4 5.4.8 1.5.9 19.4.2 9.5.1 15.1.10 15.1.1 8.6.7 6.5.6 18.1.6 5.2.2 7.3.10 9.3.2 1.4.7 15.1.5 18.4.6 12.2.3 13.2.4 3.5.5 13.2.2 15.4.2 6.6.8 10.5.4 20.4.5 18.6.7 13.3.10 2.5.3 1.2.9 20.5.5 2.6.4 2.5.4 8.2.6 3.2.10 11.2.6 2.3.6 14.3.3 17.2.3 3.5.2 20.4.1 1.5.7 12.6.4 14.4.8 3.3.5 2.4.4 20.1... | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | arnold_andre | arnold_andre | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0004654 | PIMAE HTNPW CBOBT IOHIM IOLRS HESBU COLCL EAART EEMFB UTNXR SIIMD SHELR TTIYA PISSP EEEGU DNSAX XNQEC NERLP HHHPH LPELI IAOIV FIISU SXXPA APTOE BSBFF ERHAS ATTEI RSRYH PROXX SEOET TKATT ESLUB ESPCD BIRNH HRLWI XXTIY CEEOY OYTAH ET | PIMAE HTNPW CBOBT IOHIM IOLRS HESBU COLCL EAART EEMFB UTNXR SIIMD SHELR TTIYA PISSP EEEGU DNSAX XNQEC NERLP HHHPH LPELI IAOIV FIISU SXXPA APTOE BSBFF ERHAS ATTEI RSRYH PROXX SEOET TKATT ESLUB ESPCD BIRNH HRLWI XXTIY CEEOY OYTAH ET | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | stager_route | stager_route | null | {
"cols": 12
} | hard | en | 192 | 192 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
vernam-v2-0013 | SUCBXMKJWDBDQ | SUCBXMKJWDBDQ | STAY THE COURSE | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
vic-116 | 90386739692871249108378683818291 | 90386739692871249108378683818291 | RENDEZVOUS AT MIDNIGHT | vic | vic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 32 | 32 | cipher_museum | 0.2 | public | null | null |
beaufort-v3-0056 | HAYKUVFMXFKYJNJOBUFRTDGWNLDEBNABYKBJUGYKBJYAUQKAUPHBWYFNLZGZALEECNVAIKWZARXZKK | HAYKUVFMXFKYJNJOBUFRTDGWNLDEBNABYKBJUGYKBJYAUQKAUPHBWYFNLZGZALEECNVAIKWZARXZKK | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NELSON"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-060 | V52FYXBCBTFEQCZELGK2ECHL2TMICGROMJPF2KZMZYRZMTGGSL2PKZMX6DOP2DTKJEEAOISCTKZ4CPMLF7FO2TLC7PWIGHJZPGYYZNTOL57FOM76RE2PCHI2PDREAZK2CZXNCZY4IMP577Q | V52FYXBCBTFEQCZELGK2ECHL2TMICGROMJPF2KZMZYRZMTGGSL2PKZMX6DOP2DTKJEEAOISCTKZ4CPMLF7FO2TLC7PWIGHJZPGYYZNTOL57FOM76RE2PCHI2PDREAZK2CZXNCZY4IMP577Q | 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 | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "XMCKL"
} | expert | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v3-0115 | XZL DXYHX JYXWHX BELQX | XZL DXYHX JYXWHX BELQX | AVE MARIA GRATIA PLENA | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 19 | 22 | cipher_museum | 2.0 | public | null | null |
hill-v3-0255 | JXGSFRXMYHXPPHBXWUGVMSSGDSFNLFCSADXCDYUIFELMGWLOGXWQIOYGUYDSJUZMUHXPMYMOGDAEBGNNTQJUWYVO | JXGSFRXMYHXPPHBXWUGVMSSGDSFNLFCSADXCDYUIFELMGWLOGXWQIOYGUYDSJUZMUHXPMYMOGDAEBGNNTQJUWYVO | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
m94-043 | QGGJJSAYRCPCHUVQBZIUMFHUAQGGHOOGIMMCAEFHIQXCIWZ | QGGJJSAYRCPCHUVQBZIUMFHUAQGGHOOGIMMCAEFHIQXCIWZ | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | m94 | m94 | machine | {
"type": "seed",
"value": "M94"
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
