public virtual void Init(
bool forSigning,
ICipherParameters parameters)
{
if (forSigning)
{
if (parameters is ParametersWithRandom)
{
ParametersWithRandom rParam = (ParametersWithRandom)parameters;
this.random = rParam.Random;
parameters = rParam.Parameters;
}
else
{
this.random = new SecureRandom();
}
if (!(parameters is Gost3410PrivateKeyParameters))
throw new InvalidKeyException("GOST3410 private key required for signing");
this.key = (Gost3410PrivateKeyParameters) parameters;
}
else
{
if (!(parameters is Gost3410PublicKeyParameters))
throw new InvalidKeyException("GOST3410 public key required for signing");
this.key = (Gost3410PublicKeyParameters) parameters;
}
}
protected Gost3410KeyParameters(bool isPrivate, DerObjectIdentifier publicKeyParamSet) : base(isPrivate)
{
this.parameters = Gost3410KeyParameters.LookupParameters(publicKeyParamSet);
this.publicKeyParamSet = publicKeyParamSet;
}
