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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
package simpleapdu;
import applets.SimpleECCApplet;
import static applets.SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_CUSTOMCURVE;
import static applets.SimpleECCApplet.ECTEST_SET_INVALIDCURVE;
import javacard.framework.ISO7816;
import javacard.security.CryptoException;
import javacard.security.KeyPair;
import javax.smartcardio.ResponseAPDU;
/**
*
* @author Petr Svenda petr@svenda.com
*/
public class SimpleAPDU {
static CardMngr cardManager = new CardMngr();
private final static byte SELECT_ECTESTERAPPLET[] = {(byte) 0x00, (byte) 0xa4, (byte) 0x04, (byte) 0x00, (byte) 0x0a,
(byte) 0x45, (byte) 0x43, (byte) 0x54, (byte) 0x65, (byte) 0x73, (byte) 0x74, (byte) 0x65, (byte) 0x72, (byte) 0x30, (byte) 0x31};
private static byte TESTECSUPPORTALL_FP[] = {(byte) 0xB0, (byte) 0x5E, (byte) 0x00, (byte) 0x00, (byte) 0x00};
private static byte TESTECSUPPORTALL_F2M[] = {(byte) 0xB0, (byte) 0x5F, (byte) 0x00, (byte) 0x00, (byte) 0x00};
private static byte TESTECSUPPORTALL_FP_KEYGEN_INVALIDCURVEB[] = {(byte) 0xB0, (byte) 0x70, (byte) 0x10, (byte) 0x00, (byte) 0x00};
static short getShort(byte[] array, int offset) {
return (short) (((array[offset] & 0xFF) << 8) | (array[offset + 1] & 0xFF));
}
public static void main(String[] args) {
try {
//
// REAL CARDS
//
if (cardManager.ConnectToCard()) {
// Select our application on card
cardManager.sendAPDU(SELECT_ECTESTERAPPLET);
// Test setting invalid curves
ResponseAPDU resp_fp_keygen = cardManager.sendAPDU(TESTECSUPPORTALL_FP_KEYGEN_INVALIDCURVEB);
PrintECKeyGenInvalidCurveB(resp_fp_keygen);
// Test support for different types of curves
ResponseAPDU resp_fp = cardManager.sendAPDU(TESTECSUPPORTALL_FP);
ResponseAPDU resp_f2m = cardManager.sendAPDU(TESTECSUPPORTALL_F2M);
PrintECSupport(resp_fp);
PrintECSupport(resp_f2m);
cardManager.DisconnectFromCard();
} else {
System.out.println("Failed to connect to card");
}
} catch (Exception ex) {
System.out.println("Exception : " + ex);
}
}
static String getPrintError(short code) {
if (code == ISO7816.SW_NO_ERROR) {
return "OK\t(0x9000)";
}
else {
String codeStr = "unknown";
if (code == CryptoException.ILLEGAL_VALUE) {
codeStr = "ILLEGAL_VALUE";
}
if (code == CryptoException.UNINITIALIZED_KEY) {
codeStr = "UNINITIALIZED_KEY";
}
if (code == CryptoException.NO_SUCH_ALGORITHM) {
codeStr = "NO_SUCH_ALG";
}
if (code == CryptoException.INVALID_INIT) {
codeStr = "INVALID_INIT";
}
if (code == CryptoException.ILLEGAL_USE) {
codeStr = "ILLEGAL_USE";
}
if (code == SimpleECCApplet.SW_SKIPPED) {
codeStr = "skipped";
}
return String.format("fail\t(%s,\t0x%4x)", codeStr, code);
}
}
enum ExpResult {
SHOULD_SUCCEDD,
MAY_FAIL,
MUST_FAIL
}
static int VerifyPrintResult(String message, byte expectedTag, byte[] buffer, int bufferOffset, ExpResult expRes) {
if (buffer[bufferOffset] != expectedTag) {
System.out.println("ERROR: mismatched tag");
assert(buffer[bufferOffset] == expectedTag);
}
bufferOffset++;
short resCode = getShort(buffer, bufferOffset);
bufferOffset += 2;
boolean bHiglight = false;
if ((expRes == ExpResult.MUST_FAIL) && (resCode == ISO7816.SW_NO_ERROR)) {
bHiglight = true;
}
if ((expRes == ExpResult.SHOULD_SUCCEDD) && (resCode != ISO7816.SW_NO_ERROR)) {
bHiglight = true;
}
if (bHiglight) {
System.out.println(String.format("!! %-50s%s", message, getPrintError(resCode)));
}
else {
System.out.println(String.format(" %-50s%s", message, getPrintError(resCode)));
}
return bufferOffset;
