--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/com/sun/crypto/provider/RC2Parameters.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * 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.
+ */
+
+package com.sun.crypto.provider;
+
+import java.io.IOException;
+import java.security.AlgorithmParametersSpi;
+import java.security.spec.AlgorithmParameterSpec;
+import java.security.spec.InvalidParameterSpecException;
+import javax.crypto.spec.RC2ParameterSpec;
+import sun.security.util.HexDumpEncoder;
+import sun.security.util.*;
+
+/**
+ * This class implements the parameter set used with RC2
+ * encryption, which is defined in RFC2268 as follows:
+ *
+ * <pre>
+ * RC2-CBCParameter ::= CHOICE {
+ * iv IV,
+ * params SEQUENCE {
+ * version RC2Version,
+ * iv IV
+ * }
+ * }
+ *
+ * where
+ *
+ * IV ::= OCTET STRING -- 8 octets
+ * RC2Version ::= INTEGER -- 1-1024
+ * </pre>
+ *
+ * @author Sean Mullan
+ * @since 1.5
+ */
+public final class RC2Parameters extends AlgorithmParametersSpi {
+
+ // TABLE[EKB] from section 6 of RFC 2268, used to convert effective key
+ // size to/from encoded version number
+ private static final int[] EKB_TABLE = new int[] {
+ 0xbd, 0x56, 0xea, 0xf2, 0xa2, 0xf1, 0xac, 0x2a,
+ 0xb0, 0x93, 0xd1, 0x9c, 0x1b, 0x33, 0xfd, 0xd0,
+ 0x30, 0x04, 0xb6, 0xdc, 0x7d, 0xdf, 0x32, 0x4b,
+ 0xf7, 0xcb, 0x45, 0x9b, 0x31, 0xbb, 0x21, 0x5a,
+ 0x41, 0x9f, 0xe1, 0xd9, 0x4a, 0x4d, 0x9e, 0xda,
+ 0xa0, 0x68, 0x2c, 0xc3, 0x27, 0x5f, 0x80, 0x36,
+ 0x3e, 0xee, 0xfb, 0x95, 0x1a, 0xfe, 0xce, 0xa8,
+ 0x34, 0xa9, 0x13, 0xf0, 0xa6, 0x3f, 0xd8, 0x0c,
+ 0x78, 0x24, 0xaf, 0x23, 0x52, 0xc1, 0x67, 0x17,
+ 0xf5, 0x66, 0x90, 0xe7, 0xe8, 0x07, 0xb8, 0x60,
+ 0x48, 0xe6, 0x1e, 0x53, 0xf3, 0x92, 0xa4, 0x72,
+ 0x8c, 0x08, 0x15, 0x6e, 0x86, 0x00, 0x84, 0xfa,
+ 0xf4, 0x7f, 0x8a, 0x42, 0x19, 0xf6, 0xdb, 0xcd,
+ 0x14, 0x8d, 0x50, 0x12, 0xba, 0x3c, 0x06, 0x4e,
+ 0xec, 0xb3, 0x35, 0x11, 0xa1, 0x88, 0x8e, 0x2b,
+ 0x94, 0x99, 0xb7, 0x71, 0x74, 0xd3, 0xe4, 0xbf,
+ 0x3a, 0xde, 0x96, 0x0e, 0xbc, 0x0a, 0xed, 0x77,
+ 0xfc, 0x37, 0x6b, 0x03, 0x79, 0x89, 0x62, 0xc6,
+ 0xd7, 0xc0, 0xd2, 0x7c, 0x6a, 0x8b, 0x22, 0xa3,
+ 0x5b, 0x05, 0x5d, 0x02, 0x75, 0xd5, 0x61, 0xe3,
+ 0x18, 0x8f, 0x55, 0x51, 0xad, 0x1f, 0x0b, 0x5e,
+ 0x85, 0xe5, 0xc2, 0x57, 0x63, 0xca, 0x3d, 0x6c,
+ 0xb4, 0xc5, 0xcc, 0x70, 0xb2, 0x91, 0x59, 0x0d,
+ 0x47, 0x20, 0xc8, 0x4f, 0x58, 0xe0, 0x01, 0xe2,
+ 0x16, 0x38, 0xc4, 0x6f, 0x3b, 0x0f, 0x65, 0x46,
+ 0xbe, 0x7e, 0x2d, 0x7b, 0x82, 0xf9, 0x40, 0xb5,
+ 0x1d, 0x73, 0xf8, 0xeb, 0x26, 0xc7, 0x87, 0x97,
+ 0x25, 0x54, 0xb1, 0x28, 0xaa, 0x98, 0x9d, 0xa5,
+ 0x64, 0x6d, 0x7a, 0xd4, 0x10, 0x81, 0x44, 0xef,
+ 0x49, 0xd6, 0xae, 0x2e, 0xdd, 0x76, 0x5c, 0x2f,
+ 0xa7, 0x1c, 0xc9, 0x09, 0x69, 0x9a, 0x83, 0xcf,
+ 0x29, 0x39, 0xb9, 0xe9, 0x4c, 0xff, 0x43, 0xab
+ };
+
+ // the iv
+ private byte[] iv;
+
+ // the version number
+ private int version = 0;
+
+ // the effective key size
+ private int effectiveKeySize = 0;
+
+ public RC2Parameters() {}
+
+ protected void engineInit(AlgorithmParameterSpec paramSpec)
+ throws InvalidParameterSpecException {
+
+ if (!(paramSpec instanceof RC2ParameterSpec)) {
