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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
trifid-036 | FVELSBQWIMNWAHAI+LRDDAQDWGIIYTXVSQEGGBBBQTLUVLAWAKS | FVELSBQWIMNWAHAI+LRDDAQDWGIIYTXVSQEGGBBBQTLUVLAWAKS | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FELIX"
} | advanced | en | 51 | 51 | cipher_museum | 0.2 | public | null | null |
geez-monastic-v2-0215 | IJTRZRESVIOSCHOIIOZAAZAAESZITNXTTSTHEGZRTIJMZAXSPOLTFTBRWYFZSPEAMZHAESVJZQESIEQT | IJTRZRESVIOSCHOIIOZAAZAAESZITNXTTSTHEGZRTIJMZAXSPOLTFTBRWYFZSPEAMZHAESVJZQESIEQT | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0245 | 60 08 09 19 20 15 18 25 62 03 18 25 16 20 15 12 15 07 25 09 19 01 02 01 20 20 12 05 62 23 09 20 19 02 05 20 23 05 05 14 20 08 15 19 05 23 08 15 13 01 11 05 03 15 04 05 19 61 20 08 15 19 05 23 08 15 02 18 05 01 11 20 08 05 13 06 15 18 05 22 05 18 25 19 25 19 20 05 13 04 05 22 09 19 05 04 02 25 01 03 21 14 14 09 14 07 05... | 60 08 09 19 20 15 18 25 62 03 18 25 16 20 15 12 15 07 25 09 19 01 02 01 20 20 12 05 62 23 09 20 19 02 05 20 23 05 05 14 20 08 15 19 05 23 08 15 13 01 11 05 03 15 04 05 19 61 20 08 15 19 05 23 08 15 02 18 05 01 11 20 08 05 13 06 15 18 05 22 05 18 25 19 25 19 20 05 13 04 05 22 09 19 05 04 02 25 01 03 21 14 14 09 14 07 05... | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 336 | 503 | cipher_museum | 2.0 | public | null | null |
cda-0002116 | CDBI AARG OEFR HUAT YOPT EOOP ICOS EHTN HIFP LECH UESE HSYE UESN AILH AARC RNLN ADTT DARL EREC TSLE IEMR SPEY WEHO LNOC ADHH PPAA IUOT NTKE IAOT RNNR WVTU ERFB SODD KCIE HRMX TEIG SCIE NREE IXET TRPA NTDI ASSX | CDBI AARG OEFR HUAT YOPT EOOP ICOS EHTN HIFP LECH UESE HSYE UESN AILH AARC RNLN ADTT DARL EREC TSLE IEMR SPEY WEHO LNOC ADHH PPAA IUOT NTKE IAOT RNNR WVTU ERFB SODD KCIE HRMX TEIG SCIE NREE IXET TRPA NTDI ASSX | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | scytale | scytale | null | {
"cols": 12
} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
alberti-disk-v2-0994 | RBBTJVOJFOZUPKGMMVEMAMAUIXUFXBUAYPDYTAZUXKSZPPBCTNWSMLOLVVRNQDWRUYHUPBAILSOYZSMZTSYWIMDCDXRRALZHREOFKGOKCTPRVLXLQFSODHGTWPXNSYAAFZVPNBVDYKYPCARCDZJZMBA | RBBTJVOJFOZUPKGMMVEMAMAUIXUFXBUAYPDYTAZUXKSZPPBCTNWSMLOLVVRNQDWRUYHUPBAILSOYZSMZTSYWIMDCDXRRALZHREOFKGOKCTPRVLXLQFSODHGTWPXNSYAAFZVPNBVDYKYPCARCDZJZMBA | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
two-square-160 | SUDGORNOTTOBETHAEMSTKAQUSBEMQGVIETKARTHBNOFIRPLGSMTILGDX | SUDGORNOTTOBETHAEMSTKAQUSBEMQGVIETKARTHBNOFIRPLGSMTILGDX | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | two_square | two_square | polygraphic | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
great-cipher-v2-0342 | 182 152 111 127 164 140 143 171 142 117 175 142 121 170 121 139 129 122 158 126 118 119 158 131 115 152 122 152 133 125 149 122 152 167 175 115 152 142 170 130 163 140 117 126 118 169 111 101 148 138 139 149 122 109 149 149 119 174 | 182 152 111 127 164 140 143 171 142 117 175 142 121 170 121 139 129 122 158 126 118 119 158 131 115 152 122 152 133 125 149 122 152 167 175 115 152 142 170 130 163 140 117 126 118 169 111 101 148 138 139 149 122 109 149 149 119 174 | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 174 | 231 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0779 | FIA DAMPE PUHQDSQP UZ M KQXXAI IAAP MZP EADDK U OAGXP ZAF FDMHQX NAFT MZP NQ AZQ FDMHQXQD | FIA DAMPE PUHQDSQP UZ M KQXXAI IAAP MZP EADDK U OAGXP ZAF FDMHQX NAFT MZP NQ AZQ FDMHQXQD | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | caesar | caesar | substitution | {
"type": "shift",
"value": 12
} | beginner | en | 72 | 89 | cipher_museum | 2.0 | public | null | null |
cda-0017559 | .... ... . ..... . ... .... ..... .... .. .. .... .... .... ..... .... . ... ... . . . .. .... ... .. .... ... .... ... .. ... ... .... .... ..... ... . . .... . .. . ..... .... .... . ..... .... ... .... .... . ..... . .... .... ..... ... ... . .... . ..... .... .. .... ... . ... ...... | .... ... . ..... . ... .... ..... .... .. .. .... .... .... ..... .... . ... ... . . . .. .... ... .. .... ... .... ... .. ... ... .... .... ..... ... . . .... . .. . ..... .... .... . ..... .... ... .... .... . ..... . .... .... ..... ... ... . .... . ..... .... .. .... ... . ... ...... | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PERHAPS | tap_code | tap_code | null | {} | hard | en | 102 | 102 | 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. |
geheimschreiber-v2-0030 | BMAQYHNJPSNFJWARZIL | BMAQYHNJPSNFJWARZIL | WISDOM GUARDS THE GATE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
autokey-111 | MVDDPVNTSEDTRCIZSCRERWOEPIGNCEUSMPSXMQMVZSGRHFTQPTBPAWAFYGEH | MVDDPVNTSEDTRCIZSCRERWOEPIGNCEUSMPSXMQMVZSGRHFTQPTBPAWAFYGEH | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
