62 lines
2.1 KiB
Bash
Executable File
62 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# Check if OpenSSL is installed
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if ! command -v openssl &> /dev/null
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then
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echo "OpenSSL is not installed. Please install it before running this script."
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exit
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fi
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# Default values
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DOMAIN=${1:-localhost.com}
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ROOT_CERT_NAME=${2:-myRootCertificate}
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VALIDITY_DAYS=${3:-398} # Default is 825 days
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CERTS_DIR=~/certs/$DOMAIN
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# Create a directory to store the certificates
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mkdir -p $CERTS_DIR
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cd $CERTS_DIR
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# Generate the private key for the Certificate Authority (CA)
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openssl genrsa -aes256 -out ${ROOT_CERT_NAME}.key 2048
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# Generate the root certificate for the CA
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openssl req -x509 -new -nodes -key ${ROOT_CERT_NAME}.key -sha256 -days $VALIDITY_DAYS -out ${ROOT_CERT_NAME}.pem \
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-subj "/C=US/ST=State/L=City/O=MyOrg/OU=MyUnit/CN=MyLocalCA"
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# Add the root certificate to the macOS keychain (requires admin password)
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if [[ "$OSTYPE" == "darwin"* ]]; then
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sudo security add-trusted-cert -d -r trustRoot -k "/Library/Keychains/System.keychain" ${ROOT_CERT_NAME}.pem
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fi
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# Generate the private key for the provided domain
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openssl genrsa -out $DOMAIN.key 2048
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# Create a Certificate Signing Request (CSR) for the provided domain
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openssl req -new -key $DOMAIN.key -out $DOMAIN.csr \
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-subj "/C=US/ST=State/L=City/O=MyOrg/OU=MyUnit/CN=*.$DOMAIN"
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# Create a configuration file for certificate extensions
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cat > $DOMAIN.ext << EOF
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authorityKeyIdentifier=keyid,issuer
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basicConstraints=CA:FALSE
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keyUsage = digitalSignature, nonRepudiation, keyEncipherment, dataEncipherment
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subjectAltName = @alt_names
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[alt_names]
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DNS.1 = $DOMAIN
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DNS.2 = *.$DOMAIN
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EOF
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# Sign the certificate with the CA
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openssl x509 -req -in $DOMAIN.csr -CA ${ROOT_CERT_NAME}.pem -CAkey ${ROOT_CERT_NAME}.key -CAcreateserial \
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-out $DOMAIN.crt -days $VALIDITY_DAYS -sha256 -extfile $DOMAIN.ext
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echo "Certificates generated in the directory $CERTS_DIR:"
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echo "- Root certificate: ${ROOT_CERT_NAME}.pem"
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echo "- Domain private key: $DOMAIN.key"
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echo "- Signed certificate: $DOMAIN.crt"
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# Tips for usage
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echo "To use these certificates with a local server, configure your server to use $DOMAIN.crt and $DOMAIN.key." |