get_phase2_private_key_uri

Returns the "phase 2" private key URI analogously to get_phase2_private_key_blob and get_phase2_private_key_path.

Currently, it's limited to PKCS#<!-- -->11 URIs ('pkcs11' scheme as defined by RFC 7512), but may be extended to other schemes in future (such as 'file' URIs for local files and 'data' URIs for inline certificate data).

Parameters:

this	the Setting8021x

Returns:

the URI string