package org.bouncycastle.crypto.tls;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.security.SecureRandom;
import java.util.Hashtable;
import org.bouncycastle.crypto.AsymmetricCipherKeyPair;
import org.bouncycastle.crypto.agreement.DHBasicAgreement;
import org.bouncycastle.crypto.generators.DHBasicKeyPairGenerator;
import org.bouncycastle.crypto.params.DHKeyGenerationParameters;
import org.bouncycastle.crypto.params.DHParameters;
import org.bouncycastle.crypto.params.DHPrivateKeyParameters;
import org.bouncycastle.crypto.params.DHPublicKeyParameters;
import org.bouncycastle.util.BigIntegers;
import org.bouncycastle.util.Integers;
import org.bouncycastle.util.encoders.Hex;

/* loaded from: classes6.dex */
public class TlsDHUtils {
    static final BigInteger TWO = BigInteger.valueOf(2);
    public static final Integer EXT_negotiated_ff_dhe_groups = Integers.valueOf(101);
    private static final String draft_ffdhe2432_p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
    static final DHParameters draft_ffdhe2432 = fromSafeP(draft_ffdhe2432_p);
    private static final String draft_ffdhe3072_p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
    static final DHParameters draft_ffdhe3072 = fromSafeP(draft_ffdhe3072_p);
    private static final String draft_ffdhe4096_p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
    static final DHParameters draft_ffdhe4096 = fromSafeP(draft_ffdhe4096_p);
    private static final String draft_ffdhe6144_p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
    static final DHParameters draft_ffdhe6144 = fromSafeP(draft_ffdhe6144_p);
    private static final String draft_ffdhe8192_p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
    static final DHParameters draft_ffdhe8192 = fromSafeP(draft_ffdhe8192_p);

    public static boolean isDHECipherSuite(int i) {
        switch (i) {
            case 17:
            case 18:
            case 19:
            case 20:
            case 21:
            case 22:
            case 45:
            case 50:
            case 51:
            case 56:
            case 57:
            case 64:
            case 68:
            case 69:
            case 103:
            case 106:
            case 107:
            case 135:
            case 136:
            case 142:
            case CipherSuite.TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA /* 143 */:
            case CipherSuite.TLS_DHE_PSK_WITH_AES_128_CBC_SHA /* 144 */:
            case CipherSuite.TLS_DHE_PSK_WITH_AES_256_CBC_SHA /* 145 */:
            case 153:
            case CipherSuite.TLS_DHE_RSA_WITH_SEED_CBC_SHA /* 154 */:
            case 158:
            case CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 /* 159 */:
            case CipherSuite.TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 /* 162 */:
            case CipherSuite.TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 /* 163 */:
            case CipherSuite.TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 /* 170 */:
            case CipherSuite.TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 /* 171 */:
            case CipherSuite.TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 /* 178 */:
            case CipherSuite.TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 /* 179 */:
            case CipherSuite.TLS_DHE_PSK_WITH_NULL_SHA256 /* 180 */:
            case CipherSuite.TLS_DHE_PSK_WITH_NULL_SHA384 /* 181 */:
            case CipherSuite.TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256 /* 189 */:
            case CipherSuite.TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 /* 190 */:
            case CipherSuite.TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256 /* 195 */:
            case CipherSuite.TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 /* 196 */:
            case CipherSuite.TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256 /* 49276 */:
            case CipherSuite.TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 /* 49277 */:
            case CipherSuite.TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256 /* 49280 */:
            case CipherSuite.TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384 /* 49281 */:
            case CipherSuite.TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256 /* 49296 */:
            case CipherSuite.TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384 /* 49297 */:
            case CipherSuite.TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 /* 49302 */:
            case CipherSuite.TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 /* 49303 */:
            case CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM /* 49310 */:
            case CipherSuite.TLS_DHE_RSA_WITH_AES_256_CCM /* 49311 */:
            case CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8 /* 49314 */:
            case CipherSuite.TLS_DHE_RSA_WITH_AES_256_CCM_8 /* 49315 */:
            case CipherSuite.TLS_DHE_PSK_WITH_AES_128_CCM /* 49318 */:
            case CipherSuite.TLS_DHE_PSK_WITH_AES_256_CCM /* 49319 */:
            case CipherSuite.TLS_PSK_DHE_WITH_AES_128_CCM_8 /* 49322 */:
            case CipherSuite.TLS_PSK_DHE_WITH_AES_256_CCM_8 /* 49323 */:
            case CipherSuite.DRAFT_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 /* 52394 */:
            case CipherSuite.DRAFT_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 /* 52397 */:
            case CipherSuite.DRAFT_TLS_DHE_RSA_WITH_AES_128_OCB /* 65280 */:
            case 65281:
            case CipherSuite.DRAFT_TLS_DHE_PSK_WITH_AES_128_OCB /* 65298 */:
            case CipherSuite.DRAFT_TLS_DHE_PSK_WITH_AES_256_OCB /* 65299 */:
                return true;
            default:
                return false;
        }
    }

