/r/bitcoin, /r/cryptocurrency - crypto applied to money./r/NSAleaks - Snowden documents and more./r/primitiveplayground - test your homebrew ciphers here./r/codes & /r/breakmycode - For cracking basic codes./r/compsci & /r/ComputerScience - Development and application of algorithms./r/security - General security subreddit.Other subreddits that may be of interest: Libera Chat's IRC:s #crypto - ( IRC protocol URL).Our monthly cryptography wishlist threads!.Threads on starting in crypto one & two.Remember that this sub is focused on the algorithms, and isn't political. See the list of related subs below for alternatives. Maybe try /r/cryptocurrency? Political news also very rarely belong here. Systems that use crypto are not necessarily relevant here, e.g.You may ask for help to understand it, but you should disclose the source. Don't use this sub to cheat on competitions or challenges! You're expected to solve such problems yourself.Familiarize yourself with the following before posting a question about a novel cryptosystem, or else the risk is nobody will take their time to answer:.'Crack this cipher' challenges also belong in /r/codes unless they're based on interesting crypto implementation bugs, e.g.

Do not ask people to break your cryptosystem without first sharing the algorithm.(Rule of thumb: If a desktop computer can break a code in less than an hour, it's not strong crypto.) You're probably looking for /r/codes. Codes, simple ciphers, ARGs, and other such 'weak crypto' don't belong here.NOTE: This is NOT a cryptocurrency subreddit, see /r/cryptocurrency RULESĭon't forget to read our RULES PAGE! The rules listed there are also used as this sub's report reasons. Send us a reason for why you want to join via mod mail, click here and tell us why you want to discuss cryptography Want to join?īecause this subreddit currently is in restricted mode, you will NOT be able to post or comment before your account has been approved. Please note that this subreddit is technical, not political! The focus is on the algorithms and the security of the implementations. This subreddit is intended for links and discussions surrounding the theory and practice of modern and strong cryptography. Cryptography lives at an intersection of math and computer science. is the art of creating mathematical / information theoretic assurances for who can do what with data, including but not limited to the classical example of encrypting messages so that only the key-holder can read it.

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