Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.util.Base64;

import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;

import java.security.interfaces.RSAPublicKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.X509EncodedKeySpec;

public class Main {
    public static RSAPublicKey buildPublicKeyFromBase64String(String key)
            throws InvalidKeySpecException, NoSuchAlgorithmException {
        byte[] byteKey = Base64.decode(key.getBytes(), Base64.NO_WRAP | Base64.URL_SAFE);
        X509EncodedKeySpec X509publicKey = new X509EncodedKeySpec(byteKey);
        KeyFactory kf = KeyFactory.getInstance("RSA");

        return (RSAPublicKey) kf.generatePublic(X509publicKey);
    }
}