sop-java/external-sop/src/test/java/sop/external/ExternalArmorDearmorRoundTripTest.java

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// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package sop.external;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.condition.EnabledIf;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
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import static org.junit.jupiter.api.Assertions.assertArrayEquals;
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import static org.junit.jupiter.api.Assertions.assertFalse;
import static sop.external.JUtils.arrayStartsWith;
import static sop.external.JUtils.assertArrayStartsWith;
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import static sop.external.JUtils.assertAsciiArmorEquals;
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@EnabledIf("sop.external.AbstractExternalSOPTest#isExternalSopInstalled")
public class ExternalArmorDearmorRoundTripTest extends AbstractExternalSOPTest {
private static final String BEGIN_PGP_PRIVATE_KEY_BLOCK = "-----BEGIN PGP PRIVATE KEY BLOCK-----\n";
private static final byte[] BEGIN_PGP_PRIVATE_KEY_BLOCK_BYTES = BEGIN_PGP_PRIVATE_KEY_BLOCK.getBytes(StandardCharsets.UTF_8);
private static final String BEGIN_PGP_PUBLIC_KEY_BLOCK = "-----BEGIN PGP PUBLIC KEY BLOCK-----\n";
private static final byte[] BEGIN_PGP_PUBLIC_KEY_BLOCK_BYTES = BEGIN_PGP_PUBLIC_KEY_BLOCK.getBytes(StandardCharsets.UTF_8);
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private static final String BEGIN_PGP_MESSAGE = "-----BEGIN PGP MESSAGE-----\n";
private static final byte[] BEGIN_PGP_MESSAGE_BYTES = BEGIN_PGP_MESSAGE.getBytes(StandardCharsets.UTF_8);
private static final String BEGIN_PGP_SIGNATURE = "-----BEGIN PGP SIGNATURE-----\n";
private static final byte[] BEGIN_PGP_SIGNATURE_BYTES = BEGIN_PGP_SIGNATURE.getBytes(StandardCharsets.UTF_8);
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@Test
public void dearmorArmorAliceKey() throws IOException {
byte[] aliceKey = TestKeys.ALICE_KEY.getBytes(StandardCharsets.UTF_8);
byte[] dearmored = getSop().dearmor()
.data(aliceKey)
.getBytes();
assertFalse(arrayStartsWith(dearmored, BEGIN_PGP_PRIVATE_KEY_BLOCK_BYTES));
byte[] armored = getSop().armor()
.data(dearmored)
.getBytes();
assertArrayStartsWith(armored, BEGIN_PGP_PRIVATE_KEY_BLOCK_BYTES);
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assertAsciiArmorEquals(aliceKey, armored);
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}
@Test
public void dearmorArmorAliceCert() throws IOException {
byte[] aliceCert = TestKeys.ALICE_CERT.getBytes(StandardCharsets.UTF_8);
byte[] dearmored = getSop().dearmor()
.data(aliceCert)
.getBytes();
assertFalse(arrayStartsWith(dearmored, BEGIN_PGP_PUBLIC_KEY_BLOCK_BYTES));
byte[] armored = getSop().armor()
.data(dearmored)
.getBytes();
assertArrayStartsWith(armored, BEGIN_PGP_PUBLIC_KEY_BLOCK_BYTES);
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assertAsciiArmorEquals(aliceCert, armored);
}
@Test
public void dearmorArmorBobKey() throws IOException {
byte[] bobKey = TestKeys.BOB_KEY.getBytes(StandardCharsets.UTF_8);
byte[] dearmored = getSop().dearmor()
.data(bobKey)
.getBytes();
assertFalse(arrayStartsWith(dearmored, BEGIN_PGP_PRIVATE_KEY_BLOCK_BYTES));
byte[] armored = getSop().armor()
.data(dearmored)
.getBytes();
assertArrayStartsWith(armored, BEGIN_PGP_PRIVATE_KEY_BLOCK_BYTES);
assertAsciiArmorEquals(bobKey, armored);
}
@Test
public void dearmorArmorBobCert() throws IOException {
byte[] bobCert = TestKeys.BOB_CERT.getBytes(StandardCharsets.UTF_8);
byte[] dearmored = getSop().dearmor()
.data(bobCert)
.getBytes();
assertFalse(arrayStartsWith(dearmored, BEGIN_PGP_PUBLIC_KEY_BLOCK_BYTES));
byte[] armored = getSop().armor()
