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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
fialka-v3-0311 | CHNUAGGJNAGTONFYBGETYSRBQDCGESFKZLULAVNJIEHNCFPMPKRUQNWXDFLCKDXZIUPIZSPFGFFTTXHRZWGXOBVFVRHGKJWMEEPJNGCMEVUQAPUGBZULVHEHKIHMHKTVKHYDCCGGOUIVMVPREVIYJBCWDJDOPKKJDCZVWFHQWLJKVUSLHHIDIM | CHNUAGGJNAGTONFYBGETYSRBQDCGESFKZLULAVNJIEHNCFPMPKRUQNWXDFLCKDXZIUPIZSPFGFFTTXHRZWGXOBVFVRHGKJWMEEPJNGCMEVUQAPUGBZULVHEHKIHMHKTVKHYDCCGGOUIVMVPREVIYJBCWDJDOPKKJDCZVWFHQWLJKVUSLHHIDIM | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-068 | JVZOSDGABBWB | JVZOSDGABBWB | HOLD POSITION | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0011074 | HMTKCTHWCFOXRV VRHWOAZ YZO UYTXRHTO CTHWCFOX ZWRSXZ VCOZCA ZWRSXOJ XWO CTHWCFOX FK XWAOO HMZRXRMEZ C UMJOT VCE VTCZZRSK HCXXOAEZ FYX RX VCE CTZM FO BAMEQ | HMTKCTHWCFOXRV VRHWOAZ YZO UYTXRHTO CTHWCFOX ZWRSXZ VCOZCA ZWRSXOJ XWO CTHWCFOX FK XWAOO HMZRXRMEZ C UMJOT VCE VTCZZRSK HCXXOAEZ FYX RX VCE CTZM FO BAMEQ | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | monoalphabetic | monoalphabetic | null | {
"alphabet": "CFVJOSQWRDPTUEMHNAZXYGBLKI"
} | hard | en | 130 | 130 | synthetic_educational | null | null | [] | |
cda-0018000 | other place enemy north south order under range could enemy track opens order light scout among lower lines opens where incur notes drive early point | other place enemy north south order under range could enemy track opens order light scout among lower lines opens where incur notes drive early point | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE VIGENERE CIPHER USES A REPEATING KEYWORD A STRONG CLAIM NEEDS STRONG EVIDENCE | 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. |
cda-0018640 | 821 825 834 834 999 807 826 847 821 814 853 999 860 856 814 855 999 835 825 839 813 802 851 999 802 835 818 812 803 853 801 999 858 843 999 814 840 806 853 873 845 858 999 805 834 844 806 830 856 999 843 816 999 833 813 859 859 814 851 856 999 842 847 813 839 999 855 842 862 851 808 814 999 859 844 842 835 855 999 800 ... | 821 825 834 834 999 807 826 847 821 814 853 999 860 856 814 855 999 835 825 839 813 802 851 999 802 835 818 812 803 853 801 999 858 843 999 814 840 806 853 873 845 858 999 805 834 844 806 830 856 999 843 816 999 833 813 859 859 814 851 856 999 842 847 813 839 999 855 842 862 851 808 814 999 859 844 842 835 855 999 800 ... | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | culper_ring | culper_ring | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0003867 | NZBQR YPNAP YNFFV SLCNG GREAF OHGVG PNANY FBORJ EBATG URNHG BXRLP VCURE RKGRA QFGUR XRLJV GUGUR CYNVA GRKGV GFRYS UVFGB EVPNY PVCUR EFNER GRNPU REFAB GCEBG RPGVB A | NZBQR YPNAP YNFFV SLCNG GREAF OHGVG PNANY FBORJ EBATG URNHG BXRLP VCURE RKGRA QFGUR XRLJV GUGUR CYNVA GRKGV GFRYS UVFGB EVPNY PVCUR EFNER GRNPU REFAB GCEBG RPGVB A | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
adfgx-v3-0071 | AFDXXXXXFFGDGXGGXXXDFDADXXDGDAAAFDGAFGGAGFDAAFGADAAFXXDXXFGGDAXGXDDGAGDDXFGFFFAAGDADGXAFAGAGAGAAAGDAAAGGAGAGFFGADADFDADDAAFAGAAADFFFDGFDDXXFXAXDXDXDFXFFXFDG | AFDXXXXXFFGDGXGGXXXDFDADXXDGDAAAFDGAFGGAGFDAAFGADAAFXXDXXFGGDAXGXDDGAGDDXFGFFFAAGDADGXAFAGAGAGAAAGDAAAGGAGAGFFGADADFDADDAAFAGAAADFFFDGFDDXXFXAXDXDXDFXFFXFDG | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 156 | 156 | cipher_museum | 2.0 | public | null | null |
porta-292 | NLHSYWSYXBCPFUEPGIOZIJCPYGYFZTKDKYISDKTMPUJSZCXNGQNCQNJOUT | NLHSYWSYXBCPFUEPGIOZIJCPYGYFZTKDKYISDKTMPUJSZCXNGQNCQNJOUT | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
cda-0003412 | NGONFU RAPBQRF OL ERIREFVAT GUR NYCUNORG N FPLGNYR VF N EBQ HFRQ OL FCNEGNAF GB RAPELCG ZRFFNTRF GJB FDHNER PVCURE RAPELCGF QVTENCUF JVGU GJB CBYLOVHF NYCUNORGF GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF | NGONFU RAPBQRF OL ERIREFVAT GUR NYCUNORG N FPLGNYR VF N EBQ HFRQ OL FCNEGNAF GB RAPELCG ZRFFNTRF GJB FDHNER PVCURE RAPELCGF QVTENCUF JVGU GJB CBYLOVHF NYCUNORGF GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF | ATBASH ENCODES BY REVERSING THE ALPHABET A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 180 | 180 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
