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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 and up.
package org.bouncycastle.crypto.test;
import java.security.SecureRandom;
import org.bouncycastle.crypto.macs.SipHash;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.util.Arrays;
import org.bouncycastle.util.Pack;
import org.bouncycastle.util.encoders.Hex;
import org.bouncycastle.util.test.SimpleTest;
/*
* SipHash test values are taken from the output of the C reference implementations:
* section "const uint8_t vectors_sip64[64][8]" of the output of command ./vectors.
*
* For SipHash-2-4, test values from "SipHash: a fast short-input PRF", by Jean-Philippe
* Aumasson and Daniel J. Bernstein (https://131002.net/siphash/siphash.pdf), Appendix A
* will also be evaluated.
*/
public class SipHashTest
extends SimpleTest
{
private static final int UPDATE_BYTES = 0;
private static final int UPDATE_FULL = 1;
private static final int UPDATE_MIX = 2;
public String getName()
{
return "SipHash";
}
public void performTest()
throws Exception
{
performTest_2_4();
performTest_4_8();
}
private void performTest_2_4()
throws Exception
{
/* Explicit test of the
* SipHash test values from "SipHash: a fast short-input PRF", by Jean-Philippe
* Aumasson and Daniel J. Bernstein (https://131002.net/siphash/siphash.pdf), Appendix A.
*/
byte[] key = Hex.decode("000102030405060708090a0b0c0d0e0f");
byte[] input = Hex.decode("000102030405060708090a0b0c0d0e");
byte[] expected = Hex.decode("e545be4961ca29a1");
runMAC(2, 4, expected, key, input);
/* SipHash test values are taken from the output of the C reference implementations:
* section "const uint8_t vectors_sip64[64][8]" of the output of command ./vectors.
*/
int[][] vectors_sip64 = new int[][] {
{ 0x31, 0x0e, 0x0e, 0xdd, 0x47, 0xdb, 0x6f, 0x72, },
{ 0xfd, 0x67, 0xdc, 0x93, 0xc5, 0x39, 0xf8, 0x74, },
{ 0x5a, 0x4f, 0xa9, 0xd9, 0x09, 0x80, 0x6c, 0x0d, },
{ 0x2d, 0x7e, 0xfb, 0xd7, 0x96, 0x66, 0x67, 0x85, },
{ 0xb7, 0x87, 0x71, 0x27, 0xe0, 0x94, 0x27, 0xcf, },
{ 0x8d, 0xa6, 0x99, 0xcd, 0x64, 0x55, 0x76, 0x18, },
{ 0xce, 0xe3, 0xfe, 0x58, 0x6e, 0x46, 0xc9, 0xcb, },
{ 0x37, 0xd1, 0x01, 0x8b, 0xf5, 0x00, 0x02, 0xab, },
{ 0x62, 0x24, 0x93, 0x9a, 0x79, 0xf5, 0xf5, 0x93, },
{ 0xb0, 0xe4, 0xa9, 0x0b, 0xdf, 0x82, 0x00, 0x9e, },
{ 0xf3, 0xb9, 0xdd, 0x94, 0xc5, 0xbb, 0x5d, 0x7a, },
{ 0xa7, 0xad, 0x6b, 0x22, 0x46, 0x2f, 0xb3, 0xf4, },
{ 0xfb, 0xe5, 0x0e, 0x86, 0xbc, 0x8f, 0x1e, 0x75, },
{ 0x90, 0x3d, 0x84, 0xc0, 0x27, 0x56, 0xea, 0x14, },
{ 0xee, 0xf2, 0x7a, 0x8e, 0x90, 0xca, 0x23, 0xf7, },
{ 0xe5, 0x45, 0xbe, 0x49, 0x61, 0xca, 0x29, 0xa1, },
{ 0xdb, 0x9b, 0xc2, 0x57, 0x7f, 0xcc, 0x2a, 0x3f, },
{ 0x94, 0x47, 0xbe, 0x2c, 0xf5, 0xe9, 0x9a, 0x69, },
