Developer security
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Code Signing in Linux: Complete Guide to Signing Packages, Binaries, and Containers
Learn how to sign Linux artifacts including RPM/DEB packages, kernel modules, container images, Git commits, and AppImages. Covers GPG, cosign, Sigstore, and CI/CD integration.
AES-256 Encryption Explained: How It Works, Modes, and Implementation
Deep dive into AES-256 encryption covering the algorithm internals, modes of operation (GCM, CBC, CTR), implementation in OpenSSL, Python, Java, and Go, plus key management best practices.
Hash Functions Explained: SHA-256, SHA-3, MD5, BLAKE3 and Beyond
Complete guide to cryptographic hash functions covering SHA-256, SHA-3, MD5, BLAKE3, HMAC, and password hashing. Learn properties, security analysis, and how to choose the right hash function.
PKCS#11 Integration Guide: Connecting Applications to HSMs
Complete PKCS#11 integration guide covering the Cryptoki API, slots/tokens/sessions model, OpenSSL engine configuration, Java SunPKCS11, Python PyKCS11, and HSM vendor setup.
CycloneDX CBOM Format: Technical Guide to the Cryptographic Bill of Materials Standard
A technical deep dive into the CycloneDX CBOM format — structure, fields, crypto asset types, how to generate and consume CBOMs, integration with SBOM tools, validation, and complete examples in JSON and XML.
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