Create_Example_Keypair_and_CSR

?  openssl-samples  cd EXAMPLE.COM 

?  EXAMPLE.COM  openssl genrsa -out example.com.key 2048
Generating RSA private key, 2048 bit long modulus
.................................................+++
..............................................................................................+++
e is 65537 (0x10001)

?  EXAMPLE.COM  openssl req -new -sha256 -key example.com.key -out www.example.com.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) [AU]:DE
State or Province Name (full name) [Some-State]:Baden-Wuerttemberg
Locality Name (eg, city) []:Aalen      
Organization Name (eg, company) [Internet Widgits Pty Ltd]:Example Dot Com GmbH
Organizational Unit Name (eg, section) []:
Common Name (e.g. server FQDN or YOUR name) []:www.example.com
Email Address []:

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:

?  EXAMPLE.COM  ls
example.com.key     www.example.com.csr

?  EXAMPLE.COM  openssl req -in www.example.com.csr -noout -text
Certificate Request:
    Data:
        Version: 0 (0x0)
        Subject: C=DE, ST=Baden-Wuerttemberg, L=Aalen, O=Example Dot Com GmbH, CN=www.example.com
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
            RSA Public Key: (2048 bit)
                Modulus (2048 bit):
                    00:bc:54:2e:e3:a1:1f:b2:3a:79:00:d5:4c:a3:6f:
                    9c:2d:fe:99:ff:e9:ef:35:60:5a:48:4c:55:5a:3b:
                    21:73:be:a4:89:88:98:f6:09:62:3b:17:b5:3c:c9:
                    b6:3d:a8:3c:6b:23:a5:d5:7c:8a:68:0e:cf:ae:9a:
                    c1:9e:c6:2b:9a:9f:f9:17:c3:17:b2:56:68:60:a9:
                    72:2b:91:ac:35:5f:57:59:b7:3d:79:0d:49:25:2e:
                    54:c9:81:9f:49:26:0a:ec:c0:a7:56:03:0f:ae:32:
                    eb:8c:0e:e7:06:96:07:55:b7:73:c0:29:5e:44:94:
                    0b:eb:53:e3:3c:b9:5a:f3:09:19:06:9c:b9:8e:9f:
                    64:61:be:d8:c2:5c:cb:d2:9c:b6:78:11:f1:7c:86:
                    2e:2e:78:cf:ae:86:94:82:22:9f:e5:13:af:77:45:
                    c6:86:a9:cc:40:74:21:fa:db:9f:05:cc:fe:34:f0:
                    a4:d1:c7:51:5a:ea:bc:a0:4e:a5:1e:6f:61:3e:c8:
                    86:69:da:b8:c9:83:52:57:d5:a8:fc:8e:e6:e3:20:
                    6c:04:88:ef:f0:08:e8:ae:ac:8a:b5:ef:5a:af:a8:
                    86:2b:d4:76:b4:37:03:22:e4:b0:6d:85:7d:a7:49:
                    38:ac:c4:19:d1:b0:7a:72:0f:f0:1c:42:43:eb:3d:
                    22:79
                Exponent: 65537 (0x10001)
        Attributes:
            a0:00
    Signature Algorithm: sha256WithRSAEncryption
        1b:f4:02:80:9d:30:68:99:2c:37:94:9b:9a:a2:f0:1f:b9:8c:
        97:31:fb:41:0c:2d:98:48:b5:75:36:0b:94:6f:e3:31:67:c7:
        f0:3d:f7:4d:48:d0:ec:bb:de:8a:56:8d:93:91:0e:29:21:18:
        33:58:3e:64:48:00:4f:69:1f:d3:02:39:ab:74:e0:31:f2:2e:
        75:6a:ba:88:66:d1:53:fc:ff:ed:0a:b5:d8:0f:ca:08:ef:1f:
        9f:96:7f:bd:d8:ba:59:2d:a4:1c:c8:5c:59:a9:4d:4c:36:fb:
        a0:a5:74:13:21:f1:3f:30:7b:f3:f5:c2:3e:fa:24:7d:61:9a:
        c6:75:60:de:b6:32:7e:77:3a:19:d2:ec:e4:95:e8:0a:73:68:
        eb:09:f8:c4:10:44:b4:30:f7:22:97:95:a5:9e:f0:bb:92:ea:
        16:1b:bb:5c:ba:fb:b9:93:24:35:0d:51:6b:19:7f:94:bc:31:
        43:74:c3:7b:62:67:86:ea:47:24:f2:17:2d:02:19:6b:36:56:
        fc:68:56:26:92:85:90:70:21:3e:54:c9:7a:69:31:26:5c:a6:
        de:48:d6:9e:77:47:0d:42:5b:7a:8d:28:09:71:18:e6:8f:b7:
        fd:a3:ca:0b:07:b6:41:43:6b:6e:a9:6f:ab:89:01:89:cd:16:
        03:59:95:3c