+ throw new InvalidParameterSpecException
+ ("Inappropriate parameter specification");
+ }
+ RC2ParameterSpec rps = (RC2ParameterSpec) paramSpec;
+
+ // check effective key size (a value of 0 means it is unspecified)
+ effectiveKeySize = rps.getEffectiveKeyBits();
+ if (effectiveKeySize != 0) {
+ if (effectiveKeySize < 1 || effectiveKeySize > 1024) {
+ throw new InvalidParameterSpecException("RC2 effective key " +
+ "size must be between 1 and 1024 bits");
+ }
+ if (effectiveKeySize < 256) {
+ version = EKB_TABLE[effectiveKeySize];
+ } else {
+ version = effectiveKeySize;
+ }
+ }
+ this.iv = rps.getIV();
+ }
+
+ protected void engineInit(byte[] encoded) throws IOException {
+ DerValue val = new DerValue(encoded);
+ // check if IV or params
+ if (val.tag == DerValue.tag_Sequence) {
+ val.data.reset();
+
+ version = val.data.getInteger();
+ if (version < 0 || version > 1024) {
+ throw new IOException("RC2 parameter parsing error: " +
+ "version number out of legal range (0-1024): " + version);
+ }
+ if (version > 255) {
+ effectiveKeySize = version;
+ } else {
+ // search table for index containing version
+ for (int i = 0; i < EKB_TABLE.length; i++) {
+ if (version == EKB_TABLE[i]) {
+ effectiveKeySize = i;
+ break;
+ }
+ }
+ }
+
+ iv = val.data.getOctetString();
+ } else {
+ val.data.reset();
+ iv = val.getOctetString();
+ version = 0;
+ effectiveKeySize = 0;
+ }
+
+ if (iv.length != 8) {
+ throw new IOException("RC2 parameter parsing error: iv length " +
+ "must be 8 bits, actual: " + iv.length);
+ }
+
+ if (val.data.available() != 0) {
+ throw new IOException("RC2 parameter parsing error: extra data");
+ }
+ }
+
+ protected void engineInit(byte[] encoded, String decodingMethod)
+ throws IOException {
+ engineInit(encoded);
+ }
+
+ protected <T extends AlgorithmParameterSpec>
+ T engineGetParameterSpec(Class<T> paramSpec)
+ throws InvalidParameterSpecException {
+
+ if (RC2ParameterSpec.class.isAssignableFrom(paramSpec)) {
+ return paramSpec.cast((iv == null ?
+ new RC2ParameterSpec(effectiveKeySize) :
+ new RC2ParameterSpec(effectiveKeySize, iv)));
+ } else {
+ throw new InvalidParameterSpecException
+ ("Inappropriate parameter specification");
+ }
+ }
+
+ protected byte[] engineGetEncoded() throws IOException {
+ DerOutputStream out = new DerOutputStream();
+ DerOutputStream bytes = new DerOutputStream();
+
+ if (this.effectiveKeySize != 0) {
+ bytes.putInteger(version);
+ bytes.putOctetString(iv);
+ out.write(DerValue.tag_Sequence, bytes);
+ } else {
+ out.putOctetString(iv);
+ }
+
+ return out.toByteArray();
+ }
+
+ protected byte[] engineGetEncoded(String encodingMethod)
+ throws IOException {
+ return engineGetEncoded();
+ }
+
+ /*
+ * Returns a formatted string describing the parameters.
+ */
+ protected String engineToString() {
+ String LINE_SEP = System.getProperty("line.separator");
+ HexDumpEncoder encoder = new HexDumpEncoder();
+ StringBuilder sb
+ = new StringBuilder(LINE_SEP + " iv:" + LINE_SEP + "["
+ + encoder.encodeBuffer(iv) + "]");
+
+ if (version != 0) {
+ sb.append(LINE_SEP + "version:" + LINE_SEP
+ + version + LINE_SEP);
+ }
+ return sb.toString();
+ }
+}