public void doDecrypt(String encryptText) throws NoSuchAlgorithmException {
RSA encrypt = new RSA();
KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA");
keyPairGen.initialize(1024);
KeyPair keyPair = keyPairGen.generateKeyPair();
RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
// byte[] e = ' &r?
// ????gf??￤?_???(?)Z!-Dl?tA/??rl???`l???????iR?"|$?;D?I???|?F?JH???h???S?)u-?H??"`?M?2?#￠]?￢?6r?(??Y??:?
// b ';
// encrypt.encrypt(publicKey,encryptText.getBytes());
byte[] de = encrypt.decrypt(privateKey, encryptText.getBytes());
// System.out.println("加密:"+encrypt.bytesToString(e));
System.out.println("11111111111111");
System.out.println("解密:" + encrypt.bytesToString(de));
}
public static void main(String[] args) {
try {
RSA encrypt = new RSA(); // 加密对象
String encryptText = "wangkang"; // 需要加密的文本(无法加密中文,好像也有长度限制)
KeyPairGenerator keyPairGen = KeyPairGenerator.getInstance("RSA");
keyPairGen.initialize(1024);
KeyPair keyPair = keyPairGen.generateKeyPair();
// Generate keys
RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
byte[] e = encrypt.encrypt(publicKey, encryptText.getBytes());
byte[] de = encrypt.decrypt(privateKey, e);
System.out.println("加密:" + encrypt.bytesToString(e));
System.out.println("解密:" + encrypt.bytesToString(de));
} catch (Exception e) {
e.printStackTrace();
}
}