public static string ArrayBuilder(string arrayName, IKeyPair keyPair, int keyCount)
{
var stringBuilder = new StringBuilder("new[] { ");
for (var i = 0; i < keyPair.LowKey; i++)
{
stringBuilder.Append(arrayName + "[" + i + "], ");
}
stringBuilder.Append(arrayName + "[" + keyPair.HiKey + "], ");
for (var i = keyPair.LowKey + 1; i < keyPair.HiKey; i++)
{
stringBuilder.Append(arrayName + "[" + i + "], ");
}
stringBuilder.Append((keyPair.HiKey == keyCount - 1) ? arrayName + "[" + keyPair.LowKey + "] " : arrayName + "[" + keyPair.LowKey + "], ");
for (var i = keyPair.HiKey + 1; i < keyCount; i++)
{
stringBuilder.Append(arrayName + "[" + i + "]" + ((i == keyCount - 1) ? "" : ", "));
}
return(stringBuilder.Append(" }").ToString());
}
public Transaction GenerateCustomTransaction(IKeyPair owner, ProofOfWork pow, Chain chain, Func<byte[]> scriptGenerator)
{
var script = scriptGenerator();
var tx = MakeTransaction(owner, pow, chain, script);
return tx;
}
public static String ComputeAddress(String secret)
{
byte[] pubBytes = null;
IKeyPair keyPair = Seed.GetKeyPair(secret);
pubBytes = HashUtils.SHA256_RIPEMD160(keyPair.Pub.ToByteArray());
return(Config.GetB58IdentiferCodecs().EncodeAddress(pubBytes));
}
// Starting Xrp Balance/Lines/Offers etc
private TestAccount(string alias, AccountId id, IKeyPair keyPair, string secret)
{
Id = id;
Secret = secret;
SetSigningKey(keyPair);
NextSequence = 1;
Alias = alias;
}
public static ISorterStager AppendKeyPair(this ISorterStager sorterStager, IKeyPair keyPair)
{
return
(sorterStager.Current.KeyPairs.Any(kp => kp.Overlaps(keyPair))
?
new SorterStagerImpl(sorterStager.Current, SorterStage.Empty)
:
new SorterStagerImpl(sorterStager.Current, sorterStager.Current.AppendKeyPair(keyPair)));
}
public IEnumerator SignAndSendTransactionWithPayload(IKeyPair keys, string nexus, byte[] script, string chain, byte[] payload, Action <string> callback, Action <EPHANTASMA_SDK_ERROR_TYPE, string> errorHandlingCallback = null, Func <byte[], byte[], byte[], byte[]> customSignFunction = null)
{
Log.Write("Sending transaction...");
var tx = new Blockchain.Transaction(nexus, chain, script, DateTime.UtcNow + TimeSpan.FromMinutes(20), payload);
tx.Sign(keys, customSignFunction);
yield return(SendRawTransaction(Base16.Encode(tx.ToByteArray(true)), callback, errorHandlingCallback));
}
public static bool Overlaps(this IKeyPair lhs, IKeyPair rhs)
{
return((lhs.LowKey == rhs.LowKey)
||
(lhs.LowKey == rhs.HiKey)
||
(lhs.HiKey == rhs.LowKey)
||
(lhs.HiKey == rhs.HiKey));
}
public static ConfigurationValue FromKey(IKeyPair keyPair)
{
var bytes = keyPair.AsBinaryData();
return(new ConfigurationValue
{
Type = ConfigurationValueType.Bytes,
BytesValue = bytes,
Value = bytes
});
}
//switchExpr = a => ((a & Mask0To1) == CShift0) ? new Tuple<ushort, bool>((ushort) (a^Mask0To1), true) : new Tuple<ushort, bool>(a, false);
public static string SwitchExpression(string dataType, IKeyPair keyPair)
{
return(String.Format
(
"new Func<{3}, Tuple<{3}, bool>>({0} => (({0} & {1}) == {2}) ? new Tuple<{3}, bool>(({3}) ({0} ^ {1}), true) : new Tuple<{3}, bool>({0}, false))",
"a",
KeyPairMaskName(keyPair),
ShiftName(keyPair.LowKey),
dataType
));
}
public void testDerivationFromString()
{
IKeyPair keyPairFromSeed = AccountId.KeyPairFromSeed(TestFixtures.MasterSeed);
Assert.AreEqual(
"0330E7FC9D56BB25D6893BA3F317AE5BCF33B3291BD63DB32654A313222F7FD020",
keyPairFromSeed.PubHex());
Assert.AreEqual(
"1ACAAEDECE405B2A958212629E16F2EB46B153EEE94CDD350FDEFF52795525B7",
keyPairFromSeed.PrivHex());
}
static KeyPairRepository()
{
keyPairs = new IKeyPair[KeyPairSetSizeForKeyCount(MaxKeyCount)];
for (var hiKey = 1; hiKey < MaxKeyCount; hiKey++)
{
for (var lowKey = 0; lowKey < hiKey; lowKey++)
{
var keyPairIndex = KeyPairIndex(lowKey, hiKey);
keyPairs[keyPairIndex] = new KeyPair(keyPairIndex, lowKey, hiKey);
}
}
}
public SwitchGraphicVm
(
IKeyPair keyPair,
int keyCount,
List <Brush> lineBrushes,
int width
)
{
_keyPair = keyPair;
_keyCount = keyCount;
