201301261659 17be99

explained decrypted filler

seed 30

Metadata

Post ID: 17be99
Title: 201301261659 → 2013-01-26 16:59 on A858's clock
Posted (UTC): 2013-01-26 14:59:54
Timezone: UTC+2 · title 16:59 against posted 14:59 UTC
Author: [deleted]
Account: A858DE45F56D9BC9 main account
Subreddit: r/A858DE45F56D9BC9 the main subreddit
Category: F3 filler: 3DES(name/title) → GUID list, seed known
Size: 3,856 hex characters · 1,928 bytes
Cipher: 3DES-EDE2 (two-key Triple DES), ECB, PKCS7
Key: MD5(A858DE45F56D9BC9201301261659) = 2bcd3d081a486c86071e20652b193ae1 (name+title)
GUIDs: 60
Filler GUID seed: new Random(30).Next(9) ✓ verified
Run: Run 40 (seed 1,069,639,703) (seed)
Draw: 5 · predicted N = 60 ✓
Machine boot: 2013-01-09 05:52–05:52 (seed = uptime at app start)
Sources: community-archive, arctic-shift · body from community-archive
Links: Reddit · Arctic Shift · JSON
Score · comments: 0 · 0
Tags: automated (decryptable)2013Encrypted masked GUID listkey: name+titlerun: seed

From the post to its content

As posted (encrypted)

