8 docs tagged with "cryptography"

Deep principal engineering guide to payment card physical/logical anatomy, ISO/IEC 7812 PAN structure, Luhn Mod 10 checksum, Track 1/2 magstripe, and EMV chip cryptography (ARQC, ARPC, TC, AAC, SDA, DDA, CDA).

Practical cryptography for Java engineers — AES-GCM, RSA, HMAC, digital signatures, key management, secure random, constant-time comparisons. Pairs with the Keys, Signing & TLS doc.

Hash functions, digital signatures (ECDSA, EdDSA, BLS), key derivation, Merkle trees, Merkle Patricia tries, and zero-knowledge proofs explained for blockchain engineers.

Deep dive into public/private key cryptography, how signing payloads works, JWKS (JSON Web Key Sets), Message Level Encryption (MLE), and TLS internals — written for Java/Spring engineers.

Enterprise engineering guide to securing payment processing systems — client-side mTLS, RFC 9421 HTTP message signatures, DPoP token binding, PSD2 dynamic linking, internal Zero Trust SPIFFE mesh, PCI-HSMs, tokenization vaults, and Maker-Checker dual control.

Comprehensive security interview question bank for Java/Spring engineers — covering authentication, JWT, JWKS, MLE, payload signing, TLS, web vulnerabilities, cryptography, network security, cloud security, and secure design.

A comprehensive security reference for software engineers covering authentication, authorization, cryptography, web vulnerabilities, privacy, compliance, secure SDLC, and incident response.

Senior deep dive into Tor onion routing, 3-hop circuit telescoping, cell peeling cryptography, V3 hidden services, traffic correlation attacks, and Tor vs VPN vs Proxy comparison.