X509 GUI Certificate Viewer download

Features

X509 viewer tool for Windows and Linux Mono . Displays Offline and Online certificates with the associated CRL and/or OCSP data.
Offline : drag/drop certificate files to show content. All files formats are accepted. Also works with PEM encoded certificate from clipboard.
Online : paste the URL to download and show content . TLS (https, wss), DTLS, OPC UA, QUIC and SMTP StartTLS protocols are supported.
Click on the CRL link to download and view it. Allows to save it to a file.
Click on the OCSP link to check the revocation status. Shows if signature is delegated.
Certificate validation done with the Windows/Linux Store and with a private PKI.
True validation of Signatures in the Signed Certificate Timestamp List
Can be used to extract a certificate from an existing OPC/TLS/DTLS/QUIC/SMTP server with one click.
Can be used as a format converter tool : .pfx, .der (binary), .crt/.pem (base64) to .der or .crt/.pem
Can check (unencrypted) Private key file pairing with the current certificate. A simple drop of the file with the key is enough.
Essential for teaching and verification of OPC/TLS/DTLS/QUIC/SMTP secure servers.
... and a standalone tool dedicated to OPC UA Endpoints & Certificates

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License

MIT License

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Additional Project Details

Operating Systems

Linux, Windows

User Interface

.NET/Mono

Programming Language

Related Categories

C# Security Software

Registered

2023-01-01

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