201303241159 1aw53z

explained decrypted filler

seed 566

Metadata

Post ID: 1aw53z
Title: 201303241159 → 2013-03-24 11:59 on A858's clock
Posted (UTC): 2013-03-24 01:59:59
Timezone: UTC+10 · title 11:59 against posted 01:59 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(A858DE45F56D9BC9201303241159) = 2074372faff89f95da8ce155e811d8fc (name+title)
GUIDs: 60
Filler GUID seed: new Random(566).Next(9) ✓ verified
Run: Run 43 (seed 120,022,078) (seed)
Draw: 7 · predicted N = 60 ✓
Machine boot: 2013-03-21 09:44–10:39 (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)

918C03450CF81C8B 17D81D6F4E32EF6E 92D0613E41E9709A 29AE56F34C4DADFA D23D7B257454BA85 1A83B005E8C8F226 BB3BE4B5545DF24C FB8911DB2BEED951 0DBF651107239ECC A1E794E8170A86AB EAB8B252492F28B7 4ABBE1DCE84F23ED 1E0FE10D7CC9D097 D633E869FC4FCAE6 3614C12AB2EE9351 482412BEB3796325 5E754B8B290358FC 9F94D6C8D1459475 803D8782311CD264 BC467976AF480F08 CEE770E1E01FD893 101AE799D481619F 4050825EA8F12241 38D27518A158D7A6 1E9CF76E5CA3B84F 0ED06AA3A163F6CB 8B7163AB86ECB8D9 17D982D2E09A9C42 4ED962FF2B076D52 9CB76129FC051F52 7AE0A414EC007590 ADE15F0B6AD58C98 F0E79D35811EB1D1 1AA0695345B13A9F F986DEFA9082B952 60B1AD82E63C272F F181F5BF446B8B79 B73CB5C5CD013F76 D2DD0B19017EE69E B853C3C00C1A52D3 08C57AAA50222787 2DEFB881624EC389 592C913D8F6AA81D 2A7DFE0D2BBE00E5 4AC1ADE6222DA2BA 3251798FBEE3BF6F F0657EE586579EBC 1D527FC666951BA1 A60CEF2542315C4C 81CC48BD33E33F63 18B33FBD7980A626 4114A5AC92B8EAEA 75B8295826E9A7D0 F3202C834D3EECF7 5B8EB1256A22DA84 258B359866606129 456AEFC9C1E3C8DE C1EA32C381643FFC 6BFA36585C6F2D3D 3681212FBEA43B5B EB2033615C4145CD 1078D48C15D5000B D34C511049D9963E E65AD46792AD4618 AF79F09460E0836C CC056F0719C0E95C 3152D88A7DB7B89B EC2C87E91B719AD8 B66DA28BF4247EC2 4A20F469FD3078BD 4A56174A32DF8219 2932F6D36FD68FE9 B7C96516223928E0 AE236AC6D9F1A4E4 1B89B434BBD42CD1 9EEC71EB68E64715 018F47FA9BDBC252 BF6EAF2072EBC34F 19C1F51FAB31FC8A 22170246FC485A16 3D1C4A40624CB146 4F5152AD83E1B65E 13977CE8FF1531DA D8D926AA5C10B986 F4B6EA2DA716FE5E B9574E3CC8D64C11 2AD107F96A952DB5 BA078E3B3FBE6F69 1F356DCE233676D9 F737D5F05279772C C68DC461774AB745 2FB5B0B5A91CA64A 33811A046B7D3621 11139AAD749C6805 C954736C3E8DC9F0 2CE47B1CC9C27FB0 948FC00B558D5942 30A6E0792412F845 09100E7895AD162D E4F9F87B894AF117 037A3998D34958B1 32F183BC96FBD77E BE6103DA58ED5733 