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