C# (CSharp) NormalGraduateWork.Cryptography.Aes16 Aes16Helper.NibbleSubstitution - 2 examples found. These are the top rated real world C# (CSharp) examples of NormalGraduateWork.Cryptography.Aes16.Aes16Helper.NibbleSubstitution extracted from open source projects. You can rate examples to help us improve the quality of examples.