java.security.AlgorithmParameterGenerator类的getProvider()方法用于返回此算法参数生成器对象的提供者。
用法:
public final Provider getProvider()
返回值:此方法返回此算法参数生成器对象的提供者。
下面是说明getProvider()方法的示例:
示例1:对于算法DSA
// Java program to demonstrate
// getAlgorithm() method
import java.security.*;
import java.util.*;
public class GFG1 {
public static void main(String[] argv)
{
try {
// creating the object of
// AlgorithmParameterGenerator
// and getting instance
// using getInstance() method
AlgorithmParameterGenerator
sr
= AlgorithmParameterGenerator
.getInstance("DSA");
// initializing the AlgorithmParameterGenerator
// with 1024 using initialize() method
sr.init(1024);
// genrating the Parameters
// using getAlgorithm() method
Provider pro = sr.getProvider();
// printing the string algo
System.out.println("Provider : " + pro);
}
catch (NoSuchAlgorithmException e) {
System.out.println("Exception thrown : " + e);
}
catch (ProviderException e) {
System.out.println("Exception thrown : " + e);
}
}
}
输出:
Provider : SUN version 1.8
示例2:对于算法DiffieHellman
// Java program to demonstrate
// getAlgorithm() method
import java.security.*;
import java.util.*;
public class GFG1 {
public static void main(String[] argv)
{
try {
// creating the object of
// AlgorithmParameterGenerator
// and getting instance
// using getInstance() method
AlgorithmParameterGenerator
sr
= AlgorithmParameterGenerator
.getInstance("DiffieHellman");
// initializing the AlgorithmParameterGenerator
// with 1024 using initialize() method
sr.init(1024);
// genrating the Parameters
// using getAlgorithm() method
Provider pro = sr.getProvider();
// printing the string algo
System.out.println("Provider : " + pro);
}
catch (NoSuchAlgorithmException e) {
System.out.println("Exception thrown : " + e);
}
catch (ProviderException e) {
System.out.println("Exception thrown : " + e);
}
}
}
输出:
Provider : SunJCE version 1.8
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注:本文由纯净天空筛选整理自RohitPrasad3大神的英文原创作品 AlgorithmParameterGenerator getProvider() method in Java with Examples。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。