Intellij IDEA License Activation (SSLHandshakeException)

I’m trying to active Intellij IDEA (14) with my educational license under Ubuntu-gnome (15.4) getting an SSLHandshakeException:

JetProfile connection error: SSLHandshakeException: java.security.cert.CertificateException: java.security.SignatureException: Signature length not correct: got 256 but was expecting 512

Then it says “Intellij was not able to detect your proxy configuration”, although I do not have a proxy and my network settings are configured to have no proxy. The support there told me to check my direct connection to https://lservice-auth.jetbrains.com/. Chrome says this connection isn’t safe:

NET::ERR_CERT_AUTHORITY_INVALID

Intellij-Error screenshot: http://i.imgur.com/bZtzT9P.png


Source: ubuntu

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