{ 0x9c, 0xd3, 0x8d, 0x96, 0xf0, 0xb3, 0xc1, 0x4b, },
{ 0xbd, 0x61, 0x79, 0xa7, 0x1d, 0xc9, 0x6d, 0xbb, },
{ 0x98, 0xee, 0xa2, 0x1a, 0xf2, 0x5c, 0xd6, 0xbe, },
{ 0xc7, 0x67, 0x3b, 0x2e, 0xb0, 0xcb, 0xf2, 0xd0, },
{ 0x88, 0x3e, 0xa3, 0xe3, 0x95, 0x67, 0x53, 0x93, },
{ 0xc8, 0xce, 0x5c, 0xcd, 0x8c, 0x03, 0x0c, 0xa8, },
{ 0x94, 0xaf, 0x49, 0xf6, 0xc6, 0x50, 0xad, 0xb8, },
{ 0xea, 0xb8, 0x85, 0x8a, 0xde, 0x92, 0xe1, 0xbc, },
{ 0xf3, 0x15, 0xbb, 0x5b, 0xb8, 0x35, 0xd8, 0x17, },
{ 0xad, 0xcf, 0x6b, 0x07, 0x63, 0x61, 0x2e, 0x2f, },
{ 0xa5, 0xc9, 0x1d, 0xa7, 0xac, 0xaa, 0x4d, 0xde, },
{ 0x71, 0x65, 0x95, 0x87, 0x66, 0x50, 0xa2, 0xa6, },
{ 0x28, 0xef, 0x49, 0x5c, 0x53, 0xa3, 0x87, 0xad, },
{ 0x42, 0xc3, 0x41, 0xd8, 0xfa, 0x92, 0xd8, 0x32, },
{ 0xce, 0x7c, 0xf2, 0x72, 0x2f, 0x51, 0x27, 0x71, },
{ 0xe3, 0x78, 0x59, 0xf9, 0x46, 0x23, 0xf3, 0xa7, },
{ 0x38, 0x12, 0x05, 0xbb, 0x1a, 0xb0, 0xe0, 0x12, },
{ 0xae, 0x97, 0xa1, 0x0f, 0xd4, 0x34, 0xe0, 0x15, },
{ 0xb4, 0xa3, 0x15, 0x08, 0xbe, 0xff, 0x4d, 0x31, },
{ 0x81, 0x39, 0x62, 0x29, 0xf0, 0x90, 0x79, 0x02, },
{ 0x4d, 0x0c, 0xf4, 0x9e, 0xe5, 0xd4, 0xdc, 0xca, },
{ 0x5c, 0x73, 0x33, 0x6a, 0x76, 0xd8, 0xbf, 0x9a, },
{ 0xd0, 0xa7, 0x04, 0x53, 0x6b, 0xa9, 0x3e, 0x0e, },
{ 0x92, 0x59, 0x58, 0xfc, 0xd6, 0x42, 0x0c, 0xad, },
{ 0xa9, 0x15, 0xc2, 0x9b, 0xc8, 0x06, 0x73, 0x18, },
{ 0x95, 0x2b, 0x79, 0xf3, 0xbc, 0x0a, 0xa6, 0xd4, },
{ 0xf2, 0x1d, 0xf2, 0xe4, 0x1d, 0x45, 0x35, 0xf9, },
{ 0x87, 0x57, 0x75, 0x19, 0x04, 0x8f, 0x53, 0xa9, },
{ 0x10, 0xa5, 0x6c, 0xf5, 0xdf, 0xcd, 0x9a, 0xdb, },
{ 0xeb, 0x75, 0x09, 0x5c, 0xcd, 0x98, 0x6c, 0xd0, },
{ 0x51, 0xa9, 0xcb, 0x9e, 0xcb, 0xa3, 0x12, 0xe6, },
{ 0x96, 0xaf, 0xad, 0xfc, 0x2c, 0xe6, 0x66, 0xc7, },
{ 0x72, 0xfe, 0x52, 0x97, 0x5a, 0x43, 0x64, 0xee, },
{ 0x5a, 0x16, 0x45, 0xb2, 0x76, 0xd5, 0x92, 0xa1, },
{ 0xb2, 0x74, 0xcb, 0x8e, 0xbf, 0x87, 0x87, 0x0a, },
{ 0x6f, 0x9b, 0xb4, 0x20, 0x3d, 0xe7, 0xb3, 0x81, },
{ 0xea, 0xec, 0xb2, 0xa3, 0x0b, 0x22, 0xa8, 0x7f, },
{ 0x99, 0x24, 0xa4, 0x3c, 0xc1, 0x31, 0x57, 0x24, },
{ 0xbd, 0x83, 0x8d, 0x3a, 0xaf, 0xbf, 0x8d, 0xb7, },
{ 0x0b, 0x1a, 0x2a, 0x32, 0x65, 0xd5, 0x1a, 0xea, },
{ 0x13, 0x50, 0x79, 0xa3, 0x23, 0x1c, 0xe6, 0x60, },
{ 0x93, 0x2b, 0x28, 0x46, 0xe4, 0xd7, 0x06, 0x66, },
{ 0xe1, 0x91, 0x5f, 0x5c, 0xb1, 0xec, 0xa4, 0x6c, },
{ 0xf3, 0x25, 0x96, 0x5c, 0xa1, 0x6d, 0x62, 0x9f, },
{ 0x57, 0x5f, 0xf2, 0x8e, 0x60, 0x38, 0x1b, 0xe5, },
{ 0x72, 0x45, 0x06, 0xeb, 0x4c, 0x32, 0x8a, 0x95, },
};
performTest(2, 4, vectors_sip64);
}
private void performTest_4_8()
throws Exception
{
/* SipHash test values are taken from the output of the C reference implementations:
* section "const uint8_t vectors_sip64[64][8]" of the output of command ./vectors.
