@deftypefun {int} {gnutls_pkcs7_print_signature_info} (gnutls_pkcs7_signature_info_st * @var{info}, gnutls_certificate_print_formats_t @var{format}, gnutls_datum_t * @var{out})
@var{info}: The PKCS7 signature info struct to be printed

@var{format}: Indicate the format to use

@var{out}: Newly allocated datum with null terminated string.

This function will pretty print a PKCS @code{7}  signature info structure, suitable
for display to a human.

Currently the supported formats are @code{GNUTLS_CRT_PRINT_FULL}  and
@code{GNUTLS_CRT_PRINT_COMPACT} .

The output  @code{out} needs to be deallocated using @code{gnutls_free()} .

@strong{Returns:} On success, @code{GNUTLS_E_SUCCESS}  (0) is returned, otherwise a
negative error value.

@strong{Since:} 3.6.14
@end deftypefun