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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.4.
package org.bouncycastle.crypto.tls;
import java.io.IOException;
import java.util.Hashtable;
public abstract class DefaultTlsClient
extends AbstractTlsClient
{
protected int[] namedCurves;
protected short[] clientECPointFormats, serverECPointFormats;
public DefaultTlsClient()
{
super();
}
public DefaultTlsClient(TlsCipherFactory cipherFactory)
{
super(cipherFactory);
}
public int[] getCipherSuites()
{
return new int[]{CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, CipherSuite.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA, CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA, CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA, CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA,};
}
public Hashtable getClientExtensions()
throws IOException
{
Hashtable clientExtensions = super.getClientExtensions();
if (TlsECCUtils.containsECCCipherSuites(getCipherSuites()))
{
/*
* RFC 4492 5.1. A client that proposes ECC cipher suites in its ClientHello message
* appends these extensions (along with any others), enumerating the curves it supports
* and the point formats it can parse. Clients SHOULD send both the Supported Elliptic
* Curves Extension and the Supported Point Formats Extension.
*/
/*
* TODO Could just add all the curves since we support them all, but users may not want
* to use unnecessarily large fields. Need configuration options.
*/
this.namedCurves = new int[]{NamedCurve.secp256r1, NamedCurve.sect233r1, NamedCurve.secp224r1,
NamedCurve.sect193r1, NamedCurve.secp192r1, NamedCurve.arbitrary_explicit_char2_curves,
NamedCurve.arbitrary_explicit_prime_curves};
this.clientECPointFormats = new short[]{ECPointFormat.ansiX962_compressed_char2,
ECPointFormat.ansiX962_compressed_prime, ECPointFormat.uncompressed};
if (clientExtensions == null)
{
clientExtensions = new Hashtable();
}
TlsECCUtils.addSupportedEllipticCurvesExtension(clientExtensions, namedCurves);
TlsECCUtils.addSupportedPointFormatsExtension(clientExtensions, clientECPointFormats);
}
return clientExtensions;
}
public void processServerExtensions(Hashtable serverExtensions)
throws IOException
{
super.processServerExtensions(serverExtensions);
if (serverExtensions != null)
{
int[] namedCurves = TlsECCUtils.getSupportedEllipticCurvesExtension(serverExtensions);
if (namedCurves != null)
{
throw new TlsFatalAlert(AlertDescription.illegal_parameter);
}
this.serverECPointFormats = TlsECCUtils.getSupportedPointFormatsExtension(serverExtensions);
if (this.serverECPointFormats != null && !TlsECCUtils.isECCCipherSuite(this.selectedCipherSuite))
{
throw new TlsFatalAlert(AlertDescription.illegal_parameter);
}
}
}
public TlsKeyExchange getKeyExchange()
throws IOException
{
switch (selectedCipherSuite)
{
case CipherSuite.TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_DH_DSS_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_DH_DSS_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_DH_DSS_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_DH_DSS_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_DH_DSS_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_DH_DSS_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_DH_DSS_WITH_SEED_CBC_SHA:
return createDHKeyExchange(KeyExchangeAlgorithm.DH_DSS);
case CipherSuite.TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_DH_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_DH_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_DH_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_SEED_CBC_SHA:
return createDHKeyExchange(KeyExchangeAlgorithm.DH_RSA);
case CipherSuite.TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_DHE_DSS_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_DHE_DSS_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_SEED_CBC_SHA:
return createDHEKeyExchange(KeyExchangeAlgorithm.DHE_DSS);
case CipherSuite.TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_SEED_CBC_SHA:
return createDHEKeyExchange(KeyExchangeAlgorithm.DHE_RSA);
case CipherSuite.TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_ECDH_ECDSA_WITH_NULL_SHA:
case CipherSuite.TLS_ECDH_ECDSA_WITH_RC4_128_SHA:
return createECDHKeyExchange(KeyExchangeAlgorithm.ECDH_ECDSA);
case CipherSuite.TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_ECDH_RSA_WITH_NULL_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_RC4_128_SHA:
return createECDHKeyExchange(KeyExchangeAlgorithm.ECDH_RSA);
case CipherSuite.TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_NULL_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA:
return createECDHEKeyExchange(KeyExchangeAlgorithm.ECDHE_ECDSA);
case CipherSuite.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_ECDHE_RSA_WITH_NULL_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_RC4_128_SHA:
return createECDHEKeyExchange(KeyExchangeAlgorithm.ECDHE_RSA);
case CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_RSA_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_NULL_MD5:
case CipherSuite.TLS_RSA_WITH_NULL_SHA:
case CipherSuite.TLS_RSA_WITH_NULL_SHA256:
case CipherSuite.TLS_RSA_WITH_RC4_128_MD5:
case CipherSuite.TLS_RSA_WITH_RC4_128_SHA:
case CipherSuite.TLS_RSA_WITH_SEED_CBC_SHA:
return createRSAKeyExchange();
default:
/*
* Note: internal error here; the TlsProtocol implementation verifies that the
* server-selected cipher suite was in the list of client-offered cipher suites, so if
* we now can't produce an implementation, we shouldn't have offered it!
