1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
package model.pki;
import model.asn1.ASN1Object;
import model.asn1.Null;
import model.asn1.ObjectIdentifier;
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 AlgorithmIdentifierTest {
@Test
void testConstructor() {
assertArrayEquals(OID_SHA256_WITH_RSA_ENCRYPTION,
new AlgorithmIdentifier(
ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null, OID_SHA256_WITH_RSA_ENCRYPTION),
new Null(Null.TAG, null))
.getType().getInts());
assertEquals(Null.TAG.getNumber(),
new AlgorithmIdentifier(
ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null, OID_SHA256_WITH_RSA_ENCRYPTION),
new Null(Null.TAG, null))
.getParameters().getTag().getNumber());
}
@Test
void testParse() throws ParseException {
AlgorithmIdentifier parsed = new AlgorithmIdentifier(new BytesReader(new Byte[]{
0x30, 0x0d, // SEQUENCE AlgorithmIdentifier
0x06, 0x09, 0x2a, -122, 0x48, -122, -9, 0x0d, // OID (rsaEncryption)
0x01, 0x01, 0x01,
0x05, 0x00, // Null (Parameter)
}), false);
assertArrayEquals(OID_RSA_ENCRYPTION, parsed.getType().getInts());
assertEquals(Null.TAG.getNumber(), parsed.getParameters().getTag().getNumber());
parsed = new AlgorithmIdentifier(new BytesReader(new Byte[]{
0x30, 0x0D, // SEQUENCE AlgorithmIdentifier
0x06, 0x09, 0x2A, -122, 0x48, -122, -9, 0x0D, // OID (sha256WithRsaEncryption)
0x01, 0x01, 0x0B,
0x05, 0x00 // Null (Parameter)
}), false);
assertArrayEquals(OID_SHA256_WITH_RSA_ENCRYPTION, parsed.getType().getInts());
assertEquals(Null.TAG.getNumber(), parsed.getParameters().getTag().getNumber());
parsed = new AlgorithmIdentifier(new BytesReader(new Byte[]{
0x30, 0x0A, // SEQUENCE AlgorithmIdentifier
0x06, 0x08, 0x2A, -122, 0x48, -50, 0x3D, 0x04, 0x03, 0x02 // OID (ecdsaWithSHA256)
}), false);
assertArrayEquals(OID_ECDSA_WITH_SHA256, parsed.getType().getInts());
assertNull(parsed.getParameters());
}
@Test
void testParseFail() {
// No type
assertThrows(ParseException.class, () -> new AlgorithmIdentifier(new BytesReader(new Byte[]{
0x30, 0x0
}), false));
// Incorrect type tag (should be OID)
assertThrows(ParseException.class, () -> new AlgorithmIdentifier(new BytesReader(new Byte[]{
0x30, 0x0B, // SEQUENCE AlgorithmIdentifier
0x07, 0x09, 0x2A, -122, 0x48, -122, -9, 0x0D, // Incorrect tag
0x01, 0x01, 0x0B,
}), false));
}
@Test
void testEncode() throws ParseException {
assertArrayEquals(new Byte[]{
0x30, 0x0D, // SEQUENCE AlgorithmIdentifier
0x06, 0x09, 0x2A, -122, 0x48, -122, -9, 0x0D, // OID (sha256WithRsaEncryption)
0x01, 0x01, 0x0B,
0x05, 0x00 // Null (Parameter)
}, new AlgorithmIdentifier(
ASN1Object.TAG_SEQUENCE, null,
new ObjectIdentifier(ObjectIdentifier.TAG, null, OID_SHA256_WITH_RSA_ENCRYPTION),
new Null(Null.TAG, null)).encodeDER());
}
}
|
