Example usage for org.bouncycastle.crypto.params DHParameters getQ

Introduction

In this page you can find the example usage for org.bouncycastle.crypto.params DHParameters getQ.

Prototype

public BigInteger getQ() 

Source Link

Usage

From source file:com.licel.jcardsim.crypto.DHKeyImpl.java

License:Apache License

public void setParameters(CipherParameters params) {
    DHParameters dhParam = (DHParameters) params;
    g.setBigInteger(dhParam.getG());//from   w w  w.j  a  v  a 2 s. c o m
    p.setBigInteger(dhParam.getP());
    if (dhParam.getQ() != null) {
        q.setBigInteger(dhParam.getQ());
    }
}

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From source file:org.xwiki.crypto.internal.asymmetric.generator.BcDHKeyParameterGenerator.java

License:Open Source License

@Override
public KeyGenerationParameters generate(KeyParametersGenerationParameters parameters) {
    if (!(parameters instanceof DHKeyParametersGenerationParameters)) {
        throw new IllegalArgumentException(
                "Invalid parameters for DH key parameters generator: " + parameters.getClass().getName());
    }/*from   w  w w . j a v a2 s  .c o m*/

    org.bouncycastle.crypto.params.DHParameters dhParams = getDhParameters(random.get(),
            (DHKeyParametersGenerationParameters) parameters);

    org.bouncycastle.crypto.params.DHValidationParameters dhValidParams = dhParams.getValidationParameters();

    return new DHKeyGenerationParameters(dhParams.getP(), dhParams.getG(), dhParams.getQ(), dhParams.getM() / 8,
            dhParams.getL() / 8, dhParams.getJ(),
            ((dhValidParams != null)
                    ? new DHKeyValidationParameters(dhValidParams.getSeed(), dhValidParams.getCounter())
                    : null));
}

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