/// <summary>
/// Convert recovery phrase to SSB.Keys
/// </summary>
/// <param name="words"></param>
/// <returns></returns>
public Keys WordsToKeys(string words)
{
var wordArr = words.Trim().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
var amount = wordArr.Length;
if (amount != 24 && amount != 48)
{
throw new ArgumentException("there should be 24 or 48 words");
}
var fixedWords = string.Join(" ", SubArray(wordArr, 0, 24));
BIP39 bip39 = new BIP39(fixedWords, "", BIP39.Language.English);
var seed = bip39.EntropyBytes;
Rebex.Security.Cryptography.Ed25519 ed25519 = new Rebex.Security.Cryptography.Ed25519();
ed25519.FromSeed(seed);
var secretKey = ed25519.GetPrivateKey();
var publicKey = ed25519.GetPublicKey();
var _public = Convert.ToBase64String(publicKey) + ".ed25519";
var _private = Convert.ToBase64String(secretKey) + ".ed25519";
var keys = new Keys
{
Curve = "ed25519",
Public = _public,
Private = _private,
ID = "@" + _public,
};
return(keys);
}
public Key(string seed = null)
{
_ed25519 = new Rebex.Security.Cryptography.Ed25519();
_sha256 = new SHA256Managed();
_ed25519.FromSeed(
_sha256.ComputeHash(string.IsNullOrEmpty(seed) ? GetSeedKey() : Encoding.UTF8.GetBytes(seed)));
_publicKey = _ed25519.GetPublicKey();
_privateKey = _ed25519.GetPrivateKey();
}
private void button1_Click(object sender, EventArgs e)
{
var timestamp = System.DateTime.UtcNow.ToFileTimeUtc().ToString();
using (var hmacsha256 = new HMACSHA256(GetKey()))
{
hmacsha256.Initialize();
var hash = hmacsha256.ComputeHash(Encoding.UTF8.GetBytes(textBox1.Text));
var ed25519 = new Rebex.Security.Cryptography.Ed25519();
ed25519.FromSeed(hash);
label1.Text = $@"Key:{ByteToString( ed25519.GetPrivateKey())} Hash:{ByteToString(hash)}";
}
}
public async Task <ActionResult> Register(RegisterViewModel model)
{
if (ModelState.IsValid)
{
var o = new Rebex.Security.Cryptography.Ed25519();
var publicKey = Base58Check.Base58CheckEncoding.EncodePlain(o.GetPublicKey());
var privateKey = Base58Check.Base58CheckEncoding.EncodePlain(o.GetPrivateKey());
var user = new ApplicationUser
{
UserName = model.Email,
Email = model.Email,
FirstName = model.FirstName,
LastName = model.LastName,
FullName = string.Format("{0} {1}.", model.LastName, model.FirstName.Substring(0, 1)),
PublicKey = publicKey,
PrivateKey = privateKey,
IsActivated = true,
ApiKey = Guid.NewGuid().ToString()
};
var result = await UserManager.CreateAsync(user, model.Password);
if (result.Succeeded)
{
await SignInManager.SignInAsync(user, isPersistent : false, rememberBrowser : false);
// For more information on how to enable account confirmation and password reset please visit https://go.microsoft.com/fwlink/?LinkID=320771
// Send an email with this link
// string code = await UserManager.GenerateEmailConfirmationTokenAsync(user.Id);
// var callbackUrl = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = code }, protocol: Request.Url.Scheme);
// await UserManager.SendEmailAsync(user.Id, "Confirm your account", "Please confirm your account by clicking <a href=\"" + callbackUrl + "\">here</a>");
return(RedirectToAction("Index", "Home"));
}
AddErrors(result);
}
// If we got this far, something failed, redisplay form
return(View(model));
}