m209-v2-0131 | BDJFRLEEAFDPBXN | BDJFRLEEAFDPBXN | CAVALRY ADVANCES | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0018678 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a19⟩ ⟨w10⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w14⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a19⟩ ⟨w10⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w14⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | babington | babington | null | {} | hard | en | 101 | 101 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
cda-0018456 | 12 42 45 44 15 21 34 42 13 15 52 34 42 25 43 34 33 31 54 52 23 15 33 44 23 15 25 15 54 43 35 11 13 15 24 43 43 32 11 31 31 44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12... | 12 42 45 44 15 21 34 42 13 15 52 34 42 25 43 34 33 31 54 52 23 15 33 44 23 15 25 15 54 43 35 11 13 15 24 43 43 32 11 31 31 44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | polybius | polybius | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
vic-v3-0195 | 91889287815843549286893591 | 91889287815843549286893591 | SOUND THE TRUMPETS | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0427 | UDKHRHHKYDGIECDXGUCYKFREGUQLDEFRNPABHLUGYIDOBOGBKYKTUDRBMLBOKOAIQLGUGIRX | UDKHRHHKYDGIECDXGUCYKFREGUQLDEFRNPABHLUGYIDOBOGBKYKTUDRBMLBOKOAIQLGUGIRX | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0387 | GPUBUYBSYIENADVUYXUQPKALOGFUGYLCNIGSUMANWVOPDUGIXPAOHDOMZETUCULHAVOAJLPANA | GPUBUYBSYIENADVUYXUQPKALOGFUGYLCNIGSUMANWVOPDUGIXPAOHDOMZETUCULHAVOAJLPANA | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0017962 | TRMC LBPK SJFQ DYJT VBXU DJOL PFUW IGRH LROA EQEK JAVG QPCL PIGW RJQJ POGU QQLO UKXY YHSI MCGM MEEF NBSN PIMB YWWJ SDLY ZMZP JJUQ UYDE PTEY UWOC CERC IFDH LPIA FDBD QDKX T | TRMC LBPK SJFQ DYJT VBXU DJOL PFUW IGRH LROA EQEK JAVG QPCL PIGW RJQJ POGU QQLO UKXY YHSI MCGM MEEF NBSN PIMB YWWJ SDLY ZMZP JJUQ UYDE PTEY UWOC CERC IFDH LPIA FDBD QDKX T | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | vernam | vernam | null | {} | hard | en | 137 | 137 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
hill-291 | FHAQTIZYQGTDAQJHNNJEMPBBGYRKHPQSMHAMSCVCFOFJBBAUNADUGUMPNUFJ | FHAQTIZYQGTDAQJHNNJEMPBBGYRKHPQSMHAMSCVCFOFJBBAUNADUGUMPNUFJ | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | hill | hill | polygraphic | {
"a": 7,
"b": 5,
"c": 2,
"d": 3
} | advanced | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
columnar-transposition-v2-0419 | LLILHHAHTOFEROAETTYDLLISDAETTTNOVATTRGEOTDAGSONUH | LLILHHAHTOFEROAETTYDLLISDAETTTNOVATTRGEOTDAGSONUH | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 49 | 49 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-007 | 90 52 49 84 10 19 91 90 50 64 78 26 89 31 69 91 90 41 84 23 91 | 90 52 49 84 10 19 91 90 50 64 78 26 89 31 69 91 90 41 84 23 91 | ABORT MISSION NOW | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "WALLIS"
} | expert | en | 42 | 62 | cipher_museum | 0.2 | public | null | null |
geez-monastic-v3-0134 | IZDZIEOSMEIJOXIFTCFTATSIZIEOS | IZDZIEOSMEIJOXIFTCFTATSIZIEOS | TAXATION WITHOUT REPRESENTATION | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0372 | XDXFAAGAGGFADGGDXAXDXFDAFDDGXDXDAAXDXVXGXGXFXFAVGGXFVFVDVGGDAAADAADDFAXDVDDAXAFGXDDDXAXFAAFGGDXDAGADAADXDDGXDVDFGDADDDFADAGAAXAADFDVDAADFDDVDFDDDFFXAADGDFAADXAFGAFDFAGXDFAXFFADVDGVFVDFDVFAGAGXAVDFDDFVDAGDFXDGAAAVFVAAAAFXAXGXAADGGXGDVXFXADGXAAAADXFAAXDDAXAVDAAFVDDDAAFAFDAAGFAGADXAAAXAAGDFAAAAFAGFAGDDVADDDDFDGGAADAXFAAXA... | XDXFAAGAGGFADGGDXAXDXFDAFDDGXDXDAAXDXVXGXGXFXFAVGGXFVFVDVGGDAAADAADDFAXDVDDAXAFGXDDDXAXFAAFGGDXDAGADAADXDDGXDVDFGDADDDFADAGAAXAADFDVDAADFDDVDFDDDFFXAADGDFAADXAFGAFDFAGXDFAXFFADVDGVFVDFDVFAGAGXAVDFDDFVDAGDFXDGAAAVFVAAAAFXAXGXAADGGXGDVXFXADGXAAAADXFAAXDDAXAVDAAFVDDDAAFAFDAAGFAGADXAAAXAAGDFAAAAFAGFAGDDVADDDDFDGGAADAXFAAXA... | 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 | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 362 | 362 | cipher_museum | 2.0 | public | null | null |
two-square-141 | HRCKAQYGFHINGASB | HRCKAQYGFHINGASB | LOCK DOWN ALL GATES | two_square | two_square | polygraphic | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v2-0379 | OALHLMMAUCSL | OALHLMMAUCSL | THE DIE IS CAST | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0012743 | first among incur local could lines order scout extra delay issue swift along parts opens stage track until radio exact needs opens turns along scout | first among incur local could lines order scout extra delay issue swift along parts opens stage track until radio exact needs opens turns along scout | FAIL CLOSED IS A POSTURE NOT A SLOGAN | 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. |
