public override bool Equals(
object obj)
{
if (obj == this)
{
return(true);
}
DsaValidationParameters other = obj as DsaValidationParameters;
if (other == null)
{
return(false);
}
return(Equals(other));
}
public DsaParameters(
BigInteger p,
BigInteger q,
BigInteger g,
DsaValidationParameters parameters)
{
if (p == null)
{
throw new ArgumentNullException("p");
}
if (q == null)
{
throw new ArgumentNullException("q");
}
if (g == null)
{
throw new ArgumentNullException("g");
}
this.p = p;
this.q = q;
this.g = g;
this.validation = parameters;
}
/// <summary>
/// Generate a new set of DSA domain parameters.
/// </summary>
/// <returns>A new set of DSADomainParameters</returns>
public DsaDomainParameters GenerateDomainParameters()
{
if (parameters.P != null)
{
byte[] seed = parameters.GetSeed();
if (seed != null && parameters.UsageIndex >= 0)
{
BigInteger g = DsaParametersGenerator.CalculateGenerator_FIPS186_3_Verifiable(FipsShs.CreateDigest(digestAlgorithm), parameters.P, parameters.Q, seed, parameters.UsageIndex);
return(new DsaDomainParameters(parameters.P, parameters.Q, g, new Org.BouncyCastle.Crypto.Asymmetric.DsaValidationParameters(seed, -1, parameters.UsageIndex)));
}
else
{
BigInteger g = DsaParametersGenerator.CalculateGenerator_FIPS186_3_Unverifiable(parameters.P, parameters.Q, random);
return(new DsaDomainParameters(parameters.P, parameters.Q, g, null));
}
}
else
{
DsaParametersGenerator pGen = new DsaParametersGenerator(FipsShs.CreateDigest(digestAlgorithm));
DsaParameterGenerationParameters dsaGenParameters = new DsaParameterGenerationParameters(
parameters.L, parameters.N, parameters.Certainty, random, parameters.UsageIndex);
pGen.Init(dsaGenParameters);
DsaParameters p = pGen.GenerateParameters();
Org.BouncyCastle.Crypto.Internal.Parameters.DsaValidationParameters validationParameters = p.ValidationParameters;
return(new DsaDomainParameters(p.P, p.Q, p.G, new Org.BouncyCastle.Crypto.Asymmetric.DsaValidationParameters(validationParameters.GetSeed(), validationParameters.Counter, validationParameters.UsageIndex)));
}
}
protected virtual bool Equals(
DsaValidationParameters other)
{
return(counter == other.counter &&
Arrays.AreEqual(seed, other.seed));
}