Meanings of active authentication in English

The problem is, active authentication is optional in the standard.

He simply rewrites the index file to skip active authentication.

Even so, van Beek showed how he can disable active authentication in passports that use it.

The ICAO anticipated this problem of creating fake passport chips and actually put an anti-cloning measure in its standard - active authentication.

Because not every passport uses active authentication at the moment, passport readers have to be backward compatible and accept passports without it as well.

When a reader encounters a passport chip with a re-written index file, it reads it as it would any other passport without active authentication.