0CE8A139236F2817 568421181F7E47AD CD5E82BB95FABEB2 C3D57D3B042BCE7C B26931F2C390DF9E B2F02771D158BAE5 4C3C286AAA62CCC1 977A2B08799F7B49 B8E270DD023B3B89 0132AC2413B1AEF1 77A05860D62CC87D 0DA46890FC8F6D76 FD65570894B9F241 11FCB897D7C9E692 6DEF055242910B7C CE93A4E64B15C0AC 872D2282B9072C9A 561BE1AE25E22ADB 7BDF6E3BB02C4354 6B3DED6A30255BE5 E6E03806B1695886 CC739EFFCEB8F806 9D2CE860C15C962B 0640FF83A0EC737C ADBB927F598AF5A5 D698FD6A1F64BFB0 8C77CF875BB1CB14 6B704C204C45EE86 73E0092EA784EE2E A90C284B06A881CF 332F21468CC23E4F A28135790402A232 4ABA94CC5401A33B 80EC6AAE8C9CD9E5 A267CB109EF19B26 1DE615A8F89C0282 350AE9EDE17F4EC8 1AA307887EB93D37 F9C4EEF6D645D80D FF23ACBD61BFEA05 F29F9E1149B73A69 EECDDB09210DF028 9C05F52BAEEB5CFD 5B1850A64AA3F9FF ECB9982C3DEC2936 D714CF3679469F21 C40DA5EE44950C58 4D37F3B04B1806BF B4C235C45739B768 D397EA01682AF7DD 44FEC55B9A543DC6 CCAA8BCB665730B0 66165305D95F47AB A20A7784A9CA41EF 0FB2F5A754735DC8 FD0AA056306EF840 D19BF49F923AFD26 0079088978E0ED3E B2BE3E8F7146503D CE78E43733DE5D68 AF2ED03BD7E96C66 EBBACA1D8DD13419 4CAC85C04FB97847 7F356E927CED3B70 EDD49726BB2E2CD8 BEF16A06D3E6BA91 924CE27C4EA26052 3BE22B97BDF00F4E 4E37470C8A123754 F34CD9507C950422 95421084B5DC1220 1161B9DA13AF36B9 F3B47B2F643757ED DC12DA96C4C3D9F3 84B8A7E38C6EADC8 FEE74E4979BE3140 EA81F4EC77AF74B9 0104CD6241A18F71 0B2BD417AA19B828 775DCBCC3F6B5FB0 0D2059515D8F046C C7B986A42E6AF987 35DAC33B4DFADF5A B503CC6EA493AF4B 64E23212C8F2EDF6 16874D56EE32CA1F 83001F0528593E44 20F72B4C1DCEACB6 E310E234927613EE 1980F48F34C72F54 3AFEE0695029F5A2 C3FE3FE405EFDFCB 4A641991208686A2 3C19BE22DFCAA1F4 62DE9890F2713C7A 32D490E05DFCA12E B6D057BC5BD923B0 7F30C631EE9BC451 238665777B1324F5 2D5459C6F26C2814 BCBA747C6F336E55 C8FC679D008A7635 6E79BD785FF03C4A 68D4AA630ECD4AB3 D5C06AA9E15BE719 7846E3A1B608C999 DE32F3FE09011C9B 36C91B79DCE8D46F DEA882DCC9DD1573 E4BAD177506B8D46 C099B29E554400A6 C36A572DD43CC249 0E5E432C9A87D94D D4324C4E495E67A0 FEBC8F1E46EBBB36 2A648B9DC48C8B77 342BE678362E1615 AA9E54887C9BC431 51F5C05EE4555283 CA97E33B1EAC9E60 1B5F1E7D944BEF91 5E1468A6760FA86D 34A96723052191A1 6664568EBB97DDA4 BB49F09BAA4084A4 D3870648CD320B3F AF07F4457FC37307 017E6D1EFD2D7142 98C05623D2DF270A EEFC96F0633DA225 5C69A8D592D40567 5B25A16934DB9C50 6626FE37A847E065 693151690E03A14D BC529BC124E39B6D B992D844DE517996 D411FBEA991345B1 421C9B8C6492415A

