> ## Documentation Index > Fetch the complete documentation index at: https://developers.techwolf.ai/llms.txt > Use this file to discover all available pages before exploring further. # How To: Add an SSH Key to the Integration Center Integration Center schedules connect to the TechWolf [SFTP server ](/integrations/reference/sftp/sftp) with either a username and password, or a username and SSH key. This guide covers the SSH key option: SAP SuccessFactors generates the key pair in the Security Center, you share the public key with TechWolf, and the Integration Center schedules authenticate with it. The private key never leaves SAP SuccessFactors. Enter `Security Center` in the search bar at the top of the screen and open it. Click the `Other Keys` tile. Click `Add` at the top left of the key list and fill in the form: * Name: a recognisable name, e.g. `TechWolf SFTP Key` * Category: `Authentication Key (SSH)` * Key Size: `4096 bits` * Valid From and Valid Until: optional. When set, the schedules stop working after the `Valid Until` date, so set a reminder to rotate the key before it expires. Click `Generate and Save`. Select the new key in the list and click `Download Public Key` at the top right. This downloads a `.pub` file. Send the `.pub` file to your TechWolf representative. TechWolf registers the key on the SFTP server and sends back the SFTP user name linked to it. When loading the [export ](/integrations/datasource-integrations/sap-standard-input-integration/how-to-load-export-integration-definitions) or [import ](/integrations/datasource-integrations/sap-standard-input-integration/how-to-load-import-integration-definitions) integration definitions, fill in the Destination Settings (exports) or Source Settings (imports) page as follows: * Authentication Type: `Certificate based Authentication` * SFTP User Name: the user name TechWolf sent back * Authentication Key: the key generated above, e.g. `TechWolf SFTP Key`. The dropdown only lists keys present in the Security Center.