Kvanttisuojattu

Kvanttisuojattu refers to systems, algorithms, or technologies designed to remain secure against attacks from future quantum computers. Current encryption methods, such as RSA and ECC, rely on the mathematical difficulty of factoring large numbers or solving discrete logarithms. Quantum computers, if built at sufficient scale, could efficiently solve these problems using algorithms like Shor's algorithm, rendering these widely used cryptographic systems insecure.

The development of kvanttisuojattu solutions, often referred to as post-quantum cryptography (PQC), is an active area of research. These new cryptographic methods are based on mathematical problems that are believed to be hard for both classical and quantum computers to solve. Examples of promising PQC approaches include lattice-based cryptography, code-based cryptography, hash-based cryptography, and multivariate polynomial cryptography.

Organizations worldwide are working to standardize and implement these kvanttisuojattu algorithms. The transition to PQC is a significant undertaking, requiring updates to hardware, software, and protocols across various industries. The goal is to ensure the continued confidentiality and integrity of sensitive data in a post-quantum era. The term "kvanttisuojattu" signifies a proactive approach to safeguarding digital security against the potential threat posed by quantum computing.