*/
int[][] vectors_sip64 = new int[][] {
{ 0x41, 0xda, 0x38, 0x99, 0x2b, 0x05, 0x79, 0xc8, },
{ 0x51, 0xb8, 0x95, 0x52, 0xf9, 0x14, 0x59, 0xc8, },
{ 0x92, 0x37, 0x16, 0xf0, 0xbe, 0xdd, 0xc3, 0x33, },
{ 0x6a, 0x46, 0xd4, 0x7d, 0x65, 0x47, 0xc1, 0x05, },
{ 0xc2, 0x38, 0x59, 0x2b, 0x4a, 0xc1, 0xfa, 0x48, },
{ 0xf6, 0xc2, 0xd7, 0xd9, 0xcf, 0x52, 0x47, 0xe1, },
{ 0x6b, 0xb6, 0xbc, 0x34, 0xc8, 0x35, 0x55, 0x8e, },
{ 0x47, 0xd7, 0x3f, 0x71, 0x5a, 0xbe, 0xfd, 0x4e, },
{ 0x20, 0xb5, 0x8b, 0x9c, 0x07, 0x2f, 0xdb, 0x50, },
{ 0x36, 0x31, 0x9a, 0xf3, 0x5e, 0xe1, 0x12, 0x53, },
{ 0x48, 0xa9, 0xd0, 0xdb, 0x0a, 0x8d, 0x84, 0x8f, },
{ 0xcc, 0x69, 0x39, 0x60, 0x36, 0x04, 0x0a, 0x81, },
{ 0x4b, 0x6d, 0x68, 0x53, 0x7a, 0xa7, 0x97, 0x61, },
{ 0x29, 0x37, 0x96, 0xe9, 0xf2, 0xc9, 0x50, 0x69, },
{ 0x88, 0x43, 0x1b, 0xea, 0xa7, 0x62, 0x9a, 0x68, },
{ 0xe0, 0xa6, 0xa9, 0x7d, 0xd5, 0x89, 0xd3, 0x83, },
{ 0x55, 0x9c, 0xf5, 0x53, 0x80, 0xb2, 0xac, 0x70, },
{ 0xd5, 0xb7, 0xc5, 0x11, 0x7a, 0xe3, 0x79, 0x4e, },
{ 0x5a, 0x3c, 0x45, 0x46, 0x34, 0xad, 0x10, 0x2b, },
{ 0xc0, 0xa4, 0x80, 0xaf, 0xa3, 0x5a, 0x3d, 0xbc, },
{ 0x78, 0xc2, 0x27, 0x09, 0xe5, 0x28, 0x4b, 0xc8, },
{ 0xef, 0x26, 0x70, 0x46, 0x0d, 0xeb, 0xd6, 0x9d, },
{ 0xd9, 0x76, 0xef, 0x86, 0xa9, 0xd0, 0x84, 0xd8, },
{ 0xe3, 0xd9, 0x81, 0x18, 0x19, 0xea, 0xd0, 0xe8, },
{ 0x89, 0x33, 0x3c, 0xb5, 0x3e, 0xea, 0xec, 0x16, },
{ 0x31, 0x15, 0x6c, 0x5f, 0x64, 0x73, 0x49, 0xc6, },
{ 0xa5, 0x4c, 0xce, 0x35, 0x35, 0x76, 0x32, 0xa4, },
{ 0x06, 0x5d, 0x89, 0x25, 0xc0, 0xa7, 0xd2, 0xfe, },
{ 0x2b, 0xbb, 0xaa, 0x82, 0x22, 0x1a, 0x3a, 0x8b, },
{ 0x87, 0x0b, 0xfb, 0xce, 0x64, 0x09, 0x7b, 0x70, },
{ 0x40, 0xd8, 0xe0, 0xf9, 0x64, 0x95, 0xee, 0x8b, },
{ 0x79, 0xfc, 0xa7, 0xf4, 0x0b, 0xfa, 0xdf, 0x12, },
{ 0x00, 0x0b, 0xfb, 0xf2, 0x2f, 0x76, 0x9e, 0xd2, },
{ 0x40, 0x68, 0x55, 0x91, 0xf8, 0xe5, 0x22, 0xfa, },
{ 0x2b, 0xe6, 0xfe, 0x74, 0xd8, 0x14, 0x9d, 0x0d, },
{ 0xba, 0x7e, 0x2f, 0x0e, 0x0b, 0x75, 0x60, 0xed, },
{ 0x02, 0xe9, 0xe3, 0x84, 0xed, 0xa7, 0xe1, 0x97, },
{ 0xc4, 0xe8, 0x0a, 0x62, 0x95, 0x27, 0x63, 0xb6, },
{ 0x83, 0x27, 0xed, 0xc6, 0x5d, 0x5c, 0x6d, 0xd3, },
{ 0x79, 0xfc, 0x64, 0xd1, 0x64, 0xa4, 0x2f, 0xc0, },
