Witamy w 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 .Licencja ta dotyczy warunków używania CAcert root keys .

Ostatne Wiadomości

Finally: Create a Client Certificate in the Browser

Since Google and Mozilla have removed the <keygen> element we use from the HTML standard and from their browsers, we have endeavoured to provide a valid replacement so that client certificates can once again be created so easily that even my grandmother could do it. Finding a solution was not easy; other CAs were also […]

Visit at the Datacenter on 2024-02-02

Today we visited the datacenter again to return the newly installed backup machine webdb2 and verify some settings on the signer machines. While we were onsite, we updated neary all critical machines (including our main firewall), which caused outages of some minutes of our services. After all updates were done we ran some tests including […]

Client certificate login temporarily not possible

Today we had been informed about an issue with client certificates issued on or after December 20, 2023 being used for login to www.cacert.org. We did immediately switched off the login to www.CAcert.org for investigation. We just activated the Username/Password-Login again, but keep the certificate login closed until the issue is resolved. We will give […]

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Dla członków wspólnoty CAcert

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.

Czy chciałbyś pomóc w rozwoju CAcert?

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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.

Dane konta bankowego organizacji CAcert:

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


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