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, 53 insertions, 0 deletions

diff --git a/src/test/model/csr/AttributeTest.java b/src/test/model/csr/AttributeTest.java
new file mode 100644
index 0000000..f4daa4c
--- /dev/null
+++ b/src/test/model/csr/AttributeTest.java
@@ -0,0 +1,53 @@
+package model.csr;
+
+import model.TestConstants;
+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 AttributeTest {
+    @Test
+    void testConstructor() throws ParseException {
+        assertArrayEquals(OID_EXTENSION_REQUEST, TestConstants.CSR_ATTR_2.getType().getInts());
+        assertEquals(0x21, TestConstants.CSR_ATTR_2.getValues().getArray()[1].getLength());
+    }
+
+    @Test
+    void testParse() throws ParseException {
+        final Attribute parsed = new Attribute(new BytesReader(TestConstants.CSR_ATTR_VALUES_2_DER), false);
+
+        assertArrayEquals(OID_EXTENSION_REQUEST, parsed.getType().getInts());
+        assertEquals(2, parsed.getValues().getArray().length);
+    }
+
+    @Test
+    void testParseFail() {
+        // No type
+        assertThrows(ParseException.class, () -> new Attribute(new BytesReader(new Byte[]{
+                0x30, 0x0
+        }), false));
+        // No value
+        assertThrows(ParseException.class, () -> new Attribute(new BytesReader(new Byte[]{
+                0x30, 0x5, 0x6, 0x3, 0x55, 0x4, 0x6
+        }), false));
+        // Incorrect type tag (should be OID)
+        assertThrows(ParseException.class, () -> new Attribute(new BytesReader(new Byte[]{
+                0x30, 0x9, 0x7, 0x3, 0x55, 0x4, 0x6, 0x13, 0x2, 0x49, 0x54
+        }), false));
+        // Incorrect value tag (should be SET)
+        assertThrows(ParseException.class, () -> new Attribute(new BytesReader(new Byte[]{
+                0x30, 13,
+                0x06, 0x09, 0x1A, -122, 0x48, -122, -9, 0x0D, 0x01, 0x09, 0x0E,
+                0x30, 0
+        }), false));
+    }
+
+    @Test
+    void testEncode() {
+        assertArrayEquals(TestConstants.CSR_ATTR_1_DER, TestConstants.CSR_ATTR_1.encodeDER());
+        assertArrayEquals(TestConstants.CSR_ATTR_VALUES_2_DER, TestConstants.CSR_ATTR_2.encodeDER());
+    }
+}