.data(dearmored)
.getBytes();
assertArrayStartsWith(armored, BEGIN_PGP_PUBLIC_KEY_BLOCK_BYTES);
assertAsciiArmorEquals(bobCert, armored);
}
@Test
public void dearmorArmorCarolKey() throws IOException {
byte[] carolKey = TestKeys.CAROL_KEY.getBytes(StandardCharsets.UTF_8);
byte[] dearmored = getSop().dearmor()
.data(carolKey)
.getBytes();
assertFalse(arrayStartsWith(dearmored, BEGIN_PGP_PRIVATE_KEY_BLOCK_BYTES));
byte[] armored = getSop().armor()
.data(dearmored)
.getBytes();
assertArrayStartsWith(armored, BEGIN_PGP_PRIVATE_KEY_BLOCK_BYTES);
assertAsciiArmorEquals(carolKey, armored);
}
@Test
public void dearmorArmorCarolCert() throws IOException {
byte[] carolCert = TestKeys.CAROL_CERT.getBytes(StandardCharsets.UTF_8);
byte[] dearmored = getSop().dearmor()
.data(carolCert)
.getBytes();
assertFalse(arrayStartsWith(dearmored, BEGIN_PGP_PUBLIC_KEY_BLOCK_BYTES));
byte[] armored = getSop().armor()
.data(dearmored)
.getBytes();
assertArrayStartsWith(armored, BEGIN_PGP_PUBLIC_KEY_BLOCK_BYTES);
assertAsciiArmorEquals(carolCert, armored);
}
@Test
public void dearmorArmorMessage() throws IOException {
ignoreIf("sqop", Is.leq, "0.26.1"); // falsely reports Invalid Data Type
byte[] message = ("-----BEGIN PGP MESSAGE-----\n" +
"\n" +
"wV4DR2b2udXyHrYSAQdAMZy9Iqb1IxszjI3v+TsfK//0lnJ9PKHDqVAB5ohp+RMw\n" +
"8fmuL3phS9uISFT/DrizC8ALJhMqw5R+lLB/RvTTA/qS6tN5dRyL+YLFU3/N0CRF\n" +
"0j8BtQEsMmRo60LzUq/OBI0dFjwFq1efpfOGkpRYkuIzndCjBEgnLUkrHzUc1uD9\n" +
"CePQFpprprnGEzpE3flQLUc=\n" +
"=ZiFR\n" +
"-----END PGP MESSAGE-----\n").getBytes(StandardCharsets.UTF_8);
byte[] dearmored = getSop().dearmor()
.data(message)
.getBytes();
assertFalse(arrayStartsWith(dearmored, BEGIN_PGP_MESSAGE_BYTES));
byte[] armored = getSop().armor()
.data(dearmored)
.getBytes();
assertArrayStartsWith(armored, BEGIN_PGP_MESSAGE_BYTES);
assertAsciiArmorEquals(message, armored);
}
@Test
public void dearmorArmorSignature() throws IOException {
byte[] signature = ("-----BEGIN PGP SIGNATURE-----\n" +
"\n" +
"wr0EABYKAG8FgmPBdRAJEPIxVQxPR+OORxQAAAAAAB4AIHNhbHRAbm90YXRpb25z\n" +
"LnNlcXVvaWEtcGdwLm9yZ2un17fF3C46Adgzp0mU4RG8Txy/T/zOBcBw/NYaLGrQ\n" +
"FiEE64W7X6M6deFelE5j8jFVDE9H444AAMiEAP9LBQWLo4oP5IrFZPuSUQSPsUxB\n" +
"c+Qu1raXDKzS/8Q9IAD+LnHIjRHcqNPobNHXF/saXIYXeZR+LJKszTJozzwqdQE=\n" +
"=GHvQ\n" +
"-----END PGP SIGNATURE-----\n").getBytes(StandardCharsets.UTF_8);
byte[] dearmored = getSop().dearmor()
.data(signature)
.getBytes();
assertFalse(arrayStartsWith(dearmored, BEGIN_PGP_SIGNATURE_BYTES));
byte[] armored = getSop().armor()
.data(dearmored)
.getBytes();
assertArrayStartsWith(armored, BEGIN_PGP_SIGNATURE_BYTES);
assertAsciiArmorEquals(signature, armored);
}
@Test
public void testDearmoringTwiceIsIdempotent() throws IOException {
ignoreIf("sqop", Is.eq, "0.27.2"); // IO error because: EOF
byte[] dearmored = getSop().dearmor()
.data(TestKeys.ALICE_KEY.getBytes(StandardCharsets.UTF_8))
.getBytes();
byte[] dearmoredAgain = getSop().dearmor()
.data(dearmored)
.getBytes();
assertArrayEquals(dearmored, dearmoredAgain);
}
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@Test
public void testArmoringTwiceIsIdempotent() throws IOException {
byte[] armored = ("-----BEGIN PGP SIGNATURE-----\n" +
"\n" +
"wr0EABYKAG8FgmPBdRAJEPIxVQxPR+OORxQAAAAAAB4AIHNhbHRAbm90YXRpb25z\n" +
"LnNlcXVvaWEtcGdwLm9yZ2un17fF3C46Adgzp0mU4RG8Txy/T/zOBcBw/NYaLGrQ\n" +
"FiEE64W7X6M6deFelE5j8jFVDE9H444AAMiEAP9LBQWLo4oP5IrFZPuSUQSPsUxB\n" +
"c+Qu1raXDKzS/8Q9IAD+LnHIjRHcqNPobNHXF/saXIYXeZR+LJKszTJozzwqdQE=\n" +
"=GHvQ\n" +
"-----END PGP SIGNATURE-----\n").getBytes(StandardCharsets.UTF_8);
byte[] armoredAgain = getSop().armor()
.data(armored)
.getBytes();
assertAsciiArmorEquals(armored, armoredAgain);
}
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}