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I am currently trying to use git on windows using ssh. I generated a key (with ssh-keygen -t rsa) and added the public key to github. Unfortunately, everytime I connect the following appears:

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @ WARNING: UNPROTECTED PRIVATE KEY FILE! @ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ Permissions 0644 for 'C:\\Users\\DaGeRe\\.ssh\\id_rsa' are too open. It is recommended that your private key files are NOT accessible by others. This private key will be ignored. bad permissions: ignore key: C:\\Users\\DaGeRe\\.ssh\\id_rsa Enter passphrase for C:\Users\DaGeRe\.ssh\id_rsa:

So, to get this working, I've done chmod 700 (like recommended in endless posts, for example SSH Private Key Permissions using Git GUI or ssh-keygen are too open ), and ls returns the following:

-rw-r--r-- 1 DaGeRe mkpasswd 951 May 20 10:59 id_rsa -rw-r--r-- 1 DaGeRe mkpasswd 239 May 20 10:59 id_rsa.pub

But unfortunately, ssh-add C:\Users\DaGeRe.ssh\id_rsa or ssh -T [email protected] stillreturns the error. The chmod command does not seem to work, even chmod -c 700 id_rsa (like said here: https://superuser.com/questions/397288/using-cygwin-in-windows-8-chmod-600-does-not-work-as-expected) does not change anything.

Trying to remove all rights with windows (by the menues in settings) also does not work. After adding the User "Everyone" (German: "Jeder", the user may be called different in english windows) in Properties -> Safety (also translated by me from "Eigenschaften -> Sicherheit") and rejecting any access for him, the warning disappears.

With the first, empty passphrase-key, the following output came out of ssh-add: 

C:\Users\DaGeRe\.ssh>ssh-add id_rsa Enter passphrase for id_rsa:

And after this, nothing is displayed. But ssh-add -l also returns nothing:

C:\Users\DaGeRe\.ssh>ssh-add -l The agent has no identities.

If I add an passphrase, it always says the passphrase is wrong, with the wrong rights (so the message from the beginning appears) and with the right rights (so no error appears, but it still says that the right phrase is wrong).

I am using OpenSSH 3.8.1 for windows and I don't have cygwin installed.

So somehow it seems to not be added, even if the rights are set correct. I'd be glad if anyone had an hint how to solve this problem.

This is the output of ssh -vT [email protected]

OpenSSH_3.8.1p1, OpenSSL 0.9.7d 17 Mar 2004 debug1: Reading configuration data /cygdrive/c/Users/DaGeRe/.ssh/config debug1: Applying options for github.com debug1: Reading configuration data /etc/ssh_config debug1: Connecting to github.com [192.30.252.130] port 22. debug1: Connection established. debug1: identity file "/cygdrive/c/Users/DaGeRe/.ssh/id_rsa" type -1 debug1: Remote protocol version 2.0, remote software version libssh-0.6.0 debug1: no match: libssh-0.6.0 debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_3.8.1p1 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-cbc hmac-sha1 none debug1: kex: client->server aes128-cbc hmac-sha1 none debug1: sending SSH2_MSG_KEXDH_INIT debug1: expecting SSH2_MSG_KEXDH_REPLY debug1: Host 'github.com' is known and matches the RSA host key. debug1: Found key in /cygdrive/c/Users/DaGeRe/.ssh/known_hosts:1 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Trying private key: "/cygdrive/c/Users/DaGeRe/.ssh/id_rsa" debug1: No more authentication methods to try. Permission denied (publickey).
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  • what was the exact chmod command you ran? Because after a correct chmod command, ls would show -rw------ not -rw-r--r-- Commented May 20, 2014 at 9:33
  • This is probably what you need to do: cd .ssh, then chmod 700 * Commented May 20, 2014 at 9:34
  • I've run chmod 700 id_rsa (in the correct folder), it seems like it works. If I do it with a not-existing file, it says "chmod: getting attributes of `asd': No such file or directory". But I have no clue why it hasn't set the rights right.. Commented May 20, 2014 at 9:41
  • What makes it seem like it works? If you do ls -l id_rsa straight afterwards, what does it show? Commented May 20, 2014 at 9:50
  • It shows -rw-r--r-- 1 DaGeRe mkpasswd 951 May 20 10:59 id_rsa. I thought it would work, because if chmod can't find a file, it shows an error. chmod -c 600 id_rsa (like here: superuser.com/questions/397288/… ) also returns nothing. What is maybe important, too: I have only OpenSSH and some comands installed, not the whole cygwin. Commented May 20, 2014 at 10:11

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After some trying, I found a working workaround for that problem, using windows and running git: Use Putty instead of OpenSSH.

One has to set GIT_SSH to Plink (in my case SET GIT_SSH=C:\PortablePrograme\putty\PLINK.EXE) and start pagent as described here: http://guides.beanstalkapp.com/version-control/git-on-windows.html (If one has an ssh-key, that is already created and added to e.g. github, one can get this into the putty-format with conversions, instead of creating a new key).

I guess that this is only one possible solution to the problem, and I'll be glad to hear if anyone has another solution.

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