static void passphrase_free ( char * ppbuff ) {
 if ( ppbuff != NULL ) {
 memset ( ppbuff , 0 , PPBUFF_SIZE ) ;
 free ( ppbuff ) ;
 }
 }
static void passphrase_free ( char * ppbuff ) {
 if ( ppbuff != NULL ) {
 memset ( ppbuff , 0 , PPBUFF_SIZE ) ;
 free ( ppbuff ) ;
 }
 }