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= Marvin Encryption Scheme =
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= Marvin Encryption Scheme =
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\n
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\n
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== Story ==
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== Story ==
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[quote]
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[quote]
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[b][14:59] Marvin1: haz aisr uadu zraiar[/b]
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[b][14:59] Marvin1: haz aisr uadu zraiar[/b]
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[color=gray][14:59] Orfailius: glaives could be more 🗡[/color]
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[color=gray][14:59] Orfailius: glaives could be more 🗡[/color]
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[color=gray][14:59] Orfailius: 🗡 🗡 🗡 🗡 🗡 🗡 🗡 🗡 🗡 🗡[/color]
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[color=gray][14:59] Orfailius: 🗡 🗡 🗡 🗡 🗡 🗡 🗡 🗡 🗡 🗡[/color]
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[b][15:00] Marvin: io ua aiatdf osfpsufpdu osuf iaz pdns[/b]
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[b][15:00] Marvin: io ua aiatdf osfpsufpdu osuf iaz pdns[/b]
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[color=gray][15:00] Anarchid: dagger is an extremely fast alpha raider[/color]
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[color=gray][15:00] Anarchid: dagger is an extremely fast alpha raider[/color]
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[b][15:00] Marvin: kaz[/b]
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[b][15:00] Marvin: kaz[/b]
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[color=gray][15:00] DeinFreund: not even rot13 [/color]
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[color=gray][15:00] DeinFreund: not even rot13 [/color]
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[color=gray][15:00] Anarchid: oh look marvin is back[/color]
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[color=gray][15:00] Anarchid: oh look marvin is back[/color]
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[color=gray][15:00] Orfailius: who?[/color]
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[color=gray][15:00] Orfailius: who?[/color]
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[color=gray][15:00] Marvin: ,audtd kommst du in ein level[/color]
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[color=gray][15:00] Marvin: ,audtd kommst du in ein level[/color]
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[b][15:00] Marvin: gazdr[/b]
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[b][15:00] Marvin: gazdr[/b]
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[color=gray][15:01] Anarchid: anyway; dagger is an ultrafast alpha raider; its strenghts are speed and alpha, its weaknesses those of the raiders: low hp, low range, aoe[/color]
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[color=gray][15:01] Anarchid: anyway; dagger is an ultrafast alpha raider; its strenghts are speed and alpha, its weaknesses those of the raiders: low hp, low range, aoe[/color]
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[color=gray][15:01] DeinFreund: what is that cipher[/color]
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[color=gray][15:01] DeinFreund: what is that cipher[/color]
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[color=gray][15:01] Anarchid: among raiders it's special by being fast and alpha, so nerfing hp doesn't reduce its uniqueness[/color]
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[color=gray][15:01] Anarchid: among raiders it's special by being fast and alpha, so nerfing hp doesn't reduce its uniqueness[/color]
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[color=gray][15:02] DeinFreund: i think we should nerf Marvin's cipher[/color]
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[color=gray][15:02] DeinFreund: i think we should nerf Marvin's cipher[/color]
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[b][15:02] Marvin: im HATDODDADZAIDTSAWSZSDGFD[/b]
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[b][15:02] Marvin: im HATDODDADZAIDTSAWSZSDGFD[/b]
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[color=gray][15:02] Anarchid: it's not a cipher, look at the letter distribution[/color]
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[color=gray][15:02] Anarchid: it's not a cipher, look at the letter distribution[/color]
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[color=gray][15:02] Anarchid: "sdgfd"[/color]
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[color=gray][15:02] Anarchid: "sdgfd"[/color]
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[color=gray][15:02] Marvin: R3[/color]
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[color=gray][15:02] Marvin: R3[/color]
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[color=gray][15:03] Anarchid: repetitive letters, and repetitive letters placed closely on the keyboard[/color]
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[color=gray][15:03] Anarchid: repetitive letters, and repetitive letters placed closely on the keyboard[/color]
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[color=gray][15:03] DeinFreund: not on neo[/color]
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[color=gray][15:03] DeinFreund: not on neo[/color]
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[b][15:03] Marvin: jazsits uatdud[/b]
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[b][15:03] Marvin: jazsits uatdud[/b]
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[color=gray][15:03] DeinFreund: not on dvorak[/color]
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[color=gray][15:03] DeinFreund: not on dvorak[/color]