autokey-v3-0466 | RHERJGKQAZGOKOAZLMAJIFPGRZBEAGQFYWFRJQFZGOKGAGUMDAEWGVJIWSXFYSWYKXDV | RHERJGKQAZGOKOAZLMAJIFPGRZBEAGQFYWFRJQFZGOKGAGUMDAEWGVJIWSXFYSWYKXDV | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0082 | 71 32 51 52 82 22 44 75 44 41 57 25 53 45 16 27 88 30 65 25 57 35 21 22 75 36 88 13 14 66 51 79 16 30 22 44 73 57 62 53 72 75 43 23 88 51 14 32 87 82 22 25 66 52 72 65 30 32 21 56 82 65 41 66 80 72 73 66 51 79 14 43 88 15 21 22 88 22 78 88 82 71 72 44 22 | 71 32 51 52 82 22 44 75 44 41 57 25 53 45 16 27 88 30 65 25 57 35 21 22 75 36 88 13 14 66 51 79 16 30 22 44 73 57 62 53 72 75 43 23 88 51 14 32 87 82 22 25 66 52 72 65 30 32 21 56 82 65 41 66 80 72 73 66 51 79 14 43 88 15 21 22 88 22 78 88 82 71 72 44 22 | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 170 | 254 | cipher_museum | 2.0 | public | null | null |
enigma-356 | XBLGWYOYAUJVMUDVXTACFNZZOCNYHBBLWGKZDSMVESBHHBXXUBIVBBJRLILDYNXUUPMTILQOBFQWXSXKCPNVCYQQUJVVVXVKVWJECXSZQRUQUNMVVPPWZTEGNPEMURUHYDVMLEHIKXXBCUIRZQZVM | XBLGWYOYAUJVMUDVXTACFNZZOCNYHBBLWGKZDSMVESBHHBXXUBIVBBJRLILDYNXUUPMTILQOBFQWXSXKCPNVCYQQUJVVVXVKVWJECXSZQRUQUNMVVPPWZTEGNPEMURUHYDVMLEHIKXXBCUIRZQZVM | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DOG"
} | expert | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-094 | KBPWSLALFFWLHTYBUQWABPWSLALAKFJLHTYBUQW | KBPWSLALFFWLHTYBUQWABPWSLALAKFJLHTYBUQW | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 39 | 39 | cipher_museum | 0.2 | public | null | null |
polybius-v2-0110 | 21 34 42 24 11 32 35 15 42 43 45 11 14 15 14 44 23 11 44 33 15 24 44 23 15 42 14 15 11 44 23 33 34 42 31 24 21 15 33 34 42 11 33 22 15 31 43 33 34 42 35 42 24 33 13 24 35 11 31 24 44 24 15 43 33 34 42 35 34 52 15 42 43 33 34 42 44 23 24 33 22 43 35 42 15 43 15 33 44 33 34 42 44 23 24 33 22 43 44 34 13 34 32 15 33 34 42... | 21 34 42 24 11 32 35 15 42 43 45 11 14 15 14 44 23 11 44 33 15 24 44 23 15 42 14 15 11 44 23 33 34 42 31 24 21 15 33 34 42 11 33 22 15 31 43 33 34 42 35 42 24 33 13 24 35 11 31 24 44 24 15 43 33 34 42 35 34 52 15 42 43 33 34 42 44 23 24 33 22 43 35 42 15 43 15 33 44 33 34 42 44 23 24 33 22 43 44 34 13 34 32 15 33 34 42... | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 358 | 536 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0492 | RFUFDBGFBMRCELCEMEDU | RFUFDBGFBMRCELCEMEDU | THE KING DEMANDS FEALTY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0014010 | 22 42 34 33 43 21 15 31 14 45 43 15 43 11 14 24 22 24 44 43 15 41 45 15 33 13 15 11 43 44 23 15 42 15 35 15 11 44 24 33 22 25 15 54 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22... | 22 42 34 33 43 21 15 31 14 45 43 15 43 11 14 24 22 24 44 43 15 41 45 15 33 13 15 11 43 44 23 15 42 15 35 15 11 44 24 33 22 25 15 54 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | polybius | polybius | null | {} | hard | en | 164 | 164 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
cda-0009922 | PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA GUR YVOENEL CERFREIRF XABJYRQTR SBE GUR PBZZHAVGL | PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA GUR YVOENEL CERFREIRF XABJYRQTR SBE GUR PBZZHAVGL | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 129 | 129 | synthetic_educational | null | null | [] | |
solitaire-v2-0309 | RVTARFBMPNHERPZVTOUFMNWFLBUHFLQINXEYIBQXAZHUAGGLAJHELUIOPKQDJMSTOBBNLHJ | RVTARFBMPNHERPZVTOUFMNWFLBUHFLQINXEYIBQXAZHUAGGLAJHELUIOPKQDJMSTOBBNLHJ | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0305 | ZSGQOAGOCZIMHQYNNIOACITARWPBVWLSZVZCGPFMLYDVLGARAEOIYHBPWWSYXFZCBMSRNGBPEQWAGGKEAKILHYIDAGOUXIIMTCJHTHAWPUZSTZTXMZTBWJQTQKHANNTARWPJQELOEQIHVMRBYQLADGAZWMZMPGH | ZSGQOAGOCZIMHQYNNIOACITARWPBVWLSZVZCGPFMLYDVLGARAEOIYHBPWWSYXFZCBMSRNGBPEQWAGGKEAKILHYIDAGOUXIIMTCJHTHAWPUZSTZTXMZTBWJQTQKHANNTARWPJQELOEQIHVMRBYQLADGAZWMZMPGH | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 8
} | expert | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
commercial-code-054 | BABAB ZUZUZ GAZUZ RAZUZ GAZUZ QAZUZ GEZUZ XUZUZ ZUZUZ NAZUZ RAZUZ SAZUZ DEZUZ XAZUZ XUZUZ BABAB ZUZUZ XAZUZ GEZUZ XAZUZ ZAZUZ GAZUZ QAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ XAZUZ LAZUZ JAZUZ RAZUZ XUZUZ VIBAB ZUZUZ DAZUZ LAZUZ TAZUZ KAZUZ GAZUZ WAZUZ XUZUZ ZUZUZ BAZUZ DAZUZ DAZUZ SAZUZ WAZUZ FAZUZ LAZUZ RAZUZ JAZUZ PAZUZ GEZUZ XU... | BABAB ZUZUZ GAZUZ RAZUZ GAZUZ QAZUZ GEZUZ XUZUZ ZUZUZ NAZUZ RAZUZ SAZUZ DEZUZ XAZUZ XUZUZ BABAB ZUZUZ XAZUZ GEZUZ XAZUZ ZAZUZ GAZUZ QAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ XAZUZ LAZUZ JAZUZ RAZUZ XUZUZ VIBAB ZUZUZ DAZUZ LAZUZ TAZUZ KAZUZ GAZUZ WAZUZ XUZUZ ZUZUZ BAZUZ DAZUZ DAZUZ SAZUZ WAZUZ FAZUZ LAZUZ RAZUZ JAZUZ PAZUZ GEZUZ XU... | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 340 | 407 | cipher_museum | 0.2 | public | null | null |
