DsaKey
Contains DSA private and public key.
using Renci.SshNet.Common;
using Renci.SshNet.Security.Cryptography;
using System;
namespace Renci.SshNet.Security
{
public class DsaKey : Key, IDisposable
{
private DsaDigitalSignature _digitalSignature;
private bool _isDisposed;
public BigInteger P => _privateKey[0];
public BigInteger Q => _privateKey[1];
public BigInteger G => _privateKey[2];
public BigInteger Y => _privateKey[3];
public BigInteger X => _privateKey[4];
public override int KeyLength => P.BitLength;
protected internal override DigitalSignature DigitalSignature {
get {
if (_digitalSignature == null)
_digitalSignature = new DsaDigitalSignature(this);
return _digitalSignature;
}
}
public override BigInteger[] Public {
get {
return new BigInteger[4] {
P,
Q,
G,
Y
};
}
set {
if (value.Length != 4)
throw new InvalidOperationException("Invalid public key.");
_privateKey = value;
}
}
public DsaKey()
{
_privateKey = new BigInteger[5];
}
public DsaKey(byte[] data)
: base(data)
{
if (_privateKey.Length != 5)
throw new InvalidOperationException("Invalid private key.");
}
public DsaKey(BigInteger p, BigInteger q, BigInteger g, BigInteger y, BigInteger x)
{
_privateKey = new BigInteger[5] {
p,
q,
g,
y,
x
};
}
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed && disposing) {
DsaDigitalSignature digitalSignature = _digitalSignature;
if (digitalSignature != null) {
digitalSignature.Dispose();
_digitalSignature = null;
}
_isDisposed = true;
}
}
~DsaKey()
{
Dispose(false);
}
}
}