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[color=gray][15:03] Anarchid: it's like trying to get a random number and getting 31321233123[/color]
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[color=gray][15:03] Anarchid: it's like trying to get a random number and getting 31321233123[/color]
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[b][15:03] Marvin: hazf[/b]
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[b][15:03] Marvin: hazf[/b]
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[b][15:03] Marvin1: nahdoazg[/b]
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[b][15:03] Marvin1: nahdoazg[/b]
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[color=gray][15:03] Anarchid: because your idea of getting a random number is mashing on a keyboard[/color]
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[color=gray][15:03] Anarchid: because your idea of getting a random number is mashing on a keyboard[/color]
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[color=gray][15:03] Anarchid: and keyboard is not random[/color]
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[color=gray][15:03] Anarchid: and keyboard is not random[/color]
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[color=gray][15:03] Marvin: ok marvin1[/color]
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[color=gray][15:03] Marvin: ok marvin1[/color]
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[color=gray][15:03] Marvin1: haha[/color]
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[color=gray][15:03] Marvin1: haha[/color]
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[color=gray][15:03] Marvin: ):[/color]
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[color=gray][15:03] Marvin: ):[/color]
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[color=gray][15:03] Anarchid: he's mashing numbers on a qwerty[/color]
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[color=gray][15:03] Anarchid: he's mashing numbers on a qwerty[/color]
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[color=gray][15:03] Anarchid: *buttons[/color]
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[color=gray][15:03] Anarchid: *buttons[/color]
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[b][15:04] Marvin: ok haidctd komm,laudf.q[/b]
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[b][15:04] Marvin: ok haidctd komm,laudf.q[/b]
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[color=gray][15:04] DeinFreund: it could be an interesting cipher[/color]
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[color=gray][15:04] DeinFreund: it could be an interesting cipher[/color]
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[color=gray][15:04] Marvin: ![/color]
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[color=gray][15:04] Marvin: ![/color]
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[b][15:04] Marvin: oaf[/b]
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[b][15:04] Marvin: oaf[/b]
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[color=gray][15:04] DeinFreund: whose characters are distributed by qwertz mashing distribution[/color]
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[color=gray][15:04] DeinFreund: whose characters are distributed by qwertz mashing distribution[/color]
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[color=gray][15:04] Marvin: Anarchid komm[/color]
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[color=gray][15:04] Marvin: Anarchid komm[/color]
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[color=gray][15:05] DeinFreund: maybe characters are encoded by the geometric distance between the letters[/color]
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[color=gray][15:05] DeinFreund: maybe characters are encoded by the geometric distance between the letters[/color]
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[color=gray][15:05] Anarchid: oh qwertz[/color]
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[color=gray][15:05] Anarchid: oh qwertz[/color]
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[b][15:05] Marvin: hdzagsdiats jatdjatd[/b]
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[b][15:05] Marvin: hdzagsdiats jatdjatd[/b]
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[color=gray][15:05] Anarchid: yes that explains why so many z[/color]
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[color=gray][15:05] Anarchid: yes that explains why so many z[/color]
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[color=gray][15:05] DeinFreund: with highly frequent characters having low ids[/color]
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[color=gray][15:05] DeinFreund: with highly frequent characters having low ids[/color]
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[color=gray][15:05] DeinFreund: i need to implement that cipher now[/color]
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[color=gray][15:05] DeinFreund: i need to implement that cipher now[/color]
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[b][15:05] Marvin: jerted[/b]
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[b][15:05] Marvin: jerted[/b]
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[color=gray][15:05] DeinFreund: it'd fool Anarchid[/color]
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[color=gray][15:05] DeinFreund: it'd fool Anarchid[/color]
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[color=gray][15:05] DeinFreund: then it'd fool everyone[/color]
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[color=gray][15:05] DeinFreund: then it'd fool everyone[/color]
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[color=gray][15:05] Marvin: i[/color]
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[color=gray][15:05] Marvin: i[/color]
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[b][15:05] Marvin1: ksgdiazdtdudt[/b]
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[b][15:05] Marvin1: ksgdiazdtdudt[/b]
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[color=gray][15:06] Marvin: ? [/color]