E6E33DAB5F005AA2 18E9DA5CA433170F 47CCB9D160F32596 6E696A0AF620C8F5 47EE2C1B9C3C060D AF335D61DACEDE18 93A9902A4BDAB603 1F8D9A38CABBF7D9 AB46CF1B0A64159C 17665D4BC901ADA8 CA4CE97E8E5BB8BB 0BBCF4FE3B48F233 1890D0322BC8AE1B 6F9049BB103433FF 3D06C4DBE869EC61 C10D68F91948046A 72E86FEF76CEA8F5 D6D858FCF51310B3 32D6F2BCACE36B3C A02DC6AFD5CEAE2F F59B9A293CC0F0FA C5605F03CA204395 8344190037A80B90 BD3A66E8E4757892 8D0FBE65A77061E0 31737F45C9084980 B46BE94E4FCB09E0 51C01FBA6BECCB26 030851D33E0D40F7 A5CD3609726A07D5 A96299449D76C754 206C3C5C6DF8CD1C DE3F111448A85B7D 066E4BD955C03E8A 9A504929849DEC5C 29DC507BA28E8B53 A82C26E5666C4509 37A66D92ADB27B72 DD0EF77820D28DC0 FA21231E4DCB8BAC 288DB6217B6C317C 6F3B920B682E3F65 C0DBD4DF242C46F8 131AA8270E7E04A4 A98EA03859FEA37D 75754CE866578C5B F324D5B1E345E496 892D490B1B4300D9 6ACC889B2EFC36C2 7186CF1B025C307C CD5CE9F3AE2A333E 86FD00EECF2B3897 D6550E8FAC84F6FB B50D5355A8EC965A 70204B923000A1FE 883D529FB379CC27 32F7CD8BCD8FA95D E97149F7081E35E9 75184C678B8BDF62 02A9F935C01B8684 D8A29139D1645F92 463851BBD0306E3D 78FE835DE0903913 DEADA036F1F7E2B1 6F9EF79FE040BCA2 765996CE09288F1A 78E61EB75A99E9F2 1386FF6D9B6A6F97 4035EB28DE3AF7D4 6F5EFC850B88A50B 5D8A7F200D379E22 FBD6C9DD114F3AE1 7A8C4347785A8294 889DADD1CAAF6C90 C3872CB286B6D854 93A058CABAD04EAA F122A40429E7350E BA0AA382A4A13952 72F677D6DA5591F9 D238B7A123CEA6D6 EDF095A04E997AE6 64E3F9DC3E810C98 F54C68A4E0B98FF9 A41DFCA77FF83346 7D4F4F0139C13EFD 6613BF6CEEE498D5 A2997E9C78B26CF0 2CEF3EBA3AC2D1C5 EBC2373CDF563E29 EA7E582AE418A09E 3937DE2FE8E6B486 034FCA0951C20DA8 0BBFF098B33D164C 27FE4FE77F20C387 A95A8E6A457A4E88 BB2CB4803F39D11A 7BA928F82A448899 AB42E39558F61043 2300AA07F5EC4786 83F66A085C9613CC 4C639E8696CAB2CA 685217181F89ADB6 A4D56B74324F25CD 0157833953005B7C 9C5CCB136EFC1349 992DD80D93CFEE66 E8F99623557BF728 6D39931B003FFDD7 21F98C22469F8166 728340653997B6AB 142D27AA7CEA6E74 868412D1BFAC412A 066D01684913877F 20B7B9790A17454E C21B818836FB6858 2212E899FE483A07 0FC6AEF87FA8888A C5443AA0EFDBC873 264C66CEEA5822F0 C85B8F08E86472D1 B53E91801B8A3499 81A92524A72E98CD 94F33A62C0481175 10F5472C75DF898D DC8746C8576CBEA6 D6392781795C395B 175B46A9AD200760 7856722EF54A7EB9 D05AF139D6261B53 D533942C7B07D1E6 1CBD03CC5B30248A 3627D25826163A9A B6268B6BDBA42A56 9E89860C1C503799 F7D87309B00E2E51 1EBAEC181845B595 E17B57B790D92488 A2517F9CBCD35DCE 5F92D748C544DD3B 41A73F1870AB35CA 9F86C8759AF4819B 838B71AE86021D30 64B5AD23CCE9B0F5 C27F813FEF6B4C7F 46A15676E215569A 5F66509FC5A371D5 8F21F5F32C377F3E 721F79FEE842CCF2 CA54BC6BB44C1538 A455CB9B1731EC86 30FC2D30931C2EF2 D7D71271C83A0CED 76DB6430524F3CC2 CB8D1712E929BFE4 91851829B5741590 10F892602B2146FB 3A8003F6F6980166 4911304BBA81FD12 A4DE472AF65D1A89 8F69D62A90C969C1 F889B83E284B3D71 D6EEB250A6BA4658 A1301A083C3E0741 F063EB28554E80CE 62492F27B058AF9B 2C51934F2D7C2B1D A876BA0BB055CEF3 1238A5B4DA2A76EB 001048FA366F817F C16F8E032CE4A4C5 5A62A2A5FB8134E0 956E47DE8B6DC8FC 73581F8B40C6AD8E EE49E974D588CEAA B0795DFB9208E9D2 EA0036C9D2E38723 CBCA65154CB4FF8F BF3E530D5C57020A BA3CD6B5BCD318BE D58ACEABBC1D74E1 6F4ACD55E421EAE7 839D8255FC322E15 1A547A62F641F8A2 FA89CE1C477A5A4E FB1138853BF51342 D36E67C029CD315E 4993A0EA18A2AB79 EF0E923C6AE7002E CFFF3170664D53A3 22FFE22830EEADB8 DB000EE554B4C39C 26617F52A5670E0A FC57334356333041 4A098678C517B8AD B7581140B0F996CD F4A0097864EF635C B66447DEDD0F8D02 05281E8472146A44 72348149DD50FD1C 61D63354AC245259 1F35C7C23F078CDE EC5074736100520F 804FFD1628E35AA4 7FC8D55215D9547A 59067AA865C650FD B356FF8E629C1321 3C977E5214ADB5B3 DE0CE03FB5F6480C 7425898EF36822CB EB4C903254D09A8F C603EF888ECE31C4 E07B7501A9347A3F 86AAAAB137854945 6F5B6BD0EFE7C15D CEADF6DAA87C4F36 BF43F06413E45430 9573AFA75C0B06B8 EAD049FD109C1EAA 95AE4D7266FE0264 10B0C3DDF074C873 6BF274B6A4FC984F 60FA956C38289306 7C2C8ECEA335667A 162AAB5184B05DD1 32D3EEE5B2D63925 59385CB17B43ADB9 B2482A0F9DA9ED13 03B2B5DFEED20923 2727B04154F1C9FD 52D13B8FD66D7A94 A529D6EE2600FB5E C2BC98552A3C8012 702AB973A858BFB0 643D78D42ED231C4 55A0FA734B3C332A E42536ABC51E90BB 23F6DFB9B11DC656 7F3A9F93152DC8EA FF7C529B05E3F7BF A6DD0AF60FE04D9E 53856541122F8E17

Read the ciphertext. Strip whitespace: 3,856 hex characters = 1,928 bytes = 241 8-byte 3DES blocks.
Derive the key. Password = A858DE45F56D9BC9201301261659 (name+title). Key = MD5(password) = 2bcd3d081a486c86071e20652b193ae1, used as a two-key 3DES key.
Decrypt. 3DES-EDE2 in ECB mode, then strip the PKCS7 padding. The plaintext is 60 GUIDs as hex (shown below).

