下面列出了怎么用javax.crypto.spec.DHGenParameterSpec的API类实例代码及写法，或者点击链接到github查看源代码。
@Override
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
if (!(genParamSpec instanceof DHGenParameterSpec))
{
throw new InvalidAlgorithmParameterException("DH parameter generator requires a DHGenParameterSpec for initialisation");
}
DHGenParameterSpec spec = (DHGenParameterSpec)genParamSpec;
this.strength = spec.getPrimeSize();
this.l = spec.getExponentSize();
this.random = random;
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
@Override
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random) throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
exponentSize = dhParamSpec.getExponentSize();
if ((exponentSize <= 0) || (exponentSize >= primeSize)) {
throw new InvalidAlgorithmParameterException(
"Exponent size (" + exponentSize +
") must be positive and less than modulus size (" +
primeSize + ")");
}
try {
checkKeySize(primeSize);
} catch (InvalidParameterException ipe) {
throw new InvalidAlgorithmParameterException(ipe.getMessage());
}
this.random = random;
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
@Override
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random) throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
exponentSize = dhParamSpec.getExponentSize();
if ((exponentSize <= 0) || (exponentSize >= primeSize)) {
throw new InvalidAlgorithmParameterException(
"Exponent size (" + exponentSize +
") must be positive and less than modulus size (" +
primeSize + ")");
}
try {
checkKeySize(primeSize);
} catch (InvalidParameterException ipe) {
throw new InvalidAlgorithmParameterException(ipe.getMessage());
}
this.random = random;
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
// Re-uses DSA parameters and thus have the same range
checkKeySize(primeSize);
exponentSize = dhParamSpec.getExponentSize();
if (exponentSize <= 0) {
throw new InvalidAlgorithmParameterException
("Exponent size must be greater than zero");
}
// Require exponentSize < primeSize
if (exponentSize >= primeSize) {
throw new InvalidAlgorithmParameterException
("Exponent size must be less than modulus size");
}
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param genParamSpec the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
@Override
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random) throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
exponentSize = dhParamSpec.getExponentSize();
if ((exponentSize <= 0) || (exponentSize >= primeSize)) {
throw new InvalidAlgorithmParameterException(
"Exponent size (" + exponentSize +
") must be positive and less than modulus size (" +
primeSize + ")");
}
try {
checkKeySize(primeSize);
} catch (InvalidParameterException ipe) {
throw new InvalidAlgorithmParameterException(ipe.getMessage());
}
this.random = random;
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
@Override
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random) throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
exponentSize = dhParamSpec.getExponentSize();
if ((exponentSize <= 0) || (exponentSize >= primeSize)) {
throw new InvalidAlgorithmParameterException(
"Exponent size (" + exponentSize +
") must be positive and less than modulus size (" +
primeSize + ")");
}
try {
checkKeySize(primeSize);
} catch (InvalidParameterException ipe) {
throw new InvalidAlgorithmParameterException(ipe.getMessage());
}
this.random = random;
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param genParamSpec the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
@Override
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random) throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
exponentSize = dhParamSpec.getExponentSize();
if ((exponentSize <= 0) || (exponentSize >= primeSize)) {
throw new InvalidAlgorithmParameterException(
"Exponent size (" + exponentSize +
") must be positive and less than modulus size (" +
primeSize + ")");
}
try {
checkKeySize(primeSize);
} catch (InvalidParameterException ipe) {
throw new InvalidAlgorithmParameterException(ipe.getMessage());
}
this.random = random;
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param genParamSpec the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
@Override
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random) throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
exponentSize = dhParamSpec.getExponentSize();
if ((exponentSize <= 0) || (exponentSize >= primeSize)) {
throw new InvalidAlgorithmParameterException(
"Exponent size (" + exponentSize +
") must be positive and less than modulus size (" +
primeSize + ")");
}
try {
checkKeySize(primeSize);
} catch (InvalidParameterException ipe) {
throw new InvalidAlgorithmParameterException(ipe.getMessage());
}
this.random = random;
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
// Re-uses DSA parameters and thus have the same range
try {
checkKeySize(primeSize);
} catch (InvalidParameterException ipe) {
throw new InvalidAlgorithmParameterException(ipe.getMessage());
}
exponentSize = dhParamSpec.getExponentSize();
if (exponentSize <= 0) {
throw new InvalidAlgorithmParameterException
("Exponent size must be greater than zero");
