Hi,

Please ignore my previous response to your question - sorry I misunderstood the question.

When I used "ssh" to login to the remote Windows system, I used the password set up for that system.
Similarly, I used the same password to invoke file transfer via "scp".
Both commands would work with or without passphrases defined in ~/.ssh/id_dsa.pub and id_dsa.
Thus, my "scp" example did not use passphrase.

Regarding your comment on curl not using passphrase: If curl did not use passphrase in my example, why did it complain about "Username/PublicKey combination invalid" (as shown in the output using the latest version of libssh2)? Should it look into ~/.ssh/known_hosts file just like "scp"?

[mnguyen_at_minh65vm bin]$ ./curl -v -k scp://10.10.16.96/home/mnguyen/test
Hostname was NOT found in DNS cache
Trying 10.10.16.96...
Connected to 10.10.16.96 (10.10.16.96) port 22 (#0)
SSH MD5 fingerprint: 28c9ed920380957018d758608272e6dd
SSH host check: 0, key: AAAAB3NzaC1yc2EAAAADAQABAAABAQC7uJ8LtpUXcBqng9Xmr6V9tUR8Q0l3tKQ2dz+1wnZznnF6cxUn7U+tbvWNt6oLg94bIJwJbQy8WwD0fNVkk2DSObjiyl0rnFxd6vmvo5YcfNyXO0lnALmGbkyeahZPm0mt6RArN+3cwL8ZZRzmmoWP4uFDEN4vNn4RielOGcWRfOimPws9P8XEwfjRkQKoKsaRiUBBUjj49clAphnr4bFuBu5fDt/hK/oSSRcLWCLuF3CE2Y2pVHKSVXfzDd6JLceke5nSFJXcKbqCcs6WXuiV9cRn61i9WbskzZ8QunUIqcvw2cfvywHv0S8QhbNkwdwCwMvbefCfQDWkq4u/PY4l
SSH authentication methods available: publickey,password,keyboard-interactive
Using ssh public key file /home/mnguyen/.ssh/id_dsa.pub
Using ssh private key file /home/mnguyen/.ssh/id_dsa
SSH public key authentication failed: Username/PublicKey combination invalid
Failure connecting to agent
Authentication failure
Closing connection 0
curl: (67) Authentication failure

Thanks,
M. Nguyen

From: Daniel Stenberg [mailto:bagder_at_users.sf.net]
Sent: Sunday, March 09, 2014 5:05 PM
To: [curl:bugs]
Subject: [curl:bugs] #1336 SCP login failure on Windows XP

Your command line examples with curl uses no passphrase! Do you use passphrase with scp?

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** [bugs:#1336] SCP login failure on Windows XP**
**Status:** open
**Created:** Wed Feb 19, 2014 09:45 PM UTC by Minh Nguyen
**Last Updated:** Mon Mar 10, 2014 12:05 AM UTC
**Owner:** Daniel Stenberg
Curl version: 7.35.0
I set up the SSHd service (using Cygwin) on my Windows XP system 10.10.16.96.
1. When I used "scp" to download a file from the Windows box, I did not have any problem:
$ scp mnguyen_at_10.10.16.96:/home/mnguyen/test /tmp
mnguyen_at_10.10.16.96's password:
test                                            100%   16     0.0KB/s   00:00
2. However, when I used "curl" to download the same file, I got errors:
$ ./curl -v -u mnguyen scp://10.10.16.96/home/mnguyen/test
Enter host password for user 'mnguyen':
* Hostname was NOT found in DNS cache
*   Trying 10.10.16.96...
* Connected to 10.10.16.96 (10.10.16.96) port 22 (#0)
* SSH MD5 fingerprint: 28c9ed920380957018d758608272e6dd
* SSH host check: 2, key: <none>
* Closing connection 0
curl: (51) SSL peer certificate or SSH remote key was not OK
Should "curl" use the same key defined in .ssh/known_hosts (as "scp" used)?
Note that I don't have any problem using "curl" to download a file from a Linux system.
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