0
点赞
收藏
分享

微信扫一扫

DES解密:java.security.InvalidKeyException: Parameters missing

秀儿2020 2022-01-28 阅读 85


DES加密时正常,解密时出错了:

java.security.InvalidKeyException: Parameters missing
at com.sun.crypto.provider.CipherCore.init(CipherCore.java:469)
at com.sun.crypto.provider.DESCipher.engineInit(DESCipher.java:186)
at javax.crypto.Cipher.implInit(Cipher.java:805)
at javax.crypto.Cipher.chooseProvider(Cipher.java:867)
at javax.crypto.Cipher.init(Cipher.java:1252)
at javax.crypto.Cipher.init(Cipher.java:1189)

代码如下:

public static void decrypt()
{
Cipher cipher = decryptCipher = Cipher.getInstance(CIPHER_ALGORITHM);
Key key = CipherDES.generateKey(CdkeyGenerator.PASSWORD);
cipher.init(Cipher.DECRYPT_MODE, key);
byte[] decryptedBytes = cipher.doFinal(validateBytes);
}

解决办法:

错误的参数:String CIPHER_ALGORITHM = "DES/CBC/PKCS5Padding";
正确的参数:String CIPHER_ALGORITHM = "DES/ECB/PKCS5Padding";


举报

相关推荐

0 条评论