jn25-v2-0146 | 09993 09912 09908 09906 09999 09991 09908 09997 09903 09902 09904 09903 09997 09902 09908 09991 09996 09999 09902 09995 09993 09992 | 09993 09912 09908 09906 09999 09991 09908 09997 09903 09902 09904 09903 09997 09902 09908 09991 09996 09999 09902 09995 09993 09992 | EXTRACTION POINT CHANGED | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 110 | 131 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0137 | HOFUSHOQEIWFSR | HOFUSHOQEIWFSR | TARGET ACQUIRED | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
enigma-v2-1107 | DBWOLCJHTNANBUADZRBPQJLXMWFXJCGHHDISJZUQUCOAUQPYCVHFCTQHXOJMJGZESXLABSZGH | DBWOLCJHTNANBUADZRBPQJLXMWFXJCGHHDISJZUQUCOAUQPYCVHFCTQHXOJMJGZESXLABSZGH | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
kryha-v3-0231 | YIEDFEXKCJKRL | YIEDFEXKCJKRL | FULL SAIL AHEAD | kryha | kryha | machine | {
"type": "keyword",
"value": "PRAGUE"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
adfgvx-177 | DAAAAAAAAAAFAAAFFFDDAAAFDAFAAGADAADFFFAAAADAVGDADFAAAADDGFDADADADAAAADDFGDDFADFDAAFFAAAAFAAGDGADDAAAGFAAXAVGGVDGDFDXDDVDGVGFDVVXVDVDDVXXGADXXXXXDGXVAGVXFFXGVGVFFXVDDXDVGXXGXXAXFVFGDVXDXDDVDDDVVVVFFVFVGDDAFGADXXDXAADDXVVVGVADXVDGAXGVAXGDDVDFXDGXVVFAXVVDXVFVFDFDAAFADADDAADAAAADFAAAAAAAFADDAAAADGDADAAFDDAAAFAFAG | DAAAAAAAAAAFAAAFFFDDAAAFDAFAAGADAADFFFAAAADAVGDADFAAAADDGFDADADADAAAADDFGDDFADFDAAFFAAAAFAAGDGADDAAAGFAAXAVGGVDGDFDXDDVDGVGFDVVXVDVDDVXXGADXXXXXDGXVAGVXFFXGVGVFFXVDDXDVGXXGXXAXFVFGDVXDXDDVDDDVVVVFFVFVGDDAFGADXXDXAADDXVVVGVADXVDGAXGVAXGDDVDFXDGXVVFAXVVDXVFVFDFDAAFADADDAADAAAADFAAAAAAAFADDAAAADGDADAAFDDAAAFAFAG | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | adfgvx | adfgvx | fractionation | {
"polybius": "SECRET",
"columnar": "AGENTS"
} | advanced | en | 310 | 310 | cipher_museum | 0.2 | public | null | null |
bifid-v3-0489 | QXTADCPIFIHPHRENDN | QXTADCPIFIHPHRENDN | LOWER THE DRAWBRIDGE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0005220 | VXMNA WNWLA HYCRX WRBWX CKAXT NWKHU NCCNA OANZD NWLH | VXMNA WNWLA HYCRX WRBWX CKAXT NWKHU NCCNA OANZD NWLH | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | gronsfeld | gronsfeld | null | {
"key": "99999"
} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
columnar-transposition-v2-0322 | UENOBTBPJOHDQHNMEAEFSBCRTERHSHOAAYEHVETDTTLTMBRORERIOUAUVAOTAVERNSLSEMO | UENOBTBPJOHDQHNMEAEFSBCRTERHSHOAAYEHVETDTTLTMBRORERIOUAUVAOTAVERNSLSEMO | 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": "BATTLE"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0010901 | VPTHVTAPXETVBZXWJHOCHEHYYXLEUCITIJXWVOOEHWKSM | VPTHVTAPXETVBZXWJHOCHEHYYXLEUCITIJXWVOOEHWKSM | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER HONESTLY | autokey | autokey | null | {
"primer": "CIPHER"
} | medium | en | 45 | 45 | synthetic_educational | null | null | [] | |
cda-0007484 | H SZHVMTHZGVS SOOQ MFOAQU MFOW ESM ZGHMOVEVB TGGZ ZGPEGW HVU ZGTZOUAREXEQESK JHSSGZ EV ZGMGHZRF | H SZHVMTHZGVS SOOQ MFOAQU MFOW ESM ZGHMOVEVB TGGZ ZGPEGW HVU ZGTZOUAREXEQESK JHSSGZ EV ZGMGHZRF | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | monoalphabetic | monoalphabetic | null | {
"alphabet": "HXRUGDBFENIQJVOTYZMSAPWLKC"
} | hard | en | 82 | 82 | synthetic_educational | null | null | [] | |
cda-0014352 | THANZ IELIN DZEHG AHWOL LACHE ETKIN DIBEH YAZZI EMAED ZEHTS AHMOA SIDZE HMOAS ITKIN CLAGI AIHLI NDZEH GAHGL OEIHG AHTKI NTHAN ZIEDZ EHDIB EHTHA NZIED ZEHAL ANASD ZOHTH ANZIE TKINT SAHWO LLACH EEBES HDOTL IZTKI NAHJA HBESH DOTLI ZWOLL ACHEE AHJAH CLAGI AIHWO LLACH EETHA NZIE | THANZ IELIN DZEHG AHWOL LACHE ETKIN DIBEH YAZZI EMAED ZEHTS AHMOA SIDZE HMOAS ITKIN CLAGI AIHLI NDZEH GAHGL OEIHG AHTKI NTHAN ZIEDZ EHDIB EHTHA NZIED ZEHAL ANASD ZOHTH ANZIE TKINT SAHWO LLACH EEBES HDOTL IZTKI NAHJA HBESH DOTLI ZWOLL ACHEE AHJAH CLAGI AIHWO LLACH EETHA NZIE | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | navajo_code | navajo_code | null | {} | hard | en | 229 | 229 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
cda-0013387 | TUEF ZBBO GGRP TYEG TIBI FDDB UIKV DQVV ABVR IZEI PAPB MBXJ EYF | TUEF ZBBO GGRP TYEG TIBI FDDB UIKV DQVV ABVR IZEI PAPB MBXJ EYF | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | running_key | running_key | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0019676 | 60 17 33 68 34 49 91 94 48 40 93 32 11 21 66 63 94 23 3 82 64 79 82 15 87 22 11 60 17 22 2 30 63 94 82 67 23 68 67 41 76 99 23 63 26 11 59 25 93 72 99 22 2 35 17 96 22 60 60 23 3 94 93 11 68 76 3 66 87 27 39 21 59 63 88 33 34 11 1 3 33 91 23 2 35 88 48 58 43 81 26 60 63 58 26 91 33 35 25 59 76 15 63 72 30 92 67 59 14 4... | 60 17 33 68 34 49 91 94 48 40 93 32 11 21 66 63 94 23 3 82 64 79 82 15 87 22 11 60 17 22 2 30 63 94 82 67 23 68 67 41 76 99 23 63 26 11 59 25 93 72 99 22 2 35 17 96 22 60 60 23 3 94 93 11 68 76 3 66 87 27 39 21 59 63 88 33 34 11 1 3 33 91 23 2 35 88 48 58 43 81 26 60 63 58 26 91 33 35 25 59 76 15 63 72 30 92 67 59 14 4... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | homophonic | homophonic | null | {} | hard | en | 153 | 153 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