*/
throw new TlsFatalAlert(AlertDescription.internal_error);
}
}
public TlsCipher getCipher()
throws IOException
{
switch (selectedCipherSuite)
{
case CipherSuite.TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_3DES_EDE_CBC_SHA:
return cipherFactory.createCipher(context, EncryptionAlgorithm._3DES_EDE_CBC, MACAlgorithm.hmac_sha1);
case CipherSuite.TLS_DH_DSS_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA:
return cipherFactory.createCipher(context, EncryptionAlgorithm.AES_128_CBC, MACAlgorithm.hmac_sha1);
case CipherSuite.TLS_DH_DSS_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_DH_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_DHE_DSS_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:
case CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256:
return cipherFactory.createCipher(context, EncryptionAlgorithm.AES_128_CBC, MACAlgorithm.hmac_sha256);
case CipherSuite.TLS_DH_DSS_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_DH_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_DHE_DSS_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:
case CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256:
return cipherFactory.createCipher(context, EncryptionAlgorithm.AES_128_GCM, MACAlgorithm._null);
case CipherSuite.TLS_DH_DSS_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA:
return cipherFactory.createCipher(context, EncryptionAlgorithm.AES_256_CBC, MACAlgorithm.hmac_sha1);
case CipherSuite.TLS_DH_DSS_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_DH_RSA_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_DHE_DSS_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256:
case CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA256:
return cipherFactory.createCipher(context, EncryptionAlgorithm.AES_256_CBC, MACAlgorithm.hmac_sha256);
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384:
return cipherFactory.createCipher(context, EncryptionAlgorithm.AES_256_CBC, MACAlgorithm.hmac_sha384);
case CipherSuite.TLS_DH_DSS_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_DH_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_DHE_DSS_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384:
case CipherSuite.TLS_RSA_WITH_AES_256_GCM_SHA384:
return cipherFactory.createCipher(context, EncryptionAlgorithm.AES_256_GCM, MACAlgorithm._null);
case CipherSuite.TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_CAMELLIA_128_CBC_SHA:
return cipherFactory.createCipher(context, EncryptionAlgorithm.CAMELLIA_128_CBC, MACAlgorithm.hmac_sha1);
case CipherSuite.TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_CAMELLIA_256_CBC_SHA:
return cipherFactory.createCipher(context, EncryptionAlgorithm.CAMELLIA_256_CBC, MACAlgorithm.hmac_sha1);
case CipherSuite.TLS_RSA_WITH_NULL_MD5:
return cipherFactory.createCipher(context, EncryptionAlgorithm.NULL, MACAlgorithm.hmac_md5);
case CipherSuite.TLS_ECDH_ECDSA_WITH_NULL_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_NULL_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_NULL_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_NULL_SHA:
case CipherSuite.TLS_RSA_WITH_NULL_SHA:
return cipherFactory.createCipher(context, EncryptionAlgorithm.NULL, MACAlgorithm.hmac_sha1);
case CipherSuite.TLS_RSA_WITH_NULL_SHA256:
return cipherFactory.createCipher(context, EncryptionAlgorithm.NULL, MACAlgorithm.hmac_sha256);
case CipherSuite.TLS_RSA_WITH_RC4_128_MD5:
return cipherFactory.createCipher(context, EncryptionAlgorithm.RC4_128, MACAlgorithm.hmac_md5);
case CipherSuite.TLS_ECDH_ECDSA_WITH_RC4_128_SHA:
case CipherSuite.TLS_ECDH_RSA_WITH_RC4_128_SHA:
case CipherSuite.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA:
case CipherSuite.TLS_ECDHE_RSA_WITH_RC4_128_SHA:
case CipherSuite.TLS_RSA_WITH_RC4_128_SHA:
return cipherFactory.createCipher(context, EncryptionAlgorithm.RC4_128, MACAlgorithm.hmac_sha1);
case CipherSuite.TLS_DH_DSS_WITH_SEED_CBC_SHA:
case CipherSuite.TLS_DH_RSA_WITH_SEED_CBC_SHA:
case CipherSuite.TLS_DHE_DSS_WITH_SEED_CBC_SHA:
case CipherSuite.TLS_DHE_RSA_WITH_SEED_CBC_SHA:
case CipherSuite.TLS_RSA_WITH_SEED_CBC_SHA:
return cipherFactory.createCipher(context, EncryptionAlgorithm.SEED_CBC, MACAlgorithm.hmac_sha1);
default:
/*
* Note: internal error here; the TlsProtocol implementation verifies that the
* server-selected cipher suite was in the list of client-offered cipher suites, so if
* we now can't produce an implementation, we shouldn't have offered it!
*/
throw new TlsFatalAlert(AlertDescription.internal_error);
}
}
protected TlsKeyExchange createDHKeyExchange(int keyExchange)
{
return new TlsDHKeyExchange(keyExchange, supportedSignatureAlgorithms, null);
}
protected TlsKeyExchange createDHEKeyExchange(int keyExchange)
{
return new TlsDHEKeyExchange(keyExchange, supportedSignatureAlgorithms, null);
}
protected TlsKeyExchange createECDHKeyExchange(int keyExchange)
{
return new TlsECDHKeyExchange(keyExchange, supportedSignatureAlgorithms, namedCurves, clientECPointFormats,
serverECPointFormats);
}
protected TlsKeyExchange createECDHEKeyExchange(int keyExchange)
{
return new TlsECDHEKeyExchange(keyExchange, supportedSignatureAlgorithms, namedCurves, clientECPointFormats,
serverECPointFormats);
}
protected TlsKeyExchange createRSAKeyExchange()
{
return new TlsRSAKeyExchange(supportedSignatureAlgorithms);
}
}
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