purple-v3-0175 | HCRDJZRCERXTEUDYAWUWBBMIZVYSIDJKBFOVEFLEJRHPWQKWDQVHXDKHATQEGTSMHADPZDZLSJN | HCRDJZRCERXTEUDYAWUWBBMIZVYSIDJKBFOVEFLEJRHPWQKWDQVHXDKHATQEGTSMHADPZDZLSJN | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0252 | VZTJKFWVZOBWYHZCO | VZTJKFWVZOBWYHZCO | THE RAILWAY ARRIVES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0004 | UGELCHIONSSTCKFQEAGW | UGELCHIONSSTCKFQEAGW | THE LEGIONS STAND READY | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0012129 | 802 999 857 851 801 840 854 846 802 852 814 840 857 999 857 844 842 834 999 854 821 842 861 835 810 999 856 823 843 867 999 824 859 855 999 853 814 801 854 844 840 825 841 820 999 846 844 834 874 803 824 862 856 999 813 840 808 843 811 813 811 999 833 814 857 859 813 851 855 999 802 856 999 846 800 826 852 856 999 842 ... | 802 999 857 851 801 840 854 846 802 852 814 840 857 999 857 844 842 834 999 854 821 842 861 835 810 999 856 823 843 867 999 824 859 855 999 853 814 801 854 844 840 825 841 820 999 846 844 834 874 803 824 862 856 999 813 840 808 843 811 813 811 999 833 814 857 859 813 851 855 999 802 856 999 846 800 826 852 856 999 842 ... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | culper_ring | culper_ring | null | {} | hard | en | 174 | 174 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
fractionated-morse-v3-0309 | BGMLSLSLMUWYUWLAESGMTEUKBLQQUGGYKNKGLUKGMLSLPVBABMLSRVMGFVMEUGJQGYGGBFYTLVYMDPQBAKTGDUMQGEYQYAAVMMTGBIYYUAPBAKEUKJPGHQYMIPWTMAKGMLQWAIQGEYMAYUALVNPBMLSIYMDQBJPGTRYHQBYBTGDWLYVMGDYAPAKIYHQBTGAPC | BGMLSLSLMUWYUWLAESGMTEUKBLQQUGGYKNKGLUKGMLSLPVBABMLSRVMGFVMEUGJQGYGGBFYTLVYMDPQBAKTGDUMQGEYQYAAVMMTGBIYYUAPBAKEUKJPGHQYMIPWTMAKGMLQWAIQGEYMAYUALVNPBMLSIYMDQBJPGTRYHQBYBTGDWLYVMGDYAPAKIYHQBTGAPC | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 193 | 193 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0545 | ETNTLTHTTEUNGERVHLSTDYFDSLAHILATOTOORTHOAAIGALDEO | ETNTLTHTTEUNGERVHLSTDYFDSLAHILATOTOORTHOAAIGALDEO | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 49 | 49 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0708 | JIHMLTMHIFSATEFFTAIPNMHSLTULIYSVSPBJVFSGBLHQTMTFHIMTLJHTMTGPIPHOSYHSLQCNXL | JIHMLTMHIFSATEFFTAIPNMHSLTULIYSVSPBJVFSGBLHQTMTFHIMTLJHTMTGPIPHOSYHSLQCNXL | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0018756 | OTAIN QOKEE DYOTA INSHE DYSHA IINSH AIINS HAIIN OKEDY CHOLQ OTEDY QOTED YYPCH OLDAL | OTAIN QOKEE DYOTA INSHE DYSHA IINSH AIINS HAIIN OKEDY CHOLQ OTEDY QOTED YYPCH OLDAL | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | voynich_render | voynich_render | null | {} | medium | en | 70 | 70 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
venona-pad-reuse-v3-0220 | GVQWW2HW | GVQWW2HW | DEUS VULT | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0133 | 09907 09997 09995 09902 09999 09900 09994 09997 09906 09993 09907 09900 09997 09908 | 09907 09997 09995 09902 09999 09900 09994 09997 09906 09993 09907 09900 09997 09908 | SIGNAL FIRES LIT | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 70 | 83 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0888 | WCSDPVBKSETOBGATSGCBIXUOXGVJYTHZQWPSWVADTMFVBQCHGWHKHAQUVOOFQGFFZZATSKFXJUTWXA | WCSDPVBKSETOBGATSGCBIXUOXGVJYTHZQWPSWVADTMFVBQCHGWHKHAQUVOOFQGFFZZATSKFXJUTWXA | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-179 | IQSJGDCRZRLCQRFSAWYAXCZDSYVJPVNMBFXHIBQRMNLWZECUWEQREHTYCSFZWEBMCBCEGZUGPGACBKTHRQOLWMJLNOXDUYNRWYVUCYNLNLSUIPPMTFKEFEMUWYYBJIXJUJXHUQYQUVCWHUBIWPWJ | IQSJGDCRZRLCQRFSAWYAXCZDSYVJPVNMBFXHIBQRMNLWZECUWEQREHTYCSFZWEBMCBCEGZUGPGACBKTHRQOLWMJLNOXDUYNRWYVUCYNLNLSUIPPMTFKEFEMUWYYBJIXJUJXHUQYQUVCWHUBIWPWJ | 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 | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
adfgvx-v2-0586 | GADAFAFAAAAFAAFFGADFFAFVAAGDGXDVVFXVGXVVVVXDDXVXXGADGGFGDFAAADAADDFGAAGFFFAAAFDADXVVGDFADXDVGFFXVFGFGXGDDVVVVVDGXVVXDDDFGDVDDXDVVDDGAXFDAFFGFDGFGAFFDAAAAAADAGAFAA | GADAFAFAAAAFAAFFGADFFAFVAAGDGXDVVFXVGXVVVVXDDXVXXGADGGFGDFAAADAADDFGAAGFFFAAAFDADXVVGDFADXDVGFFXVFGFGXGDDVVVVVDGXVVXDDDFGDVDDXDVVDDGAXFDAFFGFDGFGAFFDAAAAAADAGAFAA | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 162 | 162 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0694 | RGLDLYAHDDNBQLWLARFRIULFSLOIGHLTGAOADPEGIDALUSPDNDGUIRMQUAOADPDLAHRQDIPGUOQGRUNINFRPEIZSHRHIWDRDAPHXWRWIIPEABHHIVNCHRDPCBCDPHVDRDHWHCIHRYXLHRDPCAPHIRXEGPASHZFHKAWXW | RGLDLYAHDDNBQLWLARFRIULFSLOIGHLTGAOADPEGIDALUSPDNDGUIRMQUAOADPDLAHRQDIPGUOQGRUNINFRPEIZSHRHIWDRDAPHXWRWIIPEABHHIVNCHRDPCBCDPHVDRDHWHCIHRYXLHRDPCAPHIRXEGPASHZFHKAWXW | 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 | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0003535 | TEZX JJFN GQRS FGTB NXPO XHPX ZHNV RVYN JZWU OIJN T | TEZX JJFN GQRS FGTB NXPO XHPX ZHNV RVYN JZWU OIJN T | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | beaufort | beaufort | null | {
