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Diffstat (limited to 'libjava/classpath/gnu/javax/crypto/cipher/Serpent.java')
| -rw-r--r-- | libjava/classpath/gnu/javax/crypto/cipher/Serpent.java | 1781 |
1 files changed, 1781 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/crypto/cipher/Serpent.java b/libjava/classpath/gnu/javax/crypto/cipher/Serpent.java new file mode 100644 index 000000000..1175fcfd2 --- /dev/null +++ b/libjava/classpath/gnu/javax/crypto/cipher/Serpent.java @@ -0,0 +1,1781 @@ +/* Serpent.java -- + Copyright (C) 2001, 2002, 2003, 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.crypto.cipher; + +import gnu.java.security.Registry; +import gnu.java.security.util.Util; + +import java.security.InvalidKeyException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Iterator; + +/** + * Serpent is a 32-round substitution-permutation network block cipher, + * operating on 128-bit blocks and accepting keys of 128, 192, and 256 bits in + * length. At each round the plaintext is XORed with a 128 bit portion of the + * session key -- a 4224 bit key computed from the input key -- then one of + * eight S-boxes are applied, and finally a simple linear transformation is + * done. Decryption does the exact same thing in reverse order, and using the + * eight inverses of the S-boxes. + * <p> + * Serpent was designed by Ross Anderson, Eli Biham, and Lars Knudsen as a + * proposed cipher for the Advanced Encryption Standard. + * <p> + * Serpent can be sped up greatly by replacing S-box substitution with a + * sequence of binary operations, and the optimal implementation depends upon + * finding the fastest sequence of binary operations that reproduce this + * substitution. This implementation uses the S-boxes discovered by <a + * href="http://www.ii.uib.no/~osvik/">Dag Arne Osvik</a>, which are optimized + * for the Pentium family of processors. + * <p> + * References: + * <ol> + * <li><a href="http://www.cl.cam.ac.uk/~rja14/serpent.html">Serpent: A + * Candidate Block Cipher for the Advanced Encryption Standard.</a></li> + * </ol> + */ +public class Serpent + extends BaseCipher +{ + private static final int DEFAULT_KEY_SIZE = 16; + private static final int DEFAULT_BLOCK_SIZE = 16; + private static final int ROUNDS = 32; + /** The fractional part of the golden ratio, (sqrt(5)+1)/2. */ + private static final int PHI = 0x9e3779b9; + /** + * KAT vector (from ecb_vk): I=9 + * KEY=008000000000000000000000000000000000000000000000 + * CT=5587B5BCB9EE5A28BA2BACC418005240 + */ + private static final byte[] KAT_KEY = Util.toReversedBytesFromString( + "008000000000000000000000000000000000000000000000"); + private static final byte[] KAT_CT = + Util.toReversedBytesFromString("5587B5BCB9EE5A28BA2BACC418005240"); + /** caches the result of the correctness test, once executed. */ + private static Boolean valid; + private int