本文整理汇总了Java中java.security.spec.DSAGenParameterSpec类的典型用法代码示例。如果您正苦于以下问题：Java DSAGenParameterSpec类的具体用法？Java DSAGenParameterSpec怎么用？Java DSAGenParameterSpec使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DSAGenParameterSpec类属于java.security.spec包，在下文中一共展示了DSAGenParameterSpec类的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: engineInit
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
/**
* Initializes this parameter generator with a set of
* algorithm-specific parameter generation values.
*
* @param genParamSpec the set of algorithm-specific 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 DSAGenParameterSpec)) {
throw new InvalidAlgorithmParameterException("Invalid parameter");
}
DSAGenParameterSpec dsaGenParams = (DSAGenParameterSpec) genParamSpec;
int primePLen = dsaGenParams.getPrimePLength();
if (primePLen > 2048) {
throw new InvalidParameterException
("No support for prime size " + primePLen);
}
// directly initialize using the already validated values
this.valueL = primePLen;
this.valueN = dsaGenParams.getSubprimeQLength();
this.seedLen = dsaGenParams.getSeedLength();
this.random = random;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:29，代码来源:DSAParameterGenerator.java
示例2: engineInit
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
/**
* Initializes this parameter generator with a set of
* algorithm-specific parameter generation values.
*
* @param genParamSpec the set of algorithm-specific 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 DSAGenParameterSpec)) {
throw new InvalidAlgorithmParameterException("Invalid parameter");
}
DSAGenParameterSpec dsaGenParams = (DSAGenParameterSpec)genParamSpec;
// directly initialize using the already validated values
this.valueL = dsaGenParams.getPrimePLength();
this.valueN = dsaGenParams.getSubprimeQLength();
this.seedLen = dsaGenParams.getSeedLength();
this.random = random;
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:27，代码来源:DSAParameterGenerator.java
示例3: testDSAGenParameterSpec
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
private static void testDSAGenParameterSpec(DataTuple dataTuple)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidParameterSpecException, InvalidAlgorithmParameterException {
System.out.printf("Test case: primePLen=%d, " + "subprimeQLen=%d%n",
dataTuple.primePLen, dataTuple.subprimeQLen);
AlgorithmParameterGenerator apg
= AlgorithmParameterGenerator.getInstance(ALGORITHM_NAME,
PROVIDER_NAME);
DSAGenParameterSpec genParamSpec = createGenParameterSpec(dataTuple);
// genParamSpec will be null if IllegalAE is thrown when expected.
if (genParamSpec == null) {
return;
}
try {
apg.init(genParamSpec, null);
AlgorithmParameters param = apg.generateParameters();
checkParam(param, genParamSpec);
System.out.println("Test case passed");
} catch (InvalidParameterException ipe) {
throw new RuntimeException("Test case failed.", ipe);
}
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:27，代码来源:TestDSAGenParameterSpec.java
示例4: checkParamStrength
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
private static void checkParamStrength(AlgorithmParameters param,
DSAGenParameterSpec genParam)
throws Exception {
String algo = param.getAlgorithm();
if (!algo.equalsIgnoreCase("DSA")) {
throw new RuntimeException("Unexpected type of parameters: " + algo);
}
DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
int valueL = spec.getP().bitLength();
int strength = genParam.getPrimePLength();
if (strength != valueL) {
System.out.println("P: Expected " + strength + " but actual " + valueL);
throw new RuntimeException("Wrong P strength");
}
int valueN = spec.getQ().bitLength();
strength = genParam.getSubprimeQLength();
if (strength != valueN) {
System.out.println("Q: Expected " + strength + " but actual " + valueN);
throw new RuntimeException("Wrong Q strength");
}
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:22，代码来源:TestAlgParameterGenerator.java
示例5: testDSAGenParameterSpec
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
private static void testDSAGenParameterSpec(DataTuple dataTuple)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidParameterSpecException, InvalidAlgorithmParameterException {
System.out.printf("Test case: primePLen=%d, " + "subprimeQLen=%d%n",
dataTuple.primePLen, dataTuple.subprimeQLen);
AlgorithmParameterGenerator apg =
AlgorithmParameterGenerator.getInstance(ALGORITHM_NAME,
PROVIDER_NAME);
DSAGenParameterSpec genParamSpec = createGenParameterSpec(dataTuple);
// genParamSpec will be null if IllegalAE is thrown when expected.
if (genParamSpec == null) {
return;
}
try {
apg.init(genParamSpec, null);
AlgorithmParameters param = apg.generateParameters();
checkParam(param, genParamSpec);
System.out.println("Test case passed");
} catch (InvalidParameterException ipe) {
throw new RuntimeException("Test case failed.", ipe);
}
}
开发者ID:campolake，项目名称:openjdk9，代码行数:27，代码来源:TestDSAGenParameterSpec.java
示例6: engineInit
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
/**
* Initializes this parameter generator with a set of
* algorithm-specific parameter generation values.
