Quantum Blog
Deep dives, technical explainers, and thought pieces from the Philippine quantum computing community.
Computing State Vector of Probability Distributions
In this article, we will show how we can derive a generic circuit for probability distribution functions. Let a quantum system be described by the st...
How to Prove You Are Above 15 Without Revealing Your Age
This is an introductory, non-mathematical-heavy explanation of a real cryptographic possibility: a person can prove the statement "my age is above 1...
Introducing Quantum Computing
As I watched my one-month old baby sleeping, a thought ran through my mind. I wonder what technology would look like when she's my age. There's a lot...
How RSA Encryption Works
Alice and Bob live in different parts of the world. They want to communicate with each other but they don't want anyone to know the messages they exc...
Period Finding and the RSA
In the previous post, we learned how to <a href="/2017-10-15/how-rsa-works" rel="noopener" target="_blank">decrypt RSA</a> by getting the factors of ...
RSA Encryption and Quantum Computing
We are going to crack the RSA by finding the period of the ciphertext. Let m be the message, c the ciphertext, e the encoding number and N=pq such th...
Quantum Searching
Imagine a shuffled deck of 52 cards, and you are asked to find the ace of spades. The most natural thing to do is to take the top most card, see if i...
Elliptic Curve Cryptography
Let $y^2 = x^3 + ax + b$ be the equation of the elliptic curve E. Any line L that intersects the curve will intersect the curve in at most 3 points. ...
Quantum Computing and Elliptic Curve Cryptography
In the last <a href="https://wp.me/p1g6nH-La" target="_blank" rel="noopener">post</a>, we have learned what an elliptic curve is, how it is used in c...
Think of a number: How to Program a Quantum Computer
I have always loved figuring out the unknowns. That's why when I was a child, I love "think of a number" games. Think of a number, multiply it by 2,...
Quantum Computing: Programming the Quantum Dice
The power of quantum computing comes from the superposition of states which allows us to do computation in parallel. From an input of 1 qubit, we can...
Programming the Quantum Search
In the last post (<a href="https://bobbycorpus.wordpress.com/2017/11/06/quantum-searching/" target="_blank" rel="noopener noreferrer">Quantum Searchi...
I Sing Quantum Computing
I have always been fascinated by computing. Thanks to my friends Ernesto Adorio (♱) and Augusto Hermosilla, both of whom are mathematicians, who intr...
Traveling Salesman and Quantum Computing
A pre-sales person is covering a lot of cities and would like to travel to each city once and finally back to the originating city in such a way as t...
Introducing the Variational Quantum Eigensolver
In the previous <a href="https://bobbycorpus.wordpress.com/category/quantum-computing/ising-model/" target="_blank" rel="noopener">blogs</a>, we have...
Constructing the Quantum Fourier Circuit
From the previous <a href="https://bobbycorpus.wordpress.com/2017/10/15/rsa-encryption-and-quantum-computing/" target="_blank" rel="noopener">post</a...
Programming the Shor's Algorithm to Crack the RSA Cryptography
In the previous <a href="https://bobbycorpus.wordpress.com/2017/10/15/rsa-encryption-and-quantum-computing/" target="_blank" rel="noopener">post</a>,...