Implement data structures from X.680, X.501, X.509, and PKCS#10, with X.690 encoding / decoding support

The implementation took four days, and it is still a little bit rough. Updated version should arrive soon.

Signed-off-by: Yuuta Liang <yuutaw@students.cs.ubc.ca>

1 files changed, 174 insertions, 0 deletions

diff --git a/src/test/model/csr/CertificationRequestInfoTest.java b/src/test/model/csr/CertificationRequestInfoTest.java
new file mode 100644
index 0000000..fe2633f
--- /dev/null
+++ b/src/test/model/csr/CertificationRequestInfoTest.java
@@ -0,0 +1,174 @@
+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 static model.TestConstants.mutate;
+import static org.junit.jupiter.api.Assertions.*;
+
+public class CertificationRequestInfoTest {
+    static final Byte[] CSR_1 = new Byte[] {
+            0x30, -126, 0x02, 0x03, // SEQUENCE CertificationRequestInfo
+            0x02, 0x01, 0x00, // Version
+            0x30, 0x1c, // SEQUENCE Subject
+            0x31, 0x1a, // RDN
+            0x30, 0x18, // AttributeTypeAndValue
+            0x06, 0x03, 0x55, 0x04, 0x03, // OID (CN)
+            0x0c, 0x11, 0x4d, 0x49, 0x4b, 0x55, 0x2e, 0x41, // PrintableString (MIKU.AD.YUUTA.MOE)
+            0x44, 0x2e, 0x59, 0x55, 0x55, 0x54, 0x41, 0x2e,
+            0x4d, 0x4f, 0x45,
+            0x30, -127,  -97, // SEQUENCE SubjectPublicKeyInfo
+            0x30, 0x0d, // SEQUENCE AlgorithmIdentifier
+            0x06, 0x09, 0x2a, -122, 0x48, -122,   -9, 0x0d, // OID (rsaEncryption)
+            0x01, 0x01, 0x01,
+            0x05, 0x00, // Null (Parameter)
+            0x03, -127, -115, 0x00, 0x30, -127, -119, 0x02, // BIT STRING (subjectPublicKey)
+            -127, -127, 0x00,  -67,   -1, 0x4e, 0x6d,  -22,
+            0x62, 0x6a, 0x11, -120, 0x77, 0x0a,  -92, 0x32,
+            -124,  -37, 0x22, 0x2f, 0x3d, 0x5d, 0x2a, 0x63,
+             -71, -109, 0x11,  -50,  -92, 0x4f, -119, 0x3b,
+            0x14, 0x3b,  -54, 0x3c, -106,  -42, 0x11, 0x42,
+            0x78, -110, 0x68, -100,  -25,  -25,  -50, 0x75,
+            -101, 0x21, 0x41,  -34,  -31,  -85,  -13, 0x1e,
+            0x51,  -81, 0x25, 0x4f,   -1, 0x56, 0x77, 0x5e,
+             -30, 0x27, -104, 0x34, 0x67,  -28,  -56, 0x55,
+            0x6a, 0x3c, 0x6f,  -38,  -85,  -63, 0x5f, 0x16,
+            0x7a,  -93,  -19,  -35, 0x7f, 0x35, 0x0f,  -47,
+              -7,  -22,  -12,  -24,  -48, 0x25, 0x6d, -114,
+            0x66, 0x1a, 0x53,  -77, 0x67, 0x32,  -69,  -39,
+            0x57,  -42,  -65,  -13, 0x5f, 0x6f, 0x53, 0x6d,
+            0x62,  -95, 0x42, 0x12, 0x7b, 0x13, 0x4f, 0x1a,
+             -26, 0x00,  -72,  -32, 0x2b,  -83, 0x3c, 0x35,
+            -103, 0x18, 0x51, 0x02, 0x03, 0x01, 0x00, 0x01,
+             -96, -126, 0x01, 0x3c, // SEQUENCE (attributes)
+            0x30, 0x1c, 0x06, 0x0a, // SEQUENCE (attribute)
+            0x2b, 0x06, 0x01, 0x04, 0x01, -126, 0x37, 0x0d,
+            0x02, 0x03, 0x31, 0x0e, 0x16, 0x0c, 0x31, 0x30,
+            0x2e, 0x30, 0x2e, 0x31, 0x39, 0x30, 0x34, 0x35,
+            0x2e, 0x32,
+            0x30, 0x42, 0x06, // SEQUENCE (attribute)
+            0x09, 0x2b, 0x06, 0x01, 0x04, 0x01, -126, 0x37,
+            0x15, 0x14, 0x31, 0x35, 0x30, 0x33, 0x02, 0x01,
+            0x05, 0x0c, 0x11, 0x4d, 0x49, 0x4b, 0x55, 0x2e,
+            0x41, 0x44, 0x2e, 0x59, 0x55, 0x55, 0x54, 0x41,
+            0x2e, 0x4d, 0x4f, 0x45, 0x0c, 0x12, 0x4d, 0x49,
+            0x4b, 0x55, 0x5c, 0x41, 0x64, 0x6d, 0x69, 0x6e,
+            0x69, 0x73, 0x74, 0x72, 0x61, 0x74, 0x6f, 0x72,
+            0x0c, 0x07, 0x4d, 0x4d, 0x43, 0x2e, 0x45, 0x58,
+            0x45,
+            0x30, 0x66, // SEQUENCE (attribute)
+            0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, -126,
+            0x37, 0x0d, 0x02, 0x02, 0x31, 0x58, 0x30, 0x56,
+            0x02, 0x01, 0x00, 0x1e, 0x4e, 0x00, 0x4d, 0x00,
+            0x69, 0x00, 0x63, 0x00, 0x72, 0x00, 0x6f, 0x00,
+            0x73, 0x00, 0x6f, 0x00, 0x66, 0x00, 0x74, 0x00,
+            0x20, 0x00, 0x53, 0x00, 0x6f, 0x00, 0x66, 0x00,
+            0x74, 0x00, 0x77, 0x00, 0x61, 0x00, 0x72, 0x00,
+            0x65, 0x00, 0x20, 0x00, 0x4b, 0x00, 0x65, 0x00,
+            0x79, 0x00, 0x20, 0x00, 0x53, 0x00, 0x74, 0x00,
