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Home
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CTF events
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MMA CTF 1st 2015
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Tasks
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Smart Cipher System
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Writeup
Smart Cipher System
by
MFK
Tags:
ciphertexts
mma
crypto
Rating:
Decrypt 4 flags.
36 36 2a 64 4b 4b 4a 21 1e 4b 1f 20 1f 21 4d 4b 1b 1d 19 4f 21 4c 1d 4a 4e 1c 4c 1b 22 4f 22 22 1b 21 4c 20 1d 4f 1f 4c 4a 19 22 1a 66
http://bow.chal.mmactf.link/~scs/crypt2.cgi
e3 e3 83 21 33 96 23 43 ef 9a 9a 05 18 c7 23 07 07 07 c7 9a 04 33 23 07 23 ef 12 c7 04 96 43 23 23 18 04 04 05 c7 fb 18 96 43 ef 43 ff
http://bow.chal.mmactf.link/~scs/crypt4.cgi
60 00 0c 3a 1e 52 02 53 02 51 0c 5d 56 51 5a 5f 5f 5a 51 00 05 53 56 0a 5e 00 52 05 03 51 50 55 03 04 52 04 0f 0f 54 52 57 03 52 04 4e
http://bow.chal.mmactf.link/~scs/crypt5.cgi
62 a9 6c 28 0e 33 31 c6 68 cd 66 66 59 46 cc 53 0c 98 31 65 c6 35 c9 a9 60 4e 37 b0 33 46 0d 60 46 26 66 33 cc e6 a9 f6 6c 07 2b 23 af
http://bow.chal.mmactf.link/~scs/crypt6.cgi
Original writeup
(http://nnguwriteups.blogspot.ru/2015/09/smart-cipher-system.html).
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