#!/bin/bash -x set -e for C in `echo root-ca intermediate`; do mkdir $C cd $C mkdir certs crl newcerts private cd .. echo 1000 > $C/serial touch $C/index.txt $C/index.txt.attr echo ' [ ca ] default_ca = CA_default [ CA_default ] dir = '$C' # Where everything is kept certs = $dir/certs # Where the issued certs are kept crl_dir = $dir/crl # Where the issued crl are kept database = $dir/index.txt # database index file. new_certs_dir = $dir/newcerts # default place for new certs. certificate = $dir/cacert.pem # The CA certificate serial = $dir/serial # The current serial number crl = $dir/crl.pem # The current CRL private_key = $dir/private/ca.key.pem # The private key RANDFILE = $dir/.rnd # private random number file nameopt = default_ca certopt = default_ca policy = policy_match default_days = 365 default_md = sha256 [ policy_match ] countryName = optional stateOrProvinceName = optional organizationName = optional organizationalUnitName = optional commonName = supplied emailAddress = optional [req] req_extensions = v3_req distinguished_name = req_distinguished_name [req_distinguished_name] [v3_req] basicConstraints = CA:TRUE ' > $C/openssl.conf done openssl genrsa -out root-ca/private/ca.key 2048 openssl req -config root-ca/openssl.conf -new -x509 -days 3650 -key root-ca/private/ca.key -sha256 -extensions v3_req -out root-ca/certs/ca.crt -subj '/CN=Root-ca' openssl genrsa -out intermediate/private/intermediate.key 2048 openssl req -config intermediate/openssl.conf -sha256 -new -key intermediate/private/intermediate.key -out intermediate/certs/intermediate.csr -subj '/CN=Interm.' openssl ca -batch -config root-ca/openssl.conf -keyfile root-ca/private/ca.key -cert root-ca/certs/ca.crt -extensions v3_req -notext -md sha256 -in intermediate/certs/intermediate.csr -out intermediate/certs/intermediate.crt mkdir out for I in `seq 1 3` ; do openssl req -new -keyout out/$I.key -out out/$I.request -days 365 -nodes -subj "/CN=$I.example.com" -newkey rsa:2048 openssl ca -batch -config root-ca/openssl.conf -keyfile intermediate/private/intermediate.key -cert intermediate/certs/intermediate.crt -out out/$I.crt -infiles out/$I.request done