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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 .

Latest News

CAcert Event in Staffordshire – 11th Feb 2020

Good news: There will be a CAcert event in the United Kingdom! The CAcert event will be on the 11th February 2020. The main talk will begin at 7pm, the doors will be open for earlier arrivals from 6pm onwards. The CAcert Event will be at the StaffsLUG Workshop, Innovation Centre, The University of Keele, University Drive, […]

New Committee constituted

The constituent meeting of the comittee took place on December, 23rd 2019. At this meeting, Sascha T was given a warm welcome. Furthermore, strategic issues were discussed and offices were allocated within the board. Brian M will remain president, Peter N vice president and Etienne R secretary. The office of treasurer will be filled definitively […]

Deutschland ist wieder im CAcert-Vorstand vertreten

An der Generalversammlung wurde die Jahresrechnung 2018/19 genehmigt und der Vorstand im Amt bestätigt. Infolge Rücktritt konnte ein Sitz neu besetzt werden. Mit Sascha T ist Deutschland wieder im Vorstand vertreten. Das macht durchaus Sinn, ist doch die CAcert-Gemeinschaft in diesem Land sehr stark. English: At the General Meeting, the annual accounts for 2018/19 were […]

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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.

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If you can, please donate.
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CAcert bank account details:

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


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