cert2src

This is a simple command line utility for download and exporting the chain root certificates required for TinyCLR OS to access secure sites. Certificate can be exported in Security Certificate File Format (crt) commonly embedded as a binary project resource or a csharp source code array easly added to a project as source code.

Usage: cert2src.exe url [options]

Download and export root certificates required for TinyCLR OS to access secure sites.

options:
 --help        Displays general help information about other commands.
 --path        Output chain root certificate as base-64 encoded PEM format to file.
 --code        Set output format as csharp source code array.
 --width       Width of the source code array output (default 18).
 --namespace   Namespace used when creating code array output.
 --classname   Class name structure used when creating code array output.

Note: you can included the --path flag without a path and it will default to the executable path location.

Installation

Download the latest cert2src.exe file and unzip to a local working directory.

Examples

C:\project>cert2src.exe https://www.google.com --path

-----BEGIN CERTIFICATE-----
MIIDdTCCAl2gAwIBAgILBAAAAAABFUtaw5QwDQYJKoZIhvcNAQEFBQAwVzELMAkGA1UEBhMCQkUx
GTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExEDAOBgNVBAsTB1Jvb3QgQ0ExGzAZBgNVBAMTEkds

[Intentionally omitted]

hm4qxFYxldBniYUr+WymXUadDKqC5JlR3XC321Y9YeRq4VzW9v493kHMB65jUr9TU/Qr6cf9tveC
X4XSQRjbgbMEHMUfpIBvFSDJ3gyICh3WZlXi/EjJKSZp4A==
-----END CERTIFICATE-----

Root certificate successfully exported to 'C:\project\certificate.crt'
Root certificate downloaded from 'https://www.google.com/'

C:\project>cert2src.exe https://www.google.com --path --code --width 10

private static readonly byte[] Certificate =
{
     0x2d, 0x2d, 0x2d, 0x2d, 0x2d, 0x42, 0x45, 0x47, 0x49, 0x4e,
     0x20, 0x43, 0x45, 0x52, 0x54, 0x49, 0x46, 0x49, 0x43, 0x41,

     [Intentionally omitted]

     0x2d, 0x2d, 0x2d, 0x2d, 0x45, 0x4e, 0x44, 0x20, 0x43, 0x45,
     0x2d, 0x2d, 0x2d, 0x2d, 0x0d, 0x0a
};

Root certificate successfully exported to 'C:\project\certificate.cs'
Root certificate downloaded from 'https://www.google.com/'

Project Files

Automate the updating of project resources by adding a command target to the bottom of your project .csproj file.

<Target Name="GetSSLCert" BeforeTargets="PrepareForBuild">
  <Exec Command="$(SolutionDir)tools\cert2src.exe https://api.host.com --path $(ProjectDir)Resources" />
</Target>

Contributions

Contributions to this project are always welcome. Please consider forking this project on GitHub and sending a pull request to get your improvements added to the original project.

Disclaimer

All source, documentation, instructions and products of this project are provided as-is without warranty. No liability is accepted for any damages, data loss or costs incurred by its use.