Retrieves the certificate signing request (CSR) for your privatecertificate authority (CA).Show details from next link. https://docs.aws.amazon.com/ja_jp/cli/latest/reference/acm-pca/get-certificate-authority-csr.html
| aws acm-pca get-certificate-authority-csr \ |
| Private Certificate Authority Security - AWS Certificate Manager Private Certificate Authority : http://docs.aws.amazon.com/acm-pca/latest/userguide/PcaGetCsr.html |