x0, x1, x2, x3, x4; + + /** Trivial zero-argument constructor. */ + public Serpent() + { + super(Registry.SERPENT_CIPHER, DEFAULT_BLOCK_SIZE, DEFAULT_KEY_SIZE); + } + + public Object clone() + { + Serpent result = new Serpent(); + result.currentBlockSize = this.currentBlockSize; + return result; + } + + public Iterator blockSizes() + { + return Collections.singleton(Integer.valueOf(DEFAULT_BLOCK_SIZE)).iterator(); + } + + public Iterator keySizes() + { + ArrayList keySizes = new ArrayList(); + keySizes.add(Integer.valueOf(16)); + keySizes.add(Integer.valueOf(24)); + keySizes.add(Integer.valueOf(32)); + return Collections.unmodifiableList(keySizes).iterator(); + } + + public Object makeKey(byte[] kb, int blockSize) throws InvalidKeyException + { + // Not strictly true, but here to conform with the AES proposal. + // This restriction can be removed if deemed necessary. + if (kb.length != 16 && kb.length != 24 && kb.length != 32) + throw new InvalidKeyException("Key length is not 16, 24, or 32 bytes"); + Key key = new Key(); + // Here w is our "pre-key". + int[] w = new int[4 * (ROUNDS + 1)]; + int i, j; + for (i = 0, j = 0; i < 8 && j < kb.length; i++) + w[i] = (kb[j++] & 0xff) + | (kb[j++] & 0xff) << 8 + | (kb[j++] & 0xff) << 16 + | (kb[j++] & 0xff) << 24; + // Pad key if < 256 bits. + if (i != 8) + w[i] = 1; + // Transform using w_i-8 ... w_i-1 + for (i = 8, j = 0; i < 16; i++) + { + int t = w[j] ^ w[i - 5] ^ w[i - 3] ^ w[i - 1] ^ PHI ^ j++; + w[i] = t << 11 | t >>> 21; + } + // Translate by 8. + for (i = 0; i < 8; i++) + w[i] = w[i + 8]; + // Transform the rest of the key. + for (; i < w.length; i++) + { + int t = w[i - 8] ^ w[i - 5] ^ w[i - 3] ^ w[i - 1] ^ PHI ^ i; + w[i] = t << 11 | t >>> 21; + } + // After these s-boxes the pre-key (w, above) will become the + // session key (key, below). + sbox3(w[0], w[1], w[2], w[3]); + key.k0 = x0; + key.k1 = x1; + key.k2 = x2; + key.k3 = x3; + sbox2(w[4], w[5], w[6], w[7]); + key.k4 = x0; + key.k5 = x1; + key.k6 = x2; + key.k7 = x3; + sbox1(w[8], w[9], w[10], w[11]); + key.k8 = x0; + key.k9 = x1; + key.k10 = x2; + key.k11 = x3; + sbox0(w[12], w[13], w[14], w[15]); + key.k12 = x0; + key.k13 = x1; + key.k14 = x2; + key.k15 = x3; + sbox7(w[16], w[17], w[18], w[19]); + key.k16 = x0; + key.k17 = x1; + key.k18 = x2; + key.k19 = x3; + sbox6(w[20], w[21], w[22], w[23]); + key.k20 = x0; + key.k21 = x1; + key.k22 = x2; + key.k23 = x3; + sbox5(w[24], w[25], w[26], w[27]); + key.k24 = x0; + key.k25 = x1; + key.k26 = x2; + key.k27 = x3; + sbox4(w[28], w[29], w[30], w[31]); + key.k28 = x0; + key.k29 = x1; + key.k30 = x2; + key.k31 = x3; + sbox3(w[32], w[33], w[34], w[35]); + key.k32 = x0; + key.k33 = x1; + key.k34 = x2; + key.k35 = x3; + sbox2(w[36], w[37], w[38], w[39]); + key.k36 = x0; + key.k37 = x1; + key.k38 = x2; + key.k39 = x3; + sbox1(w[40], w[41], w[42], w[43]); + key.k40 = x0; + key.k41 = x1; + key.k42 = x2; + key.k43 = x3; + sbox0(w[44], w[45], w[46], w[47]); + key.k44 = x0; + key.k45 = x1; + key.k46 = x2; + key.k47 = x3; + sbox7(w[48], w[49], w[50], w[51]); + key.k48 = x0; + key.k49 = x1; + key.k50 = x2; + key.k51 = x3; + sbox6(w[52], w[53], w[54], w[55]); + key.k52 = x0; + key.k53 = x1; + key.k54 = x2; + key.k55 = x3; + sbox5(w[56], w[57], w[58], w[59]); + key.k56 = x0; + key.k57 = x1; + key.k58 = x2; + key.k59 = x3; + sbox4(w[60], w[61], w[62], w[63]); + key.k60 = x0; + key.k61 = x1; + key.k62 = x2; + key.k63 = x3; + sbox3(w[64], w[65], w[66], w[67]); + key.k64 = x0; + key.k65 = x1; + key.k66 = x2; + key.k67 = x3; + sbox2(w[68], w[69], w[70], w[71]); + key.k68 = x0; + key.k69 = x1; + key.k70 = x2; + key.k71 = x3; + sbox1(w[72], w[73], w[74], w[75]); + key.k72 = x0; + key.k73 = x1; + key.k74 = x2; + key.k75 = x3; + sbox0(w[76], w[77], w[78], w[79]); + key.k76 = x0; + key.k77 = x1; + key.k78 = x2; + key.k79 = x3; + sbox7(w[80], w[81], w[82], w[83]); + key.k80 = x0; + key.k81 = x1; + key.k82 = x2; + key.k83 = x3; + sbox6(w[84], w[85], w[86], w[87]); + key.k84 = x0; + key.k85 = x1; + key.k86 = x2; + key.k87 = x3; + sbox5(w[88], w[89], w[90], w[91]); + key.k88 = x0; + key.k89 = x1; + key.k90 = x2; + key.k91 = x3; + sbox4(w[92], w[93], w[94], w[95]); + key.k92 = x0; + key.k93 = x1; + key.k94 = x2; + key.k95 = x3; + sbox3(w[96], w[97], w[98], w[99]); + key.k96 = x0; + key.k97 = x1; + key.k98 = x2; + key.k99 = x3; + sbox2(w[100], w[101], w[102], w[103]); + key.k100 = x0; + key.k101 = x1; + key.k102 = x2; + key.k103 = x3; + sbox1(w[104], w[105], w[106], w[107]); + key.k104 = x0; + key.k105 = x1; + key.k106 = x2; + key.k107 = x3; + sbox0(w[108], w[109], w[110], w[111]); + key.k108 = x0; + key.k109 = x1; + key.k110 = x2; + key.k111 = x3; + sbox7(w[112], w[113], w[114], w[115]); + key.k112 = x0; + key.k113 = x1; + key.k114 = x2; + key.k115 = x3; + sbox6(w[116], w[117], w[118], w[119]); + key.k116 = x0; + key.k117 = x1; + key.k118 = x2; + key.k119 = x3; + sbox5(w[120], w[121], w[122], w[123]); + key.k120 = x0; + key.k121 = x1; + key.k122 = x2; + key.k123 = x3; + sbox4(w[124], w[125], w[126], w[127]); + key.k124 = x0; + key.k125 = x1; + key.k126 = x2; + key.k127 = x3; + sbox3(w[128], w[129], w[130], w[131]); + key.k128 = x0; + key.k129 = x1; + key.k130 = x2; + key.k131 = x3; + return key; + } + + public synchronized void encrypt(byte[] in, int i, byte[] out, int o, + Object K, int bs) + { + Key key = (Key) K; + x0 = (in[i ] & 0xff) + | (in[i + 1] & 0xff) << 8 + | (in[i + 2] & 0xff) << 16 + | (in[i + 3] & 0xff) << 24; + x1 = (in[i + 4] & 0xff) + | (in[i + 5] & 0xff) << 8 + | (in[i + 6] & 0xff) << 16 + | (in[i + 7] & 0xff) << 24; + x2 = (in[i + 8] & 0xff) + | (in[i + 9] & 0xff) << 8 + | (in[i + 10] & 0xff) << 16 + | (in[i + 11] & 0xff) << 24; + x3 = (in[i + 12] & 0xff) + | (in[i + 13] & 0xff) << 8 + | (in[i + 14] & 0xff) << 