Cryptography
João Víctor Melo's user avatar
João Víctor Melo's user avatar
João Víctor Melo's user avatar
João Víctor Melo
  • Member for 1 year, 10 months
  • Last seen more than a week ago
  • Brazil
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About

I study Electrical Engineering and also like to write about Mathematics. I am also editor of the Indian Journal of Pure and Applied Mathematics. I study Quantum Mechanics and also Relativity. Poetry is one of my hobbies.

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Top posts
All Questions Answers
Score Newest
question
3
How do I exactly use the Index of Coincidence in Cyphertext?
Dec 19, 2021
answer
2
Perfect Secrecy for Shift Cipher
Dec 26, 2021
question
2
Perfect Secrecy for Shift Cipher
Dec 26, 2021
question
1
Why Entropy to be defined as Joint Probability Distribution Sum?
Dec 31, 2021
question
1
Substitution-Permutation Network (SPN) Example
Jan 4, 2022
answer
1
Prove that the affine cipher over Z26 has perfect secrecy if every key is used with equal probability of 1/312
Dec 26, 2021
question
1
How to Prove matrix $m \times m$ is invertible is equivalent to be $LI$ over $\mathbb{Z_{2}}$?
Dec 22, 2021
answer
0
Apply a permutation cipher by hand
Nov 30, 2021
answer
0
LWE - Encrypting/Decrypting messages bigger than 1 bit
Dec 6, 2021
question
0
Number of Involuntory Keys in Permutation Cipher
Nov 30, 2021
Top network posts
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9
What is the meaning of Luke 3:8?
5
Why in the Genesis, it's strongly said that Jacob and Rachel were Cousins?

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