This book constitutes the refereed post-conference proceedings of the First International
Conference on Number-Theoretic Methods in Cryptology NuTMiC 2017 held in Warsaw Poland in
September 2017.The 15 revised full papers presented in this book together with 3 invited talks
were carefully reviewed and selected from 32 initial submissions. The papers are organized in
topical sections on elliptic curves in cryptography public-key cryptography lattices in
cryptography number theory pseudorandomness and algebraic structures and analysis.
