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US 2014/0372754 A1Published application
Image based key derivation function
AssigneeVisa International Service Association
InventorsSelim Aissi, Taeho Kgil, Ajit Gaddam
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Abstract
Embodiments of the invention relate to methods of generating and using an image-based derived key. In various embodiments, the image-based derived key may be used to facilitate user authentication and data encryption. For some embodiments, a method is disclosed comprising determining an image-based derived key, wherein the image-based derived key is generated from a selection of authentication images chosen by a user, encrypting data using the image-based derived key, and transmitting the encrypted data.
Claims20
A computer comprising:
- a processor;
- and
- a non-transitory computer-readable medium comprising code executable by the processor for implementing a method comprising:
- determining an image-based derived key, wherein the image-based derived key is generated from a selection of authentication images chosen by a user;
- encrypting data using the image-based derived key;
- and
- transmitting the encrypted data.
4 more elements
A computer-implemented method comprising:
- determining, by a processor, an image-based derived key, wherein the image-based derived key is generated from a selection of authentication images chosen by a user;
- encrypting, by the processor, data using the image-based derived key;
- and
- transmitting, by the processor, the encrypted data.
1 more element
Dependencies are inferred from the claim text.