"key": "LIBRARY"
} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
jn25-v2-0374 | 21244 21233 21247 21239 21243 21235 21242 21239 21236 21235 21238 21237 21232 21233 21246 21238 21242 21239 21248 21248 21249 21246 21249 21248 21231 21239 21242 21249 21236 21239 21259 21244 21232 21239 21233 21242 21240 21235 21242 21239 21248 21244 21243 21235 21248 21238 21239 21256 21239 21242 21259 21249 21248 21... | 21244 21233 21247 21239 21243 21235 21242 21239 21236 21235 21238 21237 21232 21233 21246 21238 21242 21239 21248 21248 21249 21246 21249 21248 21231 21239 21242 21249 21236 21239 21259 21244 21232 21239 21233 21242 21240 21235 21242 21239 21248 21244 21243 21235 21248 21238 21239 21256 21239 21242 21259 21249 21248 21... | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 755 | 905 | cipher_museum | 2.0 | public | null | null |
cda-0018644 | BAAB AAAB BBAA BAAA BAAB AAAA ABAA ABAB AAAB AAAB ABAA BABA AAAA BAAB ABAB AAAA AABA BBAB AAAA BBAA AAAA ABAA BAAB AAAA BBAB ABBA AAAB ABAB AAAA BBAA AAAB BBAA ABBA AAAA ABAA ABBB AAAB AAAA AAAB AABA AABA AAAA BBBA ABAB AAAA ABAA AAAB BABA AAAA AAAA ABAB BBAA ABAB AAAA BBAA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABAA ... | BAAB AAAB BBAA BAAA BAAB AAAA ABAA ABAB AAAB AAAB ABAA BABA AAAA BAAB ABAB AAAA AABA BBAB AAAA BBAA AAAA ABAA BAAB AAAA BBAB ABBA AAAB ABAB AAAA BBAA AAAB BBAA ABBA AAAA ABAA ABBB AAAB AAAA AAAB AABA AABA AAAA BBBA ABAB AAAA ABAA AAAB BABA AAAA AAAA ABAB BBAA ABAB AAAA BBAA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABAA ... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | bacon_cipher | bacon_cipher | null | {} | hard | en | 270 | 270 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
affine-v2-0794 | UKNNO LHHNRSKNH LO ILASFA | UKNNO LHHNRSKNH LO ILASFA | FLEET ASSEMBLES AT HARBOR | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 22 | 25 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0176 | 71 17 23 32 44 41 89 82 37 71 17 23 12 25 72 89 18 66 13 28 67 37 41 44 71 72 75 22 59 84 82 75 81 83 20 66 22 17 56 67 23 38 37 18 63 66 41 75 82 28 26 77 22 63 64 89 17 23 32 25 72 71 18 37 66 41 26 77 16 17 56 67 23 81 | 71 17 23 32 44 41 89 82 37 71 17 23 12 25 72 89 18 66 13 28 67 37 41 44 71 72 75 22 59 84 82 75 81 83 20 66 22 17 56 67 23 38 37 18 63 66 41 75 82 28 26 77 22 63 64 89 17 23 32 25 72 71 18 37 66 41 26 77 16 17 56 67 23 81 | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | argenti | argenti | nomenclator | {
"type": "seed",
"value": "PAPAL"
} | expert | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0811 | FCMKIDEWEPPNBFIKTNDIDPOUWIFZNMGIFOWGPTCTGRCPEMALBFNMFZNMBWFOASICUDMPTNIGQRQV | FCMKIDEWEPPNBFIKTNDIDPOUWIFZNMGIFOWGPTCTGRCPEMALBFNMFZNMBWFOASICUDMPTNIGQRQV | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0349 | QRNHSFHIINOBZSBZGTUVCJUMDMMESAWWZMIAQITEJWKZRWDWAGGKSFHIIZYHIKTWSZQUMAFFNVQNYUCGGCZP | QRNHSFHIINOBZSBZGTUVCJUMDMMESAWWZMIAQITEJWKZRWDWAGGKSFHIIZYHIKTWSZQUMAFFNVQNYUCGGCZP | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0017777 | other posts early north scout often until roads claim early troop outer outer lower swift among light lower opens width input notes drive eight posts | other posts early north scout often until roads claim early troop outer outer lower swift among light lower opens width input notes drive eight posts | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | 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. |
kryptos-v2-0289 | YTDZZDXKJJFJGWENEIJGDRWJD | YTDZZDXKJJFJGWENEIJGDRWJD | SICUT PATRIBUS SIT DEUS NOBIS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-189 | MQNJRIEDARSSIDEWONJRDLLSMTG | MQNJRIEDARSSIDEWONJRDLLSMTG | SUPPLY LINE COMPROMISED | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 27 | 27 | cipher_museum | 0.2 | public | null | null |
fialka-v2-0334 | OIRMGDBNWIVGMBOOUZIVLWNZTYZXVSXKOCOYVALJGQDDCSQMGCKLCTRUEIQKDXMABEPOSFJCZDZGGSTST | OIRMGDBNWIVGMBOOUZIVLWNZTYZXVSXKOCOYVALJGQDDCSQMGCKLCTRUEIQKDXMABEPOSFJCZDZGGSTST | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0011238 | DVVEXENMSITODEEXTRCSNIPCLEKTFBAXRRYNDIITETISIABXAGIEIEESWCRHMRAXUERERESNMTELTPTXEDXRCEOIPRUATEHA | DVVEXENMSITODEEXTRCSNIPCLEKTFBAXRRYNDIITETISIABXAGIEIEESWCRHMRAXUERERESNMTELTPTXEDXRCEOIPRUATEHA | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | double_transposition | double_transposition | null | {
