cryptography
5 posts found
X25519MLKEM768 vs X25519: Evaluating Hybrid Post-Quantum Key Encapsulation
A technical comparison of X25519 and hybrid X25519MLKEM768 in TLS 1.3, evaluating handshake wire overhead, CPU cycles, cryptanalytic resilience, and edge middle…
Voltage Glitching and Side-Channel Leakage in Embedded Cryptographic Silicon
Hardware security modules and cold storage wallets isolate private keys inside microcontroller flash memory. When attackers obtain physical access, precision vo…
Noise Handshakes for NAT Traversal: Rathole Multiplexing Architecture
An architectural look at how user-space Noise Protocol tunnels avoid TCP-over-TCP breakdown and solve CGNAT ingress bottlenecks.
How to Replace Static Authorized Keys with OpenSSH Cryptographic Certificates
Replace static authorized_keys with an OpenSSH Certificate Authority to issue time-limited certificates, eliminate known_hosts prompts, and enforce instant revo…
Why Entropy Failures Haunt Self-Hosted Cryptography
A practical analysis of entropy exhaustion, kernel RNG validation on Linux nodes, and defensive key generation patterns.