JumpingLlama

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JumpingLlama
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  • @ngoctnq said: (Quote) I was confused. You are right. The base is 4, and Mod(4, 7*13).multiplicative_order() == 6, and the desired order is 6*12=72. When I examine the source in generic.py, as well as the pattern of which values of ord are acce…
  • Type your comment> @Artf7 said: (Quote) I'm not totally clear about what the ord parameter actually exists for, though-- doesn't sage automatically calculate it? edit: Ok nevermind, I think I figured out why one might want to do that (especially…
  • Type your comment> @HomeSen said: (Quote) forehead slap Thank you!! That's exactly the help I needed :) Edit: ...and, solved now. Nice challenge. If you google using the correct name of the attack, there is quite a "common" amount …
  • when I run: $ openssl x509 -in key1.pem -text -noout I get: unable to load certificate. 139729726211392:error:0909006C:PEM routines:get_name:no start line:../crypto/pem/pem_lib.c:745:Expecting: TRUSTED CERTIFICATE Also, some common python modules …
  • Creative challenge! Took me as long to get the socket methods correct, as it did to analyze the crypto, lol. This is basically a well-known crypto vulnerability, with a fun little twist. Feel free to PM for hints...
  • Oh man, this is my new favorite challenge. Thanks to ArtemisFY and jack0 for the nudges, and sampriti for creating it. I knew nothing about ECC or sage before starting this, and it was a very educational journey. Andrea Corbellini's blog has a goo…
  • Enjoyable, but it still felt like homework for some reason :D PIL + bash script, sit back and wait a minute. Feel free to PM for nudges or coding help
  • Got it, annoyingly I had to use python2 instead of python3. I was trying to use the qrtools module, but for some reason I don't understand, python3 couldn't find the qrtools.QR() class >:( (using linux mint tessa) but python2 had no problems. …
  • Several fun, easy problems linked together, with nice variety. if your popular wordlist isn't working, it's not your wordlist's fault... you should switch something else instead! Feel free to PM for any hints.
  • Update: 60 hours later, 6773 queries, got the flag! I'm Puzzled as to why my routine used so few queries compared to other reports though. Feel free to PM for help.
  • Oh man, part 2 is taking so long on my old quad 5i laptop 1.7ghz. Can any solvers tell me how many hours did it take them on various speed machines? After about 7 hours my test s is around 10^140, at 3500 queries, it's going to take days to get the…
  • Type your comment> @0xmuhammed said: (Quote) Best hint on here, taught me what I needed to know to solve it. And lots of fun. Feel free to PM for nudges.
  • Type your comment> @JumpingLlama said: (Quote) Thanks to Kucharskov for helping me with the first part. I am learning a lot, working on the second part! Edit- got the flag. To answer my own question, I do not think this is "classical&quo…
  • Must ask... is this true stego, or more like a really obscure crypto problem? Not griping, it just changes my approach to the problem. Thanks!
  • Well, I used the correct tool (version 7.0 free) and with one very trivial tweak to the preferences, the flag literally just popped up when I ran the program. Using linux, I had no need to install qwingraph or any other additional software. This …
  • Got the flag using s*******e for the next-to-last step. But not before I struggled and gave up on using a different tool. Can anyone kindly show me if there's a way to manually extract the same info with GIMP? Or, perhaps explain to me exactly wh…
  • Wow, this one really challenged me. I couldn't get the T****n utility to work right, but I had the "audacity" to try to decode it manually and lolz it worked! Learned a lot from this one.
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