Privacy Engineering & File Format Specifications

Advanced Encryption Standard in Galois/Counter Mode (AES-256-GCM) is an authenticated symmetric cipher providing confidentiality and cryptographic tamper-proofing in a single primitive.

Exchangeable Image File Format (EXIF) is a standard specification for storing metadata tags—including GPS coordinates, camera serial numbers, capture timestamps, and exposure settings—inside digital photograph files.

ICAO Doc 9303 is the international standard published by the International Civil Aviation Organization governing machine-readable travel documents, biometric passport formats, and facial image criteria.

The Model Context Protocol (MCP) is an open standard developed by Anthropic allowing AI assistants, LLMs, and development tools to securely query and invoke local tools and computational capabilities.

MozJPEG is an open-source, production-grade JPEG compression encoder developed by Mozilla that reduces image byte sizes by up to 15% compared to standard libjpeg without sacrificing visual quality.

Origin Private File System (OPFS) is a fast, highly optimized private filesystem accessible to web pages for zero-latency local caching of large binaries and models.

Password-Based Key Derivation Function 2 (PBKDF2) applies a pseudorandom function repeatedly to derive high-entropy cryptographic keys from human-readable passphrases.

The internal sequence of binary instructions and graphical operators within a PDF document that dictate page geometry, font selection, vector paths, and rendered text glyphs.

Urchin Tracking Module (UTM) parameters are five standard query string variants appended to URLs to track marketing campaigns, referral sources, and user journeys across the web.

Web Content Accessibility Guidelines (WCAG) are international recommendations published by the W3C Web Accessibility Initiative to make web content accessible to individuals with visual, auditory, and motor disabilities.

WebAssembly (WASM) is a low-level binary code format that executes at near-native speed inside modern web browser engines with sandboxed memory safety.

The W3C Web Cryptography API provides standardized, hardware-accelerated cryptographic primitives—including AES-GCM, PBKDF2, and SHA-256—directly within browser execution contexts.

WebGPU is a modern W3C web standard providing low-level, high-efficiency access to graphics processing units (GPUs) for compute shaders, machine learning, and hardware-accelerated rendering.

A privacy architecture where client-side encryption and processing ensure that service operators and hosting servers possess zero access to unencrypted user data or master decryption keys.

Invisible Unicode characters—such as Zero-Width Space (U+200B) and Zero-Width Joiner (U+200D)—that render with zero width on screen but can be embedded into text to create tracking watermarks.