инструмент сертификата GnuTLS (GnuTLS certificate tool)
Описание (Description)
Tool to parse and generate X.509 certificates, requests and
private keys. It can be used interactively or non interactively
by specifying the template command line option.
The tool accepts files or supported URIs via the --infile option.
In case PIN is required for URI access you can provide it using
the environment variables GNUTLS_PIN and GNUTLS_SO_PIN.