pigpen-v2-0043 | ┴ ┐• ┼ ╲• ┐ ╳ ▽ ┐ ╲ ╳ ┬ ┼ ╲ ┤• ╱ ¬• ┤• ┤ ╳• ┐ ╳ ⌐ ┼• ├ ╳ ┼ ├ ┐ ┤• ╱ ╲ ┼• ┼ ╲ ╲ ╳ ┬ ┼ ┤• ╱ ╳ ╳• ⌐ ┐• ├ ┤ ¬• ┤• ╱ ┐• ┐ ╲ ┬ ┼ ╲ | ┴ ┐• ┼ ╲• ┐ ╳ ▽ ┐ ╲ ╳ ┬ ┼ ╲ ┤• ╱ ¬• ┤• ┤ ╳• ┐ ╳ ⌐ ┼• ├ ╳ ┼ ├ ┐ ┤• ╱ ╲ ┼• ┼ ╲ ╲ ╳ ┬ ┼ ┤• ╱ ╳ ╳• ⌐ ┐• ├ ┤ ¬• ┤• ╱ ┐• ┐ ╲ ┬ ┼ ╲ | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 70 | 124 | cipher_museum | 2.0 | public | null | null |
cda-0004249 | CU BNIKUF KLROFZ DRWMQHU H MQQGHS NXPJUQRP AP MDEO MMWVLS KDTLGCONF | CU BNIKUF KLROFZ DRWMQHU H MQQGHS NXPJUQRP AP MDEO MMWVLS KDTLGCONF | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER CAREFULLY | gronsfeld | gronsfeld | null | {
"key": "27183"
} | medium | en | 57 | 57 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
cda-0009806 | SFEX VNZF KUKT YFGW ELDW VZPB QSEE WQHJ XZKA EEUA MPJS SLBZ JZMC ETDB VJBL ZBSY SGVT QCHA UWAQ | SFEX VNZF KUKT YFGW ELDW VZPB QSEE WQHJ XZKA EEUA MPJS SLBZ JZMC ETDB VJBL ZBSY SGVT QCHA UWAQ | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY ATBASH ENCODES BY REVERSING THE ALPHABET | trithemius | trithemius | null | {} | medium | en | 76 | 76 | synthetic_educational | null | null | [] | |
cda-0015900 | 6.29.12 15.8.4 16.12.1 18.4.10 4.48.3 8.25.15 4.37.11 11.25.6 5.23.2 20.25.9 15.12.11 19.39.13 12.28.4 10.6.1 19.32.9 12.39.7 8.49.9 18.18.6 10.24.2 3.10.10 8.48.6 6.45.5 18.9.1 17.9.10 20.38.7 17.31.5 6.20.2 10.39.15 19.36.2 2.21.14 16.50.8 13.4.3 10.49.7 13.39.4 10.29.5 17.50.12 2.7.15 1.32.10 5.23.11 10.22.2 16.32.9... | 6.29.12 15.8.4 16.12.1 18.4.10 4.48.3 8.25.15 4.37.11 11.25.6 5.23.2 20.25.9 15.12.11 19.39.13 12.28.4 10.6.1 19.32.9 12.39.7 8.49.9 18.18.6 10.24.2 3.10.10 8.48.6 6.45.5 18.9.1 17.9.10 20.38.7 17.31.5 6.20.2 10.39.15 19.36.2 2.21.14 16.50.8 13.4.3 10.49.7 13.39.4 10.29.5 17.50.12 2.7.15 1.32.10 5.23.11 10.22.2 16.32.9... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | book_cipher | book_cipher | null | {} | hard | en | 195 | 195 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0014327 | 1 12 1 14 20 21 18 9 14 7 2 18 15 11 5 5 14 9 7 13 1 23 9 20 8 3 18 9 2 19 1 14 4 20 8 5 2 15 13 2 5 13 1 3 8 9 14 5 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 | 1 12 1 14 20 21 18 9 14 7 2 18 15 11 5 5 14 9 7 13 1 23 9 20 8 3 18 9 2 19 1 14 4 20 8 5 2 15 13 2 5 13 1 3 8 9 14 5 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 93 | 93 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0008389 | L PKRNZJLRXEH YKXX JKMXNI QUDE JFT RXRIDLDVV | L PKRNZJLRXEH YKXX JKMXNI QUDE JFT RXRIDLDVV | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | beaufort | beaufort | null | {
"key": "LIBRARY"
} | medium | en | 38 | 38 | synthetic_educational | null | null | [] | |
hill-043 | AVIKGCKCCJEICZHNJODVSCXKEZHIHWROZYFZMIEZHIXWXKQT | AVIKGCKCCJEICZHNJODVSCXKEZHIHWROZYFZMIEZHIXWXKQT | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
kryha-v2-0334 | ETIBLGBUOSLDYNZBEUVNARGYXIKYRDMFRDVZITGRUBBRSGFBVZXMUPKMASPJPBXDYETZSOJWGYERSLCPM | ETIBLGBUOSLDYNZBEUVNARGYXIKYRDMFRDVZITGRUBBRSGFBVZXMUPKMASPJPBXDYETZSOJWGYERSLCPM | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | kryha | kryha | machine | {
"type": "keyword",
"value": "PRAGUE"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0079 | 51 57 14 24 82 22 66 44 35 21 72 73 14 88 30 66 51 73 41 22 25 16 30 52 39 57 79 88 32 87 45 16 14 43 22 23 57 73 72 71 75 16 51 69 66 14 44 13 41 57 82 16 71 73 88 21 75 57 82 22 14 21 72 16 30 52 53 88 44 57 51 34 13 66 82 71 25 22 75 | 51 57 14 24 82 22 66 44 35 21 72 73 14 88 30 66 51 73 41 22 25 16 30 52 39 57 79 88 32 87 45 16 14 43 22 23 57 73 72 71 75 16 51 69 66 14 44 13 41 57 82 16 71 73 88 21 75 57 82 22 14 21 72 16 30 52 53 88 44 57 51 34 13 66 82 71 25 22 75 | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 158 | 236 | cipher_museum | 2.0 | public | null | null |
cda-0009115 | TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU VKI WGPT OOYOR QXFYWK QMEQCR TFZW MS G GQPJLS COIJVJG | TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU VKI WGPT OOYOR QXFYWK QMEQCR TFZW MS G GQPJLS COIJVJG | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | trithemius | trithemius | null | {} | hard | en | 98 | 98 | synthetic_educational | null | null | [] | |
cardano-autokey-v3-0388 | RDHTWRSWABIGFTNBTMMNGHUGIVGALADVZPAKFCODNQBCXEZGWLPAGKJVUYAFKTLDGIFQTFVZZV | RDHTWRSWABIGFTNBTMMNGHUGIVGALADVZPAKFCODNQBCXEZGWLPAGKJVUYAFKTLDGIFQTFVZZV | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
