Sftp public keys in success factors

Hi all,

We have saved SAP PI system pgp public keys in sf system and pgp encryption working fine.

In sftp channel now we are using user name password based authentication. But now i need to change sftp channel configuration based on key store based authentication.

Now my question is in sf system where i need to Save pi system sftp public keys.

Please help me.

Thanks in advance,

Vishnu pallamreddy.