With Puttygen you generated 2 keys on your windows machine. You have to generate 2 keys (private and public) on the Raspberry too. Append the public key from the raspberry to the file in .ssh dir on the Synology. Thats all. Google for more (scripting) info. Thanks for your answer. I'm not sure that ...

Hello, After several researches on Google, I try to connect through ssh from my Raspberry (with Domoticz) to my Synology NAS with a key to log without entering a password. What I've done unitl now allow me to connect from Putty to my NAS without password (with key created thanks to Puttygen) -> Thus ...