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 .

Latest News

Historical contaminated sites are the greatest danger (Part 5 and conclusion)

It is not only the computers of the future that pose a threat to security, it is also the legacy of the past. Over the past two or three decades, it has become clear time and again that the majority of Internet users are struggling to replace insecure protection mechanisms. It usually takes more than […]

Grid-based cryptography will continue to provide protection (Part 4)

The grid-based cryptographic methods are considered to be very secure. This assessment is based on theoretical considerations and mathematical calculations. At the Institute for Microelectronics and Embedded Systems at the University of Applied Sciences of Eastern Switzerland, the focus is less on mathematical theories than on the way in which these theories are technically implemented. […]

Protecting cryptography from quantum computers (Part 3)

Grid-based methods are currently raising great expectations in the development of cryptography that is secure from quantum computers. Mathematicians associate grids with a number of difficult tasks involving the measurement of vector spaces. The difficulty of these problems increases exponentially with the complexity of the grid. For cryptographic applications, grids with hundreds of dimensions are […]

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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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