I prefer visual studio as i use since over 10 years, but yep doesn't use complex libraries so yep you can compile it online, here is the full source that compiles, now i'll try to figure out the steps it does, the only change i did was correcting the syntax as it was wrong

BitConverter.ToString(md5).Replace("-", "") + " Initialization Vector or Key or Who the fuck knows? LULZZZ Console.WriteLine();

to

Console.WriteLine("Verified: [Q Society] = " + BitConverter.ToString(md5).Replace("-", "") + "PLACEHOLDER"); // Initialization Vector or Key or Who the fuck knows? LULZZZ Console.WriteLine();

using System; using System.Text; using System.IO; using System.Security.Cryptography;

public class Program { public static void Main() { Console.WriteLine("https//opensea[.]io/collection/contingency-protocol-44924"); Console.WriteLine();

//CONTINGENCY PROTOCOL 44924 COLLECTION DESCRIPTION //MD5: 346257E94DA2E0D0D0F54AA397D291F0 //DATA: Q Society string collectiondescriptiondecoded = "Q Society"; MD5 md5Hash = MD5.Create(); byte[] md5 = md5Hash.ComputeHash(Encoding.UTF8.GetBytes(collectiondescriptiondecoded)); Console.WriteLine("Verified: [Q Society] = " + BitConverter.ToString(md5).Replace("-", "") + "PLACEHOLDER"); // Initialization Vector or Key or Who the fuck knows? LULZZZ Console.WriteLine();

//SQME KEYS TO TEST byte[] testkey0 = Encoding.UTF8.GetBytes("rustyshackleford"); byte[] testkey1 = Encoding.UTF8.GetBytes("Q H7^PZBVTpZ7302"); //https//www[.]britbonglogpost[.]com/978ea96f-2740-4ea6-b1d0-288f11a48ff7.jpg byte[] testkey2 = HexStringToByteArray("978ea96f-2740-4ea6-b1d0-288f11a48ff7".Replace("-", ""));

//NFT IMAGE DESCRIPTIONS - BASE64 ENCODED DATA //https[:]//opensea[.]io/assets/0x495f947276749ce646f68ac8c248420045cb7b5e/42715653451494116278904116357368839356782358833774246712130390239617933639681 string epsilon_b64 = "mbhD5klu/+mMNw6nN8bmE7+m4MWKp9ZMzO61R83YPGc23pCnwNXl6XnRPizFWi+k35YtNRsXiT20P7KNiV6Bz/jwBGq3PjQv2Zd14gORArKA6Cz30JEU9Sa6GGCEpJIufbFJuWWxaI9NTnGCrshcDDvIne9DvhwSTvcJHMOCAkeBNiRwxb/tCK17mclpwgV1fKXDhrCfzddOW2bTO14c0w==";

//https[:]//opensea[.]io/assets/0x495f947276749ce646f68ac8c248420045cb7b5e/42715653451494116278904116357368839356782358833774246712130390238518422011905 string omega_b64 = "QWIn8NzJMuDZIfibj/MqK1CPK32YXf3KuzCsf4HohUPSmUgyqAdY6moE98U6v3wVGTu2g1+ZziW+tqk9cVif41v+GC91bgnym7NlX9URAY/LLE9X9amJw3Qxa4PyNWat/dVkEOUFoa3vAE6TCVgk/gfWzB8085VW7A6hBcoR0D1tv9U5HrylObyNdm2I6ljim5XVXA9XRkLKffQReXWkAS7R34IQYsipc9jOaf/LlaCPputybuz5cKWaq/q6kbRksksbPL6v4F/omjkBHOJiqWxKHRkEgSIOEEEgIQHqk5h5Tnf7O7I5/eyDXGPAYBS2I7IwMmykLp7CG9nFLg5FDHmNgQZD4vOFrJcjoYcH3mg=";

//DECODE BASE64 var epsilon = Convert.FromBase64String(epsilon_b64); var omega = Convert.FromBase64String(omega_b64);

