Shortest Vector Problem

Definition ∞ The Shortest Vector Problem is a fundamental computational problem in lattice theory, where the objective is to find the shortest non-zero vector in a given lattice. This problem is considered computationally hard, especially in high dimensions. Its difficulty forms the basis for the security of many lattice-based cryptographic schemes. Solving this problem efficiently would compromise numerous modern encryption methods.
Context ∞ The state of the Shortest Vector Problem is central to the ongoing research in post-quantum cryptography, as its hardness is believed to resist quantum algorithms. Key discussions involve the development of new algorithms to solve approximate versions of the problem and their implications for cryptographic security. A critical future development includes continued advancements in computational complexity theory that further validate or challenge the assumed hardness of this problem.