16 + | (in[i + 15] & 0xff) << 24; + x0 ^= key.k0; + x1 ^= key.k1; + x2 ^= key.k2; + x3 ^= key.k3; + sbox0(); + x1 ^= key.k4; + x4 ^= key.k5; + x2 ^= key.k6; + x0 ^= key.k7; + sbox1(); + x0 ^= key.k8; + x4 ^= key.k9; + x2 ^= key.k10; + x1 ^= key.k11; + sbox2(); + x2 ^= key.k12; + x1 ^= key.k13; + x4 ^= key.k14; + x3 ^= key.k15; + sbox3(); + x1 ^= key.k16; + x4 ^= key.k17; + x3 ^= key.k18; + x0 ^= key.k19; + sbox4(); + x4 ^= key.k20; + x2 ^= key.k21; + x1 ^= key.k22; + x0 ^= key.k23; + sbox5(); + x2 ^= key.k24; + x0 ^= key.k25; + x4 ^= key.k26; + x1 ^= key.k27; + sbox6(); + x2 ^= key.k28; + x0 ^= key.k29; + x3 ^= key.k30; + x4 ^= key.k31; + sbox7(); + x0 = x3; + x3 = x2; + x2 = x4; + x0 ^= key.k32; + x1 ^= key.k33; + x2 ^= key.k34; + x3 ^= key.k35; + sbox0(); + x1 ^= key.k36; + x4 ^= key.k37; + x2 ^= key.k38; + x0 ^= key.k39; + sbox1(); + x0 ^= key.k40; + x4 ^= key.k41; + x2 ^= key.k42; + x1 ^= key.k43; + sbox2(); + x2 ^= key.k44; + x1 ^= key.k45; + x4 ^= key.k46; + x3 ^= key.k47; + sbox3(); + x1 ^= key.k48; + x4 ^= key.k49; + x3 ^= key.k50; + x0 ^= key.k51; + sbox4(); + x4 ^= key.k52; + x2 ^= key.k53; + x1 ^= key.k54; + x0 ^= key.k55; + sbox5(); + x2 ^= key.k56; + x0 ^= key.k57; + x4 ^= key.k58; + x1 ^= key.k59; + sbox6(); + x2 ^= key.k60; + x0 ^= key.k61; + x3 ^= key.k62; + x4 ^= key.k63; + sbox7(); + x0 = x3; + x3 = x2; + x2 = x4; + x0 ^= key.k64; + x1 ^= key.k65; + x2 ^= key.k66; + x3 ^= key.k67; + sbox0(); + x1 ^= key.k68; + x4 ^= key.k69; + x2 ^= key.k70; + x0 ^= key.k71; + sbox1(); + x0 ^= key.k72; + x4 ^= key.k73; + x2 ^= key.k74; + x1 ^= key.k75; + sbox2(); + x2 ^= key.k76; + x1 ^= key.k77; + x4 ^= key.k78; + x3 ^= key.k79; + sbox3(); + x1 ^= key.k80; + x4 ^= key.k81; + x3 ^= key.k82; + x0 ^= key.k83; + sbox4(); + x4 ^= key.k84; + x2 ^= key.k85; + x1 ^= key.k86; + x0 ^= key.k87; + sbox5(); + x2 ^= key.k88; + x0 ^= key.k89; + x4 ^= key.k90; + x1 ^= key.k91; + sbox6(); + x2 ^= key.k92; + x0 ^= key.k93; + x3 ^= key.k94; + x4 ^= key.k95; + sbox7(); + x0 = x3; + x3 = x2; + x2 = x4; + x0 ^= key.k96; + x1 ^= key.k97; + x2 ^= key.k98; + x3 ^= key.k99; + sbox0(); + x1 ^= key.k100; + x4 ^= key.k101; + x2 ^= key.k102; + x0 ^= key.k103; + sbox1(); + x0 ^= key.k104; + x4 ^= key.k105; + x2 ^= key.k106; + x1 ^= key.k107; + sbox2(); + x2 ^= key.k108; + x1 ^= key.k109; + x4 ^= key.k110; + x3 ^= key.k111; + sbox3(); + x1 ^= key.k112; + x4 ^= key.k113; + x3 ^= key.k114; + x0 ^= key.k115; + sbox4(); + x4 ^= key.k116; + x2 ^= key.k117; + x1 ^= key.k118; + x0 ^= key.k119; + sbox5(); + x2 ^= key.k120; + x0 ^= key.k121; + x4 ^= key.k122; + x1 ^= key.k123; + sbox6(); + x2 ^= key.k124; + x0 ^= key.k125; + x3 ^= key.k126; + x4 ^= key.k127; + sbox7noLT(); + x0 = x3; + x3 = x2; + x2 = x4; + x0 ^= key.k128; + x1 ^= key.k129; + x2 ^= key.k130; + x3 ^= key.k131; + out[o ] = (byte) x0; + out[o + 1] = (byte)(x0 >>> 8); + out[o + 2] = (byte)(x0 >>> 