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Home » Eclipse Projects » Oomph » Missing cipher in eclipse installer
Missing cipher in eclipse installer [message #1832823] Fri, 25 September 2020 16:06 Go to next message
Lutz Wrage is currently offline Lutz WrageFriend
Messages: 168
Registered: July 2009
Senior Member
My setup installs plugins from a server that offers only TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 (ecdh_x25519) and TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 (ecdh_x25519) as ciphers for SSL. When running the latest eclipse installer the setup fails with an SSL handshake error when accessing this server (tested on macos Catalina, Kubuntu 20.04, and Win10). When I switch to a separately installed JRE in eclipse-inst.ini installation works.

When running the installer with -Djavax.net.debug=ssl:handshake:verbose I get some indication that curve25519 is not supported:
javax.net.ssl|DEBUG|01|main|2020-09-25 09:35:34.234 EDT|null:-1|jdk.tls.keyLimits: entry = AES/GCM/NoPadding KeyUpdate 2^37. AES/GCM/NOPADDING:KEYUPDATE = 137438953472
javax.net.ssl|WARNING|01|main|2020-09-25 09:35:34.444 EDT|null:-1|Signature algorithm, ed25519, is not supported by the underlying providers

Could it be that something is missing from the minimal JRE in the installer that should be there?

Re: Missing cipher in eclipse installer [message #1832835 is a reply to message #1832823] Sat, 26 September 2020 06:13 Go to previous message
Ed Merks is currently offline Ed MerksFriend
Messages: 32111
Registered: July 2009
Senior Member
Yes, this bug was opened:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=567050

I've just done an Oomph nightly build that includes the Java 15.0.1 JRE with the jdk.crypto.ec in the minimal version.

https://download.eclipse.org/justj/?file=oomph/products/latest

All the installers (with and without a JRE) are also available here:

https://wiki.eclipse.org/Eclipse_Installer

The nightly ones have the new JRE version; the milestone ones will have that too, after the first milestone build for 2020-09 M1 next month.

It would be great if you could test the new nightly version with a JRE and report any problems in Bug 567050.


Ed Merks
Professional Support: https://www.macromodeling.com/
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