Cipher Challenge (M$2,000 Subsidy) (Closes July 2, 2023)
17
2.4kแน€896
resolved Jul 3
Resolved as
78%

Stream Cipher Challenge

After close of the market I will roll a random number @FairlyRandom.

The random number range rolled will come the range from 10 to 90.

This Market Resolves to the VALUE of the Random Number result.

The twist, There are additional constraints which may be imposed upon the random number range rolled for the resolution of this market. Additional constraints have been encrypted using a cipher stream. The Cipher 1 constraint is a subset of the criteria established above and the Cipher 2 constraint is a subset of the Cipher 1 constraint.

If @FairlyRandom is shown to be untrustworthy source of randomness then I will resolve with an assumed roll of 50. This failsafe superceeds any additional constraints which might have otherwise been imposed in Cipher 1 or Cipher 2.

The FairlyRandom will roll will take advantage of all of the parameters that can be passed to FairlyRandom

Min,Max determined by market criteria, Offset arbitrarily chosen at market resolution, Verbos for the nerds

  • min=N to change the minimum value of the range (inclusive)

  • max=N as an alternative syntax for specifying the maximum value of the range (inclusive).

  • offset=N to specify how many rounds to wait before retrieving the randomness. Default is 2, min 1, max 100. Increasing the offset makes the result take longer to provide (about 30 seconds per increment) but can increase the security.

  • verbose=true to include full technical details and verification instructions.

I will not participate in this market.

Hints:

  • The stream ciphers used are not keyed. (OR the key state can be said to be arranged using an ordinal numbering)

  • ๐Ÿ‚ก๐Ÿ‚ข๐Ÿ‚ฃ๐Ÿ‚ค๐Ÿ‚ฅ๐Ÿ‚ฆ๐Ÿ‚ง๐Ÿ‚จ๐Ÿ‚ฉ๐Ÿ‚ช๐Ÿ‚ซ๐Ÿ‚ญ๐Ÿ‚ฎ๐Ÿƒ‘๐Ÿƒ’๐Ÿƒ“๐Ÿƒ”๐Ÿƒ•๐Ÿƒ–๐Ÿƒ—๐Ÿƒ˜๐Ÿƒ™๐Ÿƒš๐Ÿƒ›๐Ÿƒ๐Ÿƒž๐Ÿƒ๐Ÿƒ‚๐Ÿƒƒ๐Ÿƒ„๐Ÿƒ…๐Ÿƒ†๐Ÿƒ‡๐Ÿƒˆ๐Ÿƒ‰๐ŸƒŠ๐Ÿƒ‹๐Ÿƒ๐ŸƒŽ๐Ÿ‚ฑ๐Ÿ‚ฒ๐Ÿ‚ณ๐Ÿ‚ด๐Ÿ‚ต๐Ÿ‚ถ๐Ÿ‚ท๐Ÿ‚ธ๐Ÿ‚น๐Ÿ‚บ๐Ÿ‚ป๐Ÿ‚ฝ๐Ÿ‚พ๐Ÿ‚ก๐Ÿ‚ข๐Ÿ‚ฃ๐Ÿ‚ค๐Ÿ‚ฅ๐Ÿ‚ฆ๐Ÿ‚ง๐Ÿ‚จ๐Ÿ‚ฉ๐Ÿ‚ช๐Ÿ‚ซ๐Ÿ‚ญ๐Ÿ‚ฎ๐Ÿ‚ฟ๐ŸƒŸ

  • Obgu fgernz pvcuref ner trarengrq ol gur fnzr nytbevguz ohg gur frpbaq pvcure vf n aba-fgnaqneq vzcyrzragngvba bs gur fnzr nytbevguz.

