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Found 107 Skills
AES (Advanced Encryption Standard) is a symmetric block cipher standardized by NIST (FIPS 197) used to protect classified and sensitive data. This skill covers implementing AES-256 encryption in GCM m
Configure TLS certificates and encryption for secure communications. Use when setting up HTTPS, securing service-to-service connections, implementing mutual TLS (mTLS), or debugging certificate issues.
Guide for performing linear cryptanalysis attacks on FEAL and similar Feistel ciphers. This skill should be used when tasks involve breaking FEAL encryption, recovering cipher keys using known plaintext-ciphertext pairs, or implementing linear cryptanalysis techniques. Applies to cryptographic challenges mentioning "linear attack," "FEAL," "Feistel cipher analysis," or key recovery from plaintext-ciphertext pairs.
Implement field-level encryption with @cipherstash/stack. Covers schema definition, encrypt/decrypt operations, searchable encryption (equality, free-text, range, JSON), bulk operations, model operations, identity-aware encryption with LockContext, multi-tenant keysets, and the full TypeScript type system. Use when adding encryption to a project, defining encrypted schemas, or working with the CipherStash Encryption API.
Expert knowledge for building, configuring, and operating GooseRelayVPN — a SOCKS5 VPN that tunnels raw TCP through Google Apps Script to a VPS exit server using AES-256-GCM encryption and domain fronting.
Run browser encrypted JS in Node.js (environment patching). env_core.js provides function disguise/prototype chain/Proxy engine, Claude writes stubs on demand in run.js according to the diagnosis report. TRIGGER when: user says "environment patching", "module extraction", "run in Node", "webpack module extraction", "environment simulation", "run JS in Node", or needs to run independently without browser after finding the encryption entry. DO NOT TRIGGER when: only debugging in browser, doing AST deobfuscation, or writing ordinary Node.js code.
Android VPN client that tunnels SOCKS5 traffic through Google Apps Script to a VPS exit server with AES-256-GCM encryption and domain fronting
Guides product infrastructure security—securing the runtime, data plane, and control plane that ships with the product: multi-tenant isolation, service-to-service auth, customer data boundaries, secure defaults in APIs and workers, abuse-resistant rate limits, product-scoped secrets and encryption, and security design reviews for product infra changes. Use when threat-modeling product features, designing tenant isolation, hardening service mesh or internal APIs, reviewing product IaC/modules for data leaks, defining secure baselines for microservices the product team owns, or partnering on incidents affecting customer workloads—not for corporate IdP/SIEM (information-security-engineer), CI pipeline gates only (devsecops), SOC operations (defensive-security-analyst), authorized pentest execution (offensive-security-analyst), general IDP golden paths (platform-engineer), company-wide GRC (cybersecurity), or applied AI solution architecture for LLM features (applied-ai-architect-commercial-enterprise).
Implement on-chain encryption using vetKeys (verifiable encrypted threshold key derivation). Covers key derivation, IBE encryption/decryption, transport keys, and access control. Use when adding encryption, decryption, on-chain privacy, vetKeys, or identity-based encryption to a canister. Do NOT use for authentication — use internet-identity instead.
Conduktor platform expertise for Apache Kafka management, governance, and self-service. Covers Console (observe and manage), Gateway (enforce and proxy with interceptors), and CLI (operate and automate). Use when working with Conduktor configuration, deployment, Kafka data governance, encryption, multi-tenancy, or self-service workflows.
Download HLS streams from M3U8 playlists with encryption support
Audits the security posture of a CockroachDB cluster (Cloud or self-hosted) across network, authentication, authorization, encryption, audit logging, and backup dimensions. Use when assessing cluster security readiness, preparing for compliance reviews, or investigating security configuration gaps.