PROJECT 2811 — The Prologue

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EXTERNAL AUTHORIZATION REQUIRED

The first key is not inside this machine.

A human keeper holds the eight digits. This time, her identity and the sentence she accepts are both encrypted.

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Layer I. Dark moon = 0. Bright moon = 1. Five moons form one binary letter, with A beginning at zero. The seven recovered letters name the keeper.

Layer II. Use that seven-letter name as a repeating Vigenère key. A = 0. Recover the sentence by subtracting the key letters from the transmission letters.

FHVAIYIZTFZBVXDEDMMOIDSNPAGHUSKINPIOAEVOGIDAJM

Send the restored sentence exactly to the keeper you decoded. Only she can return the new eight-digit reply.

LOGIC LOCK LEVEL I

01

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CANDIDATE KEY RECOVERED

Do not assume it is honest.

Record this code and its symbol. The final lock will decide whether it deserves your trust.

00000000

CANDIDATE A · ✦

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PROLOGUE COMPLETE

Four keys. One honest door.

The true key belongs to the traveller that rules the night, changes its face, and shines only with borrowed light.

FINAL DIRECTIVE

Choose the code whose symbol answers the riddle. Test it against the entrance of PROJECT 2811.

OPEN PROJECT 2811 ↗

The other three codes are deliberate decoys.

THEPROLOGUE

The first key is not inside this machine.

Do not assume it is honest.

Four keys. One honest door.

THE
PROLOGUE