"key1": "JUSTICE",
"key2": "PALACE"
} | hard | en | 96 | 96 | synthetic_educational | null | null | [] | |
nihilist-v3-0335 | 85 25 76 42 34 76 45 68 32 23 85 25 66 54 56 93 35 59 32 27 64 25 50 54 23 93 35 59 32 27 85 58 76 42 34 76 45 68 32 23 85 25 66 33 56 97 46 59 64 63 76 38 46 35 37 96 37 49 66 56 86 25 59 74 65 76 49 70 | 85 25 76 42 34 76 45 68 32 23 85 25 66 54 56 93 35 59 32 27 64 25 50 54 23 93 35 59 32 27 85 58 76 42 34 76 45 68 32 23 85 25 66 33 56 97 46 59 64 63 76 38 46 35 37 96 37 49 66 56 86 25 59 74 65 76 49 70 | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 136 | 203 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-vf-0124 | SBF BFPUFJQ YFAGPOF SBF RGKOX KI RKY YPX TJSK YPX TSSFOFSB QMFFAB JCRBS TJSK JCRBS QBKVFSB EJKVGFYRF | SBF BFPUFJQ YFAGPOF SBF RGKOX KI RKY YPX TJSK YPX TSSFOFSB QMFFAB JCRBS TJSK JCRBS QBKVFSB EJKVGFYRF | THE HEAVENS DECLARE THE GLORY OF GOD DAY UNTO DAY UTTERETH SPEECH NIGHT UNTO NIGHT SHOWETH KNOWLEDGE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PLAYFAIR"
} | beginner | en | 84 | 100 | cipher_museum | 2.0 | public | null | null |
cda-0002434 | BTCEY ANLEE ESDQE HARPT TDAFC TPUAE LETRT SSOIW OAURO ASAOH OUPOL RFEFN INOON RHKYE OCVDT SLWIS EEBSR IIDSP SINQR YIXTP GEEAH TGUUW UXIRE CLROS TASOS XSONR FEURH RERSX | BTCEY ANLEE ESDQE HARPT TDAFC TPUAE LETRT SSOIW OAURO ASAOH OUPOL RFEFN INOON RHKYE OCVDT SLWIS EEBSR IIDSP SINQR YIXTP GEEAH TGUUW UXIRE CLROS TASOS XSONR FEURH RERSX | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | scytale | scytale | null | {
"cols": 10
} | hard | en | 140 | 140 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
cardano-autokey-v3-0365 | DPHVZRBHRCXUFKAHGHTNONALSILMXVUCPUFUXBRWSSLALFPBUVAYQVZKJHRUWHCYRLEVTDNZV | DPHVZRBHRCXUFKAHGHTNONALSILMXVUCPUFUXBRWSSLALFPBUVAYQVZKJHRUWHCYRLEVTDNZV | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0021354 | TZGN EAJJ IART WSBW VHOA JNPK LPNA KGSS NVRI XDWK AMAP L | TZGN EAJJ IART WSBW VHOA JNPK LPNA KGSS NVRI XDWK AMAP L | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | running_key | running_key | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
jefferson-disk-v2-0265 | ZTQPCZNYRYGCZVIHSIMHICWRRDIAZCMNQZSPAROHBVHGXOVPFZKBMRLJEPILDKQNAMPEPDYHUTN | ZTQPCZNYRYGCZVIHSIMHICWRRDIAZCMNQZSPAROHBVHGXOVPFZKBMRLJEPILDKQNAMPEPDYHUTN | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0133 | IJTFTBPOZIAZFTPOQESV | IJTFTBPOZIAZFTPOQESV | THE REDCOATS ARE COMING | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0523 | EOITLTRJANBPVLOAYE | EOITLTRJANBPVLOAYE | CONTACT HAS BEEN MADE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
nihilist-164 | 36 56 24 53 56 23 56 79 45 82 57 63 32 40 43 53 26 65 32 40 24 76 38 23 32 57 37 82 69 53 66 39 25 73 58 42 33 39 33 54 28 53 35 48 44 82 40 45 75 77 44 56 46 36 35 37 33 56 28 32 35 37 | 36 56 24 53 56 23 56 79 45 82 57 63 32 40 43 53 26 65 32 40 24 76 38 23 32 57 37 82 69 53 66 39 25 73 58 42 33 39 33 54 28 53 35 48 44 82 40 45 75 77 44 56 46 36 35 37 33 56 28 32 35 37 | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | nihilist | nihilist | fractionation | {
"polybius": "SECRET",
"keyword": "AGENTS"
} | advanced | en | 124 | 185 | cipher_museum | 0.2 | public | null | null |
cda-0019013 | AUYR WZDG KYUN WUUY SHYE NUSH FKYJ XMQY EEIY JTFZ DEPP IL | AUYR WZDG KYUN WUUY SHYE NUSH FKYJ XMQY EEIY JTFZ DEPP IL | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | vernam | vernam | null | {} | medium | en | 46 | 46 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
chinese-telegraph-v3-0069 | 0219 0012 1255 1672 0538 0856 0918 0074 1346 0285 1255 1599 0285 0219 1421 0472 0012 1421 1346 1024 0285 0156 0538 0285 1346 0285 1599 0918 0729 1599 0285 1421 0472 1255 0918 1503 0408 0472 0856 0012 1421 1503 1255 0012 0729 1346 0285 0729 0285 0156 1421 0538 0918 0856 0918 1599 0285 1255 1599 0012 1346 1421 1346 1024 ... | 0219 0012 1255 1672 0538 0856 0918 0074 1346 0285 1255 1599 0285 0219 1421 0472 0012 1421 1346 1024 0285 0156 0538 0285 1346 0285 1599 0918 0729 1599 0285 1421 0472 1255 0918 1503 0408 0472 0856 0012 1421 1503 1255 0012 0729 1346 0285 0729 0285 0156 1421 0538 0918 0856 0918 1599 0285 1255 1599 0012 1346 1421 1346 1024 ... | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 324 | 404 | cipher_museum | 2.0 | public | null | null |