typex-v2-0205 | VRDIYRLHZASQURUDGZUMGPEUEYYVUOLOLIXTROYEFSWTNDTQZUVMTYGNFLBARMHJYXYLLTVWVAKZYKR | VRDIYRLHZASQURUDGZUMGPEUEYYVUOLOLIXTROYEFSWTNDTQZUVMTYGNFLBARMHJYXYLLTVWVAKZYKR | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0002508 | TFCEASITEEUUIEIESSSUNXSETANCIEIDESIRELMNOISXNNULECFDNTEONTGWLCRINXTOAONRRECYOHPEUPSHADESORDDDEFEEEAOUNECUSLHDXEOYWNBICATHOIIUVDLTLCXSLOEUTIMSSCBTNCRTXEEDU | TFCEASITEEUUIEIESSSUNXSETANCIEIDESIRELMNOISXNNULECFDNTEONTGWLCRINXTOAONRRECYOHPEUPSHADESORDDDEFEEEAOUNECUSLHDXEOYWNBICATHOIIUVDLTLCXSLOEUTIMSSCBTNCRTXEEDU | THE MESSAGE WAS HIDDEN BUT NOT SECURE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE INDEX OF COINCIDENCE IS A USEFUL CLUE | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "FREEDOM"
} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
slidex-v3-0104 | VHEVCYXVCEMURHXLVOLGUGVPYCITKBQABICYIHGVXIUGYHMVKBQABICYRWLLLRJQIAKIBIEMTSFJVPMHUKXHPQRPAMBIIPUQCYYPMPCOOSWROVFRANAMUPJKBFCYRURUWRUKXUMPMUFJOSCYMLVOQQNJESQALKFQAXVHEXJPQEEDIQCYWE | VHEVCYXVCEMURHXLVOLGUGVPYCITKBQABICYIHGVXIUGYHMVKBQABICYRWLLLRJQIAKIBIEMTSFJVPMHUKXHPQRPAMBIIPUQCYYPMPCOOSWROVFRANAMUPJKBFCYRURUWRUKXUMPMUFJOSCYMLVOQQNJESQALKFQAXVHEXJPQEEDIQCYWE | 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 | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 178 | 178 | cipher_museum | 2.0 | public | null | null |
cda-0021037 | AIII NQOK EEDY RCHE OLQO KEDY DALS HEDY OKSH YDAR ALAI IINY PCHO LCHE DYOT AIIN QOKE DYSH EOLD ARAL CHED ALSH EOLO TAII NKAI IINR CHEO LCHO RSHE DYCH EDAL DAIN YCHO LDAI INQO KEED YYPC HOLS HEOL DAL | AIII NQOK EEDY RCHE OLQO KEDY DALS HEDY OKSH YDAR ALAI IINY PCHO LCHE DYOT AIIN QOKE DYSH EOLD ARAL CHED ALSH EOLO TAII NKAI IINR CHEO LCHO RSHE DYCH EDAL DAIN YCHO LDAI INQO KEED YYPC HOLS HEOL DAL | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | voynich_render | voynich_render | null | {} | hard | en | 159 | 159 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
monoalphabetic-v2-0271 | ALKTDAT CDS ROOK JDGO | ALKTDAT CDS ROOK JDGO | CONTACT HAS BEEN MADE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "DRAGON"
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0151 | MLNONWANBUMSTD | MLNONWANBUMSTD | TRUST BUT VERIFY | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0006570 | N SDLHQ ANE AQNVVWYM TNXXHREV GZX WX ANE NQVD GH BRDEF | N SDLHQ ANE AQNVVWYM TNXXHREV GZX WX ANE NQVD GH BRDEF | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | monoalphabetic | monoalphabetic | null | {
"alphabet": "NGALHYFIWKPQSEDTORVXZJBUMC"
} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
cda-0020333 | Γ ┘· X· ¬ └ L K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ⌐ ┐· ┐· └ Γ· L X r ┘· └ X· ┌ ─ ⌐ ┌· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K ⌒ Γ· r L ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ·... | Γ ┘· X· ¬ └ L K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ⌐ ┐· ┐· └ Γ· L X r ┘· └ X· ┌ ─ ⌐ ┌· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K ⌒ Γ· r L ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ·... | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN PERHAPS | pigpen | pigpen | null | {} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0014598 | 14.4.1 15.5.8 20.5.7 7.6.7 17.6.5 18.3.8 16.5.9 16.3.5 17.1.4 8.1.1 9.3.10 11.1.8 2.2.3 10.6.5 5.5.7 18.1.8 10.4.2 20.5.8 17.5.1 14.2.10 20.6.3 20.2.9 3.5.6 3.4.4 4.5.7 1.1.2 8.5.9 14.2.6 17.5.3 7.5.10 17.1.5 15.6.7 10.1.5 18.5.7 15.4.5 2.5.6 11.4.6 17.4.1 20.3.8 7.3.10 16.3.7 9.2.6 19.5.6 8.5.2 9.4.4 20.3.2 18.4.7 3.5... | 14.4.1 15.5.8 20.5.7 7.6.7 17.6.5 18.3.8 16.5.9 16.3.5 17.1.4 8.1.1 9.3.10 11.1.8 2.2.3 10.6.5 5.5.7 18.1.8 10.4.2 20.5.8 17.5.1 14.2.10 20.6.3 20.2.9 3.5.6 3.4.4 4.5.7 1.1.2 8.5.9 14.2.6 17.5.3 7.5.10 17.1.5 15.6.7 10.1.5 18.5.7 15.4.5 2.5.6 11.4.6 17.4.1 20.3.8 7.3.10 16.3.7 9.2.6 19.5.6 8.5.2 9.4.4 20.3.2 18.4.7 3.5... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | arnold_andre | arnold_andre | null | {} | medium | en | 78 | 78 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
m94-v2-0254 | ICGYGFCECKZCZOLWTRJQQOLAGPTYPLVILTYICFLVZDALLQM | ICGYGFCECKZCZOLWTRJQQOLAGPTYPLVILTYICFLVZDALLQM | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 47 | 47 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0300 | CSGPRLBIHGMCBYSNRQDMTAREJZWDOEIQJCBKVCPQLFFJFRMWUEWMFNVFWASFAXSSGVQBJDYHHUEQVYZGYBSXPNFUDUUCAVWQQQFEAUFASGKCRBIVOMYRSBCJIFCQZWMIRJINSDQEOKJIUVPVHNAKAZXEMXTZNTNFLTLSXUF | CSGPRLBIHGMCBYSNRQDMTAREJZWDOEIQJCBKVCPQLFFJFRMWUEWMFNVFWASFAXSSGVQBJDYHHUEQVYZGYBSXPNFUDUUCAVWQQQFEAUFASGKCRBIVOMYRSBCJIFCQZWMIRJINSDQEOKJIUVPVHNAKAZXEMXTZNTNFLTLSXUF | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 8
