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Code Issues Releases Wiki Activity

Add SymAlgoNegotiatorTest

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This commit is contained in:
Paul Schaub 2021-07-01 19:24:17 +02:00
parent 3cb014e3f6
commit 30740aba4f
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
1 changed files with 79 additions and 0 deletions
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pgpainless-core/src/test/java/org/pgpainless/algorithm/SymmetricKeyAlgorithmNegotiatorTest.java Normal file
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/*
* Copyright 2021 Paul Schaub.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.pgpainless.algorithm;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import org.junit.jupiter.api.Test;
import org.pgpainless.algorithm.negotiation.SymmetricKeyAlgorithmNegotiator;
import org.pgpainless.policy.Policy;
public class SymmetricKeyAlgorithmNegotiatorTest {
private final SymmetricKeyAlgorithmNegotiator byPopularity = SymmetricKeyAlgorithmNegotiator.byPopularity();
private final Policy.SymmetricKeyAlgorithmPolicy policy = new Policy.SymmetricKeyAlgorithmPolicy(
SymmetricKeyAlgorithm.CAMELLIA_256,
Arrays.asList(SymmetricKeyAlgorithm.AES_256, SymmetricKeyAlgorithm.AES_192, SymmetricKeyAlgorithm.AES_128, SymmetricKeyAlgorithm.CAMELLIA_256));
@Test
public void byPopularityReturnsOverrideIfNotNull() {
assertEquals(SymmetricKeyAlgorithm.AES_192, byPopularity.negotiate(
policy,
// override is not null
SymmetricKeyAlgorithm.AES_192,
Collections.emptyList()));
}
@Test
public void byPopularityThrowsIAEForUnencryptedOverride() {
assertThrows(IllegalArgumentException.class, () ->
byPopularity.negotiate(
policy,
// Unencrypted is not allowed
SymmetricKeyAlgorithm.NULL,
Collections.emptyList()));
}
@Test
public void byPopularityChoosesMostPopularAlgorithm() {
List<Set<SymmetricKeyAlgorithm>> preferences = new ArrayList<>();
preferences.add(new LinkedHashSet<SymmetricKeyAlgorithm>(){{
add(SymmetricKeyAlgorithm.AES_128);
add(SymmetricKeyAlgorithm.AES_192); // <-
add(SymmetricKeyAlgorithm.AES_256);
}});
preferences.add(new LinkedHashSet<SymmetricKeyAlgorithm>(){{
add(SymmetricKeyAlgorithm.AES_128);
add(SymmetricKeyAlgorithm.AES_192); // <-
}});
preferences.add(new LinkedHashSet<SymmetricKeyAlgorithm>(){{
add(SymmetricKeyAlgorithm.AES_192); // <-
add(SymmetricKeyAlgorithm.CAMELLIA_256);
}});
// AES 192 is most popular
assertEquals(SymmetricKeyAlgorithm.AES_192, byPopularity.negotiate(policy, null, preferences));
}
}