feat: add private ca for all internal web services

certs/.gitignore

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+*.key
+*.csr

certs/README.md

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+# My Private PKI / CA
+
+This is my private Private Key Infrastructure (PKI) / Certificate Authority (CA) for my personal
+use. It is used to issue certificates for my own servers and services.
+
+All the private keys are ignored by git, and will be stored in my private secrets repo
+[../secrets](../secrets/)

certs/ecc-ca.crt

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+-----BEGIN CERTIFICATE-----
+MIIBajCB8QIJAIwL98is2nQPMAoGCCqGSM49BAMEMB8xHTAbBgNVBAMMFFJ5YW40
+WWluJ3MgUm9vdCBDQSAxMB4XDTI0MDQwMzA4NDgzM1oXDTM0MDQwMTA4NDgzM1ow
+HzEdMBsGA1UEAwwUUnlhbjRZaW4ncyBSb290IENBIDEwdjAQBgcqhkjOPQIBBgUr
+gQQAIgNiAAQ6ixMbsGZ/u/ZnwzOZ49naVL7rQxm9C74SboGytKcYBH03JjC7tgZ3
+DylirxSLcTYHHtCz9ajdamP6+sgiGVpUODtfGSO+WmS+gAbLjCS37T41bkUhkx88
+JU4NsGhjPXcwCgYIKoZIzj0EAwQDaAAwZQIwDrGLSdO+p/1uywkzqzdM/OnZs8bp
+n60uBhUI7EZzDmrouOFeGx+dXYI5yy5AD/qDAjEA7fTQx+jccyOj4dimq1iU9+71
+e/gWYg0rexfy/+9dQY6kvwMzv8Lnm6URaRMbE1Q/
+-----END CERTIFICATE-----

certs/ecc-ca.srl

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+C050420A8E5A3C1E

certs/ecc-csr.conf

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+[ req ]
+prompt = no
+req_extensions = v3_ext
+distinguished_name = req_distinguished_name
+
+[ req_distinguished_name ]
+countryName            = US
+stateOrProvinceName    = NYK
+localityName           = NYK
+organizationName       = Ryan4Yin
+organizationalUnitName = Ryan4Yin
+commonName             = writefor.fun # deprecated, use subjectAltName(SAN) instead
+emailAddress           = rayn4yin@linux.com
+
+[ alt_names ]
+DNS.1 = writefor.fun
+DNS.2 = *.writefor.fun
+
+[ v3_ext ]
+subjectAltName=@alt_names
+basicConstraints       = CA:false
+extendedKeyUsage       = serverAuth

certs/ecc-server.crt

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+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

certs/gen-certs.sh

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+# 1. generate the private key for the CA root certificate
+openssl ecparam -genkey -name secp384r1 -out ecc-ca.key
+# 2. generate the CA root certificate with the private key
+# with the validity period of 10 years
+openssl req -x509 -new -SHA512 -key ecc-ca.key -subj "/CN=Ryan4Yin's Root CA 1" -days 3650 -out ecc-ca.crt
+
+# 3. generate the private key for the server certificate
+openssl ecparam -genkey -name secp384r1 -out ecc-server.key
+# 4. generate the certificate signing request (CSR) for the server certificate
+# using the private key and the configuration file ecc-csr.conf
+openssl req -new -SHA512 -key ecc-server.key -out ecc-server.csr -config ecc-csr.conf
+# 5. sign the server certificate with the CA root certificate
+openssl x509 -req -SHA512 -in ecc-server.csr -CA ecc-ca.crt -CAkey ecc-ca.key \
+  -CAcreateserial -out ecc-server.crt -days 3650 \
+  -extensions v3_ext -extfile ecc-csr.conf
+
+openssl x509 -noout -text -in ecc-ca.crt
+openssl x509 -noout -text -in ecc-server.crt
+