}
// Require exponentSize < primeSize
if (exponentSize >= primeSize) {
throw new InvalidAlgorithmParameterException
("Exponent size must be less than modulus size");
}
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
// Re-uses DSA parameters and thus have the same range
checkKeySize(primeSize);
exponentSize = dhParamSpec.getExponentSize();
if (exponentSize <= 0) {
throw new InvalidAlgorithmParameterException
("Exponent size must be greater than zero");
}
// Require exponentSize < primeSize
if (exponentSize >= primeSize) {
throw new InvalidAlgorithmParameterException
("Exponent size must be less than modulus size");
}
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
// Re-uses DSA parameters and thus have the same range
checkKeySize(primeSize);
exponentSize = dhParamSpec.getExponentSize();
if (exponentSize <= 0) {
throw new InvalidAlgorithmParameterException
("Exponent size must be greater than zero");
}
// Require exponentSize < primeSize
if (exponentSize >= primeSize) {
throw new InvalidAlgorithmParameterException
("Exponent size must be less than modulus size");
}
}
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
if (!(genParamSpec instanceof DHGenParameterSpec))
{
throw new InvalidAlgorithmParameterException("DH parameter generator requires a DHGenParameterSpec for initialisation");
}
DHGenParameterSpec spec = (DHGenParameterSpec)genParamSpec;
this.strength = spec.getPrimeSize();
this.l = spec.getExponentSize();
this.random = random;
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
// Re-uses DSA parameters and thus have the same range
checkKeySize(primeSize);
exponentSize = dhParamSpec.getExponentSize();
if (exponentSize <= 0) {
throw new InvalidAlgorithmParameterException
("Exponent size must be greater than zero");
}
// Require exponentSize < primeSize
if (exponentSize >= primeSize) {
throw new InvalidAlgorithmParameterException
("Exponent size must be less than modulus size");
}
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param genParamSpec the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
@Override
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random) throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
exponentSize = dhParamSpec.getExponentSize();
if ((exponentSize <= 0) || (exponentSize >= primeSize)) {
throw new InvalidAlgorithmParameterException(
"Exponent size (" + exponentSize +
") must be positive and less than modulus size (" +
primeSize + ")");
}
try {
checkKeySize(primeSize);
} catch (InvalidParameterException ipe) {
throw new InvalidAlgorithmParameterException(ipe.getMessage());
}
this.random = random;
}
public static DHParameterSpec generateRandomParameter(int primeSize, int keySize)
{
try
{
AlgorithmParameterGenerator paramGen =
AlgorithmParameterGenerator.getInstance(ALGORITHM);
DHGenParameterSpec genParameterSpec =
new DHGenParameterSpec(primeSize, keySize);
paramGen.init(genParameterSpec);
AlgorithmParameters params = paramGen.generateParameters();
DHParameterSpec result = (DHParameterSpec)
params.getParameterSpec(DHParameterSpec.class);
if (DEBUG) _log.debug("Generated random DHParameterSpec, base: "
+ result.getG() + ", modulus: " + result.getP());
return result;
}
catch (GeneralSecurityException e)
{
_log.error("Cannot generate DH params for primeSize: "
+ primeSize + " keySize: " + keySize, e);
return null;
}
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
// Re-uses DSA parameters and thus have the same range
checkKeySize(primeSize);
exponentSize = dhParamSpec.getExponentSize();
if (exponentSize <= 0) {
throw new InvalidAlgorithmParameterException
("Exponent size must be greater than zero");
}
// Require exponentSize < primeSize
if (exponentSize >= primeSize) {
throw new InvalidAlgorithmParameterException
("Exponent size must be less than modulus size");
}
}
/**
* Initializes this parameter generator with a set of parameter
* generation values, which specify the size of the prime modulus and
* the size of the random exponent, both in bits.
*
* @param params the set of parameter generation values
* @param random the source of randomness
*
* @exception InvalidAlgorithmParameterException if the given parameter
* generation values are inappropriate for this parameter generator
*/
protected void engineInit(AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException {
if (!(genParamSpec instanceof DHGenParameterSpec)) {
throw new InvalidAlgorithmParameterException
("Inappropriate parameter type");
}
DHGenParameterSpec dhParamSpec = (DHGenParameterSpec)genParamSpec;
primeSize = dhParamSpec.getPrimeSize();
// Re-uses DSA parameters and thus have the same range
checkKeySize(primeSize);
exponentSize = dhParamSpec.getExponentSize();
if (exponentSize <= 0) {
throw new InvalidAlgorithmParameterException
("Exponent size must be greater than zero");
}
// Require exponentSize < primeSize
if (exponentSize >= primeSize) {
throw new InvalidAlgorithmParameterException
("Exponent size must be less than modulus size");
}
}
/**
* DHGenParameterSpec class testing. Tests the equivalence of
* parameters specified in the constructor with the values returned
* by getters.
