private static String dumpBinaryDataAsString(String indent, byte[] bytes) {
String nl = System.getProperty("line.separator");
StringBuffer buf = new StringBuffer();
indent += TAB;
buf.append(nl);
for (int i = 0; i < bytes.length; i += SAMPLE_SIZE) {
if (bytes.length - i > SAMPLE_SIZE) {
buf.append(indent);
buf.append(new String(Hex.encode(bytes, i, SAMPLE_SIZE)));
buf.append(TAB);
buf.append(calculateAscString(bytes, i, SAMPLE_SIZE));
buf.append(nl);
} else {
buf.append(indent);
buf.append(new String(Hex.encode(bytes, i, bytes.length - i)));
for (int j = bytes.length - i; j != SAMPLE_SIZE; j++) {
buf.append(" ");
}
buf.append(TAB);
buf.append(calculateAscString(bytes, i, bytes.length - i));
buf.append(nl);
}
}
return buf.toString();
}
private static String outputApplicationSpecific(
String type, String indent, boolean verbose, DERObject obj, String nl) {
DERApplicationSpecific app = (DERApplicationSpecific) obj;
StringBuffer buf = new StringBuffer();
if (app.isConstructed()) {
try {
ASN1Sequence s = ASN1Sequence.getInstance(app.getObject(DERTags.SEQUENCE));
buf.append(indent + type + " ApplicationSpecific[" + app.getApplicationTag() + "]" + nl);
for (Enumeration e = s.getObjects(); e.hasMoreElements(); ) {
_dumpAsString(indent + TAB, verbose, (DERObject) e.nextElement(), buf);
}
} catch (IOException e) {
buf.append(e);
}
return buf.toString();
}
return indent
+ type
+ " ApplicationSpecific["
+ app.getApplicationTag()
+ "] ("
+ new String(Hex.encode(app.getContents()))
+ ")"
+ nl;
}
/** check that cipher input/output streams are working correctly */
public class CipherStreamTest extends SimpleTest {
private static byte[] RK = Hex.decode("0123456789ABCDEF");
private static byte[] RIN = Hex.decode("4e6f772069732074");
private static byte[] ROUT = Hex.decode("3afbb5c77938280d");
private static byte[] SIN =
Hex.decode(
"00000000000000000000000000000000"
+ "00000000000000000000000000000000"
+ "00000000000000000000000000000000"
+ "00000000000000000000000000000000");
private static final byte[] SK = Hex.decode("80000000000000000000000000000000");
private static final byte[] SIV = Hex.decode("0000000000000000");
private static final byte[] SOUT =
Hex.decode(
"4DFA5E481DA23EA09A31022050859936"
+ "DA52FCEE218005164F267CB65F5CFD7F"
+ "2B4F97E0FF16924A52DF269515110A07"
+ "F9E460BC65EF95DA58F740B7D1DBB0AA");
private static final byte[] HCIN = new byte[64];
private static final byte[] HCIV = new byte[32];
private static final byte[] HCK256A = new byte[32];
private static final byte[] HC256A =
Hex.decode(
"5B078985D8F6F30D42C5C02FA6B67951"
+ "53F06534801F89F24E74248B720B4818"
+ "CD9227ECEBCF4DBF8DBF6977E4AE14FA"
+ "E8504C7BC8A9F3EA6C0106F5327E6981");
private static final byte[] HCK128A = new byte[16];
private static final byte[] HC128A =
Hex.decode(
"82001573A003FD3B7FD72FFB0EAF63AA"
+ "C62F12DEB629DCA72785A66268EC758B"
+ "1EDB36900560898178E0AD009ABF1F49"
+ "1330DC1C246E3D6CB264F6900271D59C");
private static final byte[] GRAIN_V1 = Hex.decode("0123456789abcdef1234");
private static final byte[] GRAIN_V1_IV = Hex.decode("0123456789abcdef");
private static final byte[] GRAIN_V1_IN = new byte[10];
private static final byte[] GRAIN_V1_OUT = Hex.decode("7f362bd3f7abae203664");
private static final byte[] GRAIN_128 = Hex.decode("0123456789abcdef123456789abcdef0");
private static final byte[] GRAIN_128_IV = Hex.decode("0123456789abcdef12345678");
private static final byte[] GRAIN_128_IN = new byte[16];
private static final byte[] GRAIN_128_OUT = Hex.decode("afb5babfa8de896b4b9c6acaf7c4fbfd");
public CipherStreamTest() {}
