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CSharp · Console

/Program.cs

using Sodium;
using System;
using System.Text;

namespace Test
{
    class Test
    {
        static void Main(string[] args)
        {

            var key = new byte[]
            {
                0x42, 0x90, 0xbc, 0xb1, 0x54, 0x17, 0x35, 0x31, 0xf3, 0x14, 0xaf,
                0x57, 0xf3, 0xbe, 0x3b, 0x50, 0x06, 0xda, 0x37, 0x1e, 0xce, 0x27,
                0x2a, 0xfa, 0x1b, 0x5d, 0xbd, 0xd1, 0x10, 0x0a, 0x10, 0x07
            };

            var nonce = new byte[]
            {
                 0xcd, 0x7c, 0xf6, 0x7b, 0xe3, 0x9c, 0x79, 0x4a, 0x79, 0xc0, 0xd1, 0x10
            };

            var ad = new byte[]
            {
                   0x87, 0xe2, 0x29, 0xd4, 0x50, 0x08, 0x45, 0xa0, 0x79, 0xc0
            };

            var m = "63564b656g4vgebhtrdenb";

            var mBytes = Encoding.UTF8.GetBytes(m);

            /*var m = new byte[]
            {
                0x86, 0xd0, 0x99, 0x74, 0x84, 0x0b, 0xde, 0xd2, 0xa5, 0xca
            };*/

            var encrypted = SecretAeadAes.Encrypt(mBytes, nonce, key, ad);
            //decrypt with Additional Data

            var encryptedPlaintext = Encoding.UTF8.GetString(encrypted);

            var encrypted2 = SecretAeadAes.Encrypt(encrypted, nonce, key, ad);

            var encrypted2Plaintext = Encoding.UTF8.GetString(encrypted2);

            Console.WriteLine(encryptedPlaintext);
            Console.WriteLine(encrypted2Plaintext);


        }
    }
}