Hi,
+-From: Nick <equn...@gmail.com> ---------
|_Date: Fri, 12 Sep 2014 12:24:37 +0400 __
|
|I got the following:
...
|> Remote version string: SSH-2.0-1.36_sshlib GlobalSCAPE
...
>> kex: server: diffie-hellman-group1-sha1
Frankly to say, there is no hope to connect to that sshd by using
JSch with Java8. It seems that sshd from GlobalSCAPE will use
the longer(>1024) key for "diffie-hellman-group1-sha1", but 1024 length
key must be used in that key exchage method, as defined in RFC4253[1].
IMHO, it is the implementation bug of GlobalSCAPE.
The second problem is that Java8 has been suddenly changed to reject
long key(>1024) for DSA Signature[2].
If you need to use that sshd, check its configuration or
vote that issue entry[2] to fix that undocumented breaking change.
[1] http://tools.ietf.org/html/rfc4253#section-8.1
[2] https://bugs.openjdk.java.net/browse/JDK-8039921
Sincerely,
--
Atsuhiko Yamanaka
JCraft,Inc.
1-14-20 HONCHO AOBA-KU,
SENDAI, MIYAGI 980-0014 Japan.
Tel +81-22-723-2150
Skype callto://jcraft/
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