1openssl req -out CSR.csr -key privateKey.key -new

1openssl rsa -in privateKey.pem -out newPrivateKey.pem

1openssl rsa -in encrypted-private.key -out non-encrypted-private.key 2Enter pass phrase for encrypted-private.key: 3writing RSA key See https://knowledge.digicert.com/solution/SO5292.html

1$ openssl rsa -aes256 -in ./id_rsa -out ./id_rsa.hashed 2writing RSA key 3Enter PEM pass phrase: 4Verifying - Enter PEM pass phrase: You should then use './id_rsa.hashed' as your private key. See https://security.stackexchange.com/questions/59136/can-i-add-a-password-to-an-existing-private-key for details.

1ssh-keygen -y -f ~/.ssh/id_rsa > ~/.ssh/id_rsa.pub See details in https://askubuntu.com/questions/53553/how-do-i-retrieve-the-public-key-from-a-ssh-private-key