Question

How is web server private key generated? Research openssl on CentOS 7 to understand the key generation algorithm. In one or two sentences, summarize your answer.

Answer 1

Generating private key :

1)login to the account using ssh.

2)at command prompt type

openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr

3)at the country name prompt type the two letter country code for your location and press enter

4)at the state prompt fill the details

5) fill the details of locality name,organisation name,organisational unit name

6) at the common name prompt type the domain name that you want to secure with the ssl certificate and then press enter

7) at email address fill email address that you want to associate with the certificate and then enter

8)at challenge password press enter

9) openssl generates the private key and also csr files

Creating ssh keys on centOs

create ssh key pair

start by logging into the source machine and creating a 2048 bit rsa key pair using coomand

ssh-keygen -t rsa

or else you can use 4096 bit also

after entering command you will see a promt

to save the file in the suggested directory press enter

comment if you have any doubts