{ 0x15, 0x4a, 0x75, 0x11, 0xcb, 0xfc, 0x61, 0x4e, },
{ 0x8b, 0x14, 0x8d, 0x7c, 0xec, 0xa0, 0xe6, 0x6f, },
{ 0xdf, 0xee, 0x69, 0xb6, 0x54, 0xc4, 0x03, 0xfa, },
{ 0xc5, 0x8f, 0x36, 0xa6, 0x69, 0x7b, 0xb7, 0xc9, },
{ 0xa6, 0xc5, 0xbe, 0x9c, 0x05, 0xc6, 0x31, 0x21, },
{ 0xb5, 0x8a, 0x87, 0x59, 0xfb, 0xcd, 0x89, 0x31, },
{ 0xd7, 0x68, 0x3a, 0x67, 0x04, 0xcc, 0xc4, 0x25, },
{ 0xcb, 0x6a, 0xe6, 0xe1, 0xe5, 0xa2, 0x44, 0x8d, },
{ 0x6e, 0x26, 0x69, 0x5b, 0x3a, 0x3a, 0x51, 0x73, },
{ 0x78, 0x71, 0x07, 0xcf, 0x9f, 0x33, 0xac, 0x4a, },
{ 0x16, 0x75, 0x90, 0xda, 0xd9, 0x7b, 0x74, 0x84, },
{ 0x00, 0x6b, 0x68, 0x1e, 0xf0, 0x6b, 0xf3, 0x06, },
{ 0x1c, 0x9b, 0x30, 0x02, 0x66, 0xef, 0xcf, 0xa6, },
{ 0x28, 0x8d, 0x2f, 0x88, 0xd1, 0xb0, 0xb3, 0x4b, },
{ 0xe0, 0x11, 0x06, 0xbd, 0xac, 0xf5, 0x6b, 0xfe, },
{ 0xc0, 0x10, 0x1f, 0x0e, 0x5b, 0x6e, 0x03, 0x28, },
{ 0xc3, 0xa7, 0x91, 0x45, 0x5b, 0x1b, 0x1c, 0x0a, },
{ 0x57, 0x07, 0xaf, 0xe1, 0x9e, 0x0b, 0x3a, 0x0f, },
{ 0xe6, 0x5a, 0x72, 0x29, 0xfe, 0x53, 0x59, 0x4f, },
{ 0x00, 0x2f, 0x9d, 0xb9, 0xab, 0x1a, 0xaf, 0x4c, },
{ 0x59, 0x28, 0xcb, 0x50, 0x44, 0xc1, 0x06, 0x06, },
{ 0xd5, 0x38, 0x01, 0x96, 0x7b, 0x85, 0x73, 0x21, },
{ 0x05, 0xdb, 0x36, 0x4f, 0x1a, 0x09, 0x99, 0xcc, },
{ 0xe6, 0x77, 0x84, 0xbc, 0x55, 0x03, 0xde, 0x23, },
};
performTest(4, 8, vectors_sip64);
}
private void performTest(int cRounds, int dRounds, int[][] testvectorsInt)
throws Exception
{
int n = testvectorsInt.length;
int macSize = testvectorsInt[0].length;
byte[][] testvectors = new byte[n][];
for (int i = 0; i < n; i++) {
testvectors[i] = new byte[macSize];
for (int j = 0; j < macSize; j++) {
testvectors[i][j] = (byte) testvectorsInt[i][j];
}
}
byte[] key = Hex.decode("000102030405060708090a0b0c0d0e0f");
for (int i = 0; i < n; i++) {
byte[] input = new byte[i];
for (int j = 0; j < input.length; j++) {
input[j] = (byte) j;
}
runMAC(cRounds, dRounds, testvectors[i], key, input);
}
SecureRandom random = new SecureRandom();
for (int i = 0; i < 100; ++i)
{
randomTest(cRounds, dRounds, random);
}
}
private void runMAC(int cRounds, int dRounds, byte[] expected, byte[] key, byte[] input)
throws Exception {
runMAC(cRounds, dRounds, expected, key, input, UPDATE_BYTES);