} | expert | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
cda-0015343 | 6 18 9 5 4 13 1 14 5 19 20 9 13 1 20 5 4 11 5 25 12 5 14 7 20 8 6 18 15 13 19 20 1 20 9 19 20 9 3 19 20 8 5 1 18 3 8 9 20 5 3 20 21 18 5 19 8 15 21 12 4 13 1 11 5 13 9 19 21 19 5 8 1 18 4 5 18 16 15 12 25 2 9 21 19 5 14 3 15 4 5 4 12 5 20 20 5 18 19 1 19 16 1 9 18 19 15 6 14 21 13 2 5 18 19 6 18 15 13 15 14 5 20 15 6 9... | 6 18 9 5 4 13 1 14 5 19 20 9 13 1 20 5 4 11 5 25 12 5 14 7 20 8 6 18 15 13 19 20 1 20 9 19 20 9 3 19 20 8 5 1 18 3 8 9 20 5 3 20 21 18 5 19 8 15 21 12 4 13 1 11 5 13 9 19 21 19 5 8 1 18 4 5 18 16 15 12 25 2 9 21 19 5 14 3 15 4 5 4 12 5 20 20 5 18 19 1 19 16 1 9 18 19 15 6 14 21 13 2 5 18 19 6 18 15 13 15 14 5 20 15 6 9... | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 128 | 128 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
polybius-de-022 | 14 15 42 25 42 24 15 22 24 43 44 11 31 31 15 42 14 24 33 22 15 51 11 44 15 42 | 14 15 42 25 42 24 15 22 24 43 44 11 31 31 15 42 14 24 33 22 15 51 11 44 15 42 | DER KRIEG IST ALLER DINGE VATER | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | de | 52 | 77 | cipher_museum | 0.2 | public | null | null |
affine-v2-0892 | LZWDEM DMIRZYKMD CR DCSP | LZWDEM DMIRZYKMD CR DCSP | BRIDGE DESTROYED AT DAWN | affine | affine | substitution | {
"a": 9,
"b": 2
} | beginner | en | 21 | 24 | cipher_museum | 2.0 | public | null | null |
stager-route-340 | WIEALURLNBGESHEDNREEWATHAOCEVNDESHNLLTEHRERSASHF | WIEALURLNBGESHEDNREEWATHAOCEVNDESHNLLTEHRERSASHF | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | stager_route | stager_route | transposition | {
"type": "integer",
"value": 8
} | expert | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
bazeries-169 | ILRPLYRLKILRCRYDRNCRQSOYRQYKLDYCVYCRDRPLKQYHIKDPYCRKDJT | ILRPLYRLKILRCRYDRNCRQSOYRQYKLDYCVYCRDRPLKQYHIKDPYCRKDJT | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | bazeries | bazeries | transposition | {
"type": "integer",
"value": 99
} | advanced | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
adfgvx-v3-0089 | XVXDFFADDGDGADFADDVDAADDFFXVFAFGFAGGFDAADDGVDGDGADGGADFADGAGVVFVDDVFDGDDGXFVGGDGXADAAAFAAFAGFDADAGDAFDAFADFFAFGFVDFDFDAAGADDAFAFFDFGFGAADGAFAVXVGGDVDDVVFGDGFGXFGVDVVA | XVXDFFADDGDGADFADDVDAADDFFXVFAFGFAGGFDAADDGVDGDGADGGADFADGAGVVFVDDVFDGDDGXFVGGDGXADAAAFAAFAGFDADAGDAFDAFADFFAFGFVDFDFDAAGADDAFAFFDFGFGAADGAFAVXVGGDVDDVVFGDGFGXFGVDVVA | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 166 | 166 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0274 | NORTAURERHQKFIDSMHHRMQLF | NORTAURERHQKFIDSMHHRMQLF | NORTH STAR HOLDS FIRM COURSE | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0212 | CYVOGNEYOMMFLRFTXRTY | CYVOGNEYOMMFLRFTXRTY | THE LEGIONS STAND READY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0212 | 5563 4614 4427 4871 4427 4550 4680 5060 4998 5488 5488 5563 4154 4998 4361 5397 4427 4154 4361 5963 | 5563 4614 4427 4871 4427 4550 4680 5060 4998 5488 5488 5563 4154 4998 4361 5397 4427 4154 4361 5963 | THE LEGIONS STAND READY | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 80 | 99 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0874 | FFSQSOMBFRBNTNBHBNPIPTLASJTMPLTHIUYIVBAAPATETSOFHBTESAPPBSTABQKHSPHSBAPISLTPNHPTALBAAPNTMIIAUPHBBTAUILSFHQOHTOSTLSFSVNTFFTVBMPQIHOMLFQSM | FFSQSOMBFRBNTNBHBNPIPTLASJTMPLTHIUYIVBAAPATETSOFHBTESAPPBSTABQKHSPHSBAPISLTPNHPTALBAAPNTMIIAUPHBBTAUILSFHQOHTOSTLSFSVNTFFTVBMPQIHOMLFQSM | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0036 | VCKBTABVLQBEMMFZZY | VCKBTABVLQBEMMFZZY | GRAVITY EXPLAINS ALL | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0231 | 237228283182812522121 | 237228283182812522121 | FULL SAIL AHEAD | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0156 | 90 41 85 91 90 81 25 15 91 90 82 85 91 90 11 63 66 45 30 76 91 90 54 81 15 25 91 90 45 44 18 15 91 90 82 85 25 33 91 90 66 84 11 58 45 91 90 85 77 41 91 90 47 82 63 91 90 53 44 25 79 30 33 91 90 12 72 55 81 91 90 18 66 41 91 90 20 47 37 76 91 90 18 15 91 90 75 77 85 40 63 91 90 25 61 91 90 33 47 89 91 90 55 18 11 76 91... | 90 41 85 91 90 81 25 15 91 90 82 85 91 90 11 63 66 45 30 76 91 90 54 81 15 25 91 90 45 44 18 15 91 90 82 85 25 33 91 90 66 84 11 58 45 91 90 85 77 41 91 90 47 82 63 91 90 53 44 25 79 30 33 91 90 12 72 55 81 91 90 18 66 41 91 90 20 47 37 76 91 90 18 15 91 90 75 77 85 40 63 91 90 25 61 91 90 33 47 89 91 90 55 18 11 76 91... | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 226 | 338 | cipher_museum | 2.0 | public | null | null |
