Object is NTRU encryption algorithm is directional and the reliability of its various crypto attacks. The subject of the study is to offer tools create crypto analysis. The purpose of this paper is to analyze the existing types of attacks and their comparison to the algorithm of NTRU, development and investigation of attacks by SVP algorithm Korkina - Zolotarev. The work includes descriptions, analysis of the most common attacks on the classical algorithm NTRU, description and characters. ALGORITHM, RINGS CUT POLYNOMIALS, NTRU, LATTICE, SHYFROTEKST, STANDARD, BASE, REDUCTION, QUANTUM COMPUTERS, MATRIX, POSITIVE QUADRATIC FORMS.
