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--- services:2fa:ssh:putty [2021/03/22 14:26] – deul
+++ services:2fa:ssh:putty [2021/03/26 15:31] (current) – deul
@@ Line 1: / Line 1: @@
 ======Setup key based login from Putty======
-Before we can use key based login, we first need to create a private/public key set. This is done by the program PuTTYgen. Open this program:
+Before we can use key based login, we first need to create a private/public key set. This is done by the [[https://the.earth.li/~sgtatham/putty/latest/w64/puttygen.exe|program PuTTYgen]]. Open this program:
 {{ :services:2fa:ssh:putty_1.png?400 |}}
-and hit the 'Generate'key. You will have to move your mouse around as this will help randomness in the creation of the key pair. Once the keys have been created you need to save each key in its own file.
+and provide a passphrase before hiting the 'Generate'key. You will have to move your mouse around as this will help randomness in the creation of the key pair. It is strongly advised to provide a complex passphrase which is not your account password!, as this is the only way to secure illegal use of your key pair. Once the keys have been created you need to save each key in its own file.
 {{ :services:2fa:ssh:putty_2.png?400 |}}
@@ Line 20: / Line 20: @@
 {{ :services:2fa:ssh:putty10.png?400 |}}
-Open the login session to the server (you still have to provide your password), then go to the .ssh directory and edit the authorized_keys file using an editor (e.g. vi) and paste in the copied text from the public file. Make sure the pasted text is one line! Perpend that line with ssh-rsa (the default key type from puttygen) and save the file.
+Open the login session to the server (you still have to provide your password), then go to the .ssh directory and edit the authorized_keys file using an editor (e.g. vi) and paste in the copied text from the public file. Make sure the pasted text is one line! Perpend that line with ecdsa-sha2-nistp256 (the selected key type from puttygen) and save the file.
 {{ :services:2fa:ssh:putty12.png?400 |}}
-Once the authorized_key file is saved, you can login without typing your password/2fa code.
+Once the authorized_key file is saved, you can login without typing your password/2fa code, you just have to provide the passphrase.

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