Read the ciphertext. Strip whitespace: 3,856 hex characters = 1,928 bytes = 241 8-byte 3DES blocks.
Derive the key. Password = A858DE45F56D9BC9201303241159 (name+title). Key = MD5(password) = 2074372faff89f95da8ce155e811d8fc, 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 a8ea4dc4-aea2-3c38-a6bd-1d93bb59ea0d
  2 cf859e70-68e8-8d1e-83c7-97e093f04264
  3 3a0ea954-fa70-3350-97dc-59f4f1f43b30
  4 9768727c-9fc3-3ab9-a25a-79b26cec4c98
  5 475ea5b5-8d56-6af0-ac8c-93fd12e0fb94
  6 dfed7cac-ffc6-1aa8-8904-ea371c654044
  7 6ade0456-3063-4bcb-b2ea-63e70fa47fbe
  8 0425425d-6cb8-317c-9d26-6fbcaf0f7714
  9 b699d841-93d5-043c-9be7-ea019dd35661
 10 9371c49e-2cef-8d40-93f8-39bc46464391
 11 53d41427-f2cc-24b4-a5b8-a0cea7e02d99
 12 89159b92-4650-3dad-a064-f1091d767a06
 13 5912c8fb-784a-6fb7-ac88-2a40ff7896db
 14 0a930310-0605-8869-b8f2-32067e5ee0ea
 15 11de4a0a-595e-1f24-8696-6760a6b32655
 16 b7c69304-9fc0-49a5-b949-1e02c8197f95
 17 6dacce3f-9f12-7a60-8e73-33e170e06a06
 18 ae22d829-5a86-8360-8b6c-93af4c5cfa41
 19 beb3f6f5-ceba-8946-854b-6ea688f988bd
 20 7678ba71-aa0f-4166-b266-6d6a55f79d39
 21 88b3a2c0-140c-0852-8f1b-f50fc967304f
 22 a3626553-8a06-6f43-ae0d-7ef217f0fca8
 23 00d124ee-9d33-5f47-9f23-0d2d3178545f
 24 854dee4b-eac0-65b1-a50f-b88364636deb
 25 048c4617-d5df-15dd-9d2d-c2d06169fa2d
 26 9a7594e9-1ef3-58f3-8b24-495a200a0338
 27 d5161eed-2f9e-5912-9d8c-95d127fb39e2
 28 deea1ca8-fc84-387a-adc7-465d557d298f
 29 9c6a74e3-0e2c-76ae-a69d-e91857720fce
 30 8b63e680-7de9-8264-b108-0563e4384392
 31 97b467f8-2dac-1488-9ef8-1662dc3faf8e
 32 c370172e-f41e-43d3-bbf6-5d55761c7a7a
 33 6fbeb15a-185b-8ef9-82dc-7eef1e4c238a
 34 d38e9b05-851b-132d-8335-782bff2e1e18
 35 de9760b5-0efb-2508-8ab0-92b909f5fc06
 36 dd5d2555-d397-2645-8531-34e1a840c5fc
 37 fa93163b-b50c-7eef-ba70-35eccf435163
 38 ba8fbc78-6139-0d3e-97d6-efe1694e9953
 39 925c7b9f-6ab9-2b9a-95c5-5b95c2d240b2
 40 b8d77c14-d76b-3762-91ef-28f9ccad194a
 41 8cf21d14-c669-0e38-88c2-cd15494ba66e
 42 b683c101-b7c3-874b-993f-e9161369c82d
 43 f3482199-6efb-801a-8577-b15d8b03fd61
 44 35c13f46-af2c-253a-9e6b-41d72bb6ec6f
 45 f25c4050-5ab3-228e-98a4-75ec8ca9f790
 46 daefcb70-74f8-2707-92e3-22033a0b32d2
 47 4b4c7239-a0c4-882b-995e-0d63aa8fc446
 48 17bd7f57-d5d2-2ecf-bc23-c1ec36bccdb8
 49 0e5219f0-6f81-3c43-b419-4b54bada89cf
 50 f59de83a-c3a6-042c-a333-9e211687ed92
 51 f7e7b410-caef-1204-9e28-22ec930bb1cf
 52 456451ec-e0db-77b1-a6b2-391d2bdca8dc
 53 d9c22ad7-5226-8d38-a3ac-2e97e4787439
 54 bdca5488-b457-7548-8c6d-d225a965c52c
 55 6ddb567c-8e73-4a0f-9408-26df5a1d2eb5
 56 20fec9c0-0700-6fed-ad7e-fa5eb12db781
 57 50e7b95c-3c46-27ab-8fcc-71a89f2dbc1d
 58 49763aad-4101-5197-ab29-b23efe2c9025
 59 4831bf30-dce5-1c1d-ba11-f3dee8deeae2
 60 d63081e6-982b-1dba-9842-65bab484b006

Explanation

Explain the mask digits. The version nibble (13th hex digit) of each GUID, read in order, gives 383361430823681478840656155378148122702308822282301787462511. Exactly this sequence comes out of new Random(566).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 7 of Run 43 (seed 120,022,078): new Random(120022078), 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 2013-03-21 09:44–10:39).
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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