commercial-code-v2-0077 | ZUZUZ XAZUZ BEZUZ TAZUZ TAZUZ PAZUZ GEZUZ XUZUZ ZUZUZ PAZUZ LAZUZ RAZUZ GAZUZ XAZUZ XUZUZ CEBAB ZUZUZ CAZUZ GAZUZ GAZUZ RAZUZ XUZUZ ZUZUZ DAZUZ BEZUZ ZAZUZ XUZUZ ZUZUZ WAZUZ BAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XAZUZ XUZUZ KABAB ZUZUZ ZAZUZ KAZUZ WAZUZ GAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ BAZUZ GEZUZ XAZUZ XUZUZ KOBAB ZUZUZ BAZUZ DE... | ZUZUZ XAZUZ BEZUZ TAZUZ TAZUZ PAZUZ GEZUZ XUZUZ ZUZUZ PAZUZ LAZUZ RAZUZ GAZUZ XAZUZ XUZUZ CEBAB ZUZUZ CAZUZ GAZUZ GAZUZ RAZUZ XUZUZ ZUZUZ DAZUZ BEZUZ ZAZUZ XUZUZ ZUZUZ WAZUZ BAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XAZUZ XUZUZ KABAB ZUZUZ ZAZUZ KAZUZ WAZUZ GAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ BAZUZ GEZUZ XAZUZ XUZUZ KOBAB ZUZUZ BAZUZ DE... | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 460 | 551 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0412 | COKTVSGATANE+KVHECNLUX+PPA+RNUCPLFHOSZVOIFDCIJSQGNUQ+PPAEVUBYKGMQLCCZSHWQOZ+FAAPU+ILZJVXFBAZDMAHCKNFRERPMEIWNDQSFWJIZYFPKCCXGSFRBJIJBCCDRQZVWFILLRCM+MQFIWJHZIQA | COKTVSGATANE+KVHECNLUX+PPA+RNUCPLFHOSZVOIFDCIJSQGNUQ+PPAEVUBYKGMQLCCZSHWQOZ+FAAPU+ILZJVXFBAZDMAHCKNFRERPMEIWNDQSFWJIZYFPKCCXGSFRBJIJBCCDRQZVWFILLRCM+MQFIWJHZIQA | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
cda-0011448 | TIGUE NRMMW MPOVD WUIOK COAPR DXUKQ EEONH JQAMG HTHEW OYMUP WRTFO QIJJZ IWRZZ RGIJY JXUOI LBDLU JHHJZ LKCSG QFHJT ZWLJV PQCQN TDHJT XLUJU TZTQA QZEL | TIGUE NRMMW MPOVD WUIOK COAPR DXUKQ EEONH JQAMG HTHEW OYMUP WRTFO QIJJZ IWRZZ RGIJY JXUOI LBDLU JHHJZ LKCSG QFHJT ZWLJV PQCQN TDHJT XLUJU TZTQA QZEL | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | trithemius | trithemius | null | {} | hard | en | 124 | 124 | synthetic_educational | null | null | [] | |
cda-0014578 | 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43 65 66 50 69 29 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11... | 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43 65 66 50 69 29 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION A STRONG CLAIM NEEDS STRONG EVIDENCE HONESTLY | wallis_cipher | wallis_cipher | null | {} | hard | en | 119 | 119 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
beaufort-v2-1020 | BWXBMZRNCNFIYTFMIPR | BWXBMZRNCNFIYTFMIPR | MISSION ACCOMPLISHED | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NEPTUNE"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
purple-v2-0090 | MKENIRVENNRDBDSUGWLMKWTFQSAXLDVIPQVIXMKETINKDDPHCLEAWHKWGQSHWIKRIWLTVDEQEUSK | MKENIRVENNRDBDSUGWLMKWTFQSAXLDVIPQVIXMKETINKDDPHCLEAWHKWGQSHWIKRIWLTVDEQEUSK | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0937 | NMBFPILPOCTN | NMBFPILPOCTN | THE DIE IS CAST | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0011907 | 60 17 48 3 82 66 96 61 22 70 87 23 35 59 63 94 22 58 86 3 49 68 23 50 91 48 53 91 49 81 27 98 93 57 98 27 57 63 82 60 25 33 34 70 60 88 22 30 66 67 3 82 58 41 63 58 33 43 23 34 79 22 50 80 15 76 86 96 23 64 24 48 46 45 58 68 17 22 21 76 40 40 32 15 59 25 92 91 94 33 60 34 59 68 94 22 40 49 32 43 87 66 63 88 23 3 27 64 ... | 60 17 48 3 82 66 96 61 22 70 87 23 35 59 63 94 22 58 86 3 49 68 23 50 91 48 53 91 49 81 27 98 93 57 98 27 57 63 82 60 25 33 34 70 60 88 22 30 66 67 3 82 58 41 63 58 33 43 23 34 79 22 50 80 15 76 86 96 23 64 24 48 46 45 58 68 17 22 21 76 40 40 32 15 59 25 92 91 94 33 60 34 59 68 94 22 40 49 32 43 87 66 63 88 23 3 27 64 ... | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | homophonic | homophonic | null | {} | hard | en | 148 | 148 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
