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DeadpoolAndObjectOrientedProgramming / icectf-2016

IceCTF 2016 repo
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Stage 3 - Round Rabins! #38

Open ikornaselur opened 8 years ago

ikornaselur commented 8 years ago

Description

John gave up on RSA and moved to Rabin. ...he still did it wrong though flag.txt. What a box!

Solution

Flag is: ``

ikornaselur commented 8 years ago

"Round Rabin" is an encryption similar to RSA (IIRC).

The flag contents:

N=0x6b612825bd7972986b4c0ccb8ccb2fbcd25fffbadd57350d713f73b1e51ba9fc4a6ae862475efa3c9fe7dfb4c89b4f92e925ce8e8eb8af1c40c15d2d99ca61fcb018ad92656a738c8ecf95413aa63d1262325ae70530b964437a9f9b03efd90fb1effc5bfd60153abc5c5852f437d748d91935d20626e18cbffa24459d786601

c=0xd9d6345f4f961790abb7830d367bede431f91112d11aabe1ed311c7710f43b9b0d5331f71a1fccbfca71f739ee5be42c16c6b4de2a9cbee1d827878083acc04247c6e678d075520ec727ef047ed55457ba794cf1d650cbed5b12508a65d36e6bf729b2b13feb5ce3409d6116a97abcd3c44f136a5befcb434e934da16808b0b