*/
public void testDHGenParameterSpec() {
int[] primes = {Integer.MIN_VALUE, -1, 0, 1, Integer.MAX_VALUE};
int[] exponents = {Integer.MIN_VALUE, -1, 0, 1, Integer.MAX_VALUE};
for (int i=0; i<primes.length; i++) {
DHGenParameterSpec ps = new DHGenParameterSpec(primes[i],
exponents[i]);
assertEquals("The value returned by getPrimeSize() must be "
+ "equal to the value specified in the constructor",
ps.getPrimeSize(), primes[i]);
assertEquals("The value returned by getExponentSize() must be "
+ "equal to the value specified in the constructor",
ps.getPrimeSize(), exponents[i]);
}
}
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
if (!(genParamSpec instanceof DHGenParameterSpec))
{
throw new InvalidAlgorithmParameterException("DH parameter generator requires a DHGenParameterSpec for initialisation");
}
DHGenParameterSpec spec = (DHGenParameterSpec)genParamSpec;
this.strength = spec.getPrimeSize();
this.l = spec.getExponentSize();
this.random = random;
}
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
if (!(genParamSpec instanceof DHGenParameterSpec))
{
throw new InvalidAlgorithmParameterException("DH parameter generator requires a DHGenParameterSpec for initialisation");
}
DHGenParameterSpec spec = (DHGenParameterSpec)genParamSpec;
this.strength = spec.getPrimeSize();
this.l = spec.getExponentSize();
this.random = random;
}
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
if (!(genParamSpec instanceof DHGenParameterSpec))
{
throw new InvalidAlgorithmParameterException("DH parameter generator requires a DHGenParameterSpec for initialisation");
}
DHGenParameterSpec spec = (DHGenParameterSpec)genParamSpec;
this.strength = spec.getPrimeSize();
this.l = spec.getExponentSize();
this.random = random;
}
protected void engineInit(
AlgorithmParameterSpec genParamSpec,
SecureRandom random)
throws InvalidAlgorithmParameterException
{
if (!(genParamSpec instanceof DHGenParameterSpec))
{
throw new InvalidAlgorithmParameterException("DH parameter generator requires a DHGenParameterSpec for initialisation");
}
DHGenParameterSpec spec = (DHGenParameterSpec)genParamSpec;
this.strength = spec.getPrimeSize();
this.l = spec.getExponentSize();
this.random = random;
}
public static boolean runTest(String algo, int numParties, String secretAlgo) {
KAParticipant[] parties = new KAParticipant[numParties];
Key[] keyArchives = new Key[numParties];
try {
// generate AlogirhtmParameterSpec
AlgorithmParameterGenerator apg = AlgorithmParameterGenerator.getInstance("DH","SunJCE");
AlgorithmParameterSpec aps = new DHGenParameterSpec(512, 64);
apg.init(aps);
DHParameterSpec spec = apg.generateParameters().
getParameterSpec(DHParameterSpec.class);
//initilize all KeyAgreement participants
for (int i = 0; i < numParties; i++) {
parties[i] = new KAParticipant(PA_NAMES[i], algo);
parties[i].initialize(spec);
keyArchives[i] = parties[i].getPublicKey();
}
// Do all phases in the KeyAgreement for all participants
Key[] keyBuffer = new Key[numParties];
boolean lastPhase = false;
for (int j = 0; j < numParties - 1; j++) {
if (j == numParties - 2) {
lastPhase = true;
}
for (int k = 0; k < numParties; k++) {
if (k == numParties - 1) {
keyBuffer[k] = parties[k].doPhase(keyArchives[0], lastPhase);
} else {
keyBuffer[k] = parties[k].doPhase(keyArchives[k + 1], lastPhase);
}
}
System.arraycopy(keyBuffer, 0, keyArchives, 0, numParties);
}
//Comparison: The secret keys generated by all involved parties should be the same
SecretKey[] sKeys = new SecretKey[numParties];
for (int n = 0; n < numParties; n++) {
sKeys[n] = parties[n].generateSecret(secretAlgo);
}
for (int q = 0; q < numParties - 1; q++) {
if (!Arrays.equals(sKeys[q].getEncoded(), sKeys[q + 1].getEncoded())) {
return false;
}
}
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
public static boolean runTest(String algo, int numParties, String secretAlgo) {
KAParticipant[] parties = new KAParticipant[numParties];
Key[] keyArchives = new Key[numParties];
try {
// generate AlogirhtmParameterSpec
AlgorithmParameterGenerator apg = AlgorithmParameterGenerator.getInstance("DH","SunJCE");
AlgorithmParameterSpec aps = new DHGenParameterSpec(512, 64);
apg.init(aps);
DHParameterSpec spec = apg.generateParameters().
