Jsch does not support the key format used by fsecure. You can convert
your keys using OpenSSH's ssh-keygen utility
Sent from my iPod
On Jan 26, 2011, at 11:32 AM, RamaKrishna <[email protected]> wrote:
Hello All,
I am using jsch-0.1.43.jar in my project. And my server has FSecure
bash-3.00$ ssh -V
ssh: Reflection for Secure IT 6.1.3.0 (build 3077) on sparc-sun-
solaris2.10 (32-bit)
The private key generated looks like :
---- BEGIN SSH2 ENCRYPTED PRIVATE KEY ----
Subject: user
Comment: "2048-bit rsa, user@host, Wed Jan 26 2011 01:02:42 -050\
0"
When I try to execute a program remotely it is failing with
following exception:
bash-3.00$ com.jcraft.jsch.JSchException: invalid privatekey: /home/
user/.ssh2/id_rsa_2048_a
at com.jcraft.jsch.IdentityFile.<init>(IdentityFile.java:261)
at com.jcraft.jsch.IdentityFile.newInstance
(IdentityFile.java:135)
at com.jcraft.jsch.IdentityFile.newInstance
(IdentityFile.java:130)
at com.jcraft.jsch.JSch.addIdentity(JSch.java:206)
at com.jcraft.jsch.JSch.addIdentity(JSch.java:192)
I debugged this issues and figured that Jsch is failing in
IdentityFile.java program
part of IdentityFile.java prog
private IdentityFile(String name, byte[] prvkey, byte[] pubkey,
JSch jsch) throws JSchException{
this.identity=name;
this.jsch=jsch;
try{
Class c;
c=Class.forName((String)jsch.getConfig("3des-cbc"));
cipher=(Cipher)(c.newInstance());
key=new byte[cipher.getBlockSize()]; // 24
iv=new byte[cipher.getIVSize()]; // 8
c=Class.forName((String)jsch.getConfig("md5"));
hash=(HASH)(c.newInstance());
hash.init();
byte[] buf=prvkey;
int len=buf.length;
int i=0;
while(i<len){
if(buf[i] == '-' && i+4<len &&
buf[i+1] == '-' && buf[i+2] == '-' &&
buf[i+3] == '-' && buf[i+4] == '-'){
break;
}
i++;
}
while(i<len){
...
My key has only four '-' characters at the start of key, but the
program is checking for five '-' characters in the first while loop.
Eventually it is setting value of i to lenght of the byte array. and
it never when into the second while and didn't find the key type and
failing with Invalid Key exception.
Please if you need my complete program, it can be found at
http://techpalli.blogspot.com/p/jsch-api.html
Thanks,
RK.
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February 28th, so secure your free ArcSight Logger TODAY!
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