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.