what-the-bank/sources/org/bouncycastle/jcajce/provider/symmetric/GOST28147.java

package org.bouncycastle.jcajce.provider.symmetric;

import java.security.AlgorithmParameters;
import java.security.InvalidAlgorithmParameterException;
import java.security.SecureRandom;
import java.security.spec.AlgorithmParameterSpec;
import javax.crypto.spec.IvParameterSpec;
import org.bouncycastle.asn1.cryptopro.CryptoProObjectIdentifiers;
import org.bouncycastle.crypto.BufferedBlockCipher;
import org.bouncycastle.crypto.CipherKeyGenerator;
import org.bouncycastle.crypto.engines.GOST28147Engine;
import org.bouncycastle.crypto.macs.GOST28147Mac;
import org.bouncycastle.crypto.modes.CBCBlockCipher;
import org.bouncycastle.crypto.modes.GCFBBlockCipher;
import org.bouncycastle.jcajce.provider.config.ConfigurableProvider;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseAlgorithmParameterGenerator;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseKeyGenerator;
import org.bouncycastle.jcajce.provider.symmetric.util.BaseMac;
import org.bouncycastle.jcajce.provider.symmetric.util.IvAlgorithmParameters;
import org.bouncycastle.jcajce.provider.util.AlgorithmProvider;

/* loaded from: classes6.dex */
public final class GOST28147 {

    /* loaded from: classes6.dex */
    public static class AlgParamGen extends BaseAlgorithmParameterGenerator {
        @Override // java.security.AlgorithmParameterGeneratorSpi
        protected void engineInit(AlgorithmParameterSpec algorithmParameterSpec, SecureRandom secureRandom) throws InvalidAlgorithmParameterException {
            throw new InvalidAlgorithmParameterException("No supported AlgorithmParameterSpec for GOST28147 parameter generation.");
        }

        @Override // java.security.AlgorithmParameterGeneratorSpi
        protected AlgorithmParameters engineGenerateParameters() {
            byte[] bArr = new byte[16];
            if (this.random == null) {
                this.random = new SecureRandom();
            }
            this.random.nextBytes(bArr);
            try {
                AlgorithmParameters createParametersInstance = createParametersInstance("GOST28147");
                createParametersInstance.init(new IvParameterSpec(bArr));
                return createParametersInstance;
            } catch (Exception e) {
                throw new RuntimeException(e.getMessage());
            }
        }
    }

    /* loaded from: classes6.dex */
    public static class Mappings extends AlgorithmProvider {
        private static final String PREFIX = GOST28147.class.getName();

        @Override // org.bouncycastle.jcajce.provider.util.AlgorithmProvider
        public void configure(ConfigurableProvider configurableProvider) {
            StringBuilder sb = new StringBuilder();
            String str = PREFIX;
            sb.append(str);
            sb.append("$ECB");
            configurableProvider.addAlgorithm("Cipher.GOST28147", sb.toString());
            configurableProvider.addAlgorithm("Alg.Alias.Cipher.GOST", "GOST28147");
            configurableProvider.addAlgorithm("Alg.Alias.Cipher.GOST-28147", "GOST28147");
            StringBuilder sb2 = new StringBuilder("Cipher.");
            sb2.append(CryptoProObjectIdentifiers.gostR28147_gcfb);
            String obj = sb2.toString();
            StringBuilder sb3 = new StringBuilder();
            sb3.append(str);
            sb3.append("$GCFB");
            configurableProvider.addAlgorithm(obj, sb3.toString());
            StringBuilder sb4 = new StringBuilder();
            sb4.append(str);
            sb4.append("$KeyGen");
            configurableProvider.addAlgorithm("KeyGenerator.GOST28147", sb4.toString());
            configurableProvider.addAlgorithm("Alg.Alias.KeyGenerator.GOST", "GOST28147");
            configurableProvider.addAlgorithm("Alg.Alias.KeyGenerator.GOST-28147", "GOST28147");
            StringBuilder sb5 = new StringBuilder("Alg.Alias.KeyGenerator.");
            sb5.append(CryptoProObjectIdentifiers.gostR28147_gcfb);
            configurableProvider.addAlgorithm(sb5.toString(), "GOST28147");
            StringBuilder sb6 = new StringBuilder();
            sb6.append(str);
            sb6.append("$Mac");
            configurableProvider.addAlgorithm("Mac.GOST28147MAC", sb6.toString());
            configurableProvider.addAlgorithm("Alg.Alias.Mac.GOST28147", "GOST28147MAC");
        }
    }

    /* loaded from: classes6.dex */
    public static class AlgParams extends IvAlgorithmParameters {
        @Override // org.bouncycastle.jcajce.provider.symmetric.util.IvAlgorithmParameters, java.security.AlgorithmParametersSpi
        public String engineToString() {
            return "GOST IV";
        }
    }

    /* loaded from: classes6.dex */
    public static class KeyGen extends BaseKeyGenerator {
        public KeyGen(int i) {
            super("GOST28147", i, new CipherKeyGenerator());
        }

        public KeyGen() {
            this(256);
        }
    }

    /* loaded from: classes6.dex */
    public static class CBC extends BaseBlockCipher {
        public CBC() {
            super(new CBCBlockCipher(new GOST28147Engine()), 64);
        }
    }

    /* loaded from: classes6.dex */
    public static class ECB extends BaseBlockCipher {
        public ECB() {
            super(new GOST28147Engine());
        }
    }

    /* loaded from: classes6.dex */
    public static class GCFB extends BaseBlockCipher {
        public GCFB() {
            super(new BufferedBlockCipher(new GCFBBlockCipher(new GOST28147Engine())), 64);
        }
    }

    /* loaded from: classes6.dex */
    public static class Mac extends BaseMac {
        public Mac() {
            super(new GOST28147Mac());
        }
    }

    private GOST28147() {
    }
}