luni/src/test/java/org/apache/harmony/security/tests/AlgNameMapperTest.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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.apache.harmony.security.tests;

import org.apache.harmony.security.utils.AlgNameMapper;

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;
import java.util.Locale;

import junit.framework.TestCase;

public class AlgNameMapperTest extends TestCase {
    private final String[][] HARDCODED_ALIASES = {
            {"1.2.840.10040.4.1",       "DSA"},
            {"1.2.840.10040.4.3",       "SHA1withDSA"},
            {"1.2.840.113549.1.1.1",    "RSA"},
            {"1.2.840.113549.1.1.4",    "MD5withRSA"},
            {"1.2.840.113549.1.1.5",    "SHA1withRSA"},
            {"1.2.840.113549.1.3.1",    "DiffieHellman"},
            {"1.2.840.113549.1.5.3",    "pbeWithMD5AndDES-CBC"},
            {"1.2.840.113549.1.12.1.3", "pbeWithSHAAnd3-KeyTripleDES-CBC"},
            {"1.2.840.113549.1.12.1.6", "pbeWithSHAAnd40BitRC2-CBC"},
            {"1.2.840.113549.3.2",      "RC2-CBC"},
            {"1.2.840.113549.3.3",      "RC2-EBC"},
            {"1.2.840.113549.3.4",      "RC4"},
            {"1.2.840.113549.3.5",      "RC4WithMAC"},
            {"1.2.840.113549.3.6",      "DESx-CBC"},
            {"1.2.840.113549.3.7",      "TripleDES-CBC"},
            {"1.2.840.113549.3.8",      "rc5CBC"},
            {"1.2.840.113549.3.9",      "RC5-CBC"},
            {"1.2.840.113549.3.10",     "DESCDMF"},
            {"2.23.42.9.11.4.1",        "ECDSA"},
    };

    public void testHardcodedAliases() throws Exception {
        final ByteArrayOutputStream errBuffer = new ByteArrayOutputStream();
        PrintStream out = new PrintStream(errBuffer);

        for (int i = 0; i < HARDCODED_ALIASES.length; i++) {
            try {
                assertEquals(HARDCODED_ALIASES[i][1].toUpperCase(Locale.US),
                        AlgNameMapper.map2AlgName(HARDCODED_ALIASES[i][0]).toUpperCase(Locale.US));

                assertEquals(HARDCODED_ALIASES[i][0],
                        AlgNameMapper.map2OID(HARDCODED_ALIASES[i][1]));

                assertEquals(HARDCODED_ALIASES[i][1].toUpperCase(Locale.US),
                        AlgNameMapper.getStandardName(HARDCODED_ALIASES[i][1]
                                .toUpperCase(Locale.US)).toUpperCase(Locale.US));

                assertTrue(AlgNameMapper.isOID(HARDCODED_ALIASES[i][0]));
            } catch (Throwable e) {
                out.append("Error encountered checking " + HARDCODED_ALIASES[i][1] + "\n");
                e.printStackTrace(out);
            }
        }

        out.flush();
        if (errBuffer.size() > 0) {
            throw new Exception("Errors encountered:\n\n" + errBuffer.toString() + "\n\n");
        }
    }

    private final String[][] NON_HARDCODED_ALIASES = {
            {"2.16.840.1.101.3.4.2.3", "SHA512"}, // This isn't currently hardcoded in AlgNameMapper
            {"1.2.840.10045.3.1.7", "prime256v1"}, // No provider provides EC curves
    };

    public void testNon_Hardcoded_Aliases_Exist() throws Exception {
        final ByteArrayOutputStream errBuffer = new ByteArrayOutputStream();
        PrintStream out = new PrintStream(errBuffer);

        for (int i = 0; i < NON_HARDCODED_ALIASES.length; i++) {
            try {
                String algName = AlgNameMapper.map2AlgName(NON_HARDCODED_ALIASES[i][0]);
                assertNotNull(algName);
                assertEquals(NON_HARDCODED_ALIASES[i][1].toUpperCase(Locale.US),
                        algName.toUpperCase(Locale.US));

                String oid = AlgNameMapper.map2OID(algName);
                assertNotNull(oid);
                assertEquals(NON_HARDCODED_ALIASES[i][0], oid);
            } catch (Throwable e) {
                out.append("Error encountered checking " + HARDCODED_ALIASES[i][1] + "\n");
                e.printStackTrace(out);
            }
        }

        out.flush();
        if (errBuffer.size() > 0) {
            throw new Exception("Errors encountered:\n\n" + errBuffer.toString() + "\n\n");
        }
    }
}