Examples of org.bouncycastle2.crypto.PBEParametersGenerator.generateDerivedParameters()

Class org.bouncycastle2.crypto.PBEParametersGenerator

Examples of org.bouncycastle2.crypto.PBEParametersGenerator.generateDerivedParameters()

org.bouncycastle2.crypto.PBEParametersGenerator.generateDerivedParameters()
generate derived parameters for a key of length keySize. @param keySize the length, in bits, of the key required. @return a parameters object representing a key.

            
            generator.init(key, pbeParam.getSalt(), pbeParam.getIterationCount());


            if (pbeKey.getIvSize() != 0)
            {
                param = generator.generateDerivedParameters(pbeKey.getKeySize(), pbeKey.getIvSize());
            }
            else
            {
                param = generator.generateDerivedParameters(pbeKey.getKeySize());
            }

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            {
                param = generator.generateDerivedParameters(pbeKey.getKeySize(), pbeKey.getIvSize());
            }
            else
            {
                param = generator.generateDerivedParameters(pbeKey.getKeySize());
            }


            if (targetAlgorithm.startsWith("DES"))
            {
                if (param instanceof ParametersWithIV)

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            generator.init(key, keySpec.getSalt(), keySpec.getIterationCount());
    
            if (ivSize != 0)
            {
                param = generator.generateDerivedParameters(keySize, ivSize);
            }
            else
            {
                param = generator.generateDerivedParameters(keySize);
            }

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            {
                param = generator.generateDerivedParameters(keySize, ivSize);
            }
            else
            {
                param = generator.generateDerivedParameters(keySize);
            }
    
            for (int i = 0; i != key.length; i++)
            {
                key[i] = 0;

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            generator.init(key, pbeParam.getSalt(), pbeParam.getIterationCount());


            if (ivSize != 0)
            {
                param = generator.generateDerivedParameters(keySize, ivSize);
            }
            else
            {
                param = generator.generateDerivedParameters(keySize);
            }

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            {
                param = generator.generateDerivedParameters(keySize, ivSize);
            }
            else
            {
                param = generator.generateDerivedParameters(keySize);
            }


            if (targetAlgorithm.startsWith("DES"))
            {
                if (param instanceof ParametersWithIV)

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        OpenSSLPBEParametersGenerator   pGen = new OpenSSLPBEParametersGenerator();


        pGen.init(PBEParametersGenerator.PKCS5PasswordToBytes(password), salt);


        KeyParameter keyParam;
        keyParam = (KeyParameter) pGen.generateDerivedParameters(keyLength * 8);
        byte[] key = keyParam.getKey();
        if (des2 && key.length >= 24)
        {
            // For DES2, we must copy first 8 bytes into the last 8 bytes.
            System.arraycopy(key, 0, key, 16, 8);

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