If a certificate contains an B<alias> or B<keyid> then this will be
used for the corresponding B<friendlyName> or B<localKeyID> in the
PKCS12 structure.
Either B<pkey>, B<cert> or both can be B<NULL> to indicate that no key or
If a certificate contains an B<alias> or B<keyid> then this will be
used for the corresponding B<friendlyName> or B<localKeyID> in the
PKCS12 structure.
Either B<pkey>, B<cert> or both can be B<NULL> to indicate that no key or