    public static void writeDHParameter(BigInteger bigInteger, OutputStream outputStream) throws IOException {
        TlsUtils.writeOpaque16(BigIntegers.asUnsignedByteArray(bigInteger), outputStream);
    }

    public static DHPublicKeyParameters validateDHPublicKey(DHPublicKeyParameters dHPublicKeyParameters) throws IOException {
        DHParameters validateDHParameters = validateDHParameters(dHPublicKeyParameters.getParameters());
        BigInteger y = dHPublicKeyParameters.getY();
        BigInteger bigInteger = TWO;
        if (y.compareTo(bigInteger) < 0 || y.compareTo(validateDHParameters.getP().subtract(bigInteger)) > 0) {
            throw new TlsFatalAlert((short) 47);
        }
        return dHPublicKeyParameters;
    }

    public static DHParameters validateDHParameters(DHParameters dHParameters) throws IOException {
        BigInteger p = dHParameters.getP();
        BigInteger g = dHParameters.getG();
        if (!p.isProbablePrime(2)) {
            throw new TlsFatalAlert((short) 47);
        }
        BigInteger bigInteger = TWO;
        if (g.compareTo(bigInteger) < 0 || g.compareTo(p.subtract(bigInteger)) > 0) {
            throw new TlsFatalAlert((short) 47);
        }
        return dHParameters;
    }

    public static short readNegotiatedDHEGroupsServerExtension(byte[] bArr) throws IOException {
        if (bArr == null) {
            throw new IllegalArgumentException("'extensionData' cannot be null");
        }
        if (bArr.length == 1) {
            return TlsUtils.readUint8(bArr, 0);
        }
        throw new TlsFatalAlert((short) 50);
    }

    public static short[] readNegotiatedDHEGroupsClientExtension(byte[] bArr) throws IOException {
        if (bArr == null) {
            throw new IllegalArgumentException("'extensionData' cannot be null");
        }
        ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bArr);
        short readUint8 = TlsUtils.readUint8(byteArrayInputStream);
        if (readUint8 <= 0) {
            throw new TlsFatalAlert((short) 50);
        }
        short[] readUint8Array = TlsUtils.readUint8Array(readUint8, byteArrayInputStream);
        TlsProtocol.assertEmpty(byteArrayInputStream);
        return readUint8Array;
    }

    public static BigInteger readDHParameter(InputStream inputStream) throws IOException {
        return new BigInteger(1, TlsUtils.readOpaque16(inputStream));
    }

    public static DHParameters getParametersForDHEGroup(short s) {
        if (s == 0) {
            return draft_ffdhe2432;
        }
        if (s == 1) {
            return draft_ffdhe3072;
        }
        if (s == 2) {
            return draft_ffdhe4096;
        }
        if (s == 3) {
            return draft_ffdhe6144;
        }
        if (s != 4) {
            return null;
        }
        return draft_ffdhe8192;
    }

    public static short getNegotiatedDHEGroupsServerExtension(Hashtable hashtable) throws IOException {
        byte[] extensionData = TlsUtils.getExtensionData(hashtable, EXT_negotiated_ff_dhe_groups);
        if (extensionData == null) {
            return (short) -1;
        }
        return readNegotiatedDHEGroupsServerExtension(extensionData);
    }

