# Encipher and Decipher nKode ### Customer Policy - max nkode length: 10 - number of keys: 6 - properties per key: 9 - total number of properties: 54 ### Customer Cipher - property key: [50817 32783 33745 35836 30092 4212 15938 64571 58354 41241 3649 38852 37860 47294 10501 43278 9946 60484 34443 38446 57997 32874 49251 58321 15849 40891 43566 53732 31357 5248 22060 15762 23773 10428 22850 7975 11108 23454 32723 40871 6994 35130 41638 13889 6569 20765 56191 37770 4448 37031 30452 43080 24525 44717] - position key: [25392 13634 17753 25555 61290 50870 49934 53104 9796] --- ### User Cipher - property key: [35724 37130 47630 20125 52673 62248 61979 44917 17470 11483 20317 56084 34699 49571 32249 15009 43246 57623 21032 62384 61961 34049 1963 5370 1121 47700 26633 59166 16526 38173 56846 41594 54438 8714 46049 25028 38681 2017 39749 42164 38277 19216 23760 35115 23020 18954 26604 50262 21588 62239 30226 58722 12644 39141] - passcode key: [51522 14440 21036 1484 4829 51359 61560 41543 23848 29080] - combined position key: [14972 5803 54986 46940 19674 32943 38431 42194 29083] - mask key: [15948 8251 52095 4511 25902 21701 15340 4458 15137 44295] #### Combined Postion Key ```mermaid block-beta columns 2 user_pos["user position key:\n[22860 9193 37779 54415 41904 17945 21777 27554 22495]"] customer_pos["customer position key:\n[25392 13634 17753 25555 61290 50870 49934 53104 9796]"] space:2 xor(("XOR")):2 user_pos --> xor customer_pos --> xor space:2 comb_pos["combined position key\n[14972 5803 54986 46940 19674 32943 38431 42194 29083]"]:2 xor --> comb_pos ``` ### User Keypad - keypad: - user passcode indices: [22, 6, 38, 21] ### nKode Cipher #### Passcode Hash ```mermaid block-beta columns 2 cprop["customer_property_key\n[50817 32783 33745 35836 30092 4212 15938 64571 58354 41241 3649 38852 37860 47294 10501 43278 9946 60484 34443 38446 57997 32874 49251 58321 15849 40891 43566 53732 31357 5248 22060 15762 23773 10428 22850 7975 11108 23454 32723 40871 6994 35130 41638 13889 6569 20765 56191 37770 4448 37031 30452 43080 24525 44717]"] uprop["user_property_key\n[35724 37130 47630 20125 52673 62248 61979 44917 17470 11483 20317 56084 34699 49571 32249 15009 43246 57623 21032 62384 61961 34049 1963 5370 1121 47700 26633 59166 16526 38173 56846 41594 54438 8714 46049 25028 38681 2017 39749 42164 38277 19216 23760 35115 23020 18954 26604 50262 21588 62239 30226 58722 12644 39141]"] space:2 xor1(("XOR")):2 cprop --> xor1 uprop --> xor1 space:2 prop["combined_property_key\n[19725 4357 14815 50529 47181 58204 52313 21326 42956 36290 16668 19664 5231 31005 21756 37807 36404 3411 54435 26014 4228 1387 51144 63275 14728 9711 49703 14074 15091 33181 34850 40936 34939 2742 60067 32483 48253 23679 58518 15123 36567 49706 65142 49002 16453 6935 48275 22492 17716 25528 230 19754 28329 13896]"] xor1 --> prop pass["user_passcode_indices\n[22, 6, 38, 21]"] space:2 sel(("select\properties")):2 pass --> sel prop --> sel space:2 passcode["user passcode properties:\n[51144 52313 58518 1387]"]:2 sel --> passcode space:2 pad["zero pad to\nmax nkode length: 10"]:2 passcode -->pad space:2 paddedpasscode["padded passcode:\n[51144 52313 58518 1387 0 0 0 0 0 0]"] pad --> paddedpasscode passkey["passcode key:\n[51522 14440 21036 1484 4829 51359 61560 41543 23848 29080]"] space:2 xor2(("XOR")):2 passkey --> xor2 paddedpasscode --> xor2 space:2 cipheredpass["ciphered passcode:\n[ 3722 62513 46778 167 4829 51359 61560 41543 23848 29080]"]:2 xor2 --> cipheredpass space:2 hash(("hash")):2 cipheredpass --> hash space:2 cipheredhashed["hashed ciphered passcode:\n$2b$12$AQRZP88momhTaKGYaPzdiuBybg7V49SiZ8y9PQMoT0plZrEsbYO.K"]:2 hash --> cipheredhashed ``` #### Mask Encipher ```mermaid block-beta columns 3 passcode_idx["passcode indices:\n[22, 6, 38, 21]"] comb_pos["combined position key:\n[14972 5803 54986 46940 19674 32943 38431 42194 29083]"] cust_pos["customer position key:\n[25392 13634 17753 25555 61290 50870 49934 53104 9796]"] space:3 propidx(["Get Position Idx:\nmap each to element mod props_per_key"]) passcode_idx-->propidx space:1 xor1(("XOR")) comb_pos --> xor1 cust_pos --> xor1 space:3 passcode_position_idx["passcode poition indices:\n[4, 6, 2, 3]"] propidx --> passcode_position_idx space:5 pad1(("Pad with\nrandom indices")) passcode_position_idx --> pad1 space:5 posidx["Padded Passcode Position Indices:\n[4, 6, 2, 3, 7, 1, 8, 0, 5, 4]"] pad1 --> posidx space:1 user_pos["user position key:\n[22860 9193 37779 54415 41904 17945 21777 27554 22495]"] xor1 --> user_pos space:4 sel(("select positions")) user_pos --> sel posidx --> sel space:5 passcode_pos["passcode positions:\n[41904 21777 37779 54415 27554 9193 22495 22860 17945 41904]"] sel --> passcode_pos mask_key["mask key\n[15948 8251 52095 4511 25902 21701 15340 4458 15137 44295]"] space:4 xor2(("XOR")) mask_key --> xor2 passcode_pos --> xor2 space:5 mask["enciphered mask:\n [40444 29994 22764 50448 3724 30508 27699 18470 32056 3767]"] xor2 --> mask ```