70 lines
2.7 KiB
Java
70 lines
2.7 KiB
Java
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package org.bouncycastle.crypto.tls;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.math.BigInteger;
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import java.util.Hashtable;
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import org.bouncycastle.util.BigIntegers;
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import org.bouncycastle.util.Integers;
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/* loaded from: classes6.dex */
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public class TlsSRPUtils {
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public static final Integer EXT_SRP = Integers.valueOf(12);
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public static boolean isSRPCipherSuite(int i) {
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switch (i) {
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case CipherSuite.TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA /* 49178 */:
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case CipherSuite.TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA /* 49179 */:
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case CipherSuite.TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA /* 49180 */:
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case CipherSuite.TLS_SRP_SHA_WITH_AES_128_CBC_SHA /* 49181 */:
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case CipherSuite.TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA /* 49182 */:
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case CipherSuite.TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA /* 49183 */:
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case CipherSuite.TLS_SRP_SHA_WITH_AES_256_CBC_SHA /* 49184 */:
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case CipherSuite.TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA /* 49185 */:
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case CipherSuite.TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA /* 49186 */:
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return true;
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default:
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return false;
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}
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}
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public static void writeSRPParameter(BigInteger bigInteger, OutputStream outputStream) throws IOException {
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TlsUtils.writeOpaque16(BigIntegers.asUnsignedByteArray(bigInteger), outputStream);
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}
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public static BigInteger readSRPParameter(InputStream inputStream) throws IOException {
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return new BigInteger(1, TlsUtils.readOpaque16(inputStream));
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}
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public static byte[] readSRPExtension(byte[] bArr) throws IOException {
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if (bArr == null) {
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throw new IllegalArgumentException("'extensionData' cannot be null");
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}
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ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(bArr);
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byte[] readOpaque8 = TlsUtils.readOpaque8(byteArrayInputStream);
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TlsProtocol.assertEmpty(byteArrayInputStream);
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return readOpaque8;
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}
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public static byte[] getSRPExtension(Hashtable hashtable) throws IOException {
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byte[] extensionData = TlsUtils.getExtensionData(hashtable, EXT_SRP);
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if (extensionData == null) {
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return null;
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}
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return readSRPExtension(extensionData);
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}
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public static byte[] createSRPExtension(byte[] bArr) throws IOException {
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if (bArr != null) {
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return TlsUtils.encodeOpaque8(bArr);
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}
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throw new TlsFatalAlert((short) 80);
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}
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public static void addSRPExtension(Hashtable hashtable, byte[] bArr) throws IOException {
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hashtable.put(EXT_SRP, createSRPExtension(bArr));
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}
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}
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