cda-0014166 | 4 72 62 23 3 15 22 15 21 58 41 63 25 59 76 70 49 11 99 76 60 67 3 72 80 22 81 67 41 39 33 60 91 48 58 46 34 33 36 32 48 15 35 92 72 67 43 33 58 79 82 67 39 48 22 79 93 52 22 99 35 48 35 26 40 22 11 67 22 61 76 3 33 21 45 99 46 66 52 48 99 35 48 25 94 22 26 70 48 60 49 4 22 63 1 52 49 43 25 94 22 76 58 23 68 49 35 82 39... | 4 72 62 23 3 15 22 15 21 58 41 63 25 59 76 70 49 11 99 76 60 67 3 72 80 22 81 67 41 39 33 60 91 48 58 46 34 33 36 32 48 15 35 92 72 67 43 33 58 79 82 67 39 48 22 79 93 52 22 99 35 48 35 26 40 22 11 67 22 61 76 3 33 21 45 99 46 66 52 48 99 35 48 25 94 22 26 70 48 60 49 4 22 63 1 52 49 43 25 94 22 76 58 23 68 49 35 82 39... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | homophonic | homophonic | null | {} | hard | en | 191 | 191 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
navajo-code-v3-0011 | BE-LA-SANA A-KEH-DI-GLINI AH-JAH / TSIN-TLITI WOL-LA-CHEE DAH-NES-TSA TKIN BE-LA-SANA / KLIZZIE GAH WOL-LA-CHEE THAN-ZIE YEH-HES BE-LA-SANA / BI-SO-DIH AH-JAD DZEH A-CHIN BE-LA-SANA | BE-LA-SANA A-KEH-DI-GLINI AH-JAH / TSIN-TLITI WOL-LA-CHEE DAH-NES-TSA TKIN BE-LA-SANA / KLIZZIE GAH WOL-LA-CHEE THAN-ZIE YEH-HES BE-LA-SANA / BI-SO-DIH AH-JAD DZEH A-CHIN BE-LA-SANA | AVE MARIA GRATIA PLENA | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 160 | 193 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0035 | UIF BQQMF GBMMT | UIF BQQMF GBMMT | THE APPLE FALLS | caesar | caesar | substitution | {
"type": "shift",
"value": 1
} | beginner | en | 13 | 15 | cipher_museum | 2.0 | public | null | null |
hill-v2-0092 | MSPLYSOQQMBUFSMAPPIYWUXIKSAOKTPFKWXIXHMJKSWBPYECZVEFREPHVTLDDQHKAGVQHKTZDPCSMD | MSPLYSOQQMBUFSMAPPIYWUXIKSAOKTPFKWXIXHMJKSWBPYECZVEFREPHVTLDDQHKAGVQHKTZDPCSMD | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0036 | LDEIBATERHXTYXXORX | LDEIBATERHXTYXXORX | LIBERTY OR DEATH | stager_route | stager_route | transposition | {
"type": "integer",
"value": 9
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0413 | SIHGNGXHKZUQ | SIHGNGXHKZUQ | IN GOD WE TRUST | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
wheatstone-v3-0048 | LTDDFRYOHFTRDOJFRXRTNOTPJIRURNFYIGHJVDJIPKNRLYORDXYQHJSPHQYVJSDGOTYDTEJSQTIGORRQHRJLRTI | LTDDFRYOHFTRDOJFRXRTNOTPJIRURNFYIGHJVDJIPKNRLYORDXYQHJSPHQYVJSDGOTYDTEJSQTIGORRQHRJLRTI | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0011 | FAEILXSVULURRF | FAEILXSVULURRF | TARGET ACQUIRED | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0015975 | 1 19 3 25 20 1 12 5 9 19 1 18 15 4 21 19 5 4 2 25 19 16 1 18 20 1 14 19 20 15 5 14 3 18 25 16 20 13 5 19 19 1 7 5 19 20 8 5 2 5 19 20 12 5 19 19 15 14 19 19 8 15 23 23 8 5 18 5 20 8 5 13 5 20 8 15 4 6 1 9 12 19 16 21 2 12 9 3 9 14 6 18 1 19 20 18 21 3 20 21 18 5 4 5 19 5 18 22 5 19 3 1 18 5 6 21 12 4 5 19 9 7 14 16 1 2... | 1 19 3 25 20 1 12 5 9 19 1 18 15 4 21 19 5 4 2 25 19 16 1 18 20 1 14 19 20 15 5 14 3 18 25 16 20 13 5 19 19 1 7 5 19 20 8 5 2 5 19 20 12 5 19 19 15 14 19 19 8 15 23 23 8 5 18 5 20 8 5 13 5 20 8 15 4 6 1 9 12 19 16 21 2 12 9 3 9 14 6 18 1 19 20 18 21 3 20 21 18 5 4 5 19 5 18 22 5 19 3 1 18 5 6 21 12 4 5 19 9 7 14 16 1 2... | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE BEST LESSONS SHOW WHERE THE METHOD FAILS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 170 | 170 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
rail-fence-es-001 | EULGREAACAEUOOBEOUEOCRAMNNUADLMNHDCYNMRNQIRAODRE | EULGREAACAEUOOBEOUEOCRAMNNUADLMNHDCYNMRNQIRAODRE | EN UN LUGAR DE LA MANCHA DE CUYO NOMBRE NO QUIERO ACORDARME | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 2
} | intermediate | es | 48 | 48 | cipher_museum | 0.2 | public | null | null |
m209-v3-0317 | KPJNYLXBKNKROZMN | KPJNYLXBKNKROZMN | SOUND THE TRUMPETS | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0042 | OLXLRLHCUAEPQPAHECPLSAZY | OLXLRLHCUAEPQPAHECPLSAZY | MESSAGE RECEIVED CLEARLY | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
caesar-v3-1238 | OZWFWNWJ SFQ XGJE GX YGNWJFEWFL TWUGEWK VWKLJMULANW GX LZWKW WFVK AL AK LZW JAYZL GX LZW HWGHDW LG SDLWJ GJ LG STGDAKZ AL SFV LG AFKLALMLW FWO YGNWJFEWFL DSQAFY ALK XGMFVSLAGF GF KMUZ HJAFUAHDWK | OZWFWNWJ SFQ XGJE GX YGNWJFEWFL TWUGEWK VWKLJMULANW GX LZWKW WFVK AL AK LZW JAYZL GX LZW HWGHDW LG SDLWJ GJ LG STGDAKZ AL SFV LG AFKLALMLW FWO YGNWJFEWFL DSQAFY ALK XGMFVSLAGF GF KMUZ HJAFUAHDWK | WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES | caesar | caesar | substitution | {
