Classic Asymmetric Algorithms Intermediate
Diffie-Hellman Key Exchange
Diffie-Hellman solved cryptography's oldest problem: sharing a secret over a channel anyone can watch. Here's the math, and how it still secures the web.
Tag Archive
#Asymmetric Encryption
Found 10 articles with this tag.
Classic Asymmetric Algorithms Intermediate
The DSA (Digital Signature Algorithm)
DSA was the U.S. government's answer to a simple question: how do you prove a message came from you, without RSA's patent? Learn how the Digital Signature Algorithm works, and why a single reused number sank Sony's PS3 security.
Modern Asymmetric Algorithms Advanced
Elliptic Curve Cryptography
ECC gets RSA-level security from far smaller keys. Here's the curve math behind it, and why it now powers most of the web.
Modern Asymmetric Algorithms Advanced
EdDSA
EdDSA replaced random nonces with deterministic ones, closing off one of ECDSA's worst failure modes. Here's the math behind Ed25519.
Modern Asymmetric Algorithms Advanced
ElGamal Encryption
ElGamal turns Diffie-Hellman key exchange into full public-key encryption. Here's how the discrete-log problem protects every message it sends.
Post-Quantum Cryptography Advanced
The McEliece Cryptosystem
McEliece has survived over 45 years of cryptanalysis without ever being broken. It's one of NIST's chosen post-quantum standards. Learn how hiding an error-correcting code behind scrambling matrices creates a public-key system quantum computers can't crack.
Post-Quantum Cryptography Advanced
NTRU
Before Kyber, before LWE was even named, NTRU showed that ordinary polynomial multiplication in the right ring could resist quantum attacks. Learn how NTRU hides a fast decryption trick behind a public convolution product.
Classic Asymmetric Algorithms Advanced
The Paillier Cryptosystem
What if you could add two numbers together without ever decrypting them? Paillier encryption makes that possible. It's the mathematical trick behind private vote tallying and secure multi-party computation.
Classic Asymmetric Algorithms Intermediate
RSA
RSA made public-key cryptography practical for the world. Here's how it works, why it's secure, and where it's headed as quantum computing looms.
Classic Asymmetric Algorithms Intermediate
Schnorr Signatures
Schnorr signatures are what DSA might have been if a 20-year patent hadn't gotten in the way. Simpler, provably secure, and now at the heart of Bitcoin's Taproot upgrade: here's how they work.