=pod=head1 NAMEX509_new, X509_free, - X509 certificate ASN1 allocation functions=head1 SYNOPSIS X509 *X509_new(void); void X509_free(X509 *a);=head1 DESCRIPTIONThe X509 ASN1 allocation routines, allocate and free anX509 structure, which represents an X509 certificate.X509_new() allocates and initializes a X509 structure.X509_free() frees up the B<X509> structure B<a>.=head1 RETURN VALUESIf the allocation fails, X509_new() returns B<NULL> and sets an errorcode that can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.Otherwise it returns a pointer to the newly allocated structure.X509_free() returns no value.=head1 SEE ALSOL<ERR_get_error(3)|ERR_get_error(3)>, L<d2i_X509(3)|d2i_X509(3)>=head1 HISTORYX509_new() and X509_free() are available in all versions of SSLeay and OpenSSL.=cut