"type": "shift",
"value": 18
} | beginner | en | 161 | 194 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0023 | ECCZL EUBZ ZUXW ZGUBZ | ECCZL EUBZ ZUXW ZGUBZ | LOOSE LIPS SINK SHIPS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0418 | CKSBRDRCCKLAIAEGANUHGMGDSBACDDZTHULUSBODRMSBAFGNRMCLASQXAMULKKSBDCATGLETODKZ | CKSBRDRCCKLAIAEGANUHGMGDSBACDDZTHULUSBODRMSBAFGNRMCLASQXAMULKKSBDCATGLETODKZ | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
m94-091 | EQMYPVUPSLQVUHKIDENKCOMEODBJWXDUQDEDSCPOBFRUHIWMDMDXKIYKZ | EQMYPVUPSLQVUHKIDENKCOMEODBJWXDUQDEDSCPOBFRUHIWMDMDXKIYKZ | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | m94 | m94 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
cda-0013560 | THAN-ZIE / LIN / DZEH / DIBEH-YAZZIE / TKIN / SHUSH / GAH / WOL-LA-CHEE / GAH / TSAH-AS-ZIH / CLA-GI-AIH / GAH / DZEH / DIBEH / DZEH / GAH / A-KEH-DI-GLINI / DZEH / DIBEH / KLIZZIE / TSAH / A-KHA / GLOE-IH / DIBEH-YAZZIE / D... | THAN-ZIE / LIN / DZEH / DIBEH-YAZZIE / TKIN / SHUSH / GAH / WOL-LA-CHEE / GAH / TSAH-AS-ZIH / CLA-GI-AIH / GAH / DZEH / DIBEH / DZEH / GAH / A-KEH-DI-GLINI / DZEH / DIBEH / KLIZZIE / TSAH / A-KHA / GLOE-IH / DIBEH-YAZZIE / D... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | navajo_code | navajo_code | null | {} | hard | en | 213 | 213 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
rail-fence-fr-074 | EOPTEEASNTEUEAERTLESLQETORNSELTUI | EOPTEEASNTEUEAERTLESLQETORNSELTUI | ETRE OU NE PAS ETRE TELLE EST LA QUESTION | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 3
} | intermediate | fr | 33 | 33 | cipher_museum | 0.2 | public | null | null |
double-transposition-v2-0619 | EUAENEYADAYELURBVNCEINFTWIAAHADSNAOTNTOFDAPYTCEODETEACLDFTMLENERRETLJOSTAOEKRIAARIYSEFDHNTBPDISIMIERHYIMRTTNNSEYAMNNAEEIHEITAAEHCLYWSAELDOEELEVNDTEIEFAFBSERVDCWN | EUAENEYADAYELURBVNCEINFTWIAAHADSNAOTNTOFDAPYTCEODETEACLDFTMLENERRETLJOSTAOEKRIAARIYSEFDHNTBPDISIMIERHYIMRTTNNSEYAMNNAEEIHEITAAEHCLYWSAELDOEELEVNDTEIEFAFBSERVDCWN | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0405 | DLXCPHRAMIZCXTVCMUHMANVOSYQGCLEKVVSXDYJZKJTURETWFVKVDVRLQFWRJERJMRCOFMNCYVSMRYRKVUNXGYNYWAONZYFSNUTQWPGGMZXIXVRMPRRNIIUVCEEVQBLMRETECCQCHAVJJRCIAYWVSLZALGWVLFKIRKKOSFCIP | DLXCPHRAMIZCXTVCMUHMANVOSYQGCLEKVVSXDYJZKJTURETWFVKVDVRLQFWRJERJMRCOFMNCYVSMRYRKVUNXGYNYWAONZYFSNUTQWPGGMZXIXVRMPRRNIIUVCEEVQBLMRETECCQCHAVJJRCIAYWVSLZALGWVLFKIRKKOSFCIP | 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 | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
cda-0013758 | 68 94 23 61 45 32 3 11 36 14 1 58 48 21 49 63 17 23 58 32 43 23 50 68 86 45 80 23 41 86 76 34 52 63 26 30 41 67 66 32 50 50 36 14 27 34 22 43 60 3 82 81 11 63 26 50 59 68 66 45 15 87 66 63 88 48 3 43 34 48 27 3 34 82 99 24 33 39 48 60 68 23 58 43 78 93 68 94 72 14 68 11 14 67 43 60 66 91 14 25 66 45 15 43 22 35 14 34 5... | 68 94 23 61 45 32 3 11 36 14 1 58 48 21 49 63 17 23 58 32 43 23 50 68 86 45 80 23 41 86 76 34 52 63 26 30 41 67 66 32 50 50 36 14 27 34 22 43 60 3 82 81 11 63 26 50 59 68 66 45 15 87 66 63 88 48 3 43 34 48 27 3 34 82 99 24 33 39 48 60 68 23 58 43 78 93 68 94 72 14 68 11 14 67 43 60 66 91 14 25 66 45 15 43 22 35 14 34 5... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CAREFULLY | 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. |
gronsfeld-v2-0277 | AYBZAIBACLYPMF | AYBZAIBACLYPMF | TRUST BUT VERIFY | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "77777"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
typex-v2-0136 | GAAQJRNBVKYZQRAHEOSCU | GAAQJRNBVKYZQRAHEOSCU | BRIDGE DESTROYED AT DAWN | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
typex-v3-0151 | WJAKMQUYOOMISMLMJPRTFPHQXKRBSYJCNMNYBWZFRVYPTBMZQJWCQZTIJBTJZBUCBAZBUSYJXJLPVZTSVJZDCNEA | WJAKMQUYOOMISMLMJPRTFPHQXKRBSYJCNMNYBWZFRVYPTBMZQJWCQZTIJBTJZBUCBAZBUSYJXJLPVZTSVJZDCNEA | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0151 | KOHRNLWBWEJSOWPGERAHVJEXSJUFNTEBNOZTFNFYCCUDCRFWTSMDCTPEQGJNTRYOZBAHBJDCRKABZLICNTVNATHC | KOHRNLWBWEJSOWPGERAHVJEXSJUFNTEBNOZTFNFYCCUDCRFWTSMDCTPEQGJNTRYOZBAHBJDCRKABZLICNTVNATHC | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
running-key-v2-0032 | JDFLJKPYSHQMQ | JDFLJKPYSHQMQ | E PLURIBUS UNUM | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0116 | RSIGJIZH | RSIGJIZH | DEUS VULT | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
