Generating Self-Signed SSL Certificates and Private Keys with OpenSSL on Linux
Core Cryptographic File Types
TLS/SSL deployments rely on three distinct artifact categories:
Private Key: Typically RSA-encoded binary data used for asymmetric decryption and handshake authentication.
Certificate Signing Request (CSR): A structured payload bundling your public key with identity attributes, prepared for third-party validation. ...
Posted on Thu, 03 Sep 2026 16:18:37 +0000 by rayner75
Building a Custom Public Key Infrastructure with OpenSSL
PKI Architecture Fundamentals
A self-managed Public Key Infrastructure relies on a hierarchical trust model consisting of three primary tiers:
Root Certificate Authority: The anchor of trust. Its private key never leaves the secure hardware store and is used exclusively to sign intermediate certificates.
Intermediate Certificate Authority: A d ...
Posted on Tue, 30 Jun 2026 17:33:41 +0000 by ldb358