getParameterSpec(DHParameterSpec.class);
//initilize all KeyAgreement participants
for (int i = 0; i < numParties; i++) {
parties[i] = new KAParticipant(PA_NAMES[i], algo);
parties[i].initialize(spec);
keyArchives[i] = parties[i].getPublicKey();
}
// Do all phases in the KeyAgreement for all participants
Key[] keyBuffer = new Key[numParties];
boolean lastPhase = false;
for (int j = 0; j < numParties - 1; j++) {
if (j == numParties - 2) {
lastPhase = true;
}
for (int k = 0; k < numParties; k++) {
if (k == numParties - 1) {
keyBuffer[k] = parties[k].doPhase(keyArchives[0], lastPhase);
} else {
keyBuffer[k] = parties[k].doPhase(keyArchives[k + 1], lastPhase);
}
}
System.arraycopy(keyBuffer, 0, keyArchives, 0, numParties);
}
//Comparison: The secret keys generated by all involved parties should be the same
SecretKey[] sKeys = new SecretKey[numParties];
for (int n = 0; n < numParties; n++) {
sKeys[n] = parties[n].generateSecret(secretAlgo);
}
for (int q = 0; q < numParties - 1; q++) {
if (!Arrays.equals(sKeys[q].getEncoded(), sKeys[q + 1].getEncoded())) {
return false;
}
}
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
public static boolean runTest(String algo, int numParties, String secretAlgo) {
KAParticipant[] parties = new KAParticipant[numParties];
Key[] keyArchives = new Key[numParties];
try {
// generate AlogirhtmParameterSpec
AlgorithmParameterGenerator apg = AlgorithmParameterGenerator.getInstance("DH","SunJCE");
AlgorithmParameterSpec aps = new DHGenParameterSpec(512, 64);
apg.init(aps);
DHParameterSpec spec = apg.generateParameters().
getParameterSpec(DHParameterSpec.class);
//initilize all KeyAgreement participants
for (int i = 0; i < numParties; i++) {
parties[i] = new KAParticipant(PA_NAMES[i], algo);
parties[i].initialize(spec);
keyArchives[i] = parties[i].getPublicKey();
}
// Do all phases in the KeyAgreement for all participants
Key[] keyBuffer = new Key[numParties];
boolean lastPhase = false;
for (int j = 0; j < numParties - 1; j++) {
if (j == numParties - 2) {
lastPhase = true;
}
for (int k = 0; k < numParties; k++) {
if (k == numParties - 1) {
keyBuffer[k] = parties[k].doPhase(keyArchives[0], lastPhase);
} else {
keyBuffer[k] = parties[k].doPhase(keyArchives[k + 1], lastPhase);
}
}
System.arraycopy(keyBuffer, 0, keyArchives, 0, numParties);
}
//Comparison: The secret keys generated by all involved parties should be the same
SecretKey[] sKeys = new SecretKey[numParties];
for (int n = 0; n < numParties; n++) {
sKeys[n] = parties[n].generateSecret(secretAlgo);
}
for (int q = 0; q < numParties - 1; q++) {
if (!Arrays.equals(sKeys[q].getEncoded(), sKeys[q + 1].getEncoded())) {
return false;
}
}
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
public static boolean runTest(String algo, int numParties, String secretAlgo) {
KAParticipant[] parties = new KAParticipant[numParties];
Key[] keyArchives = new Key[numParties];
try {
// generate AlogirhtmParameterSpec
AlgorithmParameterGenerator apg = AlgorithmParameterGenerator.getInstance("DH","SunJCE");
AlgorithmParameterSpec aps = new DHGenParameterSpec(512, 64);
apg.init(aps);
DHParameterSpec spec = apg.generateParameters().
