public void OpenDetachedSecretBoxBadNonce()
{
var actual = SecretBox.CreateDetached(
Encoding.UTF8.GetBytes("Adam Caudill"),
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Encoding.UTF8.GetBytes("12345678901234567890123456789012"));
SecretBox.OpenDetached(actual.CipherText, actual.Mac,
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVW"),
Encoding.UTF8.GetBytes("12345678901234567890123456789012"));
}
public void OpenDetachedSecretBoxBadKey()
{
var actual = SecretBox.CreateDetached(
Encoding.UTF8.GetBytes("Adam Caudill"),
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Encoding.UTF8.GetBytes("12345678901234567890123456789012"));
Assert.Throws <KeyOutOfRangeException>(() =>
{
SecretBox.OpenDetached(actual.CipherText, actual.Mac,
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Encoding.UTF8.GetBytes("123456789012345678901234567890"));
});
}
public void DetachedSecretBox()
{
var expected = Utilities.HexToBinary("4164616d2043617564696c6c");
var actual = SecretBox.CreateDetached(
Encoding.UTF8.GetBytes("Adam Caudill"),
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Encoding.UTF8.GetBytes("12345678901234567890123456789012"));
var clear = SecretBox.OpenDetached(actual.CipherText, actual.Mac,
Encoding.UTF8.GetBytes("ABCDEFGHIJKLMNOPQRSTUVWX"),
Encoding.UTF8.GetBytes("12345678901234567890123456789012"));
Assert.AreEqual(clear, expected);
}
public static KeyPair ImportFromKeystore(Wallet wallet, string input, int len, JsonSerializerSettings jsonSettings)
{
Contract.Assert(!string.IsNullOrWhiteSpace(wallet.PasswordHash));
var passwordHashBytes = Encoding.UTF8.GetBytes(wallet.PasswordHash);
var kstore = JsonConvert.DeserializeObject <Keystore>(input, jsonSettings);
if (kstore.Version != KeystoreVersion)
{
throw new NotSupportedException("Unsupported version");
}
string kdfTypeString = kstore.Crypto.Kdf;
if (!Enum.TryParse(kdfTypeString, true, out KdfType kdfType))
{
throw new NotSupportedException("Unsupported kdf");
}
byte[] derivedKey;
switch (kdfType)
{
case KdfType.Scrypt:
{
derivedKey = PasswordHash.ScryptHashBinary(
passwordHashBytes,
kstore.Crypto.KdfParameters.Salt.FromHex(),
PasswordHash.Strength.Sensitive,
kstore.Crypto.KdfParameters.DerivedKeyLength);
break;
}
case KdfType.Argon:
{
derivedKey = PasswordHash.ArgonHashBinary(
passwordHashBytes,
kstore.Crypto.KdfParameters.Salt.FromHex(),
PasswordHash.StrengthArgon.Sensitive,
kstore.Crypto.KdfParameters.DerivedKeyLength);
break;
}
default:
throw new NotSupportedException("Unsupported kdf");
}
string ciphertext = kstore.Crypto.CipherText;
string mac = kstore.Crypto.Mac;
string iv = kstore.Crypto.CipherParameters.Iv;
byte[] nonce = derivedKey.Take(len).ToArray();
byte[] seed = SecretBox.OpenDetached(ciphertext, mac.FromHex(), nonce, iv.FromHex());
var imported = new KeyPair(
wallet.KeyPairs.Count + 1,
kstore.Address.FromHex(),
seed);
wallet.KeyPairs.Add(imported);
return(imported);
}
