Create a signed security.txt file

create_signed_security_txt.sh

# Basic usage
./create_signed_security_txt.sh -d example.com -c "mailto:security@example.com" -k ABC12345

# Full example with all options
./create_signed_security_txt.sh \
    -d example.com \
    -c "mailto:security@example.com" \
    -k ABC12345 \
    -e "https://example.com/pgp-key.asc" \
    -a "https://example.com/thanks" \
    -p "https://example.com/security-policy" \
    -l "en,es,fr" \
    -t "2025-12-31"

# Create without automatic installation
./create_signed_security_txt.sh -d example.com -c "https://example.com/contact" -k ABC12345 --no-install

# Specify custom output directory
./create_signed_security_txt.sh -d example.com -c "mailto:security@example.com" -k ABC12345 -o /custom/path