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Example 1 with LMSHSSParameterSpec

use of org.bouncycastle.pqc.jcajce.spec.LMSHSSParameterSpec in project jmulticard by ctt-gob-es.

the class LMSKeyPairGeneratorSpi method initialize.

public void initialize(AlgorithmParameterSpec params, SecureRandom random) throws InvalidAlgorithmParameterException {
    if (params instanceof LMSKeyGenParameterSpec) {
        LMSKeyGenParameterSpec lmsParams = (LMSKeyGenParameterSpec) params;
        param = new LMSKeyGenerationParameters(new LMSParameters(lmsParams.getSigParams(), lmsParams.getOtsParams()), random);
        engine = new LMSKeyPairGenerator();
        engine.init(param);
    } else if (params instanceof LMSHSSKeyGenParameterSpec) {
        LMSKeyGenParameterSpec[] lmsParams = ((LMSHSSKeyGenParameterSpec) params).getLMSSpecs();
        LMSParameters[] hssParams = new LMSParameters[lmsParams.length];
        for (int i = 0; i != lmsParams.length; i++) {
            hssParams[i] = new LMSParameters(lmsParams[i].getSigParams(), lmsParams[i].getOtsParams());
        }
        param = new HSSKeyGenerationParameters(hssParams, random);
        engine = new HSSKeyPairGenerator();
        engine.init(param);
    } else if (params instanceof LMSParameterSpec) {
        LMSParameterSpec lmsParams = (LMSParameterSpec) params;
        param = new LMSKeyGenerationParameters(new LMSParameters(lmsParams.getSigParams(), lmsParams.getOtsParams()), random);
        engine = new LMSKeyPairGenerator();
        engine.init(param);
    } else if (params instanceof LMSHSSParameterSpec) {
        LMSParameterSpec[] lmsParams = ((LMSHSSParameterSpec) params).getLMSSpecs();
        LMSParameters[] hssParams = new LMSParameters[lmsParams.length];
        for (int i = 0; i != lmsParams.length; i++) {
            hssParams[i] = new LMSParameters(lmsParams[i].getSigParams(), lmsParams[i].getOtsParams());
        }
        param = new HSSKeyGenerationParameters(hssParams, random);
        engine = new HSSKeyPairGenerator();
        engine.init(param);
    } else {
        throw new InvalidAlgorithmParameterException("parameter object not a LMSParameterSpec/LMSHSSParameterSpec");
    }
    initialised = true;
}
Also used : HSSKeyGenerationParameters(org.bouncycastle.pqc.crypto.lms.HSSKeyGenerationParameters) LMSKeyGenParameterSpec(org.bouncycastle.pqc.jcajce.spec.LMSKeyGenParameterSpec) LMSHSSParameterSpec(org.bouncycastle.pqc.jcajce.spec.LMSHSSParameterSpec) LMSKeyGenerationParameters(org.bouncycastle.pqc.crypto.lms.LMSKeyGenerationParameters) InvalidAlgorithmParameterException(java.security.InvalidAlgorithmParameterException) LMSParameterSpec(org.bouncycastle.pqc.jcajce.spec.LMSParameterSpec) LMSKeyPairGenerator(org.bouncycastle.pqc.crypto.lms.LMSKeyPairGenerator) LMSParameters(org.bouncycastle.pqc.crypto.lms.LMSParameters) LMSHSSKeyGenParameterSpec(org.bouncycastle.pqc.jcajce.spec.LMSHSSKeyGenParameterSpec) HSSKeyPairGenerator(org.bouncycastle.pqc.crypto.lms.HSSKeyPairGenerator)

Aggregations

InvalidAlgorithmParameterException (java.security.InvalidAlgorithmParameterException)1 HSSKeyGenerationParameters (org.bouncycastle.pqc.crypto.lms.HSSKeyGenerationParameters)1 HSSKeyPairGenerator (org.bouncycastle.pqc.crypto.lms.HSSKeyPairGenerator)1 LMSKeyGenerationParameters (org.bouncycastle.pqc.crypto.lms.LMSKeyGenerationParameters)1 LMSKeyPairGenerator (org.bouncycastle.pqc.crypto.lms.LMSKeyPairGenerator)1 LMSParameters (org.bouncycastle.pqc.crypto.lms.LMSParameters)1 LMSHSSKeyGenParameterSpec (org.bouncycastle.pqc.jcajce.spec.LMSHSSKeyGenParameterSpec)1 LMSHSSParameterSpec (org.bouncycastle.pqc.jcajce.spec.LMSHSSParameterSpec)1 LMSKeyGenParameterSpec (org.bouncycastle.pqc.jcajce.spec.LMSKeyGenParameterSpec)1 LMSParameterSpec (org.bouncycastle.pqc.jcajce.spec.LMSParameterSpec)1