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javasshsftpjsch

How to use private key without password in JSch?

I am trying to use JSch to SFTP a file to a remote location. Per this article, when you do SFTP, you can use either a private key or a password for authentication. We are doing private-key authentication.

JSch has a method called addIdentity() where you register your private key, but it also takes a password:

void addIdentity(String prvkey, String passphrase)

Adds an identity to be used for public-key authentication.

Does this refer to the private key also being password-protected itself? What if the private key has no password protection?

Solution

  • Yes, that's a passphrase (not a password) used to encrypt the private key file.

    If your private key is not encrypted, use the overload that does not take the passphrase.

    public void addIdentity(String prvkey)