Java Signature getAlgorithm()方法及其示例

这个 getAlgorithm() 方法 JAVA安全签名 类用于返回此签名对象的算法名称。 语法:

null
public final String getAlgorithm()

返回值: 此方法返回此签名对象的算法名称。 下面是演示getAlgorithm()方法的示例: 例1:

JAVA

// 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 Signature
Signature sr = Signature.getInstance( "SHA1withDSA" );
// getting the Algorithm
// by using method getAlgorithm()
String algo = sr.getAlgorithm();
// printing the string algo
System.out.println( "Algorithm: " + algo);
}
catch (NoSuchAlgorithmException e) {
System.out.println( "Exception thrown : " + e);
}
}
}


输出:

Algorithm: SHA1withDSA

例2:

JAVA

// 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 Signature
Signature sr = Signature.getInstance( "NONEwithDSA" );
// getting the Algorithm
// by using method getAlgorithm()
String algo = sr.getAlgorithm();
// printing the string algo
System.out.println( "Algorithm: " + algo);
}
catch (NoSuchAlgorithmException e) {
System.out.println( "Exception thrown : " + e);
}
}
}


输出:

Algorithm: NONEwithDSA

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