我试图使用从密钥库加载的DES密钥来加密和我得到:集和java.security.KeyStore中的PKCS11获得DES密钥
Exception in thread "main" java.security.InvalidKeyException: No installed provider supports this key: sun.security.pkcs11.P11Key$P11SecretKey
at javax.crypto.Cipher.chooseProvider(Cipher.java:878)
at javax.crypto.Cipher.init(Cipher.java:1213)
at javax.crypto.Cipher.init(Cipher.java:1153)
,这是我的代码:
public static void main(String[] args) throws KeyStoreException, NoSuchAlgorithmException, UnrecoverableKeyException, IllegalBlockSizeException, InvalidKeyException, BadPaddingException, NoSuchPaddingException, IOException, CertificateException {
Provider provider = new sun.security.pkcs11.SunPKCS11(DesSaveLoad.class.getClassLoader().getResourceAsStream("pkcs11.cfg"));
Security.removeProvider(provider.getName());
Security.insertProviderAt(provider, 1);
KeyStore keyStore = KeyStore.getInstance("PKCS11", provider);
keyStore.load(null, null);
SecretKey desKey = desGenerateKey();
keyStore.setKeyEntry("t1", desKey, null, null);
SecretKey t1 = (SecretKey) keyStore.getKey("t1", null);
byte[] messageBytes = "message".getBytes();
desEncrypt(messageBytes, 0, messageBytes.length, desKey);
desEncrypt(messageBytes, 0, messageBytes.length, t1); //Exception is thrown here
}
public static SecretKey desGenerateKey() throws NoSuchAlgorithmException {
KeyGenerator keygenerator = null;
keygenerator = KeyGenerator.getInstance("DES");
return keygenerator.generateKey();
}
public static byte[] desEncrypt(byte[] plainText, int offset, int size, SecretKey key) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeyException, BadPaddingException, IllegalBlockSizeException {
Cipher cipher;
if (size % 8 != 0) {
cipher = Cipher.getInstance("DES/ECB/PKCS5Padding");
} else {
cipher = Cipher.getInstance("DES/ECB/NoPadding");
}
cipher.init(Cipher.ENCRYPT_MODE, key);
return cipher.doFinal(plainText, offset, size);
}
正如你所看到的,使用生成的DES密钥进行加密时不会引发异常。
当你插入一个供应商的第一个,你可以隐藏默认的Java供应商。这可能是有利的,并会导致像观察到的那样的错误。你是否真的需要在提供者列表的开头插入你的自定义提供者? – Jk1
@ Jk1不正确,那不是自定义提供程序,并且它在延迟提供程序选择方面表现良好(实际上,它触发了延迟提供程序选择)。 –
@owlstead,感谢您的注意。这是一个普通的老式SunPKCS11,我的太糟糕了 – Jk1