*
* @param genParamSpec the set of algorithm-specific 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 DSAGenParameterSpec)) {
throw new InvalidAlgorithmParameterException("Invalid parameter");
}
DSAGenParameterSpec dsaGenParams = (DSAGenParameterSpec)genParamSpec;
int primePLen = dsaGenParams.getPrimePLength();
if (primePLen > 2048) {
throw new InvalidParameterException
("No support for prime size " + primePLen);
}
// directly initialize using the already validated values
this.valueL = primePLen;
this.valueN = dsaGenParams.getSubprimeQLength();
this.seedLen = dsaGenParams.getSeedLength();
this.random = random;
}
开发者ID:ojdkbuild，项目名称:lookaside_java-1.8.0-openjdk，代码行数:30，代码来源:DSAParameterGenerator.java
示例7: testDSAGenParameterSpec
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
private static void testDSAGenParameterSpec(DataTuple dataTuple)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidParameterSpecException, InvalidAlgorithmParameterException {
System.out.printf("Test case: primePLen=%d, " + "subprimeQLen=%d%n",
dataTuple.primePLen, dataTuple.subprimeQLen);
AlgorithmParameterGenerator apg =
AlgorithmParameterGenerator.getInstance(ALGORITHM_NAME,
PROVIDER_NAME);
DSAGenParameterSpec genParamSpec = createGenParameterSpec(dataTuple);
// genParamSpec will be null if IllegalAE is thrown when expected.
if (genParamSpec == null) {
return;
}
try {
apg.init(genParamSpec, null);
AlgorithmParameters param = apg.generateParameters();
checkParam(param, genParamSpec);
System.out.println("Test case passed");
} catch (InvalidParameterException ipe) {
// The DSAGenParameterSpec API support this, but the real
// implementation in SUN doesn't
if (!dataTuple.isSunProviderSupported) {
System.out.println("Test case passed: expected "
+ "InvalidParameterException is caught");
} else {
throw new RuntimeException("Test case failed.", ipe);
}
}
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:34，代码来源:TestDSAGenParameterSpec.java
示例8: checkParam
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
private static void checkParam(AlgorithmParameters param,
DSAGenParameterSpec genParam) throws InvalidParameterSpecException,
NoSuchAlgorithmException, NoSuchProviderException,
InvalidAlgorithmParameterException {
String algorithm = param.getAlgorithm();
if (!algorithm.equalsIgnoreCase(ALGORITHM_NAME)) {
throw new RuntimeException(
"Unexpected type of parameters: " + algorithm);
}
DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
int valueL = spec.getP().bitLength();
int strengthP = genParam.getPrimePLength();
if (strengthP != valueL) {
System.out.printf("P: Expected %d but actual %d%n", strengthP,
valueL);
throw new RuntimeException("Wrong P strength");
}
int valueN = spec.getQ().bitLength();
int strengthQ = genParam.getSubprimeQLength();
if (strengthQ != valueN) {
System.out.printf("Q: Expected %d but actual %d%n", strengthQ,
valueN);
throw new RuntimeException("Wrong Q strength");
}
if (genParam.getSubprimeQLength() != genParam.getSeedLength()) {
System.out.println("Defaut seed length should be the same as Q.");
throw new RuntimeException("Wrong seed length");
}
// use the parameters to generate real DSA keys
KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM_NAME,
PROVIDER_NAME);
keyGen.initialize(spec);
keyGen.generateKeyPair();
}
开发者ID:lambdalab-mirror，项目名称:jdk8u-jdk，代码行数:39，代码来源:TestDSAGenParameterSpec.java
示例9: checkParam
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
private static void checkParam(AlgorithmParameters param,
DSAGenParameterSpec genParam) throws InvalidParameterSpecException,
NoSuchAlgorithmException, NoSuchProviderException,
InvalidAlgorithmParameterException {
String algorithm = param.getAlgorithm();
if (!algorithm.equalsIgnoreCase(ALGORITHM_NAME)) {
throw new RuntimeException(
"Unexpected type of parameters: " + algorithm);
}
DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
int valueL = spec.getP().bitLength();
