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c9928348ef
Note that this is only the generator part of Fortuna, not the accumulator. The generator requires a seed, which is provided by a platform-specific implementation of SeedProvider. On Linux the implementation reads the seed from /dev/urandom.
27 lines
945 B
Java
27 lines
945 B
Java
package org.briarproject.crypto;
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import static org.junit.Assert.assertArrayEquals;
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import org.briarproject.BriarTestCase;
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import org.briarproject.TestSeedProvider;
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import org.briarproject.api.crypto.CryptoComponent;
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import org.briarproject.api.crypto.KeyPair;
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import org.briarproject.api.crypto.SeedProvider;
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import org.junit.Test;
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public class KeyAgreementTest extends BriarTestCase {
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@Test
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public void testKeyAgreement() throws Exception {
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SeedProvider seedProvider = new TestSeedProvider();
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CryptoComponent crypto = new CryptoComponentImpl(seedProvider);
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KeyPair aPair = crypto.generateAgreementKeyPair();
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byte[] aPub = aPair.getPublic().getEncoded();
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KeyPair bPair = crypto.generateAgreementKeyPair();
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byte[] bPub = bPair.getPublic().getEncoded();
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byte[] aSecret = crypto.deriveMasterSecret(aPub, bPair, true);
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byte[] bSecret = crypto.deriveMasterSecret(bPub, aPair, false);
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assertArrayEquals(aSecret, bSecret);
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}
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}
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