purple-v3-0099 | FLPBUDVSYQUPZFUBQFCKDWTBHSUXQJZEGPISZVWSWABRRZHZIZCFKNZLMBDYJVWBWNUCNROHCSRMZLVJGMIDNVHSWLXLKOYRHSGTEFSFJQQRXKIKMXXEAWWCNOLXTHPNHBDDHQDBEBBCCZTGHUWCTEDWWBGSCBSQWNQWJDOTIQ | FLPBUDVSYQUPZFUBQFCKDWTBHSUXQJZEGPISZVWSWABRRZHZIZCFKNZLMBDYJVWBWNUCNROHCSRMZLVJGMIDNVHSWLXLKOYRHSGTEFSFJQQRXKIKMXXEAWWCNOLXTHPNHBDDHQDBEBBCCZTGHUWCTEDWWBGSCBSQWNQWJDOTIQ | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 170 | 170 | cipher_museum | 2.0 | public | null | null |
m209-v2-0433 | CMRCNZRRMLXZMQKXNXXPWBJKMLZPAZMMEIEQRPQDMMPFBPHMKXPIMYKXYJEMVQLXZYEKNVNOGZM | CMRCNZRRMLXZMQKXNXXPWBJKMLZPAZMMEIEQRPQDMMPFBPHMKXPIMYKXYJEMVQLXZYEKNVNOGZM | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0010184 | ANYSNROPTNCNOSGSSTRIMENCCEDVIUWERNSTOEHROABPCMOLAULNIEATIPCELIBOAESOEXNBNBNSTEAIOOPCRCGSTTADESTIOHASHRNSPRTHTOLCEFXXIFEEBIOTRHITOEALIBTESLCIRCESCRRTRTEAEUTSECODXXEROVEUTRNRIAESEITWANFA | ANYSNROPTNCNOSGSSTRIMENCCEDVIUWERNSTOEHROABPCMOLAULNIEATIPCELIBOAESOEXNBNBNSTEAIOOPCRCGSTTADESTIOHASHRNSPRTHTOLCEFXXIFEEBIOTRHITOEALIBTESLCIRCESCRRTRTEAEUTSECODXXEROVEUTRNRIAESEITWANFA | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | stager_route | stager_route | null | {
"cols": 8
} | hard | en | 184 | 184 | synthetic_educational | null | null | [] | |
fialka-v2-0406 | YXHEYZSAJSNLSWJJK | YXHEYZSAJSNLSWJJK | COURAGE IN DARKNESS | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0007479 | NTG DLXGY RI ORDLODXGLOG DA M PAGIPK OKPG NTG JMDK IGLOG ODHTGJ BJDNGA NGYN DL M ZDUZMU HMNNGJL M QRXGK OML OKMAADIF HMNNGJLA SPN DN OML MKAR SG BJRLU NTG KDSJMJF HJGAGJVGA WLRBKGXUG IRJ NTG ORQQPLDNF | NTG DLXGY RI ORDLODXGLOG DA M PAGIPK OKPG NTG JMDK IGLOG ODHTGJ BJDNGA NGYN DL M ZDUZMU HMNNGJL M QRXGK OML OKMAADIF HMNNGJLA SPN DN OML MKAR SG BJRLU NTG KDSJMJF HJGAGJVGA WLRBKGXUG IRJ NTG ORQQPLDNF | THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | monoalphabetic | monoalphabetic | null | {
"alphabet": "MSOXGIUTDEWKQLRHCJANPVBYFZ"
} | hard | en | 165 | 165 | synthetic_educational | null | null | [] | |
copiale-v3-0250 | A7 L0 V0 E1 E6 B8 U9 G2 L0 A6 | A7 L0 V0 E1 E6 B8 U9 G2 L0 A6 | DOT DASH DOT | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 20 | 29 | cipher_museum | 2.0 | public | null | null |
voynich-render-v3-0090 | gcd akqgceou noqoeib xcijx gcog yiffkxkirx kr coxc szrygkirx iyyzq soq xiirdq gcor dbndygde | gcd akqgceou noqoeib xcijx gcog yiffkxkirx kr coxc szrygkirx iyyzq soq xiirdq gcor dbndygde | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 78 | 91 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0094 | QALOKNYFTXCIVTHIMBPJUMUYAVXZWTCYVVKMFIXWXNFRAKSCTZBALZNCCRAWKEKNHICEVBCEJXHESYLJWDDA | QALOKNYFTXCIVTHIMBPJUMUYAVXZWTCYVVKMFIXWXNFRAKSCTZBALZNCCRAWKEKNHICEVBCEJXHESYLJWDDA | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-028 | HEJDAHEPWFLSGCE | HEJDAHEPWFLSGCE | EVACUATE THE BASE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
polybius-013 | 15 33 15 32 54 21 34 42 13 15 43 33 15 11 42 | 15 33 15 32 54 21 34 42 13 15 43 33 15 11 42 | ENEMY FORCES NEAR | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 30 | 44 | cipher_museum | 0.2 | public | null | null |
one-time-pad-v2-0087 | AMCQXZXPVPKYPTCGTFFPYGYEKZNCWLPYZOMKYXNRHDQKLTWFPECFESODRJTPOVKNUCVTHDSVBDJB | AMCQXZXPVPKYPTCGTFFPYGYEKZNCWLPYZOMKYXNRHDQKLTWFPECFESODRJTPOVKNUCVTHDSVBDJB | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0014748 | 2542 6670 04138 00341 04444 5715 01582 00321 1326 0317 0727 03808 1669 04737 6608 06289 5050 6679 6288 05990 2610 4771 06613 03771 1291 6047 02577 4800 7252 00331 3806 03776 5749 01640 00323 5995 04786 04421 2918 4477 2240 06029 06320 01594 5046 05995 00382 5971 06341 05676 04796 04466 2204 0979 3847 0404 2914 04115 04... | 2542 6670 04138 00341 04444 5715 01582 00321 1326 0317 0727 03808 1669 04737 6608 06289 5050 6679 6288 05990 2610 4771 06613 03771 1291 6047 02577 4800 7252 00331 3806 03776 5749 01640 00323 5995 04786 04421 2918 4477 2240 06029 06320 01594 5046 05995 00382 5971 06341 05676 04796 04466 2204 0979 3847 0404 2914 04115 04... | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A STRONG CLAIM NEEDS STRONG EVIDENCE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | zimmermann | zimmermann | null | {} | hard | en | 167 | 167 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
