/// <summary>
/// Create a key pair for by using a given curve
/// </summary>
/// <param name="curveName">the curve to use for key creation</param>
public void CreateKeyPair(string curveName)
{
var oid = Gost3410NamedParameters.GetOid(curveName);
var keyGenerationParameters = new Gost3410KeyGenerationParameters(new SecureRandom(), oid);
var keyGenerator = new Gost3410KeyPairGenerator();
keyGenerator.Init(keyGenerationParameters);
keyPair = keyGenerator.GenerateKeyPair();
}
/// <summary>
/// Generate key pair.
/// </summary>
/// <returns></returns>
public override AsymmetricCipherKeyPair GenerateKeyPair()
{
Gost3410ParametersGenerator generator2 = new Gost3410ParametersGenerator();
generator2.Init(_keySize, _procedure, Common.ThreadSecureRandom.Value);
Gost3410Parameters parameters2 = generator2.GenerateParameters();
KeyGenerationParameters parameters = new Gost3410KeyGenerationParameters(Common.ThreadSecureRandom.Value, parameters2);
IAsymmetricCipherKeyPairGenerator generator = new Gost3410KeyPairGenerator();
generator.Init(parameters);
return(generator.GenerateKeyPair());
}
public void Init(KeyGenerationParameters parameters)
{
if (parameters is Gost3410KeyGenerationParameters)
{
param = (Gost3410KeyGenerationParameters)parameters;
return;
}
Gost3410KeyGenerationParameters gost3410KeyGenerationParameters = new Gost3410KeyGenerationParameters(parameters.Random, CryptoProObjectIdentifiers.GostR3410x94CryptoProA);
int strength = parameters.Strength;
int num = gost3410KeyGenerationParameters.Parameters.P.BitLength - 1;
param = gost3410KeyGenerationParameters;
}
public void Init(
KeyGenerationParameters parameters)
{
if (parameters is Gost3410KeyGenerationParameters)
{
this.param = (Gost3410KeyGenerationParameters)parameters;
}
else
{
Gost3410KeyGenerationParameters kgp = new Gost3410KeyGenerationParameters(
parameters.Random,
CryptoProObjectIdentifiers.GostR3410x94CryptoProA);
if (parameters.Strength != kgp.Parameters.P.BitLength - 1)
{
// TODO Should we complain?
}
this.param = kgp;
}
}
