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package model.csr;
import model.TestConstants;
import model.asn1.*;
import model.asn1.exceptions.ParseException;
import model.asn1.parsing.BytesReader;
import model.pki.AlgorithmIdentifier;
import model.pki.SubjectPublicKeyInfo;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.Collection;
import java.util.stream.Stream;
import static model.TestConstants.mutate;
import static org.junit.jupiter.api.Assertions.*;
public class CertificationRequestTest {
private static final Byte[] CSR_1 = Stream.of(
// SEQUENCE (CertificationRequest)
Arrays.asList(new Byte[]{ 0x30, -126, 0x02, -102 }),
// SEQUENCE (CertificationRequestInfo)
Arrays.asList(CertificationRequestInfoTest.CSR_1),
// SEQUENCE (AlgorithmIdentifier)
Arrays.asList(new Byte[]{
0x30, 0x0D, 0x06, 0x09, 0x2A, -122, 0x48, -122,
-9, 0x0D, 0x01, 0x01, 0x0B, 0x05, 0x00
}),
// BIT STRING (Signature)
Arrays.asList(new Byte[]{
0x03, -127, -127,
0x00, 0x6F, 0x61, 0x5C, -25, 0x29, 0x48, 0x3F,
-78, 0x1B, -117, 0x2C, -93, -114, 0x7D, -77,
0x62, 0x14, 0x21, 0x4B, -99, 0x74, -95, -93,
0x16, 0x38, 0x31, 0x40, 0x5E, 0x72, -77, -55,
0x6D, -69, 0x19, -108, 0x52, -95, 0x19, -121,
-81, -71, 0x74, -123, 0x6B, -27, -20, 0x4C,
-126, 0x42, -89, 0x66, 0x6A, 0x52, -34, 0x62,
0x72, 0x40, 0x2C, -79, 0x78, -117, -100, -70,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x7E,
})).flatMap(Collection::stream).toArray(Byte[]::new);
@Test
void testConstructor() {
final CertificationRequest request = new CertificationRequest(
ASN1Object.TAG_SEQUENCE, null,
new CertificationRequestInfo(
ASN1Object.TAG_SEQUENCE, null,
new Int(Int.TAG, null, CertificationRequestInfo.VERSION_V1),
TestConstants.NAME_2,
new SubjectPublicKeyInfo(ASN1Object.TAG_SEQUENCE, null,
new AlgorithmIdentifier(ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null,
ObjectIdentifier.OID_SHA256_WITH_RSA_ENCRYPTION),
new Null(Null.TAG, null)),
new BitString(BitString.TAG, null,
0, new Byte[]{ 1, 2, 3, 4, 5 })),
TestConstants.CSR_ATTRS_2),
new AlgorithmIdentifier(ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null,
ObjectIdentifier.OID_SHA256_WITH_RSA_ENCRYPTION),
new Null(Null.TAG, null)),
new BitString(BitString.TAG, null,
0, new Byte[]{ 2, 4, 6, 8, 10 }));
assertEquals(CertificationRequestInfo.VERSION_V1,
request.getCertificationRequestInfo().getVersion().getLong());
assertEquals(3,
request.getCertificationRequestInfo().getSubject().getRdnSequence().length);
assertArrayEquals(ObjectIdentifier.OID_SHA256_WITH_RSA_ENCRYPTION,
request.getSignatureAlgorithm().getType().getInts());
assertArrayEquals(new Byte[]{ 2, 4, 6, 8, 10 },
request.getSignature().getConvertedVal());
}
@Test
void testParse() throws ParseException {
final CertificationRequest parsed =
new CertificationRequest(new BytesReader(CSR_1), false);
assertEquals("CN=MIKU.AD.YUUTA.MOE",
parsed.getCertificationRequestInfo().getSubject().toString());
assertArrayEquals(ObjectIdentifier.OID_SHA256_WITH_RSA_ENCRYPTION,
parsed.getSignatureAlgorithm().getType().getInts());
}
@Test
void testParseFail() throws ParseException {
// Incorrect info tag
assertThrows(ParseException.class, () -> {
new CertificationRequest(new BytesReader(mutate(CSR_1, 4, 0x30, 0x31)), false);
});
// Incorrect algorithm info tag
assertThrows(ParseException.class, () -> {
new CertificationRequest(new BytesReader(mutate(CSR_1, 523, 0x30, 0x31)), false);
});
// Incorrect signature tag
assertThrows(ParseException.class, () -> {
new CertificationRequest(new BytesReader(mutate(CSR_1, 538, 0x3, 0x31)), false);
});
}
@Test
void testEncode() throws ParseException {
assertArrayEquals(CSR_1, new CertificationRequest(new BytesReader(CSR_1), false).encodeDER());
}
}
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