_lineBrushes = lineBrushes;
_width = width;
}
public static ECDsaSignature Generate(IKeyPair keypair, byte[] message, ECDsaCurve curve)
{
Throw.If(curve != ECDsaCurve.Secp256r1, "curve support not implemented for " + curve);
if (keypair.PublicKey.Length != 33)
{
throw new System.Exception("public key must be 33 bytes");
}
var signature = CryptoExtensions.SignECDsa(message, keypair.PrivateKey, keypair.PublicKey);
return(new ECDsaSignature(signature, curve));
}
private static IKeyPair ExtractKeyPair(PrivateKeyFileDataReader privateKeySectionReader)
{
var keyType = privateKeySectionReader.ReadString(Encoding.UTF8);
IKeyPair keyPair = null;
if (keyType == KeyTypes.ED25519)
{
var publicKey = privateKeySectionReader.ReadBytes(privateKeySectionReader.ReadInt32());
privateKeySectionReader.ReadInt32(); //length of private + public key
var privateKey = privateKeySectionReader.ReadBytes(32);
privateKeySectionReader.ReadBytes(32); //public key (again)
var comment = privateKeySectionReader.ReadString(Encoding.UTF8);
keyPair = new Ed25519KeyPair(comment, publicKey, privateKey);
}
else if (keyType == KeyTypes.RSA)
{
var n = privateKeySectionReader.ReadBigInteger(); //Modulus
var e = privateKeySectionReader.ReadBigInteger(); //Public Exponent
var d = privateKeySectionReader.ReadBigInteger(); //Private Exponent
var iqmp = privateKeySectionReader.ReadBigInteger(); //q^-1 mod p
var p = privateKeySectionReader.ReadBigInteger(); //Prime 1
var q = privateKeySectionReader.ReadBigInteger(); //Prime 2
var comment = privateKeySectionReader.ReadString(Encoding.UTF8);
keyPair = new RsaKeyPair(comment, n, e, d, iqmp, p, q);
}
else if (keyType == KeyTypes.ECDSA256 || keyType == KeyTypes.ECDSA384 || keyType == KeyTypes.ECDSA521)
{
int curveLength = privateKeySectionReader.ReadInt32();
var curve = Encoding.ASCII.GetString(privateKeySectionReader.ReadBytes(curveLength));
var publicKey = privateKeySectionReader.ReadBytes(privateKeySectionReader.ReadInt32());
var privateKey = privateKeySectionReader.ReadBytes(privateKeySectionReader.ReadInt32());
var comment = privateKeySectionReader.ReadString(Encoding.UTF8);
keyPair = new EcdsaKeyPair(keyType, comment, curve, publicKey, privateKey);
}
else if (keyType == KeyTypes.DSA)
{
var p = privateKeySectionReader.ReadBigInteger();
var q = privateKeySectionReader.ReadBigInteger();
var g = privateKeySectionReader.ReadBigInteger();
var y = privateKeySectionReader.ReadBigInteger();
var x = privateKeySectionReader.ReadBigInteger();
var comment = privateKeySectionReader.ReadString(Encoding.UTF8);
keyPair = new DsaKeyPair(comment, p, q, g, y, x);
}
else
{
throw new OpenSshKeyParseException($"key type '{keyType}' is not supported by this parser");
}
return(keyPair);
}
public void Sign(IKeyPair keypair, Func <byte[], byte[], byte[], byte[]> customSignFunction = null)
{
Throw.If(keypair == null, "invalid keypair");
var msg = this.ToByteArray(false);
Signature sig = keypair.Sign(msg, customSignFunction);
var sigs = new List <Signature>();
if (this.Signatures != null && this.Signatures.Length > 0)
{
sigs.AddRange(this.Signatures);
}
sigs.Add(sig);
this.Signatures = sigs.ToArray();
}
public void Prepare(IKeyPair keyPair, Amount fee, UInt32 sequence, UInt32 lastLedgerSequence)
{
// This won't always be specified
if (lastLedgerSequence != null)
{
Txn.Add(UInt32.LastLedgerSequence, lastLedgerSequence);
}
Txn.Add(UInt32.Sequence, sequence);
Txn.Add(Amount.Fee, fee);
Txn.Add(VariableLength.SigningPubKey, keyPair.PubBytes());
if (Transaction.CanonicalFlagDeployed)
{
Txn.SetCanonicalSignatureFlag();
}
SigningHash = Txn.SigningHash();
if (PreviousSigningHash != null && SigningHash.Equals(PreviousSigningHash))
{
return;
}
try
{
byte[] signature = keyPair.Sign(SigningHash.Bytes);
Txn.Add(VariableLength.TxnSignature, signature);
var blob = new BytesList();
Hash256.HalfSha512 id = Hash256.Prefixed256(HashPrefix.TransactionId);
Txn.ToBytesSink(new MultiSink(blob, id));
TxBlob = blob.BytesHex();
Hash = id.Finish();
}