}
static void PrintECSupport(ResponseAPDU resp) {
byte[] buffer = resp.getData();
System.out.println();System.out.println();
int bufferOffset = 0;
while (bufferOffset < buffer.length) {
assert(buffer[bufferOffset] == SimpleECCApplet.ECTEST_SEPARATOR);
bufferOffset++;
String ecType = "unknown";
if (buffer[bufferOffset] == KeyPair.ALG_EC_FP) {
ecType = "ALG_EC_FP";
}
if (buffer[bufferOffset] == KeyPair.ALG_EC_F2M) {
ecType = "ALG_EC_F2M";
}
System.out.println(String.format("%-53s%s", "EC type:", ecType));
bufferOffset++;
short keyLen = getShort(buffer, bufferOffset);
System.out.println(String.format("%-53s%d bits", "EC key length (bits):", keyLen));
bufferOffset += 2;
bufferOffset = VerifyPrintResult("KeyPair object allocation:", SimpleECCApplet.ECTEST_ALLOCATE_KEYPAIR, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("Generate key with def curve (fails if no def):", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_DEFCURVE, buffer, bufferOffset, ExpResult.MAY_FAIL);
bufferOffset = VerifyPrintResult("Set valid custom curve:", SimpleECCApplet.ECTEST_SET_VALIDCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("Generate key with valid curve:", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_CUSTOMCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("ECDH agreement with valid point:", SimpleECCApplet.ECTEST_ECDH_AGREEMENT_VALID_POINT, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("ECDH agreement with invalid point (fail is good):", SimpleECCApplet.ECTEST_ECDH_AGREEMENT_INVALID_POINT, buffer, bufferOffset, ExpResult.MUST_FAIL);
bufferOffset = VerifyPrintResult("Set invalid custom curve (my fail):", SimpleECCApplet.ECTEST_SET_INVALIDCURVE, buffer, bufferOffset, ExpResult.MAY_FAIL);
bufferOffset = VerifyPrintResult("Generate key with invalid curve (fail is good):", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_INVALIDCUSTOMCURVE, buffer, bufferOffset, ExpResult.MUST_FAIL);
System.out.println();
}
}
static void PrintECKeyGenInvalidCurveB(ResponseAPDU resp) {
byte[] buffer = resp.getData();
System.out.println();
System.out.println();
int bufferOffset = 0;
while (bufferOffset < buffer.length) {
assert (buffer[bufferOffset] == SimpleECCApplet.ECTEST_SEPARATOR);
bufferOffset++;
String ecType = "unknown";
if (buffer[bufferOffset] == KeyPair.ALG_EC_FP) {
ecType = "ALG_EC_FP";
}
if (buffer[bufferOffset] == KeyPair.ALG_EC_F2M) {
ecType = "ALG_EC_F2M";
}
System.out.println(String.format("%-53s%s", "EC type:", ecType));
bufferOffset++;
short keyLen = getShort(buffer, bufferOffset);
System.out.println(String.format("%-53s%d bits", "EC key length (bits):", keyLen));
bufferOffset += 2;
bufferOffset = VerifyPrintResult("KeyPair object allocation:", SimpleECCApplet.ECTEST_ALLOCATE_KEYPAIR, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
while (bufferOffset < buffer.length) {
bufferOffset = VerifyPrintResult("Set invalid custom curve:", SimpleECCApplet.ECTEST_SET_INVALIDCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("Generate key with invalid curve (fail is good):", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_INVALIDCUSTOMCURVE, buffer, bufferOffset, ExpResult.MUST_FAIL);
bufferOffset = VerifyPrintResult("Set valid custom curve:", SimpleECCApplet.ECTEST_SET_VALIDCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
bufferOffset = VerifyPrintResult("Generate key with valid curve:", SimpleECCApplet.ECTEST_GENERATE_KEYPAIR_CUSTOMCURVE, buffer, bufferOffset, ExpResult.SHOULD_SUCCEDD);
}
System.out.println();
}
}
}
|