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[color=gray][15:06] Marvin: ? [/color]
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[color=gray][15:06] Marvin: < [/color]
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[color=gray][15:06] Marvin: < [/color]
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[color=gray][15:07] Anarchid: how do you compute geometric distances?[/color]
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[color=gray][15:07] Anarchid: how do you compute geometric distances?[/color]
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[b][15:07] Marvin: kfzfe[/b]
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[b][15:07] Marvin: kfzfe[/b]
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[/quote]
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[/quote]
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\n
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\n
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== Hint ==
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== Hint ==
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{{{String lines[] = new String[]{
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{{{String lines[] = new String[]{
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"qwertzuiop",
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"qwertzuiop",
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"asdfghjkl",
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"asdfghjkl",
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"yxcvbnm"
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"yxcvbnm"
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};
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};
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int distanceVerticalPerLine = 4;
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int distanceVerticalPerLine = 4;
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int distanceHorizontalPerColumn = 1;
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int distanceHorizontalPerColumn = 1;
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int splitCharacterDistance = 8;
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int splitCharacterDistance = 8;
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//split distances > this into multiple characters because keyboard too small
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//split distances > this into multiple characters because keyboard too small
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String mostFrequentLetters = "etaoinsrhldcumfpgwybvkxjqz";
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String mostFrequentLetters = "etaoinsrhldcumfpgwybvkxjqz";
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//distances for letters, characters not in this list remain plaintext
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//distances for letters, characters not in this list remain plaintext
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}}}
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}}}
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\n
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\n
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[quote][15:07] Anarchid: how do you compute geometric distances?[/quote]
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[quote][15:07] Anarchid: how do you compute geometric distances?[/quote]
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https://upload.wikimedia.org/wikipedia/commons/b/b6/Lower_Manhattan_from_Jersey_City_November_2014_panorama_3.jpg
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https://upload.wikimedia.org/wikipedia/commons/b/b6/Lower_Manhattan_from_Jersey_City_November_2014_panorama_3.jpg
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\n
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\n
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== Example ==
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== Example ==
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{{{now we can finally speak in marvin}}}
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{{{now we can finally speak in marvin}}}
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{{{ahlbtr krtt afhb ldjnvrtlkrvn kvaadumk ie cfstlaqtf}}}
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{{{ahlbtr krtt afhb ldjnvrtlkrvn kvaadumk ie cfstlaqtf}}}
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same
meaning:
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{{{fbxwhg yqww xbmh wfroudszumut duffszsy bf ietkvrfku}}}
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\n
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\n
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== FIFDHDMMVM ==
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== FIFDHDMMVM ==
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fitwataavnmdecvnbgsea fb assfysxalbb awrjecmjz
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fitwataavnmdecvnbgsea fb assfysxalbb awrjecmjz
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\n
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\n
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gfiikz qqygh jjeznngkvcnsnnszr kvcduifg jcxhjfifg otd sg yvygzscedvfituii fiotzss eecewhwtgge uh jeeeuf tuzwxhss nmbhxhhwzifiiih
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gfiikz qqygh jjeznngkvcnsnnszr kvcduifg jcxhjfifg otd sg yvygzscedvfituii fiotzss eecewhwtgge uh jeeeuf tuzwxhss nmbhxhhwzifiiih
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\n
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\n
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gmvyn snmm duikvcew xhdd gygkrtt ru myahkrejkrkh vmdfifrr tlll baarrwe jzwiuufifs goj hppp hjfifajhhc
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gmvyn snmm duikvcew xhdd gygkrtt ru myahkrejkrkh vmdfifrr tlll baarrwe jzwiuufifs goj hppp hjfifajhhc
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Marvin encryption scheme