56 lines
1.6 KiB
Bash
Executable File
56 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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FQDN=$1
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# make directories to work from
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mkdir -p certs/{server,client,ca,tmp}
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# Create your very own Root Certificate Authority
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openssl genrsa \
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-out certs/ca/my-root-ca.key.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 certs/ca/my-root-ca.key.pem \
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-days 1024 \
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-out certs/ca/my-root-ca.crt.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 certs/server/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 certs/server/privkey.pem \
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-out certs/tmp/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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# -CAserial certs/ca/my-root-ca.srl
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openssl x509 \
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-req -in certs/tmp/csr.pem \
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-CA certs/ca/my-root-ca.crt.pem \
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-CAkey certs/ca/my-root-ca.key.pem \
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-CAcreateserial \
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-out certs/server/cert.pem \
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-days 500
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# Create a public key, for funzies
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# see https://gist.github.com/coolaj86/f6f36efce2821dfb046d
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openssl rsa \
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-in certs/server/privkey.pem \
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-pubout -out certs/client/pubkey.pem
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# Put things in their proper place
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rsync -a certs/ca/my-root-ca.crt.pem certs/server/chain.pem
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rsync -a certs/ca/my-root-ca.crt.pem certs/client/chain.pem
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cat certs/server/cert.pem certs/server/chain.pem > certs/server/fullchain.pem
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