Cryptography is becoming more and more important in our everyday lives. Understand how it works at LearnCryptography.com
Joined March 2013
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It is worth reflecting on just how wildly unsupported by the public and wrong the FCC is on its effort to end an Open Internet. #NetNeutrality (1/16)
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We've filed a joint lawsuit with @ACLU over searches of cell phones & laptops without a warrant by border agents eff.org/cases/alasaad-v-duke
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22 Aug 2017
AES-256 is considered among the top ciphers for symmetric key encryption - try it out with our AES Encryption tool.
learncryptography.com/tools/…
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In case you want to protect your anonymity online when organizing for a protest, here's a guide to Tor for Windows: ssd.eff.org/en/module/how-us…
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27 Jan 2017
Having strong, unique, and secured passwords is a necessity - using a password manager can make it easy.
learncryptography.com/comput…
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15 Dec 2016
Security isn't something you buy - it's knowledge you arm yourself with. Check out our computer security checklist:
learncryptography.com/comput…
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2 May 2014
Big O Notation is a way of expressing how well an algorithm performs as the input data grows - it's time complexity.
learncryptography.com/big-o-…
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1 Apr 2014
The Birthday Problem in mathematics concerns the probabilities of collision between two items in a set of multiple.
learncryptography.com/the-bi…
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20 Feb 2014
A Hash Collision Attack is performed by finding two inputs to a hash function that produce the same hash result.
learncryptography.com/hash-c…
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29 Jan 2014
We often consider 256-bit encryption 'secure', but why is 2^256 the magic number for secure encryption?
learncryptography.com/why-is…
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7 Jan 2014
The Caesar Cipher is one of the oldest encryption techniques - a simple alphabet shift across an entire message. learncryptography.com/caesar…
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3 Dec 2013
Rainbow Tables were used to speed up password cracking, until salting and more secure hashing algorithms came around.
learncryptography.com/rainbo…
16 Oct 2013
Online services store password hashes instead of actual passwords, as storing plaintext passwords is needlessly risky
learncryptography.com/passwo…
14 Oct 2013
Frequency Analysis is used on classical substitution ciphers to decode a message using the frequency of it's letters.
learncryptography.com/freque…
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1 Oct 2013
FTP: A commonly used but less-than-secure protocol from the early ages of the internet. learncryptography.com/file-t…
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29 Sep 2013
The Two-Square Cipher was created as a simple alternative to Four-Square, though still more secure than the Playfair. learncryptography.com/two-sq…
12 Sep 2013
The Four-Square cipher is a slightly more secure variant of the Playfair Cipher, using two keys intead of one: learncryptography.com/four-s…
7 Sep 2013
The Playfair Cipher encrypts pairs of letters instead of single letters, making frequency analysis harder to perform. learncryptography.com/playfa…
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