adfgvx-v3-0471 | AAAGGADFFADFAGDGADAAADDGFAGVVDFVVGDVFDFVXDFDGFGFADGVADAFAAFAFFADFGGDFAFDAFAAGFDGVXDDFFDDXFVFVGVVAGDDVVGFFDFVXFVGFGVVGDFDGFDFFDXFDGDFGDGFAAAAAAFAFAAADFAAAAAA | AAAGGADFFADFAGDGADAAADDGFAGVVDFVVGDVFDFVXDFDGFGFADGVADAFAAFAFFADFGGDFAFDAFAAGFDGVXDDFFDDXFVFVGVVAGDDVVGFFDFVXFVGFGVVGDFDGFDFFDXFDGDFGDGFAAAAAAFAFAAADFAAAAAA | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 156 | 156 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1819 | TIUSAUUHIBBQGUOZZAUCPTJCLDTUWVZMMIHIGWGMIAHOKIGGAAFCMQIOXNILUCAAVMUEIPLFDYD | TIUSAUUHIBBQGUOZZAUCPTJCLDTUWVZMMIHIGWGMIAHOKIGGAAFCMQIOXNILUCAAVMUEIPLFDYD | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0075 | LAJMJDYOJBLUAPVVPIZPBQJPLXYMULVYDALUNTTHMLJICRPMLYVVJMRHBLAJJPULJMBXVPBELHIPR | LAJMJDYOJBLUAPVVPIZPBQJPLXYMULVYDALUNTTHMLJICRPMLYVVJMRHBLAJJPULJMBXVPBELHIPR | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0518 | QAR HLJALQQLJ MOKDRBQ IOKSYAQ QKYRQARO QAR YORLQRPQ PBCRJQCTCB HCJEP KT QAR QVRJQCRQA BRJQSOX CJ L OLBR QK ISCGE QAR LQKHCB IKHI IRTKOR JLZC YROHLJX BKSGE EK PK QAR RTTKOQ BALJYRE QAR VKOGE TKORURO | QAR HLJALQQLJ MOKDRBQ IOKSYAQ QKYRQARO QAR YORLQRPQ PBCRJQCTCB HCJEP KT QAR QVRJQCRQA BRJQSOX CJ L OLBR QK ISCGE QAR LQKHCB IKHI IRTKOR JLZC YROHLJX BKSGE EK PK QAR RTTKOQ BALJYRE QAR VKOGE TKORURO | 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 | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | beginner | en | 165 | 197 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0048 | 90 37 81 60 52 91 90 76 56 91 90 33 24 61 40 87 54 60 91 90 43 42 76 56 91 90 86 54 81 63 24 91 90 87 22 89 91 90 34 56 26 54 53 91 90 40 28 85 82 91 90 23 42 45 91 90 52 89 34 39 91 90 14 63 56 48 33 43 54 60 46 91 90 28 91 90 55 61 42 49 22 23 10 91 90 33 91 90 13 89 25 52 21 91 90 24 81 28 60 91 90 87 59 42 49 55 91... | 90 37 81 60 52 91 90 76 56 91 90 33 24 61 40 87 54 60 91 90 43 42 76 56 91 90 86 54 81 63 24 91 90 87 22 89 91 90 34 56 26 54 53 91 90 40 28 85 82 91 90 23 42 45 91 90 52 89 34 39 91 90 14 63 56 48 33 43 54 60 46 91 90 28 91 90 55 61 42 49 22 23 10 91 90 33 91 90 13 89 25 52 21 91 90 24 81 28 60 91 90 87 59 42 49 55 91... | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 258 | 386 | cipher_museum | 2.0 | public | null | null |
m209-v3-0323 | CIZOBNWFXNEKVDQUAQF | CIZOBNWFXNEKVDQUAQF | AVE MARIA GRATIA PLENA | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0084 | FNFWJAMGPWKXIO7TUM5DFMKWPDLNEA6O7SRDHNNAPHZIZDMIZIYHMQ4CFUTEJEDSWP4IHARAEY5OTXILPSQ | FNFWJAMGPWKXIO7TUM5DFMKWPDLNEA6O7SRDHNNAPHZIZDMIZIYHMQ4CFUTEJEDSWP4IHARAEY5OTXILPSQ | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0093 | KJAHVILAJUJLMNLAULHCJUJVXJZYIJBLLAPLPVVOJBPMJQMJPLJIJWNPVLAPLLAJRPMJJBIHKJICRLAJYMQMJPLHMKYLAQJMLPYBNBPVYJBPCVJMYDALULAPLPOHBDLAJUJPMJVYXJVYCJMLRPBILAJTNMUNYLHXAPTTYBJUU | KJAHVILAJUJLMNLAULHCJUJVXJZYIJBLLAPLPVVOJBPMJQMJPLJIJWNPVLAPLLAJRPMJJBIHKJICRLAJYMQMJPLHMKYLAQJMLPYBNBPVYJBPCVJMYDALULAPLPOHBDLAJUJPMJVYXJVYCJMLRPBILAJTNMUNYLHXAPTTYBJUU | 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 | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
m209-v2-0225 | DSAFUCALDWLJZIDBYLELMICUARSAJKCRJXKYKMMBAURJRAVIWRYURBXMTKNXNJNLEQLPRBRDQ | DSAFUCALDWLJZIDBYLELMICUARSAJKCRJXKYKMMBAURJRAVIWRYURBXMTKNXNJNLEQLPRBRDQ | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0363 | MMUMVZOWLWXCGKHNAXSLYKUBVZRXFLMNMMWYXMYPAXYOIMMOYPXLYLQSUMYQEGMOLFXLCZFDMMPWMNUNIBWVDYMNELXJNOFZFDHFUNCVJVRBMNRYPEVTOSIVUEZPRXSOZECFBIKRSARZNMZGHCCP | MMUMVZOWLWXCGKHNAXSLYKUBVZRXFLMNMMWYXMYPAXYOIMMOYPXLYLQSUMYQEGMOLFXLCZFDMMPWMNUNIBWVDYMNELXJNOFZFDHFUNCVJVRBMNRYPEVTOSIVUEZPRXSOZECFBIKRSARZNMZGHCCP | 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 | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0081 | 90 55 61 56 91 90 76 42 60 54 91 90 59 49 63 33 56 82 91 90 21 54 56 14 91 90 28 34 91 90 10 23 54 91 156 90 81 22 56 85 37 86 91 90 50 87 24 43 54 82 91 90 26 33 55 81 52 91 90 24 56 48 53 54 10 43 91 90 55 89 91 90 10 61 56 91 90 42 55 23 54 63 91 90 24 28 21 56 91 90 31 89 53 91 90 46 54 87 63 43 91 | 90 55 61 56 91 90 76 42 60 54 91 90 59 49 63 33 56 82 91 90 21 54 56 14 91 90 28 34 91 90 10 23 54 91 156 90 81 22 56 85 37 86 91 90 50 87 24 43 54 82 91 90 26 33 55 81 52 91 90 24 56 48 53 54 10 43 91 90 55 89 91 90 10 61 56 91 90 42 55 23 54 63 91 90 24 28 21 56 91 90 31 89 53 91 90 46 54 87 63 43 91 | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 203 | 303 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0460 | CBYCOJNZIETXAQAEK | CBYCOJNZIETXAQAEK | THE RAILWAY ARRIVES | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
trithemius-v3-0069 | DBTZMS UIANBGQQ HWQK KIYXEBQ DVPNYI YNYWDQS ZNHJHRD LYGAZRHOO QYIW BHAC CAMAG DV XWHFJCFA SING | DBTZMS UIANBGQQ HWQK KIYXEBQ DVPNYI YNYWDQS ZNHJHRD LYGAZRHOO QYIW BHAC CAMAG DV XWHFJCFA SING | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 81 | 94 | cipher_museum | 2.0 | public | null | null |
polybius-it-009 | 51 24 33 13 15 42 15 15 51 24 33 13 15 42 15 32 34 | 51 24 33 13 15 42 15 15 51 24 33 13 15 42 15 32 34 | VINCERE E VINCEREMO | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | it | 34 | 50 | cipher_museum | 0.2 | public | null | null |
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