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Pad long KeyIDs with zeros to 16 chars

This commit is contained in:
Paul Schaub 2023-09-04 14:17:53 +02:00
parent 9ac681d88c
commit 41dfe71994
Signed by: vanitasvitae
GPG Key ID: 62BEE9264BF17311
2 changed files with 42 additions and 1 deletions
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2
pgpainless-core/src/main/java/org/pgpainless/key/util/KeyIdUtil.java
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@ -32,6 +32,6 @@ public final class KeyIdUtil {
}
public static String formatKeyId(long keyId) {
return Long.toHexString(keyId).toUpperCase();
return String.format("%016X", keyId);
}
}

41
pgpainless-core/src/test/java/org/pgpainless/key/util/KeyIdUtilTest.java Normal file
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@ -0,0 +1,41 @@
// SPDX-FileCopyrightText: 2023 Paul Schaub <vanitasvitae@fsfe.org>
//
// SPDX-License-Identifier: Apache-2.0
package org.pgpainless.key.util;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class KeyIdUtilTest {
@Test
public void testParsing() {
String longKeyId = "b1bd1f049ec87f3d"; // we parse from lowercase, but formatting will produce uppercase
long asLong = KeyIdUtil.fromLongKeyId(longKeyId);
assertEquals(-5639317053693722819L, asLong);
assertEquals(longKeyId.toUpperCase(), KeyIdUtil.formatKeyId(-5639317053693722819L));
}
@Test
public void testParsingLowerAndUppercase() {
long fromLower = KeyIdUtil.fromLongKeyId("f5ffdf6d71dd5789");
assertEquals(-720611754201229431L, fromLower);
long fromUpper = KeyIdUtil.fromLongKeyId("F5FFDF6D71DD5789");
assertEquals(-720611754201229431L, fromUpper);
}
@Test
public void formatLowerAsUpper() {
assertEquals("5F04ACF44FD822B1", KeyIdUtil.formatKeyId(KeyIdUtil.fromLongKeyId("5f04acf44fd822b1")));
}
@Test
public void testParsing0() {
long asLong = 0L;
String formatted = KeyIdUtil.formatKeyId(asLong);
assertEquals("0000000000000000", formatted);
assertEquals(asLong, KeyIdUtil.fromLongKeyId("0000000000000000"));
}
}