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package model.pki.cert;
import model.asn1.ASN1Object;
import model.asn1.Bool;
import model.asn1.ObjectIdentifier;
import model.asn1.OctetString;
import model.asn1.exceptions.ParseException;
import model.asn1.parsing.BytesReader;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.Collection;
import java.util.stream.Stream;
import static org.junit.jupiter.api.Assertions.*;
public class ExtensionsTest {
@Test
void testConstructor() {
final Extension ext1 = new Extension(ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null, ObjectIdentifier.OID_BASIC_CONSTRAINTS),
new Bool(Bool.TAG, null, true),
new OctetString(OctetString.TAG, null, new Byte[]{0x30, 0x03, 0x01, 0x01, -1}));
final Extension ext2 = new Extension(ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null, ObjectIdentifier.OID_SUBJECT_KEY_IDENTIFIER),
null,
new OctetString(OctetString.TAG, null, new Byte[]{
0x04, 0x14, -79, -62, -89, -127, 0x63, 0x66,
0x4B, 0x72, 0x0A, -35, -3, 0x7D, 0x20, 0x29,
-67, 0x6B, 0x49, 0x09, 0x61, -64
}));
final Extensions extensions = new Extensions(ASN1Object.TAG_SEQUENCE, null, new Extension[]{
ext1, ext2
});
assertEquals(2, extensions.getExtensions().length);
assertArrayEquals(ObjectIdentifier.OID_BASIC_CONSTRAINTS, extensions.getExtensions()[0].getExtnId().getInts());
assertArrayEquals(ObjectIdentifier.OID_SUBJECT_KEY_IDENTIFIER, extensions.getExtensions()[1].getExtnId().getInts());
}
@Test
void testParse() throws ParseException {
final Extensions parsed = new Extensions(new BytesReader(
Stream.of(Arrays.asList(new Byte[]{0x30,
(byte) (ExtensionTest.EXT_KEY_USAGE.length + ExtensionTest.EXT_SUBJECT_KEY_ID.length)}),
Arrays.asList(ExtensionTest.EXT_KEY_USAGE),
Arrays.asList(ExtensionTest.EXT_SUBJECT_KEY_ID))
.flatMap(Collection::stream)
.toArray(Byte[]::new)), false);
assertArrayEquals(ObjectIdentifier.OID_KEY_USAGE, parsed.getExtensions()[0].getExtnId().getInts());
assertArrayEquals(ObjectIdentifier.OID_SUBJECT_KEY_IDENTIFIER, parsed.getExtensions()[1].getExtnId().getInts());
}
@Test
void testParseFail() {
assertThrows(ParseException.class, () -> {
new Extensions(new BytesReader(new Byte[]{0x30, 0x1}), false);
});
assertThrows(ParseException.class, () -> {
Byte[] bytes =
Stream.of(Arrays.asList(new Byte[]{0x30,
(byte) (ExtensionTest.EXT_KEY_USAGE.length + ExtensionTest.EXT_SUBJECT_KEY_ID.length)}),
Arrays.asList(ExtensionTest.EXT_KEY_USAGE),
Arrays.asList(ExtensionTest.EXT_SUBJECT_KEY_ID))
.flatMap(Collection::stream)
.toArray(Byte[]::new);
assertEquals((byte) 0x30, bytes[2]);
bytes[2] = 0x31;
new Extensions(new BytesReader(bytes), false);
});
assertThrows(ParseException.class, () -> {
Byte[] bytes =
Stream.of(Arrays.asList(new Byte[]{0x30,
(byte) (ExtensionTest.EXT_KEY_USAGE.length + ExtensionTest.EXT_SUBJECT_KEY_ID.length)}),
Arrays.asList(ExtensionTest.EXT_KEY_USAGE),
Arrays.asList(ExtensionTest.EXT_SUBJECT_KEY_ID))
.flatMap(Collection::stream)
.toArray(Byte[]::new);
assertEquals((byte) 0x30, bytes[2 + ExtensionTest.EXT_KEY_USAGE.length]);
bytes[2 + ExtensionTest.EXT_KEY_USAGE.length] = 0x31;
new Extensions(new BytesReader(bytes), false);
});
}
@Test
void testEncode() {
assertArrayEquals(
Stream.of(Arrays.asList(new Byte[]{0x30,
(byte) (ExtensionTest.EXT_KEY_USAGE.length +
ExtensionTest.EXT_SUBJECT_KEY_ID.length)}),
Arrays.asList(ExtensionTest.EXT_SUBJECT_KEY_ID),
Arrays.asList(ExtensionTest.EXT_KEY_USAGE))
.flatMap(Collection::stream)
.toArray(Byte[]::new),
new Extensions(ASN1Object.TAG_SEQUENCE, null, new Extension[]{
new Extension(ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null, ObjectIdentifier.OID_SUBJECT_KEY_IDENTIFIER),
null,
new OctetString(OctetString.TAG, null, new Byte[]{
0x04, 0x14, -79, -62, -89, -127, 0x63, 0x66,
0x4B, 0x72, 0x0A, -35, -3, 0x7D, 0x20, 0x29,
-67, 0x6B, 0x49, 0x09, 0x61, -64
})),
new Extension(ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null, ObjectIdentifier.OID_KEY_USAGE),
new Bool(Bool.TAG, null, true),
new OctetString(OctetString.TAG, null, new Byte[]{
0x03, 0x02, 0x01, -122
}))
}).encodeDER());
}
}
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