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Decentralized meta-learning

Sagemath


Elliptic curves

Cryptography

 Posted on September 25, 2019  |  5 minutes  |  1030 words  |  

The easiest way to understand Elliptic Curve (EC), point addition, scalar multiplication and trapdoor function; explained with simple graphs and animations.

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cryptography  elliptic-curve  math  sagemath  python 

EC-Schnorr

Cryptography

 Posted on June 25, 2019  |  4 minutes  |  662 words  |  

Overview

EC-Schnorr, as the name suggests, is a Schnorr-type digital signature scheme over elliptic curve, it's ECDSA's little sister and Schnorr's big brother implemented in the upcoming MuSig in Bitcoin.

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cryptography  schnorr  ellipticcurve  math  python  sagemath 

Schnorr

Cryptography

 Posted on June 19, 2019  |  3 minutes  |  556 words  |  

Schnorr is another digital signature scheme known for its simplicity, no division, no inversion, just plain old multiplication. Here is my simple 16 lines implementation in Python.

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cryptography  schnorr  discrete-logarithm  math  sagemath 

ECDSA

Cryptography

 Posted on April 9, 2019  |  4 minutes  |  818 words  |  

Elliptic curve cryptography (ECC) and digital signature algorithm (ECDSA) are more complex than RSA or ElGamal but I will try my best to hide the hairy math and the implementation details.

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cryptography  ecdsa  discrete-logarithm  math  eli5  python  sagemath 

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