First, confirm the following basic points.
- Authentification is by using SSH key not by password.
- A private key is pair of a public key registered in a D-way submission account.
- A private key file has read permission.
- A private key file permission is set as others cannot access. For example, rw——-.
- A passphrase for private key is correctly entered.
When transferring data files by using a private key generated in the other operating system, please check format of a private key. Convert private key
In Unix/Mac OS X: Convert a key in the Windows PuTTY file format into the OpenSSH.
In Windows WinSCP: Convert a key in the Unix/Mac OS X OpenSSH file format into the Windows PuTTY format.
When these are correct, because we do not support technical details regarding use of third-party softwares, please refer to websites of softwares or confirm your system administrators whether scp (port 22) is allowed or not.
Windows PowerShell
If the private key access permission is too open, following error will be shown.
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: UNPROTECTED PRIVATE KEY FILE! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Permissions for './private-key-for-auth' are too open.
It is required that your private key files are NOT accessible by others.
This private key will be ignored.
Load key "./private-key-for-auth": bad permissions
test07@ftp-private.ddbj.nig.ac.jp: Permission denied (publickey,gssapi-keyex,gssapi-with-mic).
lost connection
Right-click the private key file and select the property.
Select detailed setting of the security tab.
Disable access permission entry inheritance to enable permission deletion.
Convert explicit access permission.
Delete all permissions.
Add access permission.
Add a Windows user (example, test07).
Allow full control to the Windows user.
Change the file permission.
Run scp.