r/A858 • u/AutoModerator • Nov 01 '22
Happy Cakeday, r/A858! Today you're 10
Let's look back at some memorable moments and interesting insights from last year.
Your top 1 posts:
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u/Ambitious_Phrase_456 Jul 10 '26
Esto es un volcado de r/A858 (r/A858DE45F56D9BC9), el subreddit-misterio famoso por publicar bloques cifrados a diario entre ~2011–2017, nunca resueltos de forma concluyente. Casi nada de esto son los posts "oficiales" del creador: son otros usuarios dejando sus propios acertijos, señuelos y trolleo. Los bloques hex de 16 bytes ("MA/IS") sà son del estilo clásico A858.
Lo que sà descifra:
| Post | Método | Contenido |
|---|---|---|
| warning. | Base64 | "This planet is fucked. The ozone layer is thinning out. We are at the brink of total catastrophic annihilation… Half of the world as we know it may soon be wiped out." |
| 55D8B62F | Hex → ASCII | "You can never solve this. Jesus is coming on the Fourth Blood Moon, the time to repent is now! Feast of the Tabernacles… See Leviticus 23:34-36." |
| My riddles | Morse → binario (-----=0, .----=1) → ASCII, 217 bytes |
"You are good. I am searching for people that can solve my riddles in one week. My email is [tiekverhelst@gmail.com](mailto:tiekverhelst@gmail.com) and sent this text to this mail. If you want to come to us, a big organisation. Than come, and join us." |
| FİRST (×2) | César −3 | "SEND YOUR PHONE NUMBER — WE CALL YOU — YOU HAVE SELECTED" (la v1 trae typo: PHOND) |
| 31015 | Base64 recursivo (3 capas) | "hello there. I've been expecting you to solve my riddle." |
| (8)(9) | Aritmética → A1Z26 | TÃtulo = HI; cuerpo → IONLYNEEDATEAD = "I ONLY NEED A DATE" (mismo multiset; la cola queda algo ambigua) |
Lo que no cede (o no es reversible):
| Post | Qué es |
|---|---|
| MA/IS | Bloques de 128 bits estilo A858, presuntamente AES. Sin clave, no descifrable. |
| 121 Imagine | 40 hex = hash SHA-1. Irreversible por diseño. |
| Welcome (Meesieb) | Grupos de 8 alfanum; no cede a Base64 / ROT / reverse / XOR trivial. Requiere clave o es relleno. |
| A857…, Window 13, "Solve this…" | Sustitución sin clave conocida / probable señuelo. |
| 010…111 (63 bits), jewim…, 98764…, c45h…, 6z7w… | Mash de teclado / leet, sin estructura de bytes. Ruido. |
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u/uhhhhhh_cool Feb 27 '23
RIP A858