Examples with AsymmetricKeyParameter org.bouncycastle.crypto.params.AsymmetricKeyParameter used on opensource projects

Example 6 with AsymmetricKeyParameter

use of org.bouncycastle.crypto.params.AsymmetricKeyParameter in project XobotOS by xamarin.

the class RSADigestSigner method init.

/**
     * initialise the signer for signing or verification.
     *
     * @param forSigning
     *            true if for signing, false otherwise
     * @param parameters
     *            necessary parameters.
     */
public void init(boolean forSigning, CipherParameters parameters) {
    this.forSigning = forSigning;
    AsymmetricKeyParameter k;
    if (parameters instanceof ParametersWithRandom) {
        k = (AsymmetricKeyParameter) ((ParametersWithRandom) parameters).getParameters();
    } else {
        k = (AsymmetricKeyParameter) parameters;
    }
    if (forSigning && !k.isPrivate()) {
        throw new IllegalArgumentException("signing requires private key");
    }
    if (!forSigning && k.isPrivate()) {
        throw new IllegalArgumentException("verification requires public key");
    }
    reset();
    rsaEngine.init(forSigning, parameters);
}

Example 7 with AsymmetricKeyParameter

use of org.bouncycastle.crypto.params.AsymmetricKeyParameter in project XobotOS by xamarin.

the class DHBasicAgreement method init.

public void init(CipherParameters param) {
    AsymmetricKeyParameter kParam;
    if (param instanceof ParametersWithRandom) {
        ParametersWithRandom rParam = (ParametersWithRandom) param;
        kParam = (AsymmetricKeyParameter) rParam.getParameters();
    } else {
        kParam = (AsymmetricKeyParameter) param;
    }
    if (!(kParam instanceof DHPrivateKeyParameters)) {
        throw new IllegalArgumentException("DHEngine expects DHPrivateKeyParameters");
    }
    this.key = (DHPrivateKeyParameters) kParam;
    this.dhParams = key.getParameters();
}

Example 8 with AsymmetricKeyParameter

use of org.bouncycastle.crypto.params.AsymmetricKeyParameter in project 360-Engine-for-Android by 360.

the class PKCS1Encoding method init.

public void init(boolean forEncryption, CipherParameters param) {
    AsymmetricKeyParameter kParam;
    if (param instanceof ParametersWithRandom) {
        ParametersWithRandom rParam = (ParametersWithRandom) param;
        this.random = rParam.getRandom();
        kParam = (AsymmetricKeyParameter) rParam.getParameters();
    } else {
        this.random = new SecureRandom();
        kParam = (AsymmetricKeyParameter) param;
    }
    engine.init(forEncryption, param);
    this.forPrivateKey = kParam.isPrivate();
    this.forEncryption = forEncryption;
}

Example 9 with AsymmetricKeyParameter

use of org.bouncycastle.crypto.params.AsymmetricKeyParameter in project XobotOS by xamarin.

the class PKCS1Encoding method init.

public void init(boolean forEncryption, CipherParameters param) {
    AsymmetricKeyParameter kParam;
    if (param instanceof ParametersWithRandom) {
        ParametersWithRandom rParam = (ParametersWithRandom) param;
        this.random = rParam.getRandom();
        kParam = (AsymmetricKeyParameter) rParam.getParameters();
    } else {
        this.random = new SecureRandom();
        kParam = (AsymmetricKeyParameter) param;
    }
    engine.init(forEncryption, param);
    this.forPrivateKey = kParam.isPrivate();
    this.forEncryption = forEncryption;
}