Frontend developer building Rayern. Learning Python, exploring DSA, and sharing the journey, lessons, experiments, and things I build along the way.
Port Harcourt, Nigeria
Joined July 2026
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After this cryptography rabbit hole, I've added a new goal to my list:
Solve P vs NP.
Imagine solving one of computer science's biggest open problems.
If P = NP, things could get wild.
Anyway, back to studying. 😂
Nobody knows whether P = NP or P != NP.
Cryptography doesn't simply depend on P != NP.
RSA and ECC rely on hard mathematical problems. AES has different security foundations.
But if P = NP and an efficient algorithm is found, cryptography could face serious consequences.
Here's where it gets interesting: P vs NP.
P = Polynomial Time.
NP = Nondeterministic Polynomial Time.
P: problems can be solved in polynomial time.
NP: problems have solutions verifiable in polynomial time.
Can every efficiently verifiable solution also be found efficiently?
And yes, you can generate an AES-256 key with JavaScript's Web Crypto API:
const key = await crypto.subtle.generateKey(
{ name: "AES-GCM", length: 256 },
false,
["encrypt", "decrypt"]
);
One API call. A whole lot of cryptography underneath.
SHA-256 - Secure Hash Algorithm 256-bit / ECDSA - Elliptic Curve Digital Signature Algorithm
SHA-256 is a hash function that turns data into a fixed-length 256-bit hash.
ECDSA is a digital signature algorithm.
A private key creates a signature; its public key verifies it.
And then there's ECDH - Elliptic Curve Diffie-Hellman.
It's a key-agreement method.
Two parties can use their private keys and each other's public keys to establish the same shared secret, even when communicating over a public channel.
Pretty clever, right?
RSA - Rivest-Shamir-Adleman / ECC - Elliptic Curve Cryptography
Both use public and private keys.
RSA relies on the difficulty of factoring large numbers, while ECC relies on elliptic-curve discrete logarithm problems.
That's public-key cryptography.
AES - Advanced Encryption Standard (256-bit)
Symmetric encryption.
The same secret key is used to encrypt and decrypt data.
AES-256 has 2^256 possible keys.
Think of it as a lock that only works with the right key.
Dove into cryptography, and honestly, this stuff is wild.
We're talking about the mathematics that helps keep information secure, allows people to communicate privately, and makes digital signatures possible.
Let's get into it. 🧵
Putting my #100DaysOfPython challenge on pause for now.
Power outages have affected my ability to use my laptop, and my schedule has gotten tighter.
I'll resume from Day 15 on December 1st. Until then, I'll keep practising what I've learned.
Not quitting, just pressing pause.
Haven’t been able to do much learning these past few days.
We haven’t had light, and my phone was off from Thursday until Sunday because I couldn’t charge it.
Honestly, keeping up with learning and staying consistent has been tough lately.
Hopefully, things get better soon.
When looping through a list of items, I got confused about where ITEM came from in FOR ITEM IN ITEMS,
Had to look it up on Google before I got it. 😂
What confused you the most when you started learning a new programming language?
#100DaysOfCode #Python
Day 14 of #100DaysOfPython
Explored collections, covered lists.
Lists store multiple items in one variable. You can
access them by index and loop through them with for loop.
Coming from JavaScript, lists feel familiar because they’re similar to arrays.
Syntax feels different
Day 13 of learning Python.
Covered:
• More for loops
• break and continue
• Nested loops
break stops a loop, while continue skips to the next iteration. Couldn't post yesterday, so here it is today.
#100DaysOfCode #Python #100DaysOfPython
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Finally I'm back 🙂
Day 12 of learning Python.
Today I covered for loops and the range() function.
range() takes 1 argument (stop), 2 (start, stop), or 3 (start, stop, step).
Also learned that for loops can iterate through strings, one character at a time.
#100DaysOfPython