catch (Exception e)
{
// electric paranoia
PreviousSigningHash = null;
throw new ApplicationException("Something went wrong.", e);
}
PreviousSigningHash = SigningHash;
}
public void Prepare(IKeyPair keyPair, Amount fee, UInt32 sequence, UInt32 lastLedgerSequence)
{
// This won't always be specified
if (lastLedgerSequence != null)
{
Txn.Add(UInt32.LastLedgerSequence, lastLedgerSequence);
}
Txn.Add(UInt32.Sequence, sequence);
Txn.Add(Amount.Fee, fee);
Txn.Add(VariableLength.SigningPubKey, keyPair.PubBytes());
if (Transaction.CanonicalFlagDeployed)
{
Txn.SetCanonicalSignatureFlag();
}
SigningHash = Txn.SigningHash();
if (PreviousSigningHash != null && SigningHash.Equals(PreviousSigningHash))
{
return;
}
try
{
byte[] signature = keyPair.Sign(SigningHash.Bytes);
Txn.Add(VariableLength.TxnSignature, signature);
var blob = new BytesList();
Hash256.HalfSha512 id = Hash256.Prefixed256(HashPrefix.TransactionId);
Txn.ToBytesSink(new MultiSink(blob, id));
TxBlob = blob.BytesHex();
Hash = id.Finish();
}
catch (Exception e)
{
// electric paranoia
PreviousSigningHash = null;
throw new ApplicationException("Something went wrong.", e);
}
PreviousSigningHash = SigningHash;
}
public static ECDsaSignature Generate(IKeyPair keypair, byte[] message, ECDsaCurve curve, Func <byte[], byte[], byte[], byte[]> customSignFunction = null)
{
if (keypair.PublicKey.Length != 32 && keypair.PublicKey.Length != 33 && keypair.PublicKey.Length != 64)
{
throw new System.Exception($"public key must be 32, 33 or 64 bytes, given key's length: {keypair.PublicKey.Length}");
}
byte[] signature;
if (customSignFunction != null)
{
signature = customSignFunction(message, keypair.PrivateKey, keypair.PublicKey);
}
else
{
signature = CryptoExtensions.SignECDsa(message, keypair.PrivateKey, keypair.PublicKey, curve);
}
return(new ECDsaSignature(signature, curve));
}
public static Address FromKey(IKeyPair key)
{
var bytes = new byte[LengthInBytes];
bytes[0] = (byte)AddressKind.User;
if (key.PublicKey.Length == 32)
{
ByteArrayUtils.CopyBytes(key.PublicKey, 0, bytes, 2, 32);
}
else
if (key.PublicKey.Length == 33)
{
ByteArrayUtils.CopyBytes(key.PublicKey, 0, bytes, 1, 33);
}
else
{
throw new Exception("Invalid public key length");
}
return(new Address(bytes));
}
private Wallet(string address, string secret)
{
Address = address;
Secret = secret;
_keyPair = Seed.GetKeyPair(secret);
}
protected RecordHandler(IKeyPair secureConnection, TlsVersion recordVersion, IPipeWriter output)
{
_recordVersion = recordVersion;
_connection = secureConnection;
_output = output;
}
public static Ed25519Signature Generate(IKeyPair keypair, byte[] message)
{
var sign = Ed25519.Sign(message, Ed25519.ExpandedPrivateKeyFromSeed(keypair.PrivateKey));
return(new Ed25519Signature(sign));
}
public KeyPairVm(IKeyPair keyPair, Brush switchBrush, int position)
{
_switchBrush = switchBrush;
_position = position;
_keyPair = keyPair;
}
private void SetSigningKey(IKeyPair keyPair)
{
KeyPair = keyPair;
Signer = TxSigner.FromKeyPair(keyPair);
}
public DependentKeyPair(IKeyPair keyPair)
{
_keyPair = keyPair;
IsUsed = IsDisabled = false;
}
private Transaction MakeTransaction(IKeyPair source, ProofOfWork pow, Chain chain, byte[] script)
{
return(MakeTransaction(new IKeyPair[] { source }, pow, chain, script));
}
public static TxSigner FromKeyPair(IKeyPair keyPair)
{
return new TxSigner(keyPair);
}
public static byte[] PubKeyHash(this IKeyPair pair)
{
return(HashUtils.PublicKeyHash(pair.CanonicalPubBytes()));
}
public void Sign(IKeyPair keys)
{
var msg = this.ToByteArray(false);
this.Signature = keys.Sign(msg);
}
public static TxSigner FromKeyPair(IKeyPair keyPair)
{
return(new TxSigner(keyPair));
}
private TxSigner(IKeyPair keyPair)
{
_keyPair = keyPair;
}
public Transaction GenerateCustomTransaction(IKeyPair owner, ProofOfWork pow, Func <byte[]> scriptGenerator)
{
return(GenerateCustomTransaction(owner, pow, Nexus.RootChain, scriptGenerator));
}
private TxSigner(IKeyPair keyPair)
{
_keyPair = keyPair;
}
