Posts tagged "tls"

3 posts tagged with tls.

X.509 Certificates Explained: Anatomy of the Web's Identity Layer
securitytlspkicertificates
X.509 Certificates Explained: Anatomy of the Web's Identity Layer

Every HTTPS handshake, every code-signing check, every TLS-secured email rests on X.509. We dissect the fields, extensions, chain of trust, and what each section actually does.

May 9, 2026 ·9 min read
How TLS and HTTPS Work: From Handshake to Encrypted Connection
tlshttpssecuritycryptography
How TLS and HTTPS Work: From Handshake to Encrypted Connection

Every HTTPS connection starts with a TLS handshake — a sub-second ceremony that establishes identity and agrees on encryption keys. Here is the full sequence in plain English.

February 15, 2026 ·11 min read
Public Key Cryptography Explained Simply: Keys, Ciphers, and Signatures
cryptographysecuritytlsencryption
Public Key Cryptography Explained Simply: Keys, Ciphers, and Signatures

The magic behind HTTPS, SSH, and PGP encryption is public key cryptography — a system where you can encrypt a message that only the intended recipient can decrypt. Here is how it works.

February 11, 2026 ·10 min read