caesar-v2-1207 | IWT HTRGTI DU VTIIXCV PWTPS XH VTIIXCV HIPGITS DCT HITE PI P IXBT VTIH NDJ KTGN UPG XCSTTS | IWT HTRGTI DU VTIIXCV PWTPS XH VTIIXCV HIPGITS DCT HITE PI P IXBT VTIH NDJ KTGN UPG XCSTTS | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | caesar | caesar | substitution | {
"type": "shift",
"value": 15
} | beginner | en | 73 | 90 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0366 | ROMEXASNOTBUILTINONEDAY | ROMEXASNOTBUILTINONEDAY | ROME WAS NOT BUILT IN ONE DAY | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0311 | QQDDUPUHOOTRGDFUUH | QQDDUPUHOOTRGDFUUH | TREASURE BURIED HERE | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
affine-v2-0498 | TLW BYPRCKWPTCF ZJUHFWK UB MUKKYPQMCTQUP QO TLCT UB JWZJURYMQPG CT UPW ZUQPT WQTLWJ WNCMTFS UJ CZZJUNQKCTWFS C KWOOCGW OWFWMTWR CT CPUTLWJ ZUQPT BJWEYWPTFS TLW KWOOCGWO LCDW KWCPQPG CPR JWBWJ TU ZLSOQMCF MUPMWZTO | TLW BYPRCKWPTCF ZJUHFWK UB MUKKYPQMCTQUP QO TLCT UB JWZJURYMQPG CT UPW ZUQPT WQTLWJ WNCMTFS UJ CZZJUNQKCTWFS C KWOOCGW OWFWMTWR CT CPUTLWJ ZUQPT BJWEYWPTFS TLW KWOOCGWO LCDW KWCPQPG CPR JWBWJ TU ZLSOQMCF MUPMWZTO | 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 | affine | affine | substitution | {
"a": 5,
"b": 2
} | beginner | en | 181 | 212 | cipher_museum | 2.0 | public | null | null |
kryha-v3-0100 | TRSTANETLTOZNVFAAMUADZMAXUNJNFRKRVWRVCKCGMDYNYMQSLFRLTGCCNCPLSXPPCROAAWHJHBFKQDLGFGEBPVAPGQOCHHATCWPPWSTPXGEYBRODAPOXOQERVXFYUIZFMOYFPPCGVPOYRTYQMINUSHXZKEDKHHS | TRSTANETLTOZNVFAAMUADZMAXUNJNFRKRVWRVCKCGMDYNYMQSLFRLTGCCNCPLSXPPCROAAWHJHBFKQDLGFGEBPVAPGQOCHHATCWPPWSTPXGEYBRODAPOXOQERVXFYUIZFMOYFPPCGVPOYRTYQMINUSHXZKEDKHHS | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
affine-v2-1577 | A QER JK EFF BHAROI BHPKUOH QHPAIB GHAQH IBPCROBHCRCBH YC AR CNCPS BPAEF ERJ BPAXUFEBAKR | A QER JK EFF BHAROI BHPKUOH QHPAIB GHAQH IBPCROBHCRCBH YC AR CNCPS BPAEF ERJ BPAXUFEBAKR | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | affine | affine | substitution | {
"a": 19,
"b": 4
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0785 | MJQBIKSI UOBKEP VBSQLOY | MJQBIKSI UOBKEP VBSQLOY | PATIENCE BRINGS VICTORY | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "JUSTICE"
} | beginner | en | 21 | 23 | cipher_museum | 2.0 | public | null | null |
rail-fence-la-040 | PRSEADSREAPRAATA | PRSEADSREAPRAATA | PER ASPERA AD ASTRA | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 2
} | intermediate | la | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0003593 | LEHRN FMECR RFYOR TARAL SRHER PLNRA LTPYO RTARH JEHXY XJXYL TAYUQ RNHSM URMAQ CRXXR NXLMO YPPRN RTXCR XXRNX QRPLJ NHGJM NRAYU QRNJH RHXVL WRIVL NOULC IEYJH HGJMN RHARN XMYTC I | LEHRN FMECR RFYOR TARAL SRHER PLNRA LTPYO RTARH JEHXY XJXYL TAYUQ RNHSM URMAQ CRXXR NXLMO YPPRN RTXCR XXRNX QRPLJ NHGJM NRAYU QRNJH RHXVL WRIVL NOULC IEYJH HGJMN RHARN XMYTC I | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES CERTAINLY | monoalphabetic | monoalphabetic | null | {
