ITU-T X.1280 PDF

This Recommendation provides a framework for out-of-band server authentication using mobile devices including the following:

• defines the out-of-band server authentication model and authentication procedure;

• defines criteria and guidelines for generating server authentication information using mobile devices;

• defines security threats and security requirements in the out-of-band server authentication model;

• describes use cases of the out-of-band server authentication model; and

• describes the relationship to other authentication technologies.

This Recommendation does not address issues related to user authentication, regulation, and privacy considerations.