Are you new to CAcert? 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 .


Die Sternsinger sind wieder unterwegs

Und es kamen #Assurer aus dem #Osten und brachten dem Kind #Geschenke mit: einen #Fingerprint, ein freies #Zertifikat und einen digitalen #Identitästausweis. Sei auch du ein #König und verbreite #CAcert in der ganzen #Welt #Gib_Dich_als_Assurer_zu_erkennen

The carol singers come on Epiphany Day

And #Assurer came from the #east and brought #gifts to the #child: a #Fingerprint, a #free #Certificate and a #digital #identity card. Be a #King and spread #CAcert all over the #world! on a #holiday or a #business #trip

What will the Post look like in ten years?

Roberto Cirillo has been CEO of Swiss Post for just under two years. Before that, he was a McKinsey consultant, CEO of the British hospital group Optegra and head of the activities of the service company Sodexo in France. Cirillo took up his post with the aim of stopping the downward trend. In the past […]

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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
  • BSB: 032073
  • Account No.: 180264

If you want to participate in, have a look here and here.
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