Java签名getAlgorithm()方法与示例
可以使用getAlgorithm()类java.security.Signature中的方法获得签名对象的算法名称。
现在让我们看一个例子-
示例
import java.security.*;
import java.util.*;
public class Main {
public static void main(String[] argv) {
try {
Signature signature = Signature.getInstance("SHA256withRSA");
String algorithm = signature.getAlgorithm();
System.out.println("The Algorithm = " + algorithm);
} catch (NoSuchAlgorithmException e) {
System.out.println("Error!! NoSuchAlgorithmException");
}
}
}输出结果
The Algorithm = SHA256withRSA
现在让我们来看另一个示例-
示例
import java.security.*;
import java.util.*;
public class Main {
public static void main(String[] argv) {
try {
Signature signature = Signature.getInstance("SHA1withDSA");
String algorithm = signature.getAlgorithm();
System.out.println("The Algorithm = " + algorithm);
} catch (NoSuchAlgorithmException e) {
System.out.println("Error!! NoSuchAlgorithmException");
}
}
}输出结果
The Algorithm = SHA1withDSA
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