getParameterSpec(DHParameterSpec.class);
//initilize all KeyAgreement participants
for (int i = 0; i < numParties; i++) {
parties[i] = new KAParticipant(PA_NAMES[i], algo);
parties[i].initialize(spec);
keyArchives[i] = parties[i].getPublicKey();
}
// Do all phases in the KeyAgreement for all participants
Key[] keyBuffer = new Key[numParties];
boolean lastPhase = false;
for (int j = 0; j < numParties - 1; j++) {
if (j == numParties - 2) {
lastPhase = true;
}
for (int k = 0; k < numParties; k++) {
if (k == numParties - 1) {
keyBuffer[k] = parties[k].doPhase(keyArchives[0], lastPhase);
} else {
keyBuffer[k] = parties[k].doPhase(keyArchives[k + 1], lastPhase);
}
}
System.arraycopy(keyBuffer, 0, keyArchives, 0, numParties);
}
//Comparison: The secret keys generated by all involved parties should be the same
SecretKey[] sKeys = new SecretKey[numParties];
for (int n = 0; n < numParties; n++) {
sKeys[n] = parties[n].generateSecret(secretAlgo);
}
for (int q = 0; q < numParties - 1; q++) {
if (!Arrays.equals(sKeys[q].getEncoded(), sKeys[q + 1].getEncoded())) {
return false;
}
}
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
public static boolean runTest(String algo, int numParties, String secretAlgo) {
KAParticipant[] parties = new KAParticipant[numParties];
Key[] keyArchives = new Key[numParties];
try {
// generate AlogirhtmParameterSpec
AlgorithmParameterGenerator apg = AlgorithmParameterGenerator.getInstance("DH","SunJCE");
AlgorithmParameterSpec aps = new DHGenParameterSpec(512, 64);
apg.init(aps);
DHParameterSpec spec = apg.generateParameters().
getParameterSpec(DHParameterSpec.class);
//initilize all KeyAgreement participants
for (int i = 0; i < numParties; i++) {
parties[i] = new KAParticipant(PA_NAMES[i], algo);
parties[i].initialize(spec);
keyArchives[i] = parties[i].getPublicKey();
}
// Do all phases in the KeyAgreement for all participants
Key[] keyBuffer = new Key[numParties];
boolean lastPhase = false;
for (int j = 0; j < numParties - 1; j++) {
if (j == numParties - 2) {
lastPhase = true;
}
for (int k = 0; k < numParties; k++) {
if (k == numParties - 1) {
keyBuffer[k] = parties[k].doPhase(keyArchives[0], lastPhase);
} else {
keyBuffer[k] = parties[k].doPhase(keyArchives[k + 1], lastPhase);
}
}
System.arraycopy(keyBuffer, 0, keyArchives, 0, numParties);
}
//Comparison: The secret keys generated by all involved parties should be the same
SecretKey[] sKeys = new SecretKey[numParties];
for (int n = 0; n < numParties; n++) {
sKeys[n] = parties[n].generateSecret(secretAlgo);
}
for (int q = 0; q < numParties - 1; q++) {
if (!Arrays.equals(sKeys[q].getEncoded(), sKeys[q + 1].getEncoded())) {
return false;
}
}
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
public static boolean runTest(String algo, int numParties, String secretAlgo) {
KAParticipant[] parties = new KAParticipant[numParties];
Key[] keyArchives = new Key[numParties];
try {
// generate AlogirhtmParameterSpec
AlgorithmParameterGenerator apg = AlgorithmParameterGenerator.getInstance("DH","SunJCE");
AlgorithmParameterSpec aps = new DHGenParameterSpec(512, 64);
apg.init(aps);
DHParameterSpec spec = apg.generateParameters().