Decrypted: GUID list

  1 b94e427e-968b-350a-972e-0567f00d55ba
  2 f7d6830d-ac02-5299-8c03-fbbfebbe6236
  3 240dc842-5cde-66eb-a7ca-b16366c0523a
  4 65376863-22dd-83ff-ae7c-7927961ac57a
  5 39a3477d-32fc-6f65-b0e7-6ded0a176d32
  6 55e5732b-c29a-6d44-ba11-352d675e50ea
  7 025631af-3800-37c7-9267-58a4f0ce882a
  8 a3cea4b7-b0dd-40a4-bed3-e3b2e81f1d44
  9 84431d5b-584d-635e-a333-3ed91d6feb2c
 10 714bad01-1b37-3ee0-a0d3-51a4644e99a6
 11 74c8a720-2146-30fb-a540-b3a1ddc4aa5e
 12 1b2b6a00-8919-71e2-88fc-4e6d634e7e3f
 13 67865589-36b5-23e3-aae8-d81358df7f86
 14 5f3d843e-b555-0b7e-a5b0-fb1ab7d12e57
 15 4caf9402-1c88-8c43-8ed5-c6bd9b931b42
 16 d27007fa-c295-6977-899b-288a32c982da
 17 255143f2-bbb8-4407-b6bf-a05e67e92a1d
 18 41cc42f0-8948-5830-b1f5-86807a29309a
 19 095b973c-d7b3-4286-9aa6-88f7a8d97fb7
 20 0d8016c2-29a8-8bef-a00f-f85ec4777fb8
 21 39cc38d6-c69b-7551-84bb-f005b0586cfa
 22 38692359-3594-1a1d-a50d-1fd6230f3fb3
 23 fe2cab4d-8739-0f13-aef2-4ccd7c584d8a
 24 aca264b2-c708-4930-902b-dad033b135f9
 25 de9861ea-e611-5df9-b44f-c39f6e3d9d78
 26 01948042-7fa7-77b3-9934-f6656466b2bb
 27 586be528-6b26-64a5-bf10-fd04713f86e7
 28 6a730ebe-9080-2176-93a8-79da332c2b29
 29 7ea196ec-275a-70d4-89da-d569afb5cf76
 30 6d10b360-248b-2e24-9d9a-d71239779b83
 31 28282e78-9205-2f59-ae68-a772d7ce9bc2
 32 63a2a701-9b84-39e7-bb56-9797c2e93a88
 33 a5a1311e-b934-35d4-9408-f6b816c34caf
 34 aa4d10d1-a1b1-6f1e-b0ff-c185c7a86691
 35 9e7452e0-f531-1f8f-9340-984b4fcda970
 36 1459003a-0a39-0360-a15c-f3c9a5d4ef6a
 37 5c5dcdba-9b15-761d-b424-55a1c4fe9f92
 38 ab91f11a-4fe4-74fc-8ad2-cafff5df9809
 39 7938f16d-7864-4b7c-b376-a4809501486e
 40 22078f6c-fe05-8b5a-9d28-bbfe1f4e9df7
 41 0abdb06d-3558-46da-a11b-875634a97342
 42 0cb3c0e5-f302-0770-a799-8dec6e1ac984
 43 8672cbd7-45b9-29bc-94e2-974b4ac76439
 44 a5b8803b-3db6-6893-8eb1-3e548655dc09
 45 99cf17b2-35b6-626b-86b7-45c79fe62bcf
 46 afd39165-a236-1024-85a1-a44f69bc978b
 47 c94e3547-6a88-4cc1-87b8-7be17c4fb10f
 48 d16661c9-f644-80fc-81f5-db5067cdb38e
 49 8d3f9844-af4a-03a8-a5fd-113ad4472a5a
 50 ac4b3b60-975c-158c-8484-0e38a5ac2050
 51 20dc281c-3665-8dda-9294-d80e80d73854
 52 337df82e-d42b-2f23-858d-5284060aac20
 53 c4a09cd7-42f5-380d-8e3b-960275fe593c
 54 1e01846d-8811-5a88-b2c7-81a97670780f
 55 11f4854a-41ad-1409-9bd2-2911784af826
 56 677fbe9a-dd7f-1f99-852e-f2941e2dda44
 57 4722f417-ca7a-555f-86b3-317136357ea6
 58 1dd78a32-de55-2f1a-acdb-71b56c962d66
 59 97959515-a424-25c1-b1ce-742aebb39a39
 60 2abdebcd-1e15-8441-a035-5fa98b9e2e77

Explanation

Explain the mask digits. The version nibble (13th hex digit) of each GUID, read in order, gives 356866346337208645487104576272233610774840266148018235115228. Exactly this sequence comes out of new Random(30).Next(9): the per-post millisecond seed of the mask generator. The other 30 hex digits of each GUID are Guid.NewGuid() output and carry no message.
Explain the count. This post is draw 5 of Run 40 (seed 1,069,639,703): new Random(1069639703), 4·Next(8,16) per post. The RNG predicts N = 60; the post has N = 60 ✓. The seed is the machine's uptime in ms when the app started (boot 2013-01-09 05:52–05:52).
Conclusion. Filler. The content is fully explained by the two RNGs.

Metadata

From the post to its content

As posted (encrypted)

Decrypted: GUID list

Explanation

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