Topic
6 posts tagged “Cryptography”.
Chisato · · 4 min read OCSP and CRL are the two mechanisms browsers use to check if a TLS certificate has been revoked before its expiry date. Here's how each works.
Chisato · · 4 min read A zero-knowledge proof lets one party prove a statement is true without revealing why — the basis of privacy-preserving verification systems.
Chisato · · 4 min read A timing attack infers secret data by measuring how long an operation takes to run. How timing side channels leak information and how to close them.
The Lycoris Team · · 5 min read A digital signature uses a private key to prove a message's origin and integrity, and a public key lets anyone verify it — no shared secret required.
Chisato · · 4 min read HMAC combines a secret key with a hash function to prove a message wasn't altered and came from someone who holds the key. Here's how it works.
Chisato · · 4 min read Quantum computers threaten RSA and ECC. The NIST post-quantum standards are finalized — here's what they replace, what's already deployed, and how to prepare.