private void runTest(String name) throws Exception {
String lCode = "ABCDEFGHIJKLMNOPQRSTUVWXY0123456789";
KeyGenerator kGen;
if (name.indexOf('/') < 0) {
kGen = KeyGenerator.getInstance(name, "BC");
} else {
kGen = KeyGenerator.getInstance(name.substring(0, name.indexOf('/')), "BC");
}
Cipher in = Cipher.getInstance(name, "BC");
Cipher out = Cipher.getInstance(name, "BC");
Key key = kGen.generateKey();
ByteArrayInputStream bIn = new ByteArrayInputStream(lCode.getBytes());
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
in.init(Cipher.ENCRYPT_MODE, key);
if (in.getIV() != null) {
out.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(in.getIV()));
} else {
out.init(Cipher.DECRYPT_MODE, key);
}
CipherInputStream cIn = new CipherInputStream(bIn, in);
CipherOutputStream cOut = new CipherOutputStream(bOut, out);
int c;
while ((c = cIn.read()) >= 0) {
cOut.write(c);
}
cIn.close();
cOut.flush();
cOut.close();
String res = new String(bOut.toByteArray());
if (!res.equals(lCode)) {
fail("Failed - decrypted data doesn't match.");
}
}
private void testAlgorithm(
String name, byte[] keyBytes, byte[] iv, byte[] plainText, byte[] cipherText)
throws Exception {
SecretKey key = new SecretKeySpec(keyBytes, name);
Cipher in = Cipher.getInstance(name, "BC");
Cipher out = Cipher.getInstance(name, "BC");
if (iv != null) {
in.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(iv));
out.init(Cipher.DECRYPT_MODE, key, new IvParameterSpec(iv));
} else {
in.init(Cipher.ENCRYPT_MODE, key);
out.init(Cipher.DECRYPT_MODE, key);
}
byte[] enc = in.doFinal(plainText);
if (!areEqual(enc, cipherText)) {
fail(name + ": cipher text doesn't match");
}
byte[] dec = out.doFinal(enc);
if (!areEqual(dec, plainText)) {
fail(name + ": plain text doesn't match");
}
}
private void testException(String name) {
try {
byte[] key128 = {
(byte) 128, (byte) 131, (byte) 133, (byte) 134,
(byte) 137, (byte) 138, (byte) 140, (byte) 143,
(byte) 128, (byte) 131, (byte) 133, (byte) 134,
(byte) 137, (byte) 138, (byte) 140, (byte) 143
};
byte[] key256 = {
(byte) 128, (byte) 131, (byte) 133, (byte) 134,
(byte) 137, (byte) 138, (byte) 140, (byte) 143,
(byte) 128, (byte) 131, (byte) 133, (byte) 134,
(byte) 137, (byte) 138, (byte) 140, (byte) 143,
(byte) 128, (byte) 131, (byte) 133, (byte) 134,
(byte) 137, (byte) 138, (byte) 140, (byte) 143,
(byte) 128, (byte) 131, (byte) 133, (byte) 134,
(byte) 137, (byte) 138, (byte) 140, (byte) 143
};
byte[] keyBytes;
if (name.equals("HC256")) {
keyBytes = key256;
} else {
keyBytes = key128;
}
SecretKeySpec cipherKey = new SecretKeySpec(keyBytes, name);
Cipher ecipher = Cipher.getInstance(name, "BC");
ecipher.init(Cipher.ENCRYPT_MODE, cipherKey);
byte[] cipherText = new byte[0];
try {
// According specification Method engineUpdate(byte[] input,
// int inputOffset, int inputLen, byte[] output, int
// outputOffset)
// throws ShortBufferException - if the given output buffer is
// too
// small to hold the result
ecipher.update(new byte[20], 0, 20, cipherText);
fail("failed exception test - no ShortBufferException thrown");
} catch (ShortBufferException e) {
// ignore
}
try {
Cipher c = Cipher.getInstance(name, "BC");
Key k =
new PublicKey() {
public String getAlgorithm() {
return "STUB";
}
public String getFormat() {
return null;
}
public byte[] getEncoded() {
return null;
}
};
c.init(Cipher.ENCRYPT_MODE, k);
fail("failed exception test - no InvalidKeyException thrown for public key");
} catch (InvalidKeyException e) {
// okay
}
try {
Cipher c = Cipher.getInstance(name, "BC");
Key k =
new PrivateKey() {
public String getAlgorithm() {
