public void Init(
bool forSigning,
ICipherParameters parameters)
{
this.forSigning = forSigning;
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 ECPrivateKeyParameters))
throw new InvalidKeyException("EC private key required for signing");
this.key = (ECPrivateKeyParameters) parameters;
}
else
{
if (!(parameters is ECPublicKeyParameters))
throw new InvalidKeyException("EC public key required for verification");
this.key = (ECPublicKeyParameters) parameters;
}
}
public virtual void Init(bool forSigning, ICipherParameters parameters)
{
SecureRandom providedRandom = null;
if (forSigning)
{
if (parameters is ParametersWithRandom)
{
ParametersWithRandom rParam = (ParametersWithRandom)parameters;
providedRandom = rParam.Random;
parameters = rParam.Parameters;
}
if (!(parameters is ECPrivateKeyParameters))
throw new InvalidKeyException("EC private key required for signing");
this.key = (ECPrivateKeyParameters)parameters;
}
else
{
if (!(parameters is ECPublicKeyParameters))
throw new InvalidKeyException("EC public key required for verification");
this.key = (ECPublicKeyParameters)parameters;
}
this.random = InitSecureRandom(forSigning && !kCalculator.IsDeterministic, providedRandom);
}
public ECKeyGenerationParameters(
DerObjectIdentifier publicKeyParamSet,
SecureRandom random)
: this(ECKeyParameters.LookupParameters(publicKeyParamSet), random)
{
this.publicKeyParamSet = publicKeyParamSet;
}
public ECKey(byte[] vch, bool isPrivate)
{
if (isPrivate)
_Key = new ECPrivateKeyParameters(new BigInteger(1, vch), DomainParameter);
else
{
var q = Secp256k1.Curve.DecodePoint(vch);
_Key = new ECPublicKeyParameters("EC", q, DomainParameter);
}
}
protected bool Equals(
ECKeyParameters other)
{
return(parameters.Equals(other.parameters) && base.Equals(other));
}
protected bool Equals(
ECKeyParameters other)
{
return parameters.Equals(other.parameters) && base.Equals(other);
}
