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Diffstat (limited to 'gnu/javax/net/ssl/provider/EncryptedPreMasterSecret.java')
| -rw-r--r-- | gnu/javax/net/ssl/provider/EncryptedPreMasterSecret.java | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/gnu/javax/net/ssl/provider/EncryptedPreMasterSecret.java b/gnu/javax/net/ssl/provider/EncryptedPreMasterSecret.java new file mode 100644 index 000000000..ea7439bd2 --- /dev/null +++ b/gnu/javax/net/ssl/provider/EncryptedPreMasterSecret.java @@ -0,0 +1,151 @@ +/* EncryptedPreMasterSecret.java -- RSA encrypted secret. + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is a part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at +your option) any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 +USA + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.javax.net.ssl.provider; + +import gnu.classpath.debug.Component; +import gnu.classpath.debug.SystemLogger; + +import java.io.PrintWriter; +import java.io.StringWriter; + +import java.nio.ByteBuffer; + +/** + * The client's RSA-encrypted pre-master secret. + * + * <pre> +struct { + public-key-encrypted PreMasterSecret pre_master_secret; +} EncryptedPreMasterSecret;</pre> + */ +public final class EncryptedPreMasterSecret extends ExchangeKeys implements Builder +{ + private final ProtocolVersion version; + + public EncryptedPreMasterSecret(ByteBuffer buffer, ProtocolVersion version) + { + super(buffer); + version.getClass(); + this.version = version; + } + + public EncryptedPreMasterSecret(byte[] encryptedSecret, ProtocolVersion version) + { + this(ByteBuffer.allocate(version == ProtocolVersion.SSL_3 + ? encryptedSecret.length + : encryptedSecret.length + 2), version); + ByteBuffer b = buffer.duplicate(); + if (version != ProtocolVersion.SSL_3) + b.putShort((short) encryptedSecret.length); + b.put(encryptedSecret); + } + + public ByteBuffer buffer() + { + return (ByteBuffer) buffer.duplicate().rewind(); + } + + public byte[] encryptedSecret() + { + byte[] secret; + if (version == ProtocolVersion.SSL_3) + { + buffer.position (0); + secret = new byte[buffer.limit ()]; + buffer.get(secret); + } + else + { + int len = buffer.getShort(0) & 0xFFFF; + secret = new byte[len]; + buffer.position(2); + buffer.get(secret); + } + return secret; + } + + public void setEncryptedSecret(final byte[] secret, final int offset, final int length) + { + if (version == ProtocolVersion.SSL_3) + { + buffer.position(0); + buffer.put(secret, offset, length); + buffer.rewind(); + } + else + { + buffer.putShort(0, (short) length); + buffer.position(2); + buffer.put(secret, offset, length); + buffer.rewind(); + } + } + + public int length () + { + if (version == ProtocolVersion.SSL_3) + { + return buffer.capacity(); + } + else + { + return (buffer.getShort(0) & 0xFFFF) + 2; + } + } + + public String toString () + { + return toString (null); + } + + public String toString (final String prefix) + { + StringWriter str = new StringWriter(); + PrintWriter out = new PrintWriter(str); + if (prefix != null) out.print(prefix); + out.println("struct {"); + if (prefix != null) out.print(prefix); + out.println(" pre_master_secret = "); + out.print(Util.hexDump(encryptedSecret(), prefix != null ? prefix + " " + : " ")); + if (prefix != null) out.print(prefix); + out.print("} EncryptedPreMasterSecret;"); + return str.toString(); + } +}
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