/// <summary>
/// Initializes a new instance of the <see cref="Key"/> class.
/// </summary>
/// <param name="data">DER encoded private key data.</param>
public Key(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
var der = new DerData(data);
var version = der.ReadBigInteger();
var keys = new List <BigInteger>();
while (!der.IsEndOfData)
{
keys.Add(der.ReadBigInteger());
}
this._privateKey = keys.ToArray();
}
public void ReadBigIntegerTest()
{
DerData target = new DerData(); // TODO: Initialize to an appropriate value
BigInteger expected = new BigInteger(); // TODO: Initialize to an appropriate value
BigInteger actual;
actual = target.ReadBigInteger();
Assert.AreEqual(expected, actual);
Assert.Inconclusive("Verify the correctness of this test method.");
}
/// <summary>
/// Initializes a new instance of the <see cref="Key"/> class.
/// </summary>
/// <param name="data">DER encoded private key data.</param>
protected Key(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
var der = new DerData(data);
der.ReadBigInteger(); // skip version
var keys = new List <BigInteger>();
while (!der.IsEndOfData)
{
keys.Add(der.ReadBigInteger());
}
_privateKey = keys.ToArray();
}
/// <summary>
/// Initializes a new instance of the <see cref="EcdsaKey"/> class.
/// </summary>
/// <param name="data">DER encoded private key data.</param>
public EcdsaKey(byte[] data)
{
var der = new DerData(data);
var version = der.ReadBigInteger(); // skip version
// PrivateKey
var privatekey = der.ReadOctetString().TrimLeadingZeros();
// Construct
var s0 = der.ReadByte();
if ((s0 & 0xe0) != 0xa0)
{
throw new SshException(string.Format("UnexpectedDER: wanted constructed tag (0xa0-0xbf), got: {0:X}", s0));
}
var tag = s0 & 0x1f;
if (tag != 0)
{
throw new SshException(string.Format("expected tag 0 in DER privkey, got: {0}", tag));
}
var construct = der.ReadBytes(der.ReadLength()); // object length
// curve OID
var curve_der = new DerData(construct, true);
var curve = curve_der.ReadObject();
// Construct
s0 = der.ReadByte();
if ((s0 & 0xe0) != 0xa0)
{
throw new SshException(string.Format("UnexpectedDER: wanted constructed tag (0xa0-0xbf), got: {0:X}", s0));
}
tag = s0 & 0x1f;
if (tag != 1)
{
throw new SshException(string.Format("expected tag 1 in DER privkey, got: {0}", tag));
}
construct = der.ReadBytes(der.ReadLength()); // object length
// PublicKey
var pubkey_der = new DerData(construct, true);
var pubkey = pubkey_der.ReadBitString().TrimLeadingZeros();
Import(OidByteArrayToString(curve), pubkey, privatekey);
}