"alphabet": "MEAORPKQYDWCSTLUGNHXJFVZIB"
} | hard | en | 146 | 146 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
enigma-086 | MDNDWGQGYKJSITC | MDNDWGQGYKJSITC | FORWARD MARCH NOW | enigma | enigma | machine | {
"type": "rotor_start",
"value": "XYZ"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
hist-m94-wwii-001 | QKZWPVMNXBJYLDHURAFOTSGICE | QKZWPVMNXBJYLDHURAFOTSGICE | ATTACK AT DAWN COORDINATE GRID ALPHA | m94 | m94 | machine | {
"wheel_order": "standard M-94 key list 1",
"row_offset": 7
} | expert | en | 26 | 26 | cipher_museum | 0.2 | public | null | null |
cda-0009831 | GUR ENVY SRAPR PVCURE JEVGRF GRKG VA N MVTMNT CNGGREA PNRFNE FUVSGRQ GUR NYCUNORG OL GUERR CBFVGVBAF | GUR ENVY SRAPR PVCURE JEVGRF GRKG VA N MVTMNT CNGGREA PNRFNE FUVSGRQ GUR NYCUNORG OL GUERR CBFVGVBAF | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 84 | 84 | synthetic_educational | null | null | [] | |
chaocipher-v3-0450 | PIVFWTGTBRRXRQMEC | PIVFWTGTBRRXRQMEC | OLD IRONSIDES HOLDS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
affine-v2-0812 | P DYFJ YFO JILO ZFVAHN FOINAH RLX OLDN SVO LH UFA RN BPCN RN KPSNAOX FA BPCN RN GNLOI | P DYFJ YFO JILO ZFVAHN FOINAH RLX OLDN SVO LH UFA RN BPCN RN KPSNAOX FA BPCN RN GNLOI | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 67 | 85 | cipher_museum | 2.0 | public | null | null |
diana-v2-0240 | ZIEJUNSLLZURISPPGODRLFVELKSYZIAEEAUEKQIRPXBMQPEHEEVMCVXHKJXJBGYPYAZINIAHHJKHEBLACXPWOYMOVIEOEBCQIASUAKMSSLHRCVCTZPLYANUOOARXSXFPYCANTZWXYONDZLBKPASOXMVIPARLZLEW | ZIEJUNSLLZURISPPGODRLFVELKSYZIAEEAUEKQIRPXBMQPEHEEVMCVXHKJXJBGYPYAZINIAHHJKHEBLACXPWOYMOVIEOEBCQIASUAKMSSLHRCVCTZPLYANUOOARXSXFPYCANTZWXYONDZLBKPASOXMVIPARLZLEW | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
geez-monastic-178 | EDRGDRJGDRJRWBJRPRRUGBJIJAHYBJEDUGFBRCRJPRIBIBULLGBGDRVLBJPBWVBIWBJGDRRUJGDAFGDRLBJIFUHIGDRWKLLHRFFGDRJRBWGDREBJLIUHIGDRPGDUGIERLLGDRJRAH | EDRGDRJGDRJRWBJRPRRUGBJIJAHYBJEDUGFBRCRJPRIBIBULLGBGDRVLBJPBWVBIWBJGDRRUJGDAFGDRLBJIFUHIGDRWKLLHRFFGDRJRBWGDREBJLIUHIGDRPGDUGIERLLGDRJRAH | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
cda-0021182 | - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.-- / .- / ... -.-. -.-- - .- .-.. . / .. ... / .- / .-. --- -.. / ..- ... . -.. / -... -.-- / ... .--. .- .-. - .- -. ... / - --- / . -. -.-. .-. -.-- .--.... | - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.-- / .- / ... -.-. -.-- - .- .-.. . / .. ... / .- / .-. --- -.. / ..- ... . -.. / -... -.-- / ... .--. .- .-. - .- -. ... / - --- / . -. -.-. .-. -.-- .--.... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS CAREFULLY | morse_code | morse_code | null | {} | hard | en | 153 | 153 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0021496 | 5.46.8 9.5.15 14.29.3 9.15.10 15.4.13 17.21.2 9.13.5 7.35.10 16.44.9 2.30.11 16.48.8 1.34.1 11.19.1 6.3.13 9.47.14 20.42.12 16.47.9 8.39.1 7.38.15 13.4.6 10.35.1 1.10.3 13.34.5 5.45.8 17.48.15 17.2.13 15.27.7 20.15.1 3.5.2 10.42.12 12.49.8 5.21.12 17.20.6 6.41.9 11.24.5 7.22.1 13.48.1 6.42.9 5.8.9 4.4.2 16.22.5 16.30.5... | 5.46.8 9.5.15 14.29.3 9.15.10 15.4.13 17.21.2 9.13.5 7.35.10 16.44.9 2.30.11 16.48.8 1.34.1 11.19.1 6.3.13 9.47.14 20.42.12 16.47.9 8.39.1 7.38.15 13.4.6 10.35.1 1.10.3 13.34.5 5.45.8 17.48.15 17.2.13 15.27.7 20.15.1 3.5.2 10.42.12 12.49.8 5.21.12 17.20.6 6.41.9 11.24.5 7.22.1 13.48.1 6.42.9 5.8.9 4.4.2 16.22.5 16.30.5... