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Code Block
languagebash
titleCreate Root CA Certificate
linenumberstrue
# Generate Root Certificate Authority (CA) Private Key
openssl ecparam -name prime256v1 -genkey -noout -out root-ca.key

# Generate Root CA Certificate
openssl req -new -x509 -sha256 -key root-ca.key -out root-ca.crt

# 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]:DE
# State or Province Name (full name) []:Berlin
# Locality Name (eg, city) [Default City]:Berlin
# Organization Name (eg, company) [Default Company Ltd]:SOS
# Organizational Unit Name (eg, section) []:JS7
# Common Name (eg, your name or your server's hostname) []:JS7 Deployment CA
# Email Address []:


Explanation:

As a response to the second command the OpenSSL utility prompts for a number of specifications for the Distinguished  Name, i.e. the unique name of the Root CA Certificate:

  • Country Name: a 2 letter country code is expected as stated for example with https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
  • State or Province Name: the name of a state is expected
  • Locality Name:  the name of a city is expected
  • Organization Name: arbitrary input is allowed
  • Organizational Unit Name: arbitrary input is allowed
  • Common Name: an arbitrary name can be chosen as the name of the Root CA
  • Email Address: empty input is allowed

Anchor
server_certificate
server_certificate
Creating a Server Certificate

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