Visual integrity checks

A non-transitory computer readable medium comprising program instructions stored thereon for performing at least the following:

• capturing a presentation presented on a display to a user, wherein the presentation includes data representative of a first hash;
• generating a second hash from the captured presentation;
• reading a digital code from the display or the captured presentation, the digital code comprising the first hash associated with the presentation and a digital signature associated with the first hash;
• comparing the first hash and second hash;
• and
• sending an indication to the user as to whether the digital signature is legitimate or valid in response to the first and second hashes at least substantially matching.

An apparatus comprising:

• at least one processor;
• and
• at least one memory storing instructions that, when executed by the at least one processor, cause the apparatus at least to:
• generate a presentation and digital code associated with requesting a user action or information at a user device using the service,
• wherein the digital code comprises a hash associated with the presentation and a digital signature associated with the hash;
• and
• send a request for the user action or information to the user device,
• wherein the request comprises data representative of the presentation and digital code for display on the user device to authenticate the request from the service by the user.