Examples with OAEPParameterSpec javax.crypto.spec.OAEPParameterSpec used on opensource projects

Example 21 with OAEPParameterSpec

use of javax.crypto.spec.OAEPParameterSpec in project Bytecoder by mirkosertic.

the class OAEPParameters method engineInit.

protected void engineInit(AlgorithmParameterSpec paramSpec) throws InvalidParameterSpecException {
    if (!(paramSpec instanceof OAEPParameterSpec)) {
        throw new InvalidParameterSpecException("Inappropriate parameter specification");
    }
    OAEPParameterSpec spec = (OAEPParameterSpec) paramSpec;
    mdName = spec.getDigestAlgorithm();
    String mgfName = spec.getMGFAlgorithm();
    if (!mgfName.equalsIgnoreCase("MGF1")) {
        throw new InvalidParameterSpecException("Unsupported mgf " + mgfName + "; MGF1 only");
    }
    AlgorithmParameterSpec mgfSpec = spec.getMGFParameters();
    if (!(mgfSpec instanceof MGF1ParameterSpec)) {
        throw new InvalidParameterSpecException("Inappropriate mgf " + "parameters; non-null MGF1ParameterSpec only");
    }
    this.mgfSpec = (MGF1ParameterSpec) mgfSpec;
    PSource pSrc = spec.getPSource();
    if (pSrc.getAlgorithm().equals("PSpecified")) {
        p = ((PSource.PSpecified) pSrc).getValue();
    } else {
        throw new InvalidParameterSpecException("Unsupported pSource " + pSrc.getAlgorithm() + "; PSpecified only");
    }
}

Example 22 with OAEPParameterSpec

use of javax.crypto.spec.OAEPParameterSpec in project Bytecoder by mirkosertic.

the class RSACipher method engineInit.

// see JCE spec
protected void engineInit(int opmode, Key key, AlgorithmParameters params, SecureRandom random) throws InvalidKeyException, InvalidAlgorithmParameterException {
    if (params == null) {
        init(opmode, key, random, null);
    } else {
        try {
            OAEPParameterSpec spec = params.getParameterSpec(OAEPParameterSpec.class);
            init(opmode, key, random, spec);
        } catch (InvalidParameterSpecException ipse) {
            InvalidAlgorithmParameterException iape = new InvalidAlgorithmParameterException("Wrong parameter");
            iape.initCause(ipse);
            throw iape;
        }
    }
}

Example 23 with OAEPParameterSpec

use of javax.crypto.spec.OAEPParameterSpec in project j2objc by google.

the class OAEPParameterSpecTest method testGetMGFParameters.

/**
 * getMGFParameters() method testing.
 */
public void testGetMGFParameters() {
    String mdName = "SHA-1";
    String mgfName = "MGF1";
    AlgorithmParameterSpec mgfSpec = MGF1ParameterSpec.SHA1;
    PSource pSrc = PSource.PSpecified.DEFAULT;
    OAEPParameterSpec ps = new OAEPParameterSpec(mdName, mgfName, mgfSpec, pSrc);
    assertTrue("The returned value does not equal to the " + "value specified in the constructor.", ps.getMGFParameters() == mgfSpec);
}

Example 24 with OAEPParameterSpec

use of javax.crypto.spec.OAEPParameterSpec in project j2objc by google.

the class OAEPParameterSpecTest method testGetDigestAlgorithm.

/**
 * getDigestAlgorithm() method testing.
 */
public void testGetDigestAlgorithm() {
    String mdName = "SHA-1";
    String mgfName = "MGF1";
    AlgorithmParameterSpec mgfSpec = MGF1ParameterSpec.SHA1;
    PSource pSrc = PSource.PSpecified.DEFAULT;
    OAEPParameterSpec ps = new OAEPParameterSpec(mdName, mgfName, mgfSpec, pSrc);
    assertTrue("The returned value does not equal to the " + "value specified in the constructor.", ps.getDigestAlgorithm().equals(mdName));
}

Example 25 with OAEPParameterSpec

use of javax.crypto.spec.OAEPParameterSpec in project j2objc by google.

the class OAEPParameterSpecTest method testGetPSource.

/**
 * getPSource() method testing.
 */
public void testGetPSource() {
    String mdName = "SHA-1";
    String mgfName = "MGF1";
    AlgorithmParameterSpec mgfSpec = MGF1ParameterSpec.SHA1;
    PSource pSrc = PSource.PSpecified.DEFAULT;
    OAEPParameterSpec ps = new OAEPParameterSpec(mdName, mgfName, mgfSpec, pSrc);
    assertTrue("The returned value does not equal to the " + "value specified in the constructor.", ps.getPSource() == pSrc);
}