Hello ,

Could you please let us know how do we resolve this issue. This is very 
urgent and blocking for us.

Thanks and Regards,
Usha L



From:   Anurag Panda/India/IBM
To:     y...@jcraft.com (Atsuhiko Yamanaka)
Cc:     Usha Ladkani/India/IBM@IBMIN
Date:   04/03/2013 04:12 PM
Subject:        Re: [JSch-users] com.jcraft.jsch.JSchException: 
Session.connect: java.io.IOException: End of IO Stream Read


Hi,

I tried connecting to OpenSSH 6.2p1. But the algorithm negotiation failed 
as matching HMAC algorithms were not found. I am pasting the log 
statements below. hmac-sha2-256 is not supported in OpenSSH 6.2p1. So 
possibly it is not supported in OpenSSH 6.0p1 also, with which you have 
tested.

Log statements:
INFO: Connecting to 9.113.226.52 port 22
INFO: Connection established
INFO: Remote version string: SSH-2.0-OpenSSH_6.2
INFO: Local version string: SSH-2.0-JSCH-0.1.49
INFO: CheckCiphers: 
aes256-ctr,aes192-ctr,aes128-ctr,aes256-cbc,aes192-cbc,aes128-cbc,3des-ctr,arcfour,arcfour128,arcfour256
INFO: aes256-ctr is not available.
INFO: aes192-ctr is not available.
INFO: aes256-cbc is not available.
INFO: aes192-cbc is not available.
INFO: arcfour256 is not available.
INFO: CheckKexes: diffie-hellman-group14-sha1
INFO: SSH_MSG_KEXINIT sent
INFO: SSH_MSG_KEXINIT received
INFO: kex: server: 
diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,diffie-hellman-group1-sha1
INFO: kex: server: ssh-rsa,ssh-dss
INFO: kex: server: 
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-...@openssh.com,aes256-...@openssh.com,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se
INFO: kex: server: 
aes128-ctr,aes192-ctr,aes256-ctr,arcfour256,arcfour128,aes128-...@openssh.com,aes256-...@openssh.com,aes128-cbc,3des-cbc,blowfish-cbc,cast128-cbc,aes192-cbc,aes256-cbc,arcfour,rijndael-...@lysator.liu.se
INFO: kex: server: 
hmac-md5-...@openssh.com,hmac-sha1-...@openssh.com,umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-ripemd160-...@openssh.com,hmac-sha1-96-...@openssh.com,hmac-md5-96-...@openssh.com,hmac-md5,hmac-sha1,umac...@openssh.com,umac-...@openssh.com,hmac-ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96
INFO: kex: server: 
hmac-md5-...@openssh.com,hmac-sha1-...@openssh.com,umac-64-...@openssh.com,umac-128-...@openssh.com,hmac-sha2-256-...@openssh.com,hmac-sha2-512-...@openssh.com,hmac-ripemd160-...@openssh.com,hmac-sha1-96-...@openssh.com,hmac-md5-96-...@openssh.com,hmac-md5,hmac-sha1,umac...@openssh.com,umac-...@openssh.com,hmac-ripemd160,hmac-ripemd...@openssh.com,hmac-sha1-96,hmac-md5-96
INFO: kex: server: none,z...@openssh.com
INFO: kex: server: none,z...@openssh.com
INFO: kex: server: 
INFO: kex: server: 
INFO: kex: client: 
diffie-hellman-group1-sha1,diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1
INFO: kex: client: ssh-rsa,ssh-dss
INFO: kex: client: blowfish-cbc
INFO: kex: client: blowfish-cbc
INFO: kex: client: hmac-sha2-256
INFO: kex: client: hmac-sha2-256
INFO: kex: client: none
INFO: kex: client: none
INFO: kex: client: 
INFO: kex: client: 
INFO: Disconnecting from 9.113.226.52 port 22
com.jcraft.jsch.JSchException: Algorithm negotiation fail
        at com.jcraft.jsch.Session.receive_kexinit(Session.java:559)
        at com.jcraft.jsch.Session.connect(Session.java:299)
        at com.jcraft.jsch.Session.connect(Session.java:162)
        at SFTP1.connect(SFTP1.java:48)
        at SFTP1.main(SFTP1.java:17)

Thanks & regards,
Anurag,
Advisory Software Engineer,
WPG, MEG, B2B & Commerce, Industry Solutions, ISL, IBM,
#4/1, 2nd floor, Tower D, IBC Knowledge Park, Bannerghatta road, 
Bangalore, India - 560029.
Phone (O): +91-80-49126451, ext: 26451, Tie-line: 26451.




From:   y...@jcraft.com (Atsuhiko Yamanaka)
To:     Usha Ladkani/India/IBM@IBMIN, 
Cc:     jsch-users@lists.sourceforge.net, Anurag Panda/India/IBM@IBMIN
Date:   03/29/2013 02:45 PM
Subject:        Re: [JSch-users] com.jcraft.jsch.JSchException: 
Session.connect: java.io.IOException: End of IO Stream Read



Hi,

   +-From: Usha Ladkani <uladk...@in.ibm.com> --
   |_Date: Thu, 28 Mar 2013 14:23:25 +0530 _____
   |
   |We are using JSCH library to implement our SFTP client.
   |We need to use hmac 256 and hmac 512  algorithm so as to make our 
client 
   |NIST SP 800 enabled.
   |We found that jsch-0.1.49 supports hmac 256.
   |I have implemented the code to have 
   ...

   |config.put("cipher.c2s", "3des-cbc,aes192-cbc,aes128-cbc,aes256-cbc");
   |config.put("mac.c2s", "hmac-sha2-256");
   |session.setConfig(config);
   |session.connect();
   ...
   |com.jcraft.jsch.JSchException: Session.connect: java.io.IOException: 
End 
   |of IO Stream Read

I could not reproduce such an exception with Sun's java6u29 running on 
Ubuntu10 in connecting to the sshd of OpenSSH 6.0p1 on Ubuntu 12.10.
It is helpful if you show how to reproduce that exception.


Sincerely,
--
Atsuhiko Yamanaka
JCraft,Inc.
1-14-20 HONCHO AOBA-KU,
SENDAI, MIYAGI 980-0014 Japan.
Tel +81-22-723-2150
Skype callto://jcraft/
Twitter: http://twitter.com/ymnk
Facebook: http://facebook.com/aymnk


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