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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26 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 Is it feasible to build an index of prime factors? Oct 21 '11
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 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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