getParameterSpec(DHParameterSpec.class);
//initilize all KeyAgreement participants
for (int i = 0; i < numParties; i++) {
parties[i] = new KAParticipant(PA_NAMES[i], algo);
parties[i].initialize(spec);
keyArchives[i] = parties[i].getPublicKey();
}
// Do all phases in the KeyAgreement for all participants
Key[] keyBuffer = new Key[numParties];
boolean lastPhase = false;
for (int j = 0; j < numParties - 1; j++) {
if (j == numParties - 2) {
lastPhase = true;
}
for (int k = 0; k < numParties; k++) {
if (k == numParties - 1) {
keyBuffer[k] = parties[k].doPhase(keyArchives[0], lastPhase);
} else {
keyBuffer[k] = parties[k].doPhase(keyArchives[k + 1], lastPhase);
}
}
System.arraycopy(keyBuffer, 0, keyArchives, 0, numParties);
}
//Comparison: The secret keys generated by all involved parties should be the same
SecretKey[] sKeys = new SecretKey[numParties];
for (int n = 0; n < numParties; n++) {
sKeys[n] = parties[n].generateSecret(secretAlgo);
}
for (int q = 0; q < numParties - 1; q++) {
if (!Arrays.equals(sKeys[q].getEncoded(), sKeys[q + 1].getEncoded())) {
return false;
}
}
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
public static boolean runTest(String algo, int numParties, String secretAlgo) {
KAParticipant[] parties = new KAParticipant[numParties];
Key[] keyArchives = new Key[numParties];
try {
// generate AlogirhtmParameterSpec
AlgorithmParameterGenerator apg = AlgorithmParameterGenerator.getInstance("DH","SunJCE");
AlgorithmParameterSpec aps = new DHGenParameterSpec(512, 64);
apg.init(aps);
DHParameterSpec spec = apg.generateParameters().
getParameterSpec(DHParameterSpec.class);
//initilize all KeyAgreement participants
for (int i = 0; i < numParties; i++) {
parties[i] = new KAParticipant(PA_NAMES[i], algo);
parties[i].initialize(spec);
keyArchives[i] = parties[i].getPublicKey();
}
// Do all phases in the KeyAgreement for all participants
Key[] keyBuffer = new Key[numParties];
boolean lastPhase = false;
for (int j = 0; j < numParties - 1; j++) {
if (j == numParties - 2) {
lastPhase = true;
}
for (int k = 0; k < numParties; k++) {
if (k == numParties - 1) {
keyBuffer[k] = parties[k].doPhase(keyArchives[0], lastPhase);
} else {
keyBuffer[k] = parties[k].doPhase(keyArchives[k + 1], lastPhase);
}
}
System.arraycopy(keyBuffer, 0, keyArchives, 0, numParties);
}
//Comparison: The secret keys generated by all involved parties should be the same
SecretKey[] sKeys = new SecretKey[numParties];
for (int n = 0; n < numParties; n++) {
sKeys[n] = parties[n].generateSecret(secretAlgo);
}
for (int q = 0; q < numParties - 1; q++) {
if (!Arrays.equals(sKeys[q].getEncoded(), sKeys[q + 1].getEncoded())) {
return false;
}
}
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}
public static boolean runTest(String algo, int numParties, String secretAlgo) {
KAParticipant[] parties = new KAParticipant[numParties];
Key[] keyArchives = new Key[numParties];
try {
// generate AlogirhtmParameterSpec
AlgorithmParameterGenerator apg = AlgorithmParameterGenerator.getInstance("DH","SunJCE");
AlgorithmParameterSpec aps = new DHGenParameterSpec(512, 64);
apg.init(aps);
DHParameterSpec spec = apg.generateParameters().
getParameterSpec(DHParameterSpec.class);
//initilize all KeyAgreement participants
for (int i = 0; i < numParties; i++) {
parties[i] = new KAParticipant(PA_NAMES[i], algo);
parties[i].initialize(spec);
keyArchives[i] = parties[i].getPublicKey();
}
// Do all phases in the KeyAgreement for all participants
Key[] keyBuffer = new Key[numParties];
boolean lastPhase = false;
for (int j = 0; j < numParties - 1; j++) {
if (j == numParties - 2) {
lastPhase = true;
}
for (int k = 0; k < numParties; k++) {
if (k == numParties - 1) {
keyBuffer[k] = parties[k].doPhase(keyArchives[0], lastPhase);
} else {
keyBuffer[k] = parties[k].doPhase(keyArchives[k + 1], lastPhase);
}
}
System.arraycopy(keyBuffer, 0, keyArchives, 0, numParties);
}
//Comparison: The secret keys generated by all involved parties should be the same
SecretKey[] sKeys = new SecretKey[numParties];
for (int n = 0; n < numParties; n++) {
sKeys[n] = parties[n].generateSecret(secretAlgo);
}
for (int q = 0; q < numParties - 1; q++) {
if (!Arrays.equals(sKeys[q].getEncoded(), sKeys[q + 1].getEncoded())) {
return false;
}
}
return true;
} catch (Exception ex) {
ex.printStackTrace();
return false;
}
}