OUTDATED AND NEEDS UPDATES TO BE IN SYNC TO NEW FOLDER STURCTURE!!!!

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QUIC Certificate Utility & Chrome Launcher

This repository provides scripts for generating self-signed certificates for localhost, configuring your local certificate store, and launching Chrome with QUIC/WebTransport support while bypassing certificate verification for local testing purposes.

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📁 Folder Structure

.
├── certs/
│   └── localhost.pfx
├── scripts/
│   ├── create-cert.bat
│   ├── generate-cert.ps1
│   ├── create-localhostcert.ps1
│   ├── cleanup-quic-test.bat
│   ├── cleanup-quic-test-user.bat
│   ├── setup-quic-test-user.bat
│   ├── setup-and-launch-quic-test.bat
│   ├── launch-chrome-quic-test.bat
│   └── launch-chrome-ignore-cert.bat
├── .gitignore
├── LICENSE
└── README.md

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🛠 Setup Instructions

1. Generate Certificate for localhost

You can run either a .ps1 or .bat script depending on your preference:

# Using PowerShell (recommended)
powershell -ExecutionPolicy Bypass -File .\scripts\generate-cert.ps1

# Or, using the BAT wrapper
scripts\create-cert.bat

This will:

• Generate a SHA256-signed self-signed certificate with CN=localhost
• Export both .pfx and .cer files
• Import the certificate to both CurrentUser\My and LocalMachine\Root stores

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2. Configure Local Certificate Store for QUIC Testing

If you're testing as a non-admin user, run:

scripts\setup-quic-test-user.bat

If you're testing as admin or in a system context:

scripts\setup-and-launch-quic-test.bat

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3. Launch Chrome with Certificate Checks Disabled (for testing only)

scripts\launch-chrome-ignore-cert.bat

Or, to use a specific QUIC test setup:

scripts\launch-chrome-quic-test.bat

⚠️ Security Warning: The --ignore-certificate-errors flag disables certificate validation in Chrome. Only use this in controlled development environments.

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4. Clean Up Certificates

To remove the certificates from your local store after testing:

scripts\cleanup-quic-test.bat

If you only want to clean the current user’s certs:

scripts\cleanup-quic-test-user.bat

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📄 Notes

• The localhost.pfx file is placed in the certs/ folder for easy reuse.
• These scripts support iterative development using MsQuic, WebTransport, and self-signed TLS certs.

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🔐 Security Notice

Never use these certificates in production. They are self-signed and intended only for development and testing on localhost.

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