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wu :: forums    riddles    easy (Moderators: SMQ, Grimbal, william wu, towr, ThudnBlunder, Icarus, Eigenray)    Can you decrypt this? « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: Can you decrypt this?  (Read 630 times) Grimbal wu::riddles Moderator Uberpuzzler     Gender: Posts: 7527 Can you decrypt this?   « on: Nov 4th, 2004, 8:26am » Quote Modify V tvir hc.  Guvf vf gbb qvssvphyg.  V pna abg qrpelcg gung. IP Logged John_Gaughan Uberpuzzler Behold, the power of cheese!     Gender: Posts: 767 Re: Can you decrypt this?   « Reply #1 on: Nov 4th, 2004, 12:36pm » Quote Modify I give up.   :: ROT13 is too difficult to decode :: IP Logged x = (0x2B | ~0x2B) x == the_question Emul P Edmon Newbie     Gender: Posts: 21 Re: Can you decrypt this?   « Reply #2 on: Nov 5th, 2004, 6:55pm » Quote Modify I give up.  This is too difficult.  I can not decrypd that.   IP Logged Noke Lieu Uberpuzzler pen... paper... let's go! (and bit of plastic)     Gender: Posts: 1884 Re: Can you decrypt this?   « Reply #3 on: Nov 15th, 2004, 9:59pm » Quote Modify I don't know encryptions very well, but I do know Grimbal's sense of fair play. Maybe it changed whilst I was away, but I don't reckon grimbal would be so... flat... as to do something so unreasonable. Would you? IP Logged a shade of wit and the art of farce. Sir Col Uberpuzzler impudens simia et macrologus profundus fabulae     Gender: Posts: 1825 Re: Can you decrypt this?   « Reply #4 on: Nov 16th, 2004, 10:36am » Quote Modify Noke Lieu, you may find the following online javascript utility helpful. http://tools.geht.net/rot13.html IP Logged mathschallenge.net / projecteuler.net Noke Lieu Uberpuzzler pen... paper... let's go! (and bit of plastic)     Gender: Posts: 1884 Re: Can you decrypt this?   « Reply #5 on: Nov 18th, 2004, 3:00pm » Quote Modify ahhh, thanks Sir Col. DEFINATELY out of practice for here...   How do you spot the difference between encryptions? Sure, that's half of an encryption, not letting someone crack it, but are there recognised short cuts for finding the sort of encryption it is? IP Logged a shade of wit and the art of farce. Sir Col Uberpuzzler impudens simia et macrologus profundus fabulae     Gender: Posts: 1825 Re: Can you decrypt this?   « Reply #6 on: Nov 18th, 2004, 3:31pm » Quote Modify ROT13 (rotate 13), is a well known encryption method that is especially useful because encrypting for a second time restores the original message.   I wrote a couple of FAQs on my website that introduce the basics for "code breaking" that may interest you. The short articles link from this page: http://mathschallenge.net/index.php?section=faq&ref=library/cb/intro duction IP Logged mathschallenge.net / projecteuler.net John_Gaughan Uberpuzzler Behold, the power of cheese!     Gender: Posts: 767 Re: Can you decrypt this?   « Reply #7 on: Nov 18th, 2004, 9:48pm » Quote Modify ROT13 is not really an encryption method because it possesses none of the qualities of a cryptographic system by today's standards.   What it can do, however, is garble text in a public setting. This can, for example, stop spam bots from harvesting meaningful email addresses.   I have an online ROT13 filter on my website. All it does is use PHP's built-in function, but it is convenient to have in case someone like Grimbal tries to trick you IP Logged x = (0x2B | ~0x2B) x == the_question Grimbal wu::riddles Moderator Uberpuzzler     Gender: Posts: 7527 Re: Can you decrypt this?   « Reply #8 on: Nov 19th, 2004, 6:35am » Quote Modify Rot13 was also used as a spoiler protection, the way we use the hide tag here.  You would see there is something that you might not want to read by accident.  News readers like rn had a rot13 function included. IP Logged John_Gaughan Uberpuzzler Behold, the power of cheese!     Gender: Posts: 767 Re: Can you decrypt this?   « Reply #9 on: Nov 19th, 2004, 4:09pm » Quote Modify I think Firefox has an extension for ROT13 as well. That could actually be useful IP Logged x = (0x2B | ~0x2B) x == the_question TimMann Senior Riddler     Gender: Posts: 330 Re: Can you decrypt this?   « Reply #10 on: Nov 20th, 2004, 10:37am » Quote Modify If you're running Linux (or any other Unix-like system), you'll have the venerable "tr" program.  This command line will do rot13:   tr a-zA-Z n-za-mN-ZA-M IP Logged http://tim-mann.org/ Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------=> easy   - medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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