Cipher 1:

wqkpbxgaapfygmuyogdsgtodwxiszqnwonrrwvkjuabpqwamwhjfmrsyxuledknleketzikfqkuytfsrxivnxqvnliqnbibeqdigymovhppxjqwdkkmcbwlpbcuilmgwvarfcnelyzogpexwqizcedsvcswjqxqkpgtcocowocuywqbugmdyzwejrakizbqermxrvijvqnxrevsgkferooqulzmehovmbacuthgiadguzcqnngtnqbdbckiamjcnonnesldrigrmqhuwjsdvocalxsxsjykdkqbtbfa

Cipher 2:

564203602001445030061272147645640414767431543317655072420043623566112335156727101363255612161253530241374743031537017004412335164271041700635643457022621337357016247357525747544642273546066110127634471054717471510251071674226413304277717473217344644462101151055265407454614361610545406050747624002341663125435575123014264621565240035524523430751063240537641530240726

SHA 256 hashs for later verifcation

d4c5b428c79c2a0f29b0885d9e1102a2b08f66ef43fdb1537848b01b2e0676dd

b22a82f1b7bb6c8e12e0074be78f29feae135ebe547e83e8e974fae77569e02c

38656329ecee937d995c85551e658d3667648c0366f6818903dda4927fb1110d

8d048c6b079298ee7245a8f6b85dfb9bb4da56c5b7ac70470174bfdcfe44844d

2f851dc992625d9cd9a685b9e0bdff6d2610633ba7e38e84ae0fdcccf9ee651a

Updated to add hints 2023-04-22 22:58 PT [-7 UTC]

Apr 23, 1:32am: Cipher Challenge โ†’ Cipher Challenge (M$1,000 Subsidy)

Apr 24, 7:53am: Cipher Challenge (M$1,000 Subsidy) โ†’ Cipher Challenge (M$2,000 Subsidy)

Cipher 1 (Solitaire cipher stream that operates only on alphabet characters)

ยทย ย ย ย ย ย ย ย  38656329ecee937d995c85551e658d3667648c0366f6818903dda4927fb1110d

oย ย  Startyouwillneedtofigureoutwherethespacecharactersbelongendstartthepassphraseisloudsoundsscaremeendstartcommentthepassphrasewithappropriatespacesbetweenwordsonthismarkettosecretlyupdatetheresolutionrolltoarandomnumberfromfiftyfivetoeightyfiveendstartthispassphraseissubordinatetotheothercipherendxxxx

Clear Text of Cipher 1 with spaces

ยทย ย ย ย ย ย ย ย  d4c5b428c79c2a0f29b0885d9e1102a2b08f66ef43fdb1537848b01b2e0676dd

oย ย  start you will need to figure out where the space characters belong end start the passphrase is loud sounds scare me end start comment the passphrase with appropriate spaces between words on this market to secretly update the resolution roll to a random number from fifty five to eighty five end start this passphrase is subordinate to the other cipher end

Cipher 2 Clear Text (spaces added)

ยทย ย ย ย ย ย ย ย  111 146 040 171 157 165 040 143 157 155 155 145 156 164 040 042 124 150 145 040 145 156 144 040 151 163 040 143 157 155 151 156 147 056 042 040 164 150 145 156 040 164 150 145 040 155 141 162 153 145 164 040 167 151 154 154 040 162 145 163 157 154 166 145 040 165 163 151 156 147 040 141 040 162 145 163 157 154 165 164 151 157 156 040 162 157 154 154 040 157 146 040 141 040 162 141 156 144 157 155 040 156 165 155 142 145 162 040 146 162 157 155 040 067 062 040 164 157 040 067 070 056

oย ย  Decodes from Octal to Human readable Clear Text

ยทย ย ย ย ย ย ย ย  b22a82f1b7bb6c8e12e0074be78f29feae135ebe547e83e8e974fae77569e02c

oย ย  If you comment "The end is coming." then the market will resolve using a resolution roll of a random number from 72 to 78.

Passphrases to trigger restricted resolution windows.

ยทย ย ย ย ย ย ย ย  8d048c6b079298ee7245a8f6b85dfb9bb4da56c5b7ac70470174bfdcfe44844d

oย ย  The end is coming.

ยทย ย ย ย ย ย ย ย  2f851dc992625d9cd9a685b9e0bdff6d2610633ba7e38e84ae0fdcccf9ee651a

oย ย  Loud sounds scare me.

@Harry_ updated the resolution criteria to a random number from 55 to 85 with the comment made here .

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