return "STUB";
}
public String getFormat() {
return null;
}
public byte[] getEncoded() {
return null;
}
};
c.init(Cipher.DECRYPT_MODE, k);
fail("failed exception test - no InvalidKeyException thrown for private key");
} catch (InvalidKeyException e) {
// okay
}
} catch (Exception e) {
fail("unexpected exception.", e);
}
}
public void performTest() throws Exception {
runTest("RC4");
testException("RC4");
testAlgorithm("RC4", RK, null, RIN, ROUT);
runTest("Salsa20");
testException("Salsa20");
testAlgorithm("Salsa20", SK, SIV, SIN, SOUT);
runTest("HC128");
testException("HC128");
testAlgorithm("HC128", HCK128A, HCIV, HCIN, HC128A);
runTest("HC256");
testException("HC256");
testAlgorithm("HC256", HCK256A, HCIV, HCIN, HC256A);
runTest("VMPC");
testException("VMPC");
// testAlgorithm("VMPC", a, iv, in, a);
runTest("VMPC-KSA3");
testException("VMPC-KSA3");
// testAlgorithm("VMPC-KSA3", a, iv, in, a);
testAlgorithm("Grainv1", GRAIN_V1, GRAIN_V1_IV, GRAIN_V1_IN, GRAIN_V1_OUT);
testAlgorithm("Grain128", GRAIN_128, GRAIN_128_IV, GRAIN_128_IN, GRAIN_128_OUT);
runTest("DES/ECB/PKCS7Padding");
runTest("DES/CFB8/NoPadding");
}
public String getName() {
return "CipherStreamTest";
}
public static void main(String[] args) {
Security.addProvider(new BouncyCastleProvider());
runTest(new CipherStreamTest());
}
}
/**
* dump a DER object as a formatted string with indentation
*
* @param obj the DERObject to be dumped out.
*/
static void _dumpAsString(String indent, boolean verbose, DERObject obj, StringBuffer buf) {
String nl = System.getProperty("line.separator");
if (obj instanceof ASN1Sequence) {
Enumeration e = ((ASN1Sequence) obj).getObjects();
String tab = indent + TAB;
buf.append(indent);
if (obj instanceof BERSequence) {
buf.append("BER Sequence");
} else if (obj instanceof DERSequence) {
buf.append("DER Sequence");
} else {
buf.append("Sequence");
}
buf.append(nl);
while (e.hasMoreElements()) {
Object o = e.nextElement();
if (o == null || o.equals(new DERNull())) {
buf.append(tab);
buf.append("NULL");
buf.append(nl);
} else if (o instanceof DERObject) {
_dumpAsString(tab, verbose, (DERObject) o, buf);
} else {
_dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
}
}
} else if (obj instanceof DERTaggedObject) {
String tab = indent + TAB;
buf.append(indent);
if (obj instanceof BERTaggedObject) {
buf.append("BER Tagged [");
} else {
buf.append("Tagged [");
}
DERTaggedObject o = (DERTaggedObject) obj;
buf.append(Integer.toString(o.getTagNo()));
buf.append(']');
if (!o.isExplicit()) {
buf.append(" IMPLICIT ");
}
buf.append(nl);
if (o.isEmpty()) {
buf.append(tab);
buf.append("EMPTY");
buf.append(nl);
} else {
_dumpAsString(tab, verbose, o.getObject(), buf);
}
} else if (obj instanceof BERSet) {
Enumeration e = ((ASN1Set) obj).getObjects();
String tab = indent + TAB;
buf.append(indent);
buf.append("BER Set");
buf.append(nl);
while (e.hasMoreElements()) {
Object o = e.nextElement();
if (o == null) {
buf.append(tab);
buf.append("NULL");
buf.append(nl);
} else if (o instanceof DERObject) {
_dumpAsString(tab, verbose, (DERObject) o, buf);
} else {
_dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
}
}
} else if (obj instanceof DERSet) {
Enumeration e = ((ASN1Set) obj).getObjects();
String tab = indent + TAB;
buf.append(indent);
buf.append("DER Set");
buf.append(nl);
while (e.hasMoreElements()) {
Object o = e.nextElement();
if (o == null) {
buf.append(tab);
buf.append("NULL");
buf.append(nl);
} else if (o instanceof DERObject) {
_dumpAsString(tab, verbose, (DERObject) o, buf);
} else {