int strengthP = genParam.getPrimePLength();
if (strengthP != valueL) {
System.out.printf("P: Expected %d but actual %d%n", strengthP,
valueL);
throw new RuntimeException("Wrong P strength");
}
int valueN = spec.getQ().bitLength();
int strengthQ = genParam.getSubprimeQLength();
if (strengthQ != valueN) {
System.out.printf("Q: Expected %d but actual %d%n", strengthQ,
valueN);
throw new RuntimeException("Wrong Q strength");
}
if (genParam.getSubprimeQLength() != genParam.getSeedLength()) {
System.out.println("Defaut seed length should be the same as Q.");
throw new RuntimeException("Wrong seed length");
}
KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM_NAME,
PROVIDER_NAME);
keyGen.initialize(spec);
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:37，代码来源:TestDSAGenParameterSpec.java
示例10: checkParam
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
private static void checkParam(AlgorithmParameters param,
DSAGenParameterSpec genParam) throws InvalidParameterSpecException,
NoSuchAlgorithmException, NoSuchProviderException,
InvalidAlgorithmParameterException {
String algorithm = param.getAlgorithm();
if (!algorithm.equalsIgnoreCase(ALGORITHM_NAME)) {
throw new RuntimeException(
"Unexpected type of parameters: " + algorithm);
}
DSAParameterSpec spec = param.getParameterSpec(DSAParameterSpec.class);
int valueL = spec.getP().bitLength();
int strengthP = genParam.getPrimePLength();
if (strengthP != valueL) {
System.out.printf("P: Expected %d but actual %d%n", strengthP,
valueL);
throw new RuntimeException("Wrong P strength");
}
int valueN = spec.getQ().bitLength();
int strengthQ = genParam.getSubprimeQLength();
if (strengthQ != valueN) {
System.out.printf("Q: Expected %d but actual %d%n", strengthQ,
valueN);
throw new RuntimeException("Wrong Q strength");
}
if (genParam.getSubprimeQLength() != genParam.getSeedLength()) {
System.out.println("Defaut seed length should be the same as Q.");
throw new RuntimeException("Wrong seed length");
}
KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM_NAME,
PROVIDER_NAME);
keyGen.initialize(spec);
}
开发者ID:campolake，项目名称:openjdk9，代码行数:37，代码来源:TestDSAGenParameterSpec.java
示例11: main
import java.security.spec.DSAGenParameterSpec; //导入依赖的package包/类
public static void main(String[] args) throws Exception {
AlgorithmParameterGenerator apg
= AlgorithmParameterGenerator.getInstance("DSA", "SUN");
long start, stop;
// make sure no-init still works
start = System.currentTimeMillis();
AlgorithmParameters param = apg.generateParameters();
stop = System.currentTimeMillis();
System.out.println("Time: " + (stop - start) + " ms.");
checkParamStrength(param, 1024);
// make sure the old model works
int[] strengths = {512, 768, 1024};
for (int sizeP : strengths) {
System.out.println("Generating " + sizeP + "-bit DSA Parameters");
start = System.currentTimeMillis();
apg.init(sizeP);
param = apg.generateParameters();
stop = System.currentTimeMillis();
System.out.println("Time: " + (stop - start) + " ms.");
checkParamStrength(param, sizeP);
}
// now the newer model
DSAGenParameterSpec[] specSet = {
new DSAGenParameterSpec(1024, 160),
new DSAGenParameterSpec(2048, 224),
new DSAGenParameterSpec(2048, 256)
// no support for prime size 3072
// ,new DSAGenParameterSpec(3072, 256)
};
for (DSAGenParameterSpec genParam : specSet) {
System.out.println("Generating (" + genParam.getPrimePLength()
+ ", " + genParam.getSubprimeQLength() + ") DSA Parameters");
start = System.currentTimeMillis();
apg.init(genParam, null);
param = apg.generateParameters();
stop = System.currentTimeMillis();
System.out.println("Time: " + (stop - start) + " ms.");
checkParamStrength(param, genParam);
}
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:45，代码来源:TestAlgParameterGenerator.java
注：本文中的java.security.spec.DSAGenParameterSpec类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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