A858DE45F56D9BC9 archive

201512051500 3vkqtr

inferred encrypted filler

N=10

Metadata

Post ID
3vkqtr
Title
201512051500 → 2015-12-05 15:00 on A858's clock
Posted (UTC)
2015-12-05 20:00:55
Timezone
UTC−5 · title 15:00 against posted 20:00 UTC
Author
A858DE45F56D9BC9
Account
A858DE45F56D9BC9 main account
Subreddit
r/A858DE45F56D9BC9 the main subreddit
Category
F5 filler by length law: 64N+16
Size
656 hex characters · 328 bytes
N from length
10 (64·N + 16 = 656)
Run
Run 71 (seed 1,220,915,585) (seed)
Draw
92 · predicted N = 10 ✓
Machine boot
2015-11-17 20:51–21:51 (seed = uptime at app start)
Sources
community-archive, arctic-shift · body from community-archive
Links
Reddit · Arctic Shift · JSON
Score · comments
3 · 0
Tags
post-cutover2015Undecrypted filler (fits the length law)run: seed

From the post to its content

As posted (encrypted)

64071c84de396e4390e4a126de889c41 e4c506be23925e33afda0aef71bb169a dd6a3b3791e575efbd0b774c85aebfaf a7c25df2721b13e02df5d956ab059336 cb83b5847012bed87c7c76c4da89f37d fed3ba30c6a27880efb22f6ee8e8baa5 16e83456345a33ead7ae9c1d4b2e7065 3df3e67a4159296da6608f0bf10cf18b 36b1b673fe74205bcb6aabbfa13d4131 7a831fa20214610b0f6b9774912a3c41 b9b10ec5114465da94b2fae65530b781 aeec382253a5f1b7e5d4cdd28a8a09a2 1230518eeff07d419d4cb86f061e924b 4d0f0aea41977d93ade3835214bba92f 374fcc5868cfb82871241a468a262069 6a8b84e0493aef83ee9bffb0cd313282 d60e7e75cb0a4895f4d2c2b0c628776a 6106d77638e61caa27f34b727875f353 f6d080e2ebce125da1b27d2c5d111f6d d5c8899c35ea478ae153614bab578a98 5a1d85cb28116b7a 

Explanation

  1. Read the length. 656 hex characters = 64 × 10 + 16, i.e. N = 10 GUIDs encrypted with 3DES plus one 8-byte padding block. Every post-cutover filler post has exactly this shape.
  2. Key unknown. The post-cutover key (2013-10-16 onwards) has not been found, so the GUIDs themselves cannot be read. Everything else about the post is accounted for.
  3. Explain the count. This post is draw 92 of Run 71 (seed 1,220,915,585): new Random(1220915585), Next(10,24) per post. The RNG predicts N = 10; the post has N = 10 ✓. The seed is the machine's uptime in ms when the app started (boot 2015-11-17 20:51–21:51).
  4. Conclusion. Filler. Structure and count are explained; the GUIDs are presumed filler like every decrypted post before the cutover.