201112272111 nt82j

solved decrypted manual

ASCII fireworks and 'Happy New Year 2001'. 3DES, key MD5(0000DE45).

Metadata

Post ID: nt82j
Title: 201112272111 → 2011-12-27 21:11 on A858's clock
Posted (UTC): 2011-12-28 05:07:23
Timezone: UTC−8 · title 21:11 against posted 05:07 UTC
Author: [deleted]
Account: A858DE45F56D9BC9 main account
Subreddit: r/A858DE45F56D9BC9 the main subreddit
Category: S solved special
Content: Seasonal greetings and ASCII art
Size: 3,808 hex characters · 1,904 bytes
Cipher: 3DES-EDE2 (two-key Triple DES), ECB, PKCS7
Key: MD5(0000DE45) = 68c0bf44a604433c859df970a4a29f72 (sidebar value)
Sources: arctic-shift · body from arctic-shift
Links: Reddit · Arctic Shift · JSON
Score · comments: 25 · 14
Tags: pre-automation2011Solved special postmanualarctic-onlykey: sidebar valueseasonal greetings and ascii art

From the post to its content

As posted (encrypted)

91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 2825FAC2635F121E 91D1BC66AC9C1B12 91D1BC66AC9C1B12 FC4852012FE5FC42 91D1BC66AC9C1B12 91D1BC66AC9C1B12 C2A0410C42603D84 814701CB32C00373 91D1BC66AC9C1B12 91D1BC66AC9C1B12 DFFD9CA02137FDA3 C0C838A9CD06A940 91D1BC66AC9C1B12 91D1BC66AC9C1B12 4D2188E5B5EB4248 A86739A8CB31CCEB 91D1BC66AC9C1B12 20546F3DC616E0A1 91D1BC66AC9C1B12 91D1BC66AC9C1B12 E090F11468328EC4 3CF3BDDA7C9DC85E 9810FCC3861F0C8F 91D1BC66AC9C1B12 74F64361370C3A80 AD60B696A6D4F798 9810FCC3861F0C8F 91D1BC66AC9C1B12 91D1BC66AC9C1B12 3519624C2024FC44 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 C356FD1FCE04A79D 098616F6EE2ED945 91D1BC66AC9C1B12 91D1BC66AC9C1B12 E53E87EE53952886 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 DABAD03D557D1B92 91D1BC66AC9C1B12 91D1BC66AC9C1B12 B4F4935E2C1E91EC 2FFD1508A5822520 91D1BC66AC9C1B12 91D1BC66AC9C1B12 20546F3DC616E0A1 91D1BC66AC9C1B12 91D1BC66AC9C1B12 1D0B9631887E5274 308013F75DB63999 1114518DA5847DB1 E579B57BB2E84616 E53E87EE53952886 1788015CF01E23AC 91D1BC66AC9C1B12 39CF5A869D542B4E B333625E13DF1C35 0A0990768F4137B2 9359012E3D21973E D1A897EF52457632 27AA2E1CCBB2825A 91D1BC66AC9C1B12 91D1BC66AC9C1B12 23F913FE7B83AFEC 6E59529415487D20 B7A3818168797762 B889D3798178CD8D 779C3443D6EF0171 91D1BC66AC9C1B12 91D1BC66AC9C1B12 6A170CAF7EF0F119 249CB0FB48B8A889 2F6A527F2BE5FF8A 46D23EEEC2306D1E EC68436FD905C3B0 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 36A2BBD12DAF96CB 8554E94CDFCD221F 00ED79B52A68E0C0 1788015CF01E23AC 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 D79E8BF02FB960D1 3E570735AB954149 969A152D8FAAE3E6 D7CFEB6BDC79CF37 ACCDE216FB874CD0 69F2FC10BFFEAAE4 91D1BC66AC9C1B12 91D1BC66AC9C1B12 D00EB83867E38970 6F187A03721112F7 91D1BC66AC9C1B12 A3247B5D21C47325 9810FCC3861F0C8F B4F4935E2C1E91EC 2FFD1508A5822520 91D1BC66AC9C1B12 91D1BC66AC9C1B12 369C24623D0D4434 1B96044B6C7DBCE9 91D1BC66AC9C1B12 DABAD03D557D1B92 91D1BC66AC9C1B12 753FEEF20525869C 02039C1F47CB5CFB 7EBEB842769090B3 3A2342FC76CEB213 5E15027CF762AB7B 8E00D50A96A71ABB 206205FC6450F67D 0413541CC992698C 020A2194129AEEA9 F7497D1740E745CD 78E29E5AEBB802DB 3D9FEF8BC8BDFB4B 82DB847AEA6126F6 116AB2F9683C82DC A33B07D5E5A744F0 DBC8B5F2A31256D0 91D1BC66AC9C1B12 FABA215F9588FF5A 5555A896B680AD1A 346FF8042F88EE75 878D0531463FB2B4 DF89BC9E1D3C758A 46F91CCBFC82D06C CD0AB75AD56427B8 6F7209163C2B147F 47FBF394B7A9807E C6E456E4F0F8A864 FF6AF15E57B2CB98 8F1A64A77D0DC5C4 91D1BC66AC9C1B12 8469C26A87FAE848 3096A0F6E357E9AD 8964836B9836357A 1DBB063A2053D32E 60A7243B24056AD5 121A1629257F092A 4759E669E281AC92 6EC2D7B0E03BDE2F 8EF56C7A29EE347B 47B56CA426C25AF5 5C34D0D6CA387490 25EC6C83E0A23AF8 CC5B4B2A9569C0FF 3D9009F4D72A2E04 9E43533A2C6877F4 5DA8EBEB35E0E4A0 F6BD58C9BC355C3B 23B28EB2300E8D49 C43B03179A667A7E 5DA8EBEB35E0E4A0 AF248B320CA92064 7E1194126B5BFC80 34AF61C1502EE6A7 294C6C895EF13DC8 9AA670C37CB564C4 5A4F9FA0B791C4DB 905D4B72A5A04367 9965CB9138E04B22 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 2825FAC2635F121E 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 10C17BF006D06029 9810FCC3861F0C8F 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 EEADC0BE2BDA4A0B 0613925A43772AD4 1788015CF01E23AC 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 776C60D8406FC788 3C67DE3710E1BD13 7E422B30E8B78153 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D7153742C3187C EB9BEA9481C1F0C7 78B9A3A1369D681E 91D1BC66AC9C1B12 BB3745D462CA405C 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 67B7E129956DAB9A 8425867F0C7BF221 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 F371B9B7444A177C B77C2019ACCC9E72 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 B3759F5C1E3F54FE 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 91D1BC66AC9C1B12 C356FD1FCE04A79D B8E2094F11A6892B

