/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* master secret from the premaster secret and other parameters.
* It is used to initialize KeyGenerators of the type "TlsMasterSecret".
*
* <p>Instances of this class are immutable.
*
* @since 1.6
* @author Andreas Sterbenz
* @deprecated Sun JDK internal use only --- WILL BE REMOVED in a future
* release.
*/
private final int prfHashLength;
private final int prfBlockSize;
/**
* Constructs a new TlsMasterSecretParameterSpec.
*
* <p>The <code>getAlgorithm()</code> method of <code>premasterSecret</code>
* should return <code>"TlsRsaPremasterSecret"</code> if the key exchange
* algorithm was RSA and <code>"TlsPremasterSecret"</code> otherwise.
*
* @param premasterSecret the premaster secret
* @param majorVersion the major number of the protocol version
* @param minorVersion the minor number of the protocol version
* @param clientRandom the client's random value
* @param serverRandom the server's random value
* @param prfHashAlg the name of the TLS PRF hash algorithm to use.
* Used only for TLS 1.2+. TLS1.1 and earlier use a fixed PRF.
* @param prfHashLength the output length of the TLS PRF hash algorithm.
* Used only for TLS 1.2+.
* @param prfBlockSize the input block size of the TLS PRF hash algorithm.
* Used only for TLS 1.2+.
*
* @throws NullPointerException if premasterSecret, clientRandom,
* or serverRandom are null
* @throws IllegalArgumentException if minorVersion or majorVersion are
* negative or larger than 255
*/
int majorVersion, int minorVersion,
byte[] clientRandom, byte[] serverRandom,
if (premasterSecret == null) {
throw new NullPointerException("premasterSecret must not be null");
}
this.premasterSecret = premasterSecret;
this.prfHashAlg = prfHashAlg;
this.prfHashLength = prfHashLength;
this.prfBlockSize = prfBlockSize;
}
throw new IllegalArgumentException(
"Version must be between 0 and 255");
}
return version;
}
/**
* Returns the premaster secret.
*
* @return the premaster secret.
*/
return premasterSecret;
}
/**
* Returns the major version number.
*
* @return the major version number.
*/
public int getMajorVersion() {
return majorVersion;
}
/**
* Returns the minor version number.
*
* @return the minor version number.
*/
public int getMinorVersion() {
return minorVersion;
}
/**
* Returns a copy of the client's random value.
*
* @return a copy of the client's random value.
*/
public byte[] getClientRandom() {
return clientRandom.clone();
}
/**
* Returns a copy of the server's random value.
*
* @return a copy of the server's random value.
*/
public byte[] getServerRandom() {
return serverRandom.clone();
}
/**
* Obtains the PRF hash algorithm to use in the PRF calculation.
*
* @return the hash algorithm.
*/
return prfHashAlg;
}
/**
* Obtains the length of the PRF hash algorithm.
*
* @return the hash algorithm length.
*/
public int getPRFHashLength() {
return prfHashLength;
}
/**
* Obtains the block size of the PRF hash algorithm.
*
* @return the hash algorithm block size.
*/
public int getPRFBlockSize() {
return prfBlockSize;
}
}