You may need to move the mouse for some time, depending on the size of your key. The exact way you are going to move your mouse cannot be predicted by an external attacker. Putty uses mouse movements to collect randomness. Then click Generate, and start moving the mouse within the Window. To create a new key pair, select the type of key to generate from the bottom of the screen (using SSH-2 RSA with 2048 bit key size is good for most people another good well-known alternative is ECDSA). Creating a new key pair for authentication Go to Windows Start menu → All Programs → PuTTY → PuTTYgen. For detailed installation instructions, see PuTTY installation instructions.

There is no need for a separate PuTTYgen download. PuTTYgen is normally installed as part of the normal PuTTY. Contents PuTTYgen download and install Running PuTTYgen Creating a new key pair for authentication Installing the public key as an authorized key on a server Managing SSH keys Changing the passphase of a key Videos illustrating use of PuTTYgen Using PuTTYgen to generate an SSH key How to set up PuTTY SSH keys for passwordless logins using Pagent PuTTYgen download and install

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