Tutorials
Stop USB Token PIN Prompts from Breaking Automated Signing
Why eTokens and YubiKeys keep asking for the PIN, and four ways to sign unattended: driver PIN caching, signtool CSP container, PKCS#11 tools, or a signing service.
Tutorials
"Document Altered or Corrupted Since It Was Signed": What Broke It
Form filling, PDF/A conversion, compression and "Save As" can all break a PDF signature. How signatures protect bytes, how to find what changed, and the safe order of operations.
Industry News
eMudhra exits the global SSL/TLS certificate business: what certificate holders should do now
eMudhra is leaving the global SSL/TLS market after eight weak intermediate CA keys were found. Chrome and Firefox are distrusting its emSign ECC Root CA - G3. What it means and how to move.
Industry News
"Windows Protected Your PC" After Code Signing: Why and What to Do
Signed installers still trigger SmartScreen, and since 2024 EV certificates no longer skip it. How reputation works, how to check your signature, and what reduces the warning.
Industry News
Code Signing Certificates Now Max 460 Days: What Changed in 2026
CA/Browser Forum Ballot CSC-31 cut code signing certificate validity from 39 months to 460 days from 1 March 2026. What changed, what did not, and how to renew without breaking builds.
Product Updates
Watch: OneSigner in 3 Minutes, Self-Hosted Signing With Your Own USB Token
A 3:40 video tour of OneSigner: what it does, why teams pick it over cloud signing subscriptions, what is new in 2026.10.11, and when it is not the right tool.
Product Updates
OneSigner 2026.10.11: Free Trial Inside the App, Trusted Timestamps and LTV, Acrobat-Valid Browser Signatures
Start the 30-day trial from the app with your email; PDF profiles get a timestamp server and LTV so Acrobat shows signatures as valid long-term; browser signatures now validate in Adobe Acrobat.
Product Updates
OneSigner 2026.10.10: Tokens Sign With the Saved PIN, Plus Free PDF Signing at onesign.sg/sign
USB tokens now sign through the vendor PKCS#11 module with the PIN saved in your profile, no PIN window; a wrong PIN stops after one attempt; OneSignerBridge 1.1.0 adds an optional PIN; and a free public page to sign PDFs with your own token.
Product Updates
OneSigner 2026.8.29: Signing Queue, Bring-Your-Own-Certificate HTTPS, and OneSignTool 2.1
Concurrent signing requests now queue for the USB token instead of failing; self-host over HTTPS with your own certificate; certificate lists show token type, key, purpose and expiry; OneSignTool 2.1 waits, retries and explains errors in plain English.
Tutorials
Six Ways to Sign With One OneSigner Machine
Portal, API, watched folders, CI, eSign envelopes and OneSignerBridge — a tour of every channel that reaches the tokens in your office.
Tutorials
Sign 300 Invoices a Day Without a Human: Folder-Watch Tutorial
From ERP export to digitally signed PDF with nobody typing PINs: a fifteen-minute, zero-code setup with your own token and certificate.
Company
Why We Built OneSigner: A Certificate Reseller's Confession
We sell certificates and cloud signing for a living — and cloud signing is the more profitable product. Here is why we built the opposite of it.
Product Updates
A DocuSign Alternative Where Signers Use Their Own USB Tokens
Self-hosted send-for-signature with real digital signatures — including each signer's personal hardware token — and no per-envelope fees.
Tutorials
eSign Portal Walkthrough: A Two-Signer Agreement, Start to Finish
Upload, field builder, sequential signing ceremony, audit trail and the finished PDF — with screenshots of every step.
Tutorials
Sign a PDF in the Browser — Without the PDF Ever Leaving Your Machine
Visual signing with OneSignerBridge: render locally, click where the signature goes, sign with your own USB token.
Industry News
EV Code Signing: Complete Guide, Requirements & CI/CD Automation
What EV code signing verifies, how it differs from OV, the CA/Browser Forum hardware rule, and a transparent three-year cost comparison of USB tokens against cloud HSMs.
Tutorials
Automate Code Signing in CI/CD Without Cloud HSM
Reference architecture: upload API, hash-only OneSignTool signing, watched shares, Cloudflare Tunnel, and a hardening checklist.
Tutorials
Code Signing for Visual Studio ClickOnce Deployments
Stop the PIN dialogs breaking ClickOnce publishes: build unsigned, sign after with OneSigner, MSBuild hook included.
Industry News
CA/Browser Forum Changes: Read the Hardware Rule Carefully
The 2023–2026 code-signing requirements mandate hardware keys — not cloud subscriptions. What each path really costs.
Product Updates
OneSigner Today: PDF Signing, Code Signing and a Full eSign Portal in One Platform
From automated PDF signing to Windows code signing to a complete send-for-signature portal — what the OneSigner platform includes now.