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package org.xwiki.crypto.internal.asymmetric.generator; |
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import java.security.SecureRandom; |
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import javax.inject.Inject; |
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import javax.inject.Named; |
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import javax.inject.Provider; |
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import javax.inject.Singleton; |
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import org.bouncycastle.crypto.generators.DHParametersGenerator; |
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import org.xwiki.component.annotation.Component; |
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import org.xwiki.crypto.KeyParametersGenerator; |
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import org.xwiki.crypto.params.generator.KeyGenerationParameters; |
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import org.xwiki.crypto.params.generator.KeyParametersGenerationParameters; |
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import org.xwiki.crypto.params.generator.asymmetric.DHKeyGenerationParameters; |
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import org.xwiki.crypto.params.generator.asymmetric.DHKeyParametersGenerationParameters; |
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import org.xwiki.crypto.params.generator.asymmetric.DHKeyValidationParameters; |
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@version |
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@since |
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@Component |
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@Singleton |
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@Named("DH") |
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| 0% |
Uncovered Elements: 16 (16) |
Complexity: 5 |
Complexity Density: 0.56 |
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public class BcDHKeyParameterGenerator implements KeyParametersGenerator |
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{ |
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@Inject |
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private Provider<SecureRandom> random; |
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| 0% |
Uncovered Elements: 1 (1) |
Complexity: 1 |
Complexity Density: 1 |
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@Override... |
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public KeyGenerationParameters generate() |
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{ |
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return generate(new DHKeyParametersGenerationParameters()); |
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} |
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| 0% |
Uncovered Elements: 9 (9) |
Complexity: 3 |
Complexity Density: 0.6 |
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@Override... |
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public KeyGenerationParameters generate(KeyParametersGenerationParameters parameters) |
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{ |
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if (!(parameters instanceof DHKeyParametersGenerationParameters)) { |
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throw new IllegalArgumentException("Invalid parameters for DH key parameters generator: " |
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+ parameters.getClass().getName()); |
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} |
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org.bouncycastle.crypto.params.DHParameters dhParams = |
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getDhParameters(this.random.get(), (DHKeyParametersGenerationParameters) parameters); |
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org.bouncycastle.crypto.params.DHValidationParameters dhValidParams = dhParams.getValidationParameters(); |
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return new DHKeyGenerationParameters( |
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dhParams.getP(), dhParams.getG(), dhParams.getQ(), |
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dhParams.getM() / 8, dhParams.getL() / 8, |
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dhParams.getJ(), |
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((dhValidParams != null) |
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? new DHKeyValidationParameters(dhValidParams.getSeed(), dhValidParams.getCounter()) |
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: null) |
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); |
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} |
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@param |
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@return |
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| 0% |
Uncovered Elements: 3 (3) |
Complexity: 1 |
Complexity Density: 0.33 |
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static org.bouncycastle.crypto.params.DHParameters getDhParameters(SecureRandom random,... |
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DHKeyParametersGenerationParameters params) |
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{ |
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DHParametersGenerator paramGen = new DHParametersGenerator(); |
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paramGen.init(params.getStrength() * 8, params.getCertainty(), random); |
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return paramGen.generateParameters(); |
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} |
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} |