what-the-bank/sources/org/bouncycastle/jcajce/provider/asymmetric/util/BaseCipherSpi.java

package org.bouncycastle.jcajce.provider.asymmetric.util;

import java.security.AlgorithmParameters;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.PrivateKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import javax.crypto.BadPaddingException;
import javax.crypto.CipherSpi;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.PBEParameterSpec;
import javax.crypto.spec.RC2ParameterSpec;
import javax.crypto.spec.RC5ParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.bouncycastle.asn1.pkcs.PrivateKeyInfo;
import org.bouncycastle.crypto.InvalidCipherTextException;
import org.bouncycastle.crypto.Wrapper;
import org.bouncycastle.jcajce.util.BCJcaJceHelper;
import org.bouncycastle.jcajce.util.JcaJceHelper;
import org.bouncycastle.jce.provider.BouncyCastleProvider;

/* loaded from: classes6.dex */
public abstract class BaseCipherSpi extends CipherSpi {
    private byte[] iv;
    private int ivSize;
    private Class[] availableSpecs = {IvParameterSpec.class, PBEParameterSpec.class, RC2ParameterSpec.class, RC5ParameterSpec.class};
    private final JcaJceHelper helper = new BCJcaJceHelper();
    protected AlgorithmParameters engineParams = null;
    protected Wrapper wrapEngine = null;

    @Override // javax.crypto.CipherSpi
    protected int engineGetBlockSize() {
        return 0;
    }

    @Override // javax.crypto.CipherSpi
    protected byte[] engineGetIV() {
        return null;
    }

    @Override // javax.crypto.CipherSpi
    protected int engineGetOutputSize(int i) {
        return -1;
    }

    @Override // javax.crypto.CipherSpi
    protected AlgorithmParameters engineGetParameters() {
        return null;
    }

    @Override // javax.crypto.CipherSpi
    protected byte[] engineWrap(Key key) throws IllegalBlockSizeException, InvalidKeyException {
        byte[] encoded = key.getEncoded();
        if (encoded == null) {
            throw new InvalidKeyException("Cannot wrap key, null encoding.");
        }
        try {
            Wrapper wrapper = this.wrapEngine;
            return wrapper == null ? engineDoFinal(encoded, 0, encoded.length) : wrapper.wrap(encoded, 0, encoded.length);
        } catch (BadPaddingException e) {
            throw new IllegalBlockSizeException(e.getMessage());
        }
    }

    @Override // javax.crypto.CipherSpi
    protected Key engineUnwrap(byte[] bArr, String str, int i) throws InvalidKeyException {
        try {
            Wrapper wrapper = this.wrapEngine;
            byte[] engineDoFinal = wrapper == null ? engineDoFinal(bArr, 0, bArr.length) : wrapper.unwrap(bArr, 0, bArr.length);
            if (i == 3) {
                return new SecretKeySpec(engineDoFinal, str);
            }
            if (str.equals("") && i == 2) {
                try {
                    PrivateKeyInfo privateKeyInfo = PrivateKeyInfo.getInstance(engineDoFinal);
                    PrivateKey privateKey = BouncyCastleProvider.getPrivateKey(privateKeyInfo);
                    if (privateKey != null) {
                        return privateKey;
                    }
                    StringBuilder sb = new StringBuilder("algorithm ");
                    sb.append(privateKeyInfo.getPrivateKeyAlgorithm().getAlgorithm());
                    sb.append(" not supported");
                    throw new InvalidKeyException(sb.toString());
                } catch (Exception unused) {
                    throw new InvalidKeyException("Invalid key encoding.");
                }
            }
            try {
                KeyFactory createKeyFactory = this.helper.createKeyFactory(str);
                if (i == 1) {
                    return createKeyFactory.generatePublic(new X509EncodedKeySpec(engineDoFinal));
                }
                if (i == 2) {
                    return createKeyFactory.generatePrivate(new PKCS8EncodedKeySpec(engineDoFinal));
                }
                throw new InvalidKeyException("Unknown key type ".concat(String.valueOf(i)));
            } catch (NoSuchAlgorithmException e) {
                StringBuilder sb2 = new StringBuilder("Unknown key type ");
                sb2.append(e.getMessage());
                throw new InvalidKeyException(sb2.toString());
            } catch (NoSuchProviderException e2) {
                StringBuilder sb3 = new StringBuilder("Unknown key type ");
                sb3.append(e2.getMessage());
                throw new InvalidKeyException(sb3.toString());
            } catch (InvalidKeySpecException e3) {
                StringBuilder sb4 = new StringBuilder("Unknown key type ");
                sb4.append(e3.getMessage());
                throw new InvalidKeyException(sb4.toString());
            }
        } catch (BadPaddingException e4) {
            throw new InvalidKeyException(e4.getMessage());
        } catch (IllegalBlockSizeException e5) {
            throw new InvalidKeyException(e5.getMessage());
        } catch (InvalidCipherTextException e6) {
            throw new InvalidKeyException(e6.getMessage());
        }
    }

    @Override // javax.crypto.CipherSpi
    protected void engineSetPadding(String str) throws NoSuchPaddingException {
        StringBuilder sb = new StringBuilder("Padding ");
        sb.append(str);
        sb.append(" unknown.");
        throw new NoSuchPaddingException(sb.toString());
    }

    @Override // javax.crypto.CipherSpi
    protected void engineSetMode(String str) throws NoSuchAlgorithmException {
        throw new NoSuchAlgorithmException("can't support mode ".concat(String.valueOf(str)));
    }

    @Override // javax.crypto.CipherSpi
    protected int engineGetKeySize(Key key) {
        return key.getEncoded().length;
    }

    /* JADX INFO: Access modifiers changed from: protected */
    public final AlgorithmParameters createParametersInstance(String str) throws NoSuchAlgorithmException, NoSuchProviderException {
        return this.helper.createAlgorithmParameters(str);
    }
}