private static string Decrypt(string data, string salt)
{
var passphraseKey = KeyManager.GetKeyFromPassphrase(EncryptionKeyManager.GetSharedPassphrase(), salt);
var hmacKey = KeyManager.GetKeyFromPassphrase(EncryptionKeyManager.GetClientPassphrase(), salt);
var aesSha256Encryptor = new AesSha256Encryptor(passphraseKey, hmacKey);
var plaintext = aesSha256Encryptor.Decrypt(data);
return(plaintext);
}
static void Main(string[] args)
{
// get key and salt from
var keyRecord = EncryptionKeyManager.GetKeyRecord();
var aesSha256Encryptor = new AesSha256Encryptor(keyRecord.SharedKey, keyRecord.HmacKey);
string targetData = "4343423343";
var encrypted = aesSha256Encryptor.Encrypt(targetData);
var salt = keyRecord.Salt;
var decrypted = Decrypt(encrypted, salt);
Debug.Assert(targetData == decrypted);
Console.WriteLine(decrypted);
Console.ReadKey();
}