Derive the key. Password = 0000DE45 (sidebar value); key = MD5(password) = 68c0bf44a604433c859df970a4a29f72, used as a two-key 3DES key.
Decrypt. 3DES-EDE2 in ECB mode, then strip the PKCS7 padding.

Decrypted

                        . 
                         |
                     \   *  ./
                    .  * * * .
                   -=*  POP! *=-              
                   .  .* * *  .
                    /    *  .\
                         |  
                         .     


                      _   _                             
                     ( ) ( )                            
                     | |_| |   _ _  _ _    _ _    _   _ 
                     |  _  | /'_` )( '_`\ ( '_`\ ( ) ( )
                     | | | |( (_| || (_) )| (_) )| (_) |
                     (_) (_)`\__,_)| ,__/'| ,__/'`\__, |
                                   | |    | |    ( )_| |
                                   (_)    (_)    `\___/'
           _   _                          _     _                  
          ( ) ( )                        ( )   ( )                 
          | `\| |   __   _   _   _       `\`\_/'/'__     _ _  _ __ 
          | , ` | /'__`\( ) ( ) ( )        `\ /'/'__`\ /'_` )( '__)
          | |`\ |(  ___/| \_/ \_/ |         | |(  ___/( (_| || |   
          (_) (_)`\____)`\___x___/'         (_)`\____)`\__,_)(_)   

			   __     __     __      _ 
			 /'__`\ /' _`\ /' _`\  /' )
			(_)  ) )| ( ) || ( ) |(_, |
			   /' / | | | || | | |  | |
			 /' /( )| (_) || (_) |  | |
			(_____/'`\___/'`\___/'  (_)

                                                  . 
                                                  |
                                              \   *  ./
                                             .  * * * .
                                            -=*  POP! *=-              
                                            .  .* * *  .
                                             /    *  .\
                                                  |  
                                                  .

Explanation

Solution summary

Method: 3DES-ECB, key MD5(0000DE45) (sidebar value)
Result: ASCII fireworks, 'Happy New Year 2001'
Explanation: Community key; recovered
Re-checked: 3DES MD5("0000DE45") -> fireworks

Metadata

From the post to its content

As posted (encrypted)

Decrypted

Explanation

Solution summary

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