Are you new to CAcert?

CAcert.org is a community-driven Certificate Authority that issues certificates to the public at large for free.

CAcert's goal is to promote awareness and education on computer security through the use of encryption, specifically by providing cryptographic certificates. These certificates can be used to digitally sign and encrypt email, authenticate and authorize users connecting to websites and secure data transmission over the internet. Any application that supports the Secure Socket Layer Protocol (SSL or TLS) can make use of certificates signed by CAcert, as can any application that uses X.509 certificates, e.g. for encryption or code signing and document signatures.

If you want to have free certificates issued to you, join the CAcert Community .

If you want to use certificates issued by CAcert, read the CAcert Root Distribution License .This license applies to using the CAcert root keys .

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Messageries et systèmes de confiance, qu’allons-nous laisser à nos enfants?

Un sujet assez proche, et que intéressera sûrement du monde de la communauté parisienne: L’Association des Réservistes du Chiffre et de la Sécurité de l’Information (ARCSI) organise un événement le 7 novembre, à Paris (mardi prochain, toute la journée). «Messageries et systèmes de confiance, qu’allons-nous laisser à nos enfants?» Le programme est particulièrement alléchant, et […]

CAcert @ OpenRheinRuhr, Oberhausen, NRW, DE

Die OpenRheinRuhr in Oberhausen öffnet am Wochenende 4./5. November 2017 wieder ihre Tore für freie Software. Die Veranstaltung im Rheinischen Industriemuseum ist perfekt erreichbar direkt am Hauptbahnhof in Oberhausen. CAcert ist natürlich dabei und informiert vor Ort über Risiken im Internet und Möglichkeiten, die Sicherheit deutlich zu erhöhen. Jeder Interessierte kann sich am Stand von CAcert über kostenfreien Zertifikate, darunter […]

CAcert Inc. has a new Public Officer

Since 2011, Kevin Dawson held as public officer liaison to the New South Wales government offices. At his own request he would like to step a little shorter. The committee of CAcert Inc. regrets this decision and thanks Kevin for his tireless efforts in the background and wishes him all the best for the future. These […]

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For CAcert Community Members

Have you passed the CAcert Assurer Challenge yet?

Have you read the CAcert Community Agreement yet?

For general documentation and help, please visit the CAcert Wiki Documentation site .For specific policies, see the CAcert Approved Policies page.

Do you want to help CAcert?

We are facing an uphill battle to fund this service and could do with your help?
If you can, please donate.
AU$50 per year for this button
or a one off donation for this button whatever you can afford to help

If you are located in Australia, use bank transfer instead.

CAcert bank account details:

  • Account Name: CAcert Inc
  • SWIFT: WPACAU2S
  • BSB: 032073
  • Account No.: 180264


If you want to participate in CAcert.org, have a look here és here.
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