写出android中进行rsa加密的代码

以下是实现RSA加密的Android代码：// Generate an RSA keyKeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
kpg.initialize(2048);
KeyPair kp = kpg.genKeyPair();// Get the public and private keysPublicKey publicKey = kp.getPublic();
PrivateKey privateKey = kp.getPrivate();// Encrypt a messageCipher cipher = Cipher.getInstance("RSA");
cipher.init(Cipher.ENCRYPT_MODE, publicKey);
byte[] encryptedBytes = cipher.doFinal("Hello world".getBytes());// Decrypt the messagecipher.init(Cipher.DECRYPT_MODE, privateKey);
byte[] decryptedBytes = cipher.doFinal(encryptedBytes);
String decryptedString = new String(decryptedBytes);

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写出android中进行rsa加密与解密的代码

下面是Android中用于RSA加密和解密的代码：// 加密
PrivateKey privatekey = keyPair.getPrivate();
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.ENCRYPT_MODE, privatekey);
byte[] cipherData = cipher.doFinal(plainData);// 解密
PublicKey publickey = keyPair.getPublic();
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
cipher.init(Cipher.DECRYPT_MODE, publickey);
byte[] plainData = cipher.doFinal(cipherData);