Создание SSL сертификата

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[root@www ~]# cd /etc/pki/tls/certs 
[root@www certs]# make server.key 
umask 77 ; \
/usr/bin/openssl genrsa -aes128 2048 > server.key
Generating RSA private key, 2048 bit long modulus
......................................................++++++
.............++++++
e is 61251 (0x10001)
Enter pass phrase:# set passphrase
Verifying - Enter pass phrase:# confirm
# remove passphrase from private key
[root@www certs]# openssl rsa -in server.key -out server.key 
Enter pass phrase for server.key:# input passphrase
writing RSA key
[root@www certs]#
[root@www certs]# make server.csr 
umask 77 ; \
/usr/bin/openssl req -utf8 -new -key server.key -out server.csr
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [XX]:JP# country
State or Province Name (full name) [e]:Hiroshima   # state
Locality Name (eg, city) [Default City]:Hiroshima# city
Organization Name (eg, company) [Default Company Ltd]:GTS   # company
Organizational Unit Name (eg, section) []:Server World   # department
Common Name (eg, your server's hostname) []:www.server.world   # server's FQDN
Email Address []:xxx@server.world# email address
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:# Enter
An optional company name []:# Enter
[root@www certs]#
[root@www certs]# openssl x509 -in server.csr -out server.crt -req -signkey server.key -days 3650
Signature ok
subject=/C=JP/ST=Hiroshima/L=Hiroshima/O=GTS/OU=Server World/CN=www.server.world/emailAddress=xxx@server.world Getting Private key
[root@www certs]# chmod 400 server.*