//AES CRYPTO var crypto = new AesCryptographyService();

Console.WriteLine("Epsilon: " + epsilon_b64);

Console.WriteLine("B64 Decoded: " + BitConverter.ToString(epsilon).Replace("-", "")); Console.WriteLine("To String: " + Encoding.UTF8.GetString(epsilon)); Console.WriteLine();

var decrypted = crypto.Decrypt(epsilon, testkey0, md5); Console.WriteLine("Trying Key: " + BitConverter.ToString(testkey0).Replace("-", "") + " IV: " + BitConverter.ToString(md5).Replace("-", "")); Console.WriteLine("Decrypted: " + BitConverter.ToString(decrypted).Replace("-", "")); Console.WriteLine("To String" + Encoding.UTF8.GetString(decrypted)); Console.WriteLine();

decrypted = crypto.Decrypt(epsilon, testkey1, md5); Console.WriteLine("Trying Key: " + BitConverter.ToString(testkey1).Replace("-", "") + " IV: " + BitConverter.ToString(md5).Replace("-", "")); Console.WriteLine("Decrypted: " + BitConverter.ToString(decrypted).Replace("-", "")); Console.WriteLine("To String" + Encoding.UTF8.GetString(decrypted)); Console.WriteLine();

decrypted = crypto.Decrypt(epsilon, testkey2, md5); Console.WriteLine("Trying Key: " + BitConverter.ToString(testkey2).Replace("-", "") + " IV: " + BitConverter.ToString(md5).Replace("-", "")); Console.WriteLine("Decrypted: " + BitConverter.ToString(decrypted).Replace("-", "")); Console.WriteLine("To String" + Encoding.UTF8.GetString(decrypted)); Console.WriteLine();

Console.WriteLine(); Console.WriteLine();

}

public static byte[] HexStringToByteArray(String hex) { int NumberChars = hex.Length; byte[] bytes = new byte[NumberChars / 2]; for (int i = 0; i < NumberChars; i += 2) bytes[i / 2] = Convert.ToByte(hex.Substring(i, 2), 16); return bytes; } }

public class AesCryptographyService { public byte[] Encrypt(byte[] data, byte[] key, byte[] iv) { using (var aes = Aes.Create()) { aes.KeySize = 128; aes.BlockSize = 128; aes.Padding = PaddingMode.Zeros;

        aes.Key = key;
        aes.IV = iv;

        using (var encryptor = aes.CreateEncryptor(aes.Key, aes.IV))
        {
            return PerformCryptography(data, encryptor);
        }
    }
}

public byte[] Decrypt(byte[] data, byte[] key, byte[] iv)
{
    using (var aes = Aes.Create())
    {
        aes.KeySize = 128;
        aes.BlockSize = 128;
        aes.Padding = PaddingMode.Zeros;

        aes.Key = key;
        aes.IV = iv;

        using (var decryptor = aes.CreateDecryptor(aes.Key, aes.IV))
        {
            return PerformCryptography(data, decryptor);
        }
    }
}

private byte[] PerformCryptography(byte[] data, ICryptoTransform cryptoTransform)
{
    using (var ms = new MemoryStream())
    using (var cryptoStream = new CryptoStream(ms, cryptoTransform, CryptoStreamMode.Write))
    {
        cryptoStream.Write(data, 0, data.Length);
        cryptoStream.FlushFinalBlock();

