【文件属性】：
文件名称：RSA算法Java实现
文件大小：7KB
文件格式：ZIP
更新时间：2022-04-12 10:13:46
加密算法 RSA练习
public static void decrypt() throws Exception {
// 读取密文
BufferedReader in =
new BufferedReader(
new InputStreamReader(new FileInputStream("encrypt.dat")));
String ctext = in.readLine();
BigInteger c = new BigInteger(ctext);
// 读取私钥
FileInputStream f = new FileInputStream("privatekey.dat");
ObjectInputStream b = new ObjectInputStream(f);
RSAPrivateKey prk = (RSAPrivateKey) b.readObject();
BigInteger d = prk.getPrivateExponent();
// 获取私钥参数及解密
BigInteger n = prk.getModulus();
System.out.println("d= " + d);
System.out.println("n= " + n);
BigInteger m = c.modPow(d, n);
// 显示解密结果
System.out.println("密文m= " + m);
PrintWriter out =new PrintWriter("E:\\miwen.txt","UTF-8");
【文件预览】：
RSA
----privatekey.dat(894B)
----bin()
--------RSA.class(5KB)
----encrypt.dat(307B)
----.settings()
--------org.eclipse.jdt.core.prefs(598B)
----src()
--------RSA.java(4KB)
----.project(379B)
----pubkey.dat(419B)
----.classpath(301B)