66 lines
1.9 KiB
Bash
Executable File
66 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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# Generate client and server self-signed HTTPS certificates
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# Adapted from:
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# https://stackoverflow.com/questions/19665863/how-do-i-use-a-self-signed-certificate-for-a-https-node-js-server/24749608#24749608
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FQDN=$1
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if [ -z "$FQDN" ]; then
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echo -e "\nError: Missing required parameter for domain name.\n"
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echo -e "Usage:\n\t./gen-cert.sh <DOMAIN_NAME>\n"
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exit 1
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fi;
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# make directories to work from
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mkdir -p server/ client/ all/
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# Create your very own Root Certificate Authority
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openssl genrsa \
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-out all/my-private-root-ca.privkey.pem \
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2048
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# Self-sign your Root Certificate Authority
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# Since this is private, the details can be as bogus as you like
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openssl req \
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-x509 \
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-new \
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-nodes \
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-key all/my-private-root-ca.privkey.pem \
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-days 1024 \
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-out all/my-private-root-ca.cert.pem \
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-subj "/C=US/ST=Utah/L=Provo/O=ACME Signing Authority Inc/CN=example.com"
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# Create a Device Certificate for each domain,
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# such as example.com, *.example.com, awesome.example.com
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# NOTE: You MUST match CN to the domain name or ip address you want to use
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openssl genrsa \
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-out all/privkey.pem \
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2048
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# Create a request from your Device, which your Root CA will sign
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openssl req -new \
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-key all/privkey.pem \
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-out all/csr.pem \
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-subj "/C=US/ST=Utah/L=Provo/O=ACME Tech Inc/CN=${FQDN}"
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# Sign the request from Device with your Root CA
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openssl x509 \
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-req -in all/csr.pem \
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-CA all/my-private-root-ca.cert.pem \
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-CAkey all/my-private-root-ca.privkey.pem \
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-CAcreateserial \
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-out all/cert.pem \
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-days 500
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# Put things in their proper place
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rsync -a all/{privkey,cert}.pem server/
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cat all/cert.pem > server/fullchain.pem # we have no intermediates in this case
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rsync -a all/my-private-root-ca.cert.pem server/
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rsync -a all/my-private-root-ca.cert.pem client/
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# create DER format crt for iOS Mobile Safari, etc
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openssl x509 -outform der -in all/my-private-root-ca.cert.pem -out client/my-private-root-ca.crt
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rm -r all
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