eSeGeCe Blog
Release notes, deep dives, and tutorials for sgcWebSockets, sgcHTML, sgcOpenAPI, sgcSign, sgcBiometrics, and sgcIndy.
Turn a Screenshot Into a Delphi Web Page
Describe a page in a sentence, or point it at a screenshot, and the sgcHTML designer builds it out of your own components, through a schema that cannot name anything you did not register…
Sign a Big Installer Without Uploading It
A signing server does not need your installer, only its digest. The sgcSign Server hash routes sign an MSI or MSIX from a few dozen bytes, and the package never leaves the build agent…
How to Sign an MSI or MSIX Installer in Delphi
TsgcMSISigner and TsgcAppxSigner sign .msi, .msp, .msix and .appx files from Delphi with a timestamp, and refuse an MSIX whose publisher does not match the certificate…
Run Your Delphi App Inside ChatGPT and Claude
An MCP tool that answers with a page instead of a paragraph: sgcHTML pages now render inside ChatGPT, Claude and VS Code, and the clicks come back to your Delphi application…
Sign a Windows EXE from Linux with Delphi
Authenticode signing no longer needs Windows. A short Delphi program built for Linux 64-bit signs an EXE with a timestamp, and Windows accepts the signature like any other…
Czech EET 2.0 in Delphi: Register Sales with TsgcEETClient
Czech EET 2.0 reporting starts on 1 January 2027. TsgcEETClient signs and sends each sale, reads the pok and verifies the acknowledgement, with verification mode and an offline queue…
Release 2026.9.0: sgcWebSockets, sgcSign, sgcIndy and sgcOpenAPI
Release 2026.9.0 for sgcWebSockets, sgcWebSockets .NET, sgcSign, sgcIndy and sgcOpenAPI: a native WebRTC media engine, a new cryptography package, trust anchors in verification…
sgcWebRTC: a Native WebRTC Media Engine for Delphi and C++ Builder
sgcWebRTC is a new WebRTC media engine for Delphi and C++ Builder: SDP signalling, ICE with STUN and TURN, DTLS-SRTP, SCTP data channels and Opus, G.711, VP8 and H.264 media, with no browser and no WebView…
sgcOpenAPI 2026.9.0: the Parser Overhaul
sgcOpenAPI 2026.9.0 rewrites the parser: OpenAPI 3.1 and 3.2, a Warnings list instead of silent failures, working schema composition, correct enums, safe external references and a scriptable command line…
What Is New in sgcSign 2026.9.0
sgcSign 2026.9.0: trust anchors in verification, richer certificate lists, multi-slot PKCS#11 without a PIN, two new PAdES profiles, signed timestamp requests and one shared HTTP transport…
Four New sgcHTML Components, Five New Live Demos
sgcHTML adds CameraScanner, NumPad, CommandPalette and EmptyState, then puts all four to work in five brand new live demos: a Warehouse, a Point of Sale till, Reports & Analytics, a Multi-Tenant SaaS platform and Field Service…
Huobi and HTX: Fixing a Signature Timestamp That Only Failed Part of the Day
A Huobi and HTX signing defect mixed the local date with the UTC time, so a host running outside UTC had every private request fail for part of the day. It read as an intermittent authentication problem, and it was a two-line fix…
Kraken: Four Reliability Fixes in the WebSocket and Futures REST Clients
Four Kraken defects fixed in 2026.9: the spot WebSocket client was speaking v1 while connected to a v2 endpoint, Futures REST orders went out as GET with the signed body discarded, and private subscriptions never replayed after a reconnect…
sgcHTML Design Surface — Build Pages Visually, Not Just in Code
sgcWebSockets 2026.9.0 adds the sgcHTML Design Surface, so pages can be composed visually on a VCL form instead of only in code, using the exact same components and producing the exact same HTML…
AI Agent Skills for Delphi, C++Builder and .NET
Your AI assistant has never read the eSeGeCe source, so it invents properties that do not exist. Agent skills fix that, free and MIT licensed…
sgcCrypto: a New Cryptography Library for Delphi and C++ Builder
sgcCrypto is a new 43-unit cryptography library for Delphi and C++ Builder: AES-GCM, ChaCha20-Poly1305, SHA-3, Argon2, Ed25519, X.509 and post-quantum ML-KEM, ML-DSA and SLH-DSA, included free from sgcWebSockets Standard up…
sgcWebSockets 2026.8: QUIC, HTTP/3, Static OpenSSL and a TLS Overhaul
sgcWebSockets 2026.8 adds QUIC and HTTP/3 components, OpenSSL linked inside the executable, more than 30 new sgcHTML components, a rewritten SChannel TLS layer, zlib 1.3.1 and a CycloneDX SBOM…
sgcWebSockets now installs its own SBOM
The installer now produces a CycloneDX SBOM for the edition being packaged and installs it as sbom.cdx.json, so the file can never drift from the code it describes…
zlib 1.3.1 in sgcWebSockets and sgcOpenAPI
zlib moves from 1.2.12 to 1.3.1. Because zlib is linked statically, the update meant rebuilding three separate object sets and proving them on every supported compiler…
Binance Rate Limits in Delphi: Batching, Pacing and Readable 429s
Read Retry-After on an HTTP 429, subscribe a whole watchlist with one frame, and stop exchanges closing your connection after a reconnect…
sgcProtoBuf: From .proto Files to Delphi Units
sgcProtoBuf turns Protocol Buffers definitions into Delphi units, resolving imports recursively and generating one unit per package…
REST Server: Users, Multi-Tenancy and Metrics
A hashed user store wired into HTTP Basic, five ways to resolve a tenant per request, and Prometheus metrics with a health endpoint for TsgcHTTPRESTServer…
REST Server + OpenAPI: Contract-First APIs in Delphi
Attach the OpenAPI plugin to TsgcHTTPRESTServer and let one spec drive routing, validation, security and Swagger UI, with a single assignment as the whole wiring…
TsgcHTTPRESTServer: the New REST Server Component
TsgcHTTPRESTServer is a new HTTP server component for REST APIs, adding CORS, metrics and health endpoints and multi-tenancy on top of TsgcHTTPServer…