cda-0014385 | 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 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3... | 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 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
trifid-090 | INVYYABPLRN | INVYYABPLRN | RALLY AT DAWN | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
cda-0013366 | EVERY SYSTE MNEED SANHO NESTZ HREAT MODEZ DIFFI EANDZ ELLMA NINTX ODUCE DPUBL ICKEY CRYPX OGRAP HYINN INETX ENSEZ ENTYS IXOPE NSOUZ CETOO LSALX OWIND EPEND ENTVE RIFIX ATION THERA ILFEZ CECIP HERWR ITEST EXTIX AZIGZ AGPAZ TERNN EVERC | EVERY SYSTE MNEED SANHO NESTZ HREAT MODEZ DIFFI EANDZ ELLMA NINTX ODUCE DPUBL ICKEY CRYPX OGRAP HYINN INETX ENSEZ ENTYS IXOPE NSOUZ CETOO LSALX OWIND EPEND ENTVE RIFIX ATION THERA ILFEZ CECIP HERWR ITEST EXTIX AZIGZ AGPAZ TERNN EVERC | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN NEVER | commercial_code | commercial_code | null | {} | hard | en | 195 | 195 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
adfgvx-v2-0196 | FXDVAXFDDVAXDDGFFAAXGAAGGGAFGXAFGAGDAFAGGAVFVFXAFFGAADGAGFFFGXAVAVAGDXFGDAFXGAFVAAAGVAVAVAXGXAFAXDDAXXFDFGAAADAFFDGFFGDGFDFGAGFGAGFAGVADDVDGDV | FXDVAXFDDVAXDDGFFAAXGAAGGGAFGXAFGAGDAFAGGAVFVFXAFFGAADGAGFFFGXAVAVAGDXFGDAFXGAFVAAAGVAVAVAXGXAFAXDDAXXFDFGAAADAFFDGFFGDGFDFGAGFGAGFAGVADDVDGDV | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 142 | 142 | cipher_museum | 2.0 | public | null | null |
cda-0006701 | OQGQW TAYKN DZAYG PBCGP CIZBN DNEGQ XAKYQ OSNMG WDDUA YZDAX LCHFN OQFTP VCBZP HQTTG MUFDY HCXCS ASXTM YIYRJ UABXD VLXYI OBTDN UAVMC VLZQK AE | OQGQW TAYKN DZAYG PBCGP CIZBN DNEGQ XAKYQ OSNMG WDDUA YZDAX LCHFN OQFTP VCBZP HQTTG MUFDY HCXCS ASXTM YIYRJ UABXD VLXYI OBTDN UAVMC VLZQK AE | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX PERHAPS | trithemius | trithemius | null | {} | hard | en | 117 | 117 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
diana-025 | LAPJNBESVUPXXJN | LAPJNBESVUPXXJN | SILENCE IS GOLDEN | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "DIANA"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
geez-monastic-v2-0325 | UFMZMIQMUVCDMUUJYDWFMWAJZDMUUJYDZUWQUMAVYMZUMNWUWUJGMDMUZLVHBMQLCWQJYAMMA | UFMZMIQMUVCDMUUJYDWFMWAJZDMUUJYDZUWQUMAVYMZUMNWUWUJGMDMUZLVHBMQLCWQJYAMMA | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0386 | NGKIBOYHYOJKVGECXVHWEGXLOPPRCMQNBZIQFCHJQQHRZADPTNHOVRKPDVDMGTULVLASHTHI | NGKIBOYHYOJKVGECXVHWEGXLOPPRCMQNBZIQFCHJQQHRZADPTNHOVRKPDVDMGTULVLASHTHI | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
purple-v3-0154 | EVAPUUCNICEEXRSPWZNXUJBMRBLTLSZGYXJTXRAUZTVUJNFQCNNTLNSGMIRVJGLADZRW | EVAPUUCNICEEXRSPWZNXUJBMRBLTLSZGYXJTXRAUZTVUJNFQCNNTLNSGMIRVJGLADZRW | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-1184 | MSNMDT | MSNMDT | EUREKA | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "TRIUMPH"
} | beginner | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0122 | TNRROABNIOEIMLEFMLNTEWAUEOTITANLSNSNHYULAGAGASNORENATARFERDBTNUFBOEOHDLOABVOEWYODEEKYIGLCYRIOLEIHTYTULNSIHOSNAEHLENEGLRNDIEEHWAERRIMAATSEPSSVYISNAWTESOX | TNRROABNIOEIMLEFMLNTEWAUEOTITANLSNSNHYULAGAGASNORENATARFERDBTNUFBOEOHDLOABVOEWYODEEKYIGLCYRIOLEIHTYTULNSIHOSNAEHLENEGLRNDIEEHWAERRIMAATSEPSSVYISNAWTESOX | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | scytale | scytale | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
bifid-es-029 | CBRXBTCBEFDRUBEDOADUAGRYUXRYTYUIE | CBRXBTCBEFDRUBEDOADUAGRYUXRYTYUIE | CUANDO UNA PUERTA SE CIERRA OTRA SE ABRE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "KEYWORD"
} | advanced | es | 33 | 33 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-1383 | UCHJOLPKPYITEEUGYDBRI | UCHJOLPKPYITEEUGYDBRI | SONS OF LIBERTY ASSEMBLE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0013914 | TTSN EDKS XKPX SEQS YIIH GJZA VTLX XXCT RDEJ WHVW DGVT CUDK ICVE KV | TTSN EDKS XKPX SEQS YIIH GJZA VTLX XXCT RDEJ WHVW DGVT CUDK ICVE KV | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | running_key | running_key | null | {} | medium | en | 54 | 54 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
wallis-cipher-v2-0131 | 90 75 18 37 47 30 55 89 91 90 18 41 71 47 81 73 63 53 91 | 90 75 18 37 47 30 55 89 91 90 18 41 71 47 81 73 63 53 91 | CAVALRY ADVANCES | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0524 | WPJNQPOYYEEVRCKELJPI | WPJNQPOYYEEVRCKELJPI | THE LEGIONS STAND READY | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
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