The priority area of the QApp team's research is related to the validation and optimization of existing post-quantum cryptographic algorithms, as well as the development of new schemes. For instance, the QApp team has made a great contribution to the development of hash-based signature schemes.

The team members are actively working on the creation of post-quantum schemes for standardization in Russia. Our employees are developing a signature scheme based on the domestic hash function as well as a protocol for generating a common key "Forsythia" based on isogenies of supersingular elliptic curves.

A prospective direction for the QApp team is the study of homomorphic encryption schemes, especially the possibilities of their application for solving specific business tasks, such as ensuring the protection of cloud computing and confidential processing and management of BigData. Cooperative computing is quite close to this area of research.

Promising solutions in these areas can bring data processing processes in cloud systems to a fundamentally new level, opening up new horizons for business.

This is another direction that has applications in the field of cloud computing and Big Data. Attribute-based encryption provides flexible management of access to encrypted data in the cloud, for example, by ensuring data privacy even if there is an internal attacker trying to conduct an attack from inside the protected loop.

Our employees have obtained a number of original scientific results in this area.

Although quantum cryptographic methods provide absolutely resistant encryption mechanisms, in some common scenarios they are not able to solve a number of data protection tasks, such as integrity control and proof of authorship. The task of combining the mechanisms of quantum, post-quantum, and classical cryptography is relevant since its solution will allow creating stable and flexible hybrid mechanisms that provide effective data protection in various conditions of their application. It seems that in the post-quantum world, the best way to protect data will be a combination of quantum and post-quantum cryptographic algorithms.