Java 中 KeyFactory getAlgorithm()方法，带示例
原文:https://www . geesforgeks . org/key factory-getalgorithm-method-in-Java-with-examples/
java.security.KeyFactory 类的 getAlgorithm( )方法用于获取与此 KeyFactory 关联的算法的名称。 语法:
public final String getAlgorithm()
返回值:此方法返回与此 KeyFactory 关联的算法的名称。 下面举例说明 getAlgorithm() 方法。 例 1:
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to demonstrate
// getAlgorithm() method
import java.security.*;
import java.util.*;
import java.security.spec.*;
public class GFG1 {
public static void main(String[] argv) throws Exception
{
try {
// creating object of keyfactory
KeyFactory keyFactory = KeyFactory.getInstance("DSA");
// getting the algorithm of KeyFactory
// using getAlgorithm() method
String algo = keyFactory.getAlgorithm();
// printing the algorithm
System.out.println("Algorithm : " + algo);
}
catch (NoSuchAlgorithmException e) {
System.out.println("Exception thrown : " + e);
}
catch (ProviderException e) {
System.out.println("Exception thrown : " + e);
}
}
}
Output
Algorithm : DSA
例 2:
Java 语言(一种计算机语言，尤用于创建网站)
// Java program to demonstrate
// getAlgorithm() method
import java.security.*;
import java.util.*;
import java.security.spec.*;
public class GFG1 {
public static void main(String[] argv) throws Exception
{
try {
// creating object of keyfactory
KeyFactory keyFactory = KeyFactory
.getInstance("DiffieHellman");
// getting the algorithm of KeyFactory
// using getAlgorithm() method
String algo = keyFactory.getAlgorithm();
// printing the algorithm
System.out.println("Algorithm : " + algo);
}
catch (NoSuchAlgorithmException e) {
System.out.println("Exception thrown : " + e);
}
catch (ProviderException e) {
System.out.println("Exception thrown : " + e);
}
}
}
Output
Algorithm : DiffieHellman
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