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | book_cipher | book_cipher | null | {} | medium | en | 69 | 69 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
autokey-de-024 | VMGNEAUPIETDZYHMNYPWUICOHHYIV | VMGNEAUPIETDZYHMNYPWUICOHHYIV | DIE WAHRHEIT WIRD EUCH FREI MACHEN | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | de | 29 | 29 | cipher_museum | 0.2 | public | null | null |
polybius-014 | 11 31 31 24 43 31 34 43 44 42 15 44 42 15 11 44 | 11 31 31 24 43 31 34 43 44 42 15 44 42 15 11 44 | ALL IS LOST RETREAT | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 32 | 47 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0416 | PHVMMBFJAGIWXVYTNYQQYNAEWZCDJIEVBSVJFFIBMKDRVVBCEENVKMSEAIXYBMUACIPXHVZTYFCGRJDJFNGFRIVKQBKALCZOSEYEDVAGRCEJIMJVWLZEOHYAIUVVHZPIVJWTEQMVIWIJWGVEBGNDOYRLDVJEKIIHVZTYVCGXKVVIVAVJT | PHVMMBFJAGIWXVYTNYQQYNAEWZCDJIEVBSVJFFIBMKDRVVBCEENVKMSEAIXYBMUACIPXHVZTYFCGRJDJFNGFRIVKQBKALCZOSEYEDVAGRCEJIMJVWLZEOHYAIUVVHZPIVJWTEQMVIWIJWGVEBGNDOYRLDVJEKIIHVZTYVCGXKVVIVAVJT | THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 177 | 177 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0009 | 127 104 144 151 148 100 134 146 145 | 127 104 144 151 148 100 134 146 145 | RENDER UNTO CAESAR | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 27 | 35 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0082 | 108 100 111 133 173 100 134 143 143 166 100 167 127 102 177 165 158 152 138 108 178 163 130 167 106 145 178 124 104 178 165 120 174 179 127 163 169 167 105 130 163 166 109 141 152 100 172 100 163 161 123 166 138 172 128 167 166 154 175 128 154 100 136 111 138 181 174 | 108 100 111 133 173 100 134 143 143 166 100 167 127 102 177 165 158 152 138 108 178 163 130 167 106 145 178 124 104 178 165 120 174 179 127 163 169 167 105 130 163 166 109 141 152 100 172 100 163 161 123 166 138 172 128 167 166 154 175 128 154 100 136 111 138 181 174 | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 201 | 267 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0077 | 46 57 77 75 47 59 56 54 69 89 46 27 55 43 78 88 28 28 34 43 68 59 47 29 36 36 56 88 38 30 63 43 78 68 55 30 34 43 59 87 48 49 32 27 86 87 48 49 33 25 58 79 47 59 33 26 88 56 47 37 46 57 77 56 47 58 56 57 86 58 28 58 52 46 88 69 28 38 52 27 57 66 | 46 57 77 75 47 59 56 54 69 89 46 27 55 43 78 88 28 28 34 43 68 59 47 29 36 36 56 88 38 30 63 43 78 68 55 30 34 43 59 87 48 49 32 27 86 87 48 49 33 25 58 79 47 59 33 26 88 56 47 37 46 57 77 56 47 58 56 57 86 58 28 58 52 46 88 69 28 38 52 27 57 66 | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 164 | 245 | cipher_museum | 2.0 | public | null | null |
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