olemus
baasiga B esitatud võres lühima vektori leidmine
= finding the shortest vector in the lattice represented by basis B

ülevaateid
https://en.wikipedia.org/wiki/Lattice_problem#Shortest_vector_problem_(SVP)

https://www.zib.de/groetschel/Bilder/L3.pdf

http://www.tcs.hut.fi/Studies/T-79.7001/2008SPR/slides/kirichenko_080505.pdf

https://web.eecs.umich.edu/~cpeikert/lic13/lec02.pdf

https://www.math.auckland.ac.nz/~sgal018/crypto-book/ch18.pdf