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, 90 insertions, 0 deletions

diff --git a/src/test/model/x501/AttributeTypeAndValueTest.java b/src/test/model/x501/AttributeTypeAndValueTest.java
new file mode 100644
index 0000000..ea9c17e
--- /dev/null
+++ b/src/test/model/x501/AttributeTypeAndValueTest.java
@@ -0,0 +1,90 @@
+package model.x501;
+
+import model.asn1.*;
+import model.asn1.exceptions.ParseException;
+import model.asn1.parsing.BytesReader;
+import org.junit.jupiter.api.Test;
+
+import static model.asn1.ObjectIdentifier.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+public class AttributeTypeAndValueTest {
+    @Test
+    void testConstructor() throws ParseException {
+        assertArrayEquals(OID_OU,
+                new AttributeTypeAndValue(
+                        ASN1Object.TAG_SEQUENCE, null,
+                        new ObjectIdentifier(ObjectIdentifier.TAG, null, OID_OU),
+                        new Null(Null.TAG, null))
+                        .getType().getInts());
+        assertEquals("123",
+                new AttributeTypeAndValue(
+                        ASN1Object.TAG_SEQUENCE, null,
+                        new ObjectIdentifier(ObjectIdentifier.TAG, null, OID_OU),
+                        new PrintableString(PrintableString.TAG, null, "123"))
+                        .getValue().toString());
+    }
+
+    @Test
+    void testParse() throws ParseException {
+        // C = IT
+        assertArrayEquals(OID_C, new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                0x30, 0x9, 0x6, 0x3, 0x55, 0x4, 0x6, 0x13, 0x2, 0x49, 0x54
+        }), false).getType().getInts());
+        assertEquals("IT", ((PrintableString) new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                        0x30, 0x9, 0x6, 0x3, 0x55, 0x4, 0x6, 0x13, 0x2, 0x49, 0x54
+                }), false).getValue()).getString());
+
+        // CN = Test ed25519
+        assertArrayEquals(OID_CN, new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C,
+                0x0C, 0x54, 0x65, 0x73, 0x74, 0x20, 0x65, 0x64,
+                0x32, 0x35, 0x35, 0x31, 0x39
+        }), false).getType().getInts());
+        assertEquals("Test ed25519", ((ASN1String) new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C,
+                0x0C, 0x54, 0x65, 0x73, 0x74, 0x20, 0x65, 0x64,
+                0x32, 0x35, 0x35, 0x31, 0x39
+        }), false).getValue()).getString());
+    }
+
+    @Test
+    void testParseFail() {
+        // No type
+        assertThrows(ParseException.class, () -> new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                0x30, 0x0
+        }), false));
+        // No value
+        assertThrows(ParseException.class, () -> new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                0x30, 0x5, 0x6, 0x3, 0x55, 0x4, 0x6
+        }), false));
+        // Incorrect type tag (should be OID)
+        assertThrows(ParseException.class, () -> new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                0x30, 0x9, 0x7, 0x3, 0x55, 0x4, 0x6, 0x13, 0x2, 0x49, 0x54
+        }), false));
+    }
+
+    @Test
+    void testEncode() throws ParseException {
+        assertArrayEquals(new Byte[]{
+                0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C,
+                0x0C, 0x54, 0x65, 0x73, 0x74, 0x20, 0x65, 0x64,
+                0x32, 0x35, 0x35, 0x31, 0x39
+        }, new AttributeTypeAndValue(ASN1Object.TAG_SEQUENCE, null,
+                new ObjectIdentifier(ObjectIdentifier.TAG, null, OID_CN),
+                new UTF8String(UTF8String.TAG, null, "Test ed25519"))
+                .encodeDER());
+    }
+
+    @Test
+    void testToString() throws ParseException {
+        assertEquals("CN=Test ed25519", new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                0x30, 0x13, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0C,
+                0x0C, 0x54, 0x65, 0x73, 0x74, 0x20, 0x65, 0x64,
+                0x32, 0x35, 0x35, 0x31, 0x39
+        }), false).toString());
+        assertEquals("C=IT", new AttributeTypeAndValue(new BytesReader(new Byte[]{
+                0x30, 0x9, 0x6, 0x3, 0x55, 0x4, 0x6, 0x13, 0x2, 0x49, 0x54
+        }), false).toString());
+    }
+}