Examples with ECParameterSpec org.gudy.bouncycastle.jce.spec.ECParameterSpec used on opensource projects

Example 1 with ECParameterSpec

use of org.gudy.bouncycastle.jce.spec.ECParameterSpec in project BiglyBT by BiglySoftware.

the class ECUtil method generatePublicKeyParameter.

public static AsymmetricKeyParameter generatePublicKeyParameter(PublicKey key) throws InvalidKeyException {
    if (key instanceof ECPublicKey) {
        ECPublicKey k = (ECPublicKey) key;
        ECParameterSpec s = k.getParams();
        return new ECPublicKeyParameters(k.getQ(), new ECDomainParameters(s.getCurve(), s.getG(), s.getN()));
    }
    throw new InvalidKeyException("can't identify EC public key.");
}

Example 2 with ECParameterSpec

use of org.gudy.bouncycastle.jce.spec.ECParameterSpec in project BiglyBT by BiglySoftware.

the class ECUtil method generatePrivateKeyParameter.

public static AsymmetricKeyParameter generatePrivateKeyParameter(PrivateKey key) throws InvalidKeyException {
    if (key instanceof ECPrivateKey) {
        ECPrivateKey k = (ECPrivateKey) key;
        ECParameterSpec s = k.getParams();
        return new ECPrivateKeyParameters(k.getD(), new ECDomainParameters(s.getCurve(), s.getG(), s.getN()));
    }
    throw new InvalidKeyException("can't identify EC private key.");
}