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109 lines
3.6 KiB
Bash
109 lines
3.6 KiB
Bash
#!/bin/bash
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# From https://jamielinux.com/docs/openssl-certificate-authority/introduction.html
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mkdir /root/ca
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cd /root/ca
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mkdir certs crl newcerts private
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chmod 700 private
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touch index.txt
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echo 1000 > serial
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wget https://jamielinux.com/docs/openssl-certificate-authority/_downloads/root-config.txt -O /root/ca/openssl.cnf
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cd /root/ca
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openssl genrsa -out private/ca.key.pem 4096
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chmod 400 private/ca.key.pem
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cd /root/ca
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echo "
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Enter pass phrase for ca.key.pem: secretpassword
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You are about to be asked to enter information that will be incorporated
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into your certificate request.
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-----
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Country Name (2 letter code) [XX]:GB
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State or Province Name []:England
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Locality Name []:
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Organization Name []:Alice Ltd
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Organizational Unit Name []:Alice Ltd Certificate Authority
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Common Name []:Alice Ltd Root CA
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Email Address []:
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"
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openssl req -config openssl.cnf -key private/ca.key.pem -new -x509 -days 7300 -sha256 -extensions v3_ca -out certs/ca.cert.pem
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chmod 444 certs/ca.cert.pem
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openssl x509 -noout -text -in certs/ca.cert.pem
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mkdir /root/ca/intermediate
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cd /root/ca/intermediate
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mkdir certs crl csr newcerts private
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chmod 700 private
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touch index.txt
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echo 1000 > serial
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echo 1000 > /root/ca/intermediate/crlnumber
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wget https://jamielinux.com/docs/openssl-certificate-authority/_downloads/intermediate-config.txt -O /root/ca/intermediate/openssl.cnf
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cd /root/ca
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openssl genrsa -out intermediate/private/intermediate.key.pem 4096
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chmod 400 intermediate/private/intermediate.key.pem
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cd /root/ca
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echo "
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Enter pass phrase for intermediate.key.pem: secretpassword
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You are about to be asked to enter information that will be incorporated
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into your certificate request.
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-----
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Country Name (2 letter code) [XX]:GB
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State or Province Name []:England
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Locality Name []:
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Organization Name []:Alice Ltd
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Organizational Unit Name []:Alice Ltd Certificate Authority
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Common Name []:Alice Ltd Intermediate CA
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Email Address []:
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"
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openssl req -config intermediate/openssl.cnf -new -sha256 -key intermediate/private/intermediate.key.pem -out intermediate/csr/intermediate.csr.pem
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cd /root/ca
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openssl ca -config openssl.cnf -extensions v3_intermediate_ca -days 3650 -notext -md sha256 -in intermediate/csr/intermediate.csr.pem -out intermediate/certs/intermediate.cert.pem
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chmod 444 intermediate/certs/intermediate.cert.pem
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openssl x509 -noout -text -in intermediate/certs/intermediate.cert.pem
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cat intermediate/certs/intermediate.cert.pem certs/ca.cert.pem > intermediate/certs/ca-chain.cert.pem
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chmod 444 intermediate/certs/ca-chain.cert.pem
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cd /root/ca
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openssl genrsa -out intermediate/private/www.example.com.key.pem 2048
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chmod 400 intermediate/private/www.example.com.key.pem
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cd /root/ca
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echo "
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Enter pass phrase for www.example.com.key.pem: secretpassword
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You are about to be asked to enter information that will be incorporated
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into your certificate request.
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-----
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Country Name (2 letter code) [XX]:US
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State or Province Name []:California
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Locality Name []:Mountain View
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Organization Name []:Alice Ltd
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Organizational Unit Name []:Alice Ltd Web Services
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Common Name []:www.example.com
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Email Address []:
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"
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openssl req -config intermediate/openssl.cnf -key intermediate/private/www.example.com.key.pem -new -sha256 -out intermediate/csr/www.example.com.csr.pem
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cd /root/ca
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openssl ca -config intermediate/openssl.cnf -extensions server_cert -days 375 -notext -md sha256 -in intermediate/csr/www.example.com.csr.pem -out intermediate/certs/www.example.com.cert.pem
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chmod 444 intermediate/certs/www.example.com.cert.pem
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openssl x509 -noout -text -in intermediate/certs/www.example.com.cert.pem
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openssl verify -CAfile intermediate/certs/ca-chain.cert.pem intermediate/certs/www.example.com.cert.pem
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