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copied!<p>Here is the sample which works for me. I simplified it by using copy-paste but should not matter.</p> <p>I'm using text password due to compatibility with JS library but open SSL itself supports direct usage of byte[] Key and IV so it's up to you what to use.</p> <p>In order to switch binary data into the string just use</p> <pre><code>Encoding.UTF8.GetBytes() and Encoding.UTF8.GetString() </code></pre> <p>to convert back and forth.</p> <pre><code> public Byte[] Encrypt(Byte[] data, String password) { //Just random 8 bytes for salt var salt = new Byte[] {1, 2, 3, 4, 5, 6, 7, 8}; using (var cc = new CipherContext(Cipher.AES_256_CBC)) { //Constructing key and init vector from string password byte[] passwordBytes = Encoding.UTF8.GetBytes(password); byte[] iv; byte[] key = cc.BytesToKey(MessageDigest.MD5, salt, passwordBytes, 1, out iv); var memoryStream = new MemoryStream(); //Performing encryption thru unmanaged wrapper var aesData = cc.Crypt(data, key, iv, true); //Append salt so final data will look Salted___SALT|RESTOFTHEDATA memoryStream.Write(Encoding.UTF8.GetBytes("Salted__"), 0, 8); memoryStream.Write(salt, 0, 8); memoryStream.Write(aesData, 0, aesData.Length); return memoryStream.ToArray(); } } public Byte[] Decrypt(String password, Byte[] encryptedData) { byte[] salt = null; //extracting salt if presented if (encryptedData.Length > 16) { if (Encoding.UTF8.GetString(encryptedData).StartsWith("Salted__")) { salt = new Byte[8]; Buffer.BlockCopy(encryptedData, 8, salt, 0, 8); } } //Removing salt from the original array int aesDataLength = encryptedData.Length - 16; byte[] aesData = new byte[aesDataLength]; Buffer.BlockCopy(encryptedData, 16, aesData, 0, aesDataLength); using (var cc = new CipherContext(Cipher.AES_256_CBC)) { //Constructing key and init vector from string password and salt byte[] passwordBytes = Encoding.UTF8.GetBytes(password); byte[] iv; byte[] key = cc.BytesToKey(MessageDigest.MD5, salt, passwordBytes, 1, out iv); //Decrypting return cc.Decrypt(aesData, key, iv, 0); } } </code></pre>

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