    public static short[] getNegotiatedDHEGroupsClientExtension(Hashtable hashtable) throws IOException {
        byte[] extensionData = TlsUtils.getExtensionData(hashtable, EXT_negotiated_ff_dhe_groups);
        if (extensionData == null) {
            return null;
        }
        return readNegotiatedDHEGroupsClientExtension(extensionData);
    }

    public static DHPrivateKeyParameters generateEphemeralServerKeyExchange(SecureRandom secureRandom, DHParameters dHParameters, OutputStream outputStream) throws IOException {
        AsymmetricCipherKeyPair generateDHKeyPair = generateDHKeyPair(secureRandom, dHParameters);
        new ServerDHParams((DHPublicKeyParameters) generateDHKeyPair.getPublic()).encode(outputStream);
        return (DHPrivateKeyParameters) generateDHKeyPair.getPrivate();
    }

    public static DHPrivateKeyParameters generateEphemeralClientKeyExchange(SecureRandom secureRandom, DHParameters dHParameters, OutputStream outputStream) throws IOException {
        AsymmetricCipherKeyPair generateDHKeyPair = generateDHKeyPair(secureRandom, dHParameters);
        writeDHParameter(((DHPublicKeyParameters) generateDHKeyPair.getPublic()).getY(), outputStream);
        return (DHPrivateKeyParameters) generateDHKeyPair.getPrivate();
    }

    public static AsymmetricCipherKeyPair generateDHKeyPair(SecureRandom secureRandom, DHParameters dHParameters) {
        DHBasicKeyPairGenerator dHBasicKeyPairGenerator = new DHBasicKeyPairGenerator();
        dHBasicKeyPairGenerator.init(new DHKeyGenerationParameters(secureRandom, dHParameters));
        return dHBasicKeyPairGenerator.generateKeyPair();
    }

    private static DHParameters fromSafeP(String str) {
        BigInteger fromHex = fromHex(str);
        return new DHParameters(fromHex, TWO, fromHex.shiftRight(1));
    }

    private static BigInteger fromHex(String str) {
        return new BigInteger(1, Hex.decode(str));
    }

    public static byte[] createNegotiatedDHEGroupsServerExtension(short s) throws IOException {
        TlsUtils.checkUint8(s);
        byte[] bArr = new byte[1];
        TlsUtils.writeUint8(s, bArr, 0);
        return bArr;
    }

    public static byte[] createNegotiatedDHEGroupsClientExtension(short[] sArr) throws IOException {
        if (sArr == null || sArr.length <= 0 || sArr.length > 255) {
            throw new TlsFatalAlert((short) 80);
        }
        return TlsUtils.encodeUint8ArrayWithUint8Length(sArr);
    }

    public static boolean containsDHECipherSuites(int[] iArr) {
        for (int i : iArr) {
            if (isDHECipherSuite(i)) {
                return true;
            }
        }
        return false;
    }

    public static byte[] calculateDHBasicAgreement(DHPublicKeyParameters dHPublicKeyParameters, DHPrivateKeyParameters dHPrivateKeyParameters) {
        DHBasicAgreement dHBasicAgreement = new DHBasicAgreement();
        dHBasicAgreement.init(dHPrivateKeyParameters);
        return BigIntegers.asUnsignedByteArray(dHBasicAgreement.calculateAgreement(dHPublicKeyParameters));
    }

    public static boolean areCompatibleParameters(DHParameters dHParameters, DHParameters dHParameters2) {
        return dHParameters.getP().equals(dHParameters2.getP()) && dHParameters.getG().equals(dHParameters2.getG()) && (dHParameters.getQ() == null || dHParameters2.getQ() == null || dHParameters.getQ().equals(dHParameters2.getQ()));
    }

    public static void addNegotiatedDHEGroupsServerExtension(Hashtable hashtable, short s) throws IOException {
        hashtable.put(EXT_negotiated_ff_dhe_groups, createNegotiatedDHEGroupsServerExtension(s));
    }

    public static void addNegotiatedDHEGroupsClientExtension(Hashtable hashtable, short[] sArr) throws IOException {
        hashtable.put(EXT_negotiated_ff_dhe_groups, createNegotiatedDHEGroupsClientExtension(sArr));
    }
}