_dumpAsString(tab, verbose, ((DEREncodable) o).getDERObject(), buf);
}
}
} else if (obj instanceof DERObjectIdentifier) {
buf.append(indent + "ObjectIdentifier(" + ((DERObjectIdentifier) obj).getId() + ")" + nl);
} else if (obj instanceof DERBoolean) {
buf.append(indent + "Boolean(" + ((DERBoolean) obj).isTrue() + ")" + nl);
} else if (obj instanceof DERInteger) {
buf.append(indent + "Integer(" + ((DERInteger) obj).getValue() + ")" + nl);
} else if (obj instanceof BERConstructedOctetString) {
ASN1OctetString oct = (ASN1OctetString) obj;
buf.append(indent + "BER Constructed Octet String" + "[" + oct.getOctets().length + "] ");
if (verbose) {
buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
} else {
buf.append(nl);
}
} else if (obj instanceof DEROctetString) {
ASN1OctetString oct = (ASN1OctetString) obj;
buf.append(indent + "DER Octet String" + "[" + oct.getOctets().length + "] ");
if (verbose) {
buf.append(dumpBinaryDataAsString(indent, oct.getOctets()));
} else {
buf.append(nl);
}
} else if (obj instanceof DERBitString) {
DERBitString bt = (DERBitString) obj;
buf.append(
indent + "DER Bit String" + "[" + bt.getBytes().length + ", " + bt.getPadBits() + "] ");
if (verbose) {
buf.append(dumpBinaryDataAsString(indent, bt.getBytes()));
} else {
buf.append(nl);
}
} else if (obj instanceof DERIA5String) {
buf.append(indent + "IA5String(" + ((DERIA5String) obj).getString() + ") " + nl);
} else if (obj instanceof DERUTF8String) {
buf.append(indent + "UTF8String(" + ((DERUTF8String) obj).getString() + ") " + nl);
} else if (obj instanceof DERPrintableString) {
buf.append(indent + "PrintableString(" + ((DERPrintableString) obj).getString() + ") " + nl);
} else if (obj instanceof DERVisibleString) {
buf.append(indent + "VisibleString(" + ((DERVisibleString) obj).getString() + ") " + nl);
} else if (obj instanceof DERBMPString) {
buf.append(indent + "BMPString(" + ((DERBMPString) obj).getString() + ") " + nl);
} else if (obj instanceof DERT61String) {
buf.append(indent + "T61String(" + ((DERT61String) obj).getString() + ") " + nl);
} else if (obj instanceof DERUTCTime) {
buf.append(indent + "UTCTime(" + ((DERUTCTime) obj).getTime() + ") " + nl);
} else if (obj instanceof DERGeneralizedTime) {
buf.append(indent + "GeneralizedTime(" + ((DERGeneralizedTime) obj).getTime() + ") " + nl);
} else if (obj instanceof DERUnknownTag) {
buf.append(
indent
+ "Unknown "
+ Integer.toString(((DERUnknownTag) obj).getTag(), 16)
+ " "
+ new String(Hex.encode(((DERUnknownTag) obj).getData()))
+ nl);
} else if (obj instanceof BERApplicationSpecific) {
buf.append(outputApplicationSpecific("BER", indent, verbose, obj, nl));
} else if (obj instanceof DERApplicationSpecific) {
buf.append(outputApplicationSpecific("DER", indent, verbose, obj, nl));
} else if (obj instanceof DEREnumerated) {
DEREnumerated en = (DEREnumerated) obj;
buf.append(indent + "DER Enumerated(" + en.getValue() + ")" + nl);
} else if (obj instanceof DERExternal) {
DERExternal ext = (DERExternal) obj;
buf.append(indent + "External " + nl);
String tab = indent + TAB;
if (ext.getDirectReference() != null) {
buf.append(tab + "Direct Reference: " + ext.getDirectReference().getId() + nl);
}
if (ext.getIndirectReference() != null) {
buf.append(tab + "Indirect Reference: " + ext.getIndirectReference().toString() + nl);
}
if (ext.getDataValueDescriptor() != null) {
_dumpAsString(tab, verbose, ext.getDataValueDescriptor(), buf);
}
buf.append(tab + "Encoding: " + ext.getEncoding() + nl);
_dumpAsString(tab, verbose, ext.getExternalContent(), buf);
} else {
buf.append(indent + obj.toString() + nl);
}
}