---
name: "secutil"
section: "1"
platform: "linux"
package: "mono"
version: "6.12.0.206-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/secutil"
---

# secutil(1)

Extract X.509 certificates and strongnames from assemblies.

## NAME

secutil - Extract X.509 certificates and strongnames from assemblies.

## SYNOPSIS

**secutil \[options\] filename**

## DESCRIPTION

Extract X.509 certificates and strongnames from assemblies in a  format that can be easily re-used in source code (C# or VB.NET syntax).

## OPTIONS

- *-s assembly , -strongname assembly*

  Display strongname informations about the assembly.

- *-x assembly , -x509certificate assembly*

  Display the X509 Authenticode certificate for the assembly.

- *-a , -array*

  Display data in a decimal array (default).

- *-v , -vbmode*

  Display data in a VisualBasic friendly format.

- *-c , -cmode*

  Display data in a C/C++/C# friendly format (default).

- *-help , -h , -?*

  Display help about this tool.

## AUTHOR

Written by Sebastien Pouliot

## COPYRIGHT

Copyright (C) 2002, 2003 Motus Technologies.  Released under BSD license.

## MAILING LISTS

Visit http://lists.ximian.com/mailman/listinfo/mono-devel-list for details.

## WEB SITE

Visit http://www.mono-project.com for details

## SEE ALSO

**[sn(1)](/sn/1.md),**[signcode(1)](/signcode/1.md)