Top 20 NuGet crypto Packages
AtomicPay.NET C# SDK enables you to easily interact with your AtomicPay.io account in your .NET project.
.NET Standard 1.3 implementation of the Noise Protocol Framework (revision 33 of the spec)
Provides simple cryptographic related classes for hashing/verifying data, encrypting/decrypting data and creating random data in .NET.
Release includes the full lightweight API, as well as APIs for OpenPGP, CMS, TLS, X.509, PKCS#12, TSP, and Certificate Path validation.
CryptSharp - use https://www.nuget.org/packages/BCrypt.Net-Next/ for password hashing, not this library.
The Enterprise Library Cryptography Application Block simplifies the ways to incorporate cryptographic functionality in applications.