+            0x6f, 0x00, 0x72, 0x00, 0x61, 0x00, 0x67, 0x00,
+            0x65, 0x00, 0x20, 0x00, 0x50, 0x00, 0x72, 0x00,
+            0x6f, 0x00, 0x76, 0x00, 0x69, 0x00, 0x64, 0x00,
+            0x65, 0x00, 0x72, 0x03, 0x01, 0x00,
+            0x30, 0x70, 0x06, 0x09, // SEQUENCE (attribute)
+            0x2a, -122, 0x48, -122,   -9, 0x0d, 0x01, 0x09,
+            0x0e, 0x31, 0x63, 0x30, 0x61, 0x30, 0x0e, 0x06,
+            0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01,   -1, 0x04,
+            0x04, 0x03, 0x02, 0x05,  -96, 0x30, 0x13, 0x06,
+            0x03, 0x55, 0x1d, 0x25, 0x04, 0x0c, 0x30, 0x0a,
+            0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07,
+            0x03, 0x01, 0x30, 0x1b, 0x06, 0x09, 0x2b, 0x06,
+            0x01, 0x04, 0x01, -126, 0x37, 0x15, 0x0a, 0x04,
+            0x0e, 0x30, 0x0c, 0x30, 0x0a, 0x06, 0x08, 0x2b,
+            0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x30,
+            0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16,
+            0x04, 0x14,  -15, 0x3e, -110,  -16, 0x4d, 0x1b,
+             -47, 0x6e, 0x53, 0x7f, -102, 0x1d, 0x19,  -75,
+            0x5e,  -22, 0x64, 0x7f, 0x1f, -110,
+    };
+
+    @Test
+    void testConstructor() {
+        final CertificationRequestInfo info = 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);
+        assertEquals(CertificationRequestInfo.VERSION_V1, info.getVersion().getLong());
+        assertEquals(3, info.getSubject().getRdnSequence().length);
+        assertArrayEquals(ObjectIdentifier.OID_SHA256_WITH_RSA_ENCRYPTION,
+                info.getSubjectPKInfo().getAlgorithm().getType().getInts());
+        assertEquals(2, info.getAttributes().getArray().length);
+    }
+
+    @Test
+    void testParse() throws ParseException {
+        final CertificationRequestInfo parsed =
+                new CertificationRequestInfo(new BytesReader(CSR_1), false);
+        assertEquals("CN=MIKU.AD.YUUTA.MOE", parsed.getSubject().toString());
+        assertArrayEquals(ObjectIdentifier.OID_RSA_ENCRYPTION,
+                parsed.getSubjectPKInfo().getAlgorithm().getType().getInts());
+        assertEquals(4, parsed.getAttributes().getArray().length);
+        assertEquals(1, parsed.getAttributes().getArray()[3].getValues().getArray().length);
+    }
+
+    @Test
+    void testParseFail() {
+        // No version
+        assertThrows(ParseException.class, () -> {
+            new CertificationRequestInfo(new BytesReader(new Byte[]{
+                    0x30, 0
+            }), false);
+        });
+        // Incorrect version tag
+        assertThrows(ParseException.class, () -> {
+            new CertificationRequestInfo(new BytesReader(mutate(CSR_1, 4, (byte) Int.TAG.getNumber(), 0x3)),
+                    false);
+        });
+        // Incorrect version
+        assertThrows(ParseException.class, () -> {
+            new CertificationRequestInfo(new BytesReader(mutate(CSR_1, 6, CertificationRequestInfo.VERSION_V1, 1)),
+                    false);
+        });
+        // No subject
+        assertThrows(ParseException.class, () -> {
+            Byte[] test = new Byte[5];
+            test[0] = 0x30;
+            test[1] = 3;
+            System.arraycopy(CSR_1, 4, test, 2, 3);
+            new CertificationRequestInfo(new BytesReader(test), false);
+        });
+        // Incorrect subject tag
+        assertThrows(ParseException.class, () -> {
+            new CertificationRequestInfo(new BytesReader(mutate(CSR_1, 7, 0x30, 0x31)),
+                    false);
+        });
+        // Incorrect subject pk info tag
+        assertThrows(ParseException.class, () -> {
+            new CertificationRequestInfo(new BytesReader(mutate(CSR_1, 37, 0x30, 0x31)),
+                    false);
+        });
+        // Incorrect attributes tag
+        assertThrows(ParseException.class, () -> {
+            new CertificationRequestInfo(new BytesReader(mutate(CSR_1, 199, -96, 0x31)),
+                    false);
+        });
+    }
+
+    @Test
+    void testEncode() throws ParseException {
+        assertArrayEquals(CSR_1, new CertificationRequestInfo(new BytesReader(CSR_1), false).encodeDER());
+    }
+}