        return ms.ToArray();
    }
}

}

-- here also the output

https//opensea[.]io/collection/contingency-protocol-44924

Verified: [Q Society] = 346257E94DA2E0D0D0F54AA397D291F0PLACEHOLDER

Epsilon: mbhD5klu/+mMNw6nN8bmE7+m4MWKp9ZMzO61R83YPGc23pCnwNXl6XnRPizFWi+k35YtNRsXiT20P7KNiV6Bz/jwBGq3PjQv2Zd14gORArKA6Cz30JEU9Sa6GGCEpJIufbFJuWWxaI9NTnGCrshcDDvIne9DvhwSTvcJHMOCAkeBNiRwxb/tCK17mclpwgV1fKXDhrCfzddOW2bTO14c0w== B64 Decoded: 99B843E6496EFFE98C370EA737C6E613BFA6E0C58AA7D64CCCEEB547CDD83C6736DE90A7C0D5E5E979D13E2CC55A2FA4DF962D351B17893DB43FB28D895E81CFF8F0046AB73E342FD99775E2039102B280E82CF7D09114F526BA186084A4922E7DB149B965B1688F4D4E7182AEC85C0C3BC89DEF43BE1C124EF7091CC382024781362470C5BFED08AD7B99C969C205757CA5C386B09FCDD74E5B66D33B5E1CD3 To String: ��C�In��7�7�����Ŋ��L��G��<g6ސ�����y�>,�Z/�ߖ-5�=�?���^����j�>4/ٗu�����,�Б�&�`���.}�I�e�h�MNq���\;ȝ�C�N� ÂG�6$pſ��{��i�u|�Æ����N[f�;^�

Trying Key: 7275737479736861636B6C65666F7264 IV: 346257E94DA2E0D0D0F54AA397D291F0 Decrypted: 05EB21006F8A14EEDDB14BB2C75861CD028E9897F697D1B04DB8FBF5096E4BE66411AB0B21FFFED067AB9BA78B9276133B1ACE3A40C4BB048028698062706014AD4BAE365622A5F6B73939F968242908AD69A3FC84ACCCDD986DFF2D321B4FE1C80FBCCEA2150F71507B20B1CBB07BE9C67780B25FFE9B30A8F76D76F12F41061D84483DF1A260405D405739E12BA4ECB2D6DD4CA90623EE1AABBE2871C0FB18 To String�!o��ݱK��Xa������ѰM��� nK�d�!���g�����v;�:@Ļ�(i�bp�K�6V"���99�h$)�i�����ݘm�-2O���΢qP{ �˰{��w��_��0��mv�/A�H=�@]@W9�+����L�#���(q��

Trying Key: 512048375E505A425654705A37333032 IV: 346257E94DA2E0D0D0F54AA397D291F0 Decrypted: 0A74B97E443A4848352C8FA8A36DFB15AAA33E05BF617002C81C650672969009AB1EB0C952DF2F278CB4ACC0C5FEF1AFA49F9F050B8EE7310BFF91FB9A4608FB26F9AC416D6A64E6FA0E278D693F9EAB3DE4878D5F4A013317A7DB38329925A8EA34E410DC7CCB219A029518B19200CFAEB3FCFFB7E40C3090D2A2C8E04227E2328145BA78DB257CF7DBB6AD89F0CB3017A2534B3FFA31B25C77423CC562380F To String t�~D:HH5,���m���>�ap�er�� ���R�/'������񯤟���1����F�&��Amjd��'�i?��=䇍_J
3��82�%��4��|�!����Ϯ�����0�Ң��B'�2�E�x�%|�۶����0�SK?�1�\wB<�b8

Trying Key: 978EA96F27404EA6B1D0288F11A48FF7 IV: 346257E94DA2E0D0D0F54AA397D291F0 Decrypted: 89323C94A93FB4E1A06C36760BFE424E634E4C1603A3A6E26BEA4122E1CD1812BE771993397040355D933FC193521D8C90843B8A0383557212CFE41DD2AD590257323A32CBBBAEBC75673121F33F7BB00217A6EBEF89B1732D0848A623ADD111D8C85729DBC75B0C09885CF874CE2E3589ACBAA54B1E675A3E07A6B0BFB2ECB5143995E70C871D3AAEB46F9B33616C15EE42F29FB04F81CD949113992B5B4DE5 To String�2<��?��l6v�BNcNL���k�A"���w�9p@5]�?��R���;��Ur��ҭYW2:2˻��ug1!�?{���s-H�#����W)��[ �\�t�.5����KgZ>�����9���:��o�3al�B�O�͔��+[M