runMAC(cRounds, dRounds, expected, key, input, UPDATE_FULL);
runMAC(cRounds, dRounds, expected, key, input, UPDATE_MIX);
}
private void runMAC(int cRounds, int dRounds, byte[] expected, byte[] key, byte[] input,
int updateType)
throws Exception
{
long expectedLong = Pack.littleEndianToLong(expected, 0);
SipHash mac = new SipHash(cRounds, dRounds);
mac.init(new KeyParameter(key));
updateMAC(mac, input, updateType);
long result = mac.doFinal();
if (expectedLong != result)
{
fail("Result does not match expected value for doFinal()");
}
updateMAC(mac, input, updateType);
byte[] output = new byte[mac.getMacSize()];
int len = mac.doFinal(output, 0);
if (len != output.length)
{
fail("Result length does not equal getMacSize() for doFinal(byte[],int)");
}
if (!areEqual(expected, output))
{
fail("Result does not match expected value for doFinal(byte[],int)");
}
}
private void randomTest(int cRounds, int dRounds, SecureRandom random)
{
byte[] key = new byte[16];
random.nextBytes(key);
int length = 1 + RNGUtils.nextInt(random, 1024);
byte[] input = new byte[length];
random.nextBytes(input);
SipHash mac = new SipHash(cRounds, dRounds);
mac.init(new KeyParameter(key));
updateMAC(mac, input, UPDATE_BYTES);
byte[] result1 = new byte[16];
mac.doFinal(result1, 0);
updateMAC(mac, input, UPDATE_FULL);
byte[] result2 = new byte[16];
mac.doFinal(result2, 0);
updateMAC(mac, input, UPDATE_MIX);
byte[] result3 = new byte[16];
mac.doFinal(result3, 0);
if (!Arrays.areEqual(result1, result2) ||
!Arrays.areEqual(result1, result3))
{
fail("Inconsistent results in random test");
}
}
private void updateMAC(SipHash mac, byte[] input, int updateType)
{
switch (updateType)
{
case UPDATE_BYTES:
{
for (int i = 0; i < input.length; ++i)
{
mac.update(input[i]);
}
break;
}
case UPDATE_FULL:
{
mac.update(input, 0, input.length);
break;
}
case UPDATE_MIX:
{
int step = Math.max(1, input.length / 3);
int pos = 0;
while (pos < input.length)
{
mac.update(input[pos++]);
int len = Math.min(input.length - pos, step);
mac.update(input, pos, len);
pos += len;
}
break;
}
default:
throw new IllegalStateException();
}
}
public static void main(String[] args)
{
runTest(new SipHashTest());
}
}