Java 安全性中的addProvider方法返回未定义的
我正在尝试使用Java 安全性中的addProvider方法返回未定义的,java,android,Java,Android,我正在尝试使用addProvider方法,虽然导入了import java.security.security,但它似乎未定义 package com.example.fingerprient2; import java.security.KeyFactory; import java.security.KeyPair; import java.security.KeyPairGenerator; import java.security.KeyStore; import java.securi
addProvider
方法,虽然导入了import java.security.security,但它似乎未定义代码>
package com.example.fingerprient2;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.KeyStore;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.Signature;
import java.security.Security;
import java.security.interfaces.ECPublicKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.X509EncodedKeySpec;
import java.util.Arrays;
import java.security.Security;
import org.bouncycastle.jcajce.BCFKSLoadStoreParameter;
import org.bouncycastle.jce.ECNamedCurveTable;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.jce.spec.ECParameterSpec;
import android.security.keystore.KeyProperties;
import javax.crypto.KeyGenerator;
public class EnCryptor {
Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
KeyPairGenerator kpg = KeyPairGenerator.getInstance(
KeyProperties.KEY_ALGORITHM_EC, "AndroidKeyStore");
KeyGenerator keyGenerator =KeyGenerator.getInstance(KeyProperties.KEY_ALGORITHM_EC ,"AndroidKeyStore");
}
有什么帮助可以知道为什么addProvider没有出现吗?因为您不在可以调用方法的范围内。需要从函数或初始值设定项调用它:
public class Encryptor {
public void initialize() {
Security.addProvider(new BouncyCastleProvider());
}
}
非常感谢,问题已经解决了。但是我在KeyPairGenerator kpg=KeyPairGenerator.getInstance(KeyProperties.KEY_ALGORITHM_AES,“AndroidKeyStore”)中有另一个错误;错误是:未处理的异常:java.security.NoSuchAlgorithmException,java.security.NoSuchProviderException