Cryptography
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Dennis

Mathematician. Coding enthusiast. Creator of Try It Online. Former elected moderator on Code Golf.

If I can help you with anything, don't hesitate to ping me (@Dennis) in talk.tryitonline.net or The Nineteenth Byte.

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25 Difference between Rijndael 128 / 256 blocksize implementations? (and impact of block size in general) Jan 18 '13
21 Reason why “XOR” is a linear operation, but ordinary “addition” isn’t? Dec 28 '13
12 security of Felix cipher Dec 15 '12
11 Creating your own encryption and decryption algorithm Jun 8 '17
11 Why is SHA-3 a Sponge function? Mar 11 '18
10 Creating a small number from a random octet string Dec 15 '12
9 Why is h(m||k) insecure? Dec 17 '12
8 Is it feasible to build an index of prime factors? Oct 21 '11
7 Can one generalize the Diffie-Hellman key exchange to three or more parties? Oct 21 '11
7 True 128bit secured password length? Dec 21 '12
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