Technical references 200
Cheatsheets, quick references, and specification summaries for encodings, formats, and developer workflows.
Crypto 28
- AES Block Cipher Modes Reference
- Authenticated Encryption (AEAD) Reference
- Authenticated Encryption Modes (AEAD)
- Block Cipher Reference Guide
- Camellia Block Cipher Specification
- ChaCha20 Stream Cipher Specification
- Cipher Algorithm Comparison
- Cryptographic Attack Types Reference
- Cryptographic Key Management Reference
- Cryptographic Key Size Recommendations
- ECDH (Elliptic Curve Diffie-Hellman) Reference
- ECDSA (Elliptic Curve Digital Signature Algorithm) Reference
- Elliptic Curve Cryptography Reference
- HKDF Specification (RFC 5869)
- Homomorphic Encryption Reference
- Lattice-Based Cryptography Reference
- NIST Cryptographic Standards Reference
- Padding Schemes Reference
- Post-Quantum Cryptography Reference
- Provable Security Reference
- RSA Key Formats Reference
- Salsa20 Stream Cipher Specification
- Secret Sharing Schemes Reference
- Serpent Block Cipher Specification
- Side-Channel Attack Reference
- Stream Cipher Reference Guide
- Twofish Block Cipher Specification
- Zero-Knowledge Proof Reference
Encoding 10
Format 33
- Apache Avro Specification
- Apple Property List (plist) Format Guide
- Atom Syndication Format Specification
- CBOR (Concise Binary Object Representation) Specification
- CSV Format RFC 4180
- Environment Variable File (.env) Format Guide
- Frontmatter (YAML/TOML/JSON) Guide
- GraphQL Query Language Reference
- GraphQL Schema Definition Reference
- HATEOAS / HAL Specification
- HJSON (Human JSON) Specification
- INI File Format Guide
- INI Format Reference
- Java Properties File Format Guide
- JSON RFC 8259 Specification
- JSON Schema Draft 2020-12
- JSON:API Specification
- JSON5 Specification
- JSONC (JSON with Comments) Specification
- MessagePack Specification
- NDJSON (Newline Delimited JSON) Specification
- OpenAPI Specification Reference
- Protocol Buffers Encoding Reference
- Protocol Buffers Specification
- RSS 2.0 Specification
- SVG Path Data Reference
- TOML Format Specification
- XML Namespace Guide
- XML Namespace Reference
- XPath Reference
- XQuery Reference
- XSLT Reference
- YAML 1.2 Specification
Hash 21
- Argon2 Specification Reference
- BLAKE Family Reference
- Checksum Algorithms Reference
- Cryptographically Secure Random Number Reference
- Entropy and Information Theory Reference
- Hash Algorithm Output Sizes
- Hash Function Comparison Reference
- Hash Function Security Properties
- Hash Performance Benchmarking Reference
- HMAC (Keyed-Hash Message Authentication) Reference
- HMAC Construction Details (RFC 2104)
- Keccak Permutation Reference
- Key Derivation Function Reference
- Merkle Hash Tree Reference
- Non-Cryptographic Hash Reference
- Parallel and Tree Hashing Reference
- Password Hashing Comparison
- Password Hashing Reference
- SHA-2 Family Reference
- SHA-3 Family Reference
- Sponge Construction Reference
Math 10
Network 31
- CORS (Cross-Origin Resource Sharing) Reference
- CORS Headers Reference
- DNS Protocol Reference
- DTLS Protocol Reference
- Ethernet and ARP Reference
- gRPC Protocol Reference
- HTTP Security Headers Reference
- HTTP Status Codes Complete Reference
- HTTP/1.1 Reference
- HTTP/2 Reference
- HTTP/3 Reference
- ICE Protocol Reference
- IP Protocol Reference
- JSON-RPC 2.0 Specification
- MIME Types Complete List
- MQTT Protocol Reference
- NAT (Network Address Translation) Reference
- OCSP Protocol Reference
- Port Numbers Reference
- QUIC Protocol Reference
- REST API Design Reference
- RTP Protocol Reference
- SDP (Session Description Protocol) Reference
- SOAP Protocol Reference
- STUN Protocol Reference
- TCP Protocol Reference
- TLS 1.3 Reference
- UDP Protocol Reference
- URL Syntax RFC 3986
- WebSocket Protocol Reference
- X.509 Certificate Format Reference
Regex 20
- Character Encoding History Reference
- Common Regex Patterns Reference
- Regex Advanced Syntax Reference
- Regex Character Classes Reference
- Regex Date and Time Patterns Reference
- Regex Email Patterns Reference
- Regex Engine Comparison Reference
- Regex Flags Reference
- Regex IP Address Patterns Reference
- Regex Performance Guide
- Regex Phone Number Patterns Reference
- Regex Quantifiers Reference
- Regex Syntax Cheatsheet
- Regex Unicode Reference
- Regex URL Patterns Reference
- String Algorithm Reference
- Text Encoding Reference
- Unicode Collation Reference
- Unicode Normalization Reference
- Unicode Property Escapes in Regex
Security 25
- API Security Best Practices Reference
- Content Security Policy (CSP) Reference
- Cookie Security Reference
- CORS Security Reference
- Cryptographic Standards Reference
- CSRF Prevention Reference
- CVE (Common Vulnerabilities and Exposures) Reference
- CVSS (Vulnerability Scoring) Reference
- CWE (Common Weakness Enumeration) Reference
- HSTS (HTTP Strict Transport Security) Reference
- Insecure Deserialization Prevention Reference
- JWT Security Reference
- NIST Key Management Reference
- OAuth 2.0 Reference
- OpenID Connect Reference
- OWASP API Top 10 Reference
- OWASP Top 10 Reference
- Password Storage Reference
- Post-Quantum Algorithms Reference
- Rate Limiting Reference
- Side-Channel Mitigation Reference
- SQL Injection Prevention Reference
- SSRF Prevention Reference
- Subresource Integrity (SRI) Reference
- XSS Prevention Reference
SQL 19
- ACID vs BASE Semantics Reference
- CAP Theorem and NoSQL Reference
- Database Normalization Reference
- Database Sharding and Partitioning Reference
- NoSQL Database Comparison
- SQL Clause Reference
- SQL Constraint Reference
- SQL Data Types Reference
- SQL Function Reference
- SQL Functions Reference
- SQL Index Reference
- SQL JOIN Reference
- SQL Keywords Complete Reference
- SQL Operator Reference
- SQL Standard Reference
- SQL Subquery and CTE Reference
- SQL Transaction and Isolation Reference
- SQL Trigger Reference
- SQL Window Function Reference