16); + out[o + 3] = (byte)(x0 >>> 24); + out[o + 4] = (byte) x1; + out[o + 5] = (byte)(x1 >>> 8); + out[o + 6] = (byte)(x1 >>> 16); + out[o + 7] = (byte)(x1 >>> 24); + out[o + 8] = (byte) x2; + out[o + 9] = (byte)(x2 >>> 8); + out[o + 10] = (byte)(x2 >>> 16); + out[o + 11] = (byte)(x2 >>> 24); + out[o + 12] = (byte) x3; + out[o + 13] = (byte)(x3 >>> 8); + out[o + 14] = (byte)(x3 >>> 16); + out[o + 15] = (byte)(x3 >>> 24); + } + + public synchronized void decrypt(byte[] in, int i, byte[] out, int o, + Object K, int bs) + { + Key key = (Key) K; + x0 = (in[i ] & 0xff) + | (in[i + 1] & 0xff) << 8 + | (in[i + 2] & 0xff) << 16 + | (in[i + 3] & 0xff) << 24; + x1 = (in[i + 4] & 0xff) + | (in[i + 5] & 0xff) << 8 + | (in[i + 6] & 0xff) << 16 + | (in[i + 7] & 0xff) << 24; + x2 = (in[i + 8] & 0xff) + | (in[i + 9] & 0xff) << 8 + | (in[i + 10] & 0xff) << 16 + | (in[i + 11] & 0xff) << 24; + x3 = (in[i + 12] & 0xff) + | (in[i + 13] & 0xff) << 8 + | (in[i + 14] & 0xff) << 16 + | (in[i + 15] & 0xff) << 24; + x0 ^= key.k128; + x1 ^= key.k129; + x2 ^= key.k130; + x3 ^= key.k131; + sboxI7noLT(); + x3 ^= key.k124; + x0 ^= key.k125; + x1 ^= key.k126; + x4 ^= key.k127; + sboxI6(); + x0 ^= key.k120; + x1 ^= key.k121; + x2 ^= key.k122; + x4 ^= key.k123; + sboxI5(); + x1 ^= key.k116; + x3 ^= key.k117; + x4 ^= key.k118; + x2 ^= key.k119; + sboxI4(); + x1 ^= key.k112; + x2 ^= key.k113; + x4 ^= key.k114; + x0 ^= key.k115; + sboxI3(); + x0 ^= key.k108; + x1 ^= key.k109; + x4 ^= key.k110; + x2 ^= key.k111; + sboxI2(); + x1 ^= key.k104; + x3 ^= key.k105; + x4 ^= key.k106; + x2 ^= key.k107; + sboxI1(); + x0 ^= key.k100; + x1 ^= key.k101; + x2 ^= key.k102; + x4 ^= key.k103; + sboxI0(); + x0 ^= key.k96; + x3 ^= key.k97; + x1 ^= key.k98; + x4 ^= key.k99; + sboxI7(); + x1 = x3; + x3 = x4; + x4 = x2; + x3 ^= key.k92; + x0 ^= key.k93; + x1 ^= key.k94; + x4 ^= key.k95; + sboxI6(); + x0 ^= key.k88; + x1 ^= key.k89; + x2 ^= key.k90; + x4 ^= key.k91; + sboxI5(); + x1 ^= key.k84; + x3 ^= key.k85; + x4 ^= key.k86; + x2 ^= key.k87; + sboxI4(); + x1 ^= key.k80; + x2 ^= key.k81; + x4 ^= key.k82; + x0 ^= key.k83; + sboxI3(); + x0 ^= key.k76; + x1 ^= key.k77; + x4 ^= key.k78; + x2 ^= key.k79; + sboxI2(); + x1 ^= key.k72; + x3 ^= key.k73; + x4 ^= key.k74; + x2 ^= key.k75; + sboxI1(); + x0 ^= key.k68; + x1 ^= key.k69; + x2 ^= key.k70; + x4 ^= key.k71; + sboxI0(); + x0 ^= key.k64; + x3 ^= key.k65; + x1 ^= key.k66; + x4 ^= key.k67; + sboxI7(); + x1 = x3; + x3 = x4; + x4 = x2; + x3 ^= key.k60; + x0 ^= key.k61; + x1 ^= key.k62; + x4 ^= key.k63; + sboxI6(); + x0 ^= key.k56; + x1 ^= key.k57; + x2 ^= key.k58; + x4 ^= key.k59; + sboxI5(); + x1 ^= key.k52; + x3 ^= key.k53; + x4 ^= key.k54; + x2 ^= key.k55; + sboxI4(); + x1 ^= key.k48; + x2 ^= key.k49; + x4 ^= key.k50; + x0 ^= key.k51; + sboxI3(); + x0 ^= key.k44; + x1 ^= key.k45; + x4 ^= key.k46; + x2 ^= key.k47; + sboxI2(); + x1 ^= key.k40; + x3 ^= key.k41; + x4 ^= key.k42; + x2 ^= key.k43; + sboxI1(); + x0 ^= key.k36; + x1 ^= key.k37; + x2 ^= key.k38; + x4 ^= key.k39; + sboxI0(); + x0 ^= key.k32; + x3 ^= key.k33; + x1 ^= key.k34; + x4 ^= key.k35; + sboxI7(); + x1 = x3; + x3 = x4; + x4 = x2; + x3 ^= key.k28; + x0 ^= key.k29; + x1 ^= key.k30; + x4 ^= key.k31; + sboxI6(); + x0 ^= key.k24; + x1 ^= key.k25; + x2 ^= key.k26; + x4 ^= key.k27; + sboxI5(); + x1 ^= key.k20; + x3 ^= key.k21; + x4 ^= key.k22; + x2 ^= key.k23; + sboxI4(); + x1 ^= key.k16; + x2 ^= key.k17; + x4 ^= key.k18; + x0 ^= key.k19; + sboxI3(); + x0 ^= key.k12; + x1 ^= key.k13; + x4 ^= key.k14; + x2 ^= key.k15; + sboxI2(); + x1 ^= key.k8; + x3 ^= key.k9; + x4 ^= key.k10; + x2 ^= key.k11; + sboxI1(); + x0 ^= key.k4; + x1 ^= key.k5; + x2 ^= key.k6; + x4 ^= key.k7; + sboxI0(); + x2 = x1; + x1 = x3; + x3 = x4; + x0 ^= key.k0; + x1 ^= key.k1; + x2 ^= key.k2; + x3 ^= key.k3; + out[o ] = (byte) x0; + out[o + 1] = (byte)(x0 >>> 8); + out[o + 2] = (byte)(x0 >>> 16); + out[o + 3] = (byte)(x0 >>> 24); + out[o + 4] = (byte) x1; + out[o + 5] = (byte)(x1 >>> 8); + out[o + 6] = (byte)(x1 >>> 16); + out[o + 7] = (byte)(x1 >>> 24); + out[o + 8] = (byte) x2; + out[o + 9] = (byte)(x2 >>> 8); + out[o + 10] = (byte)(x2 >>> 16); + out[o + 11] = (byte)(x2 >>> 24); + out[o + 12] = (byte) x3; + out[o + 13] = (byte)(x3 >>> 8); + out[o + 14] = (byte)(x3 >>> 16); + out[o + 15] = (byte)(x3 >>> 24); + } + + public boolean selfTest() + { + if (valid == null) + { + boolean result = super.selfTest(); // do symmetry tests + if (result) + result = testKat(KAT_KEY, KAT_CT); + valid = Boolean.valueOf(result); + } + return valid.booleanValue(); + } + + // These first few S-boxes operate directly on the "registers", + // x0..x4, and perform the linear transform. + private void sbox0() + { + x3 ^= x0; + x4 = x1; + x1 &= x3; + x4 ^= x2; + x1 ^= x0; + x0 |= x3; + x0 ^= x4; + x4 ^= x3; + x3 ^= x2; + x2 |= x1; + x2 ^= x4; + x4 ^= -1; + x4 |= x1; + x1 ^= x3; + x1 ^= x4; + x3 |= x0; + x1 ^= x3; + x4 ^= x3; + + x1 = (x1 << 13) | (x1 >>> 19); + x4 ^= x1; + x3 = x1 << 3; + x2 = (x2 << 3) | (x2 >>> 29); + x4 ^= x2; + x0 ^= x2; + x4 = (x4 << 1) | (x4 >>> 31); + x0 ^= x3; + x0 = (x0 << 7) | (x0 >>> 25); + x3 = x4; + x1 ^= x4; + x3 <<= 7; + x1 ^= x0; + x2 ^= x0; + x2 ^= x3; + x1 = (x1 << 5) | (x1 >>> 27); + x2 = (x2 << 22) | (x2 >>> 10); + } + + private void sbox1() + { + x4 = ~x4; + x3 = x1; + x1 ^= x4; + x3 |= x4; + x3 ^= x0; + x0 &= x1; + x2 ^= x3; + x0 ^= x4; + x0 |= x2; + x1 ^= x3; + x0 ^= x1; + x4 &= x2; + x1 |= x4; + x4 ^= x3; + x1 ^= x2; + x3 |= x0; + x1 ^= x3; + x3 = ~x3; + x4 ^= x0; + x3 &= x2; + x4 = ~x4; + x3 ^= x1; + x4 ^= x3; + + x0 = (x0 << 13) | (x0 >>> 19); + x4 ^= x0; + x3 = x0 << 3; + x2 = (x2 << 3) | (x2 >>> 29); + x4 ^= x2; + x1 ^= x2; + x4 = (x4 << 1) | (x4 >>> 31); + x1 ^= x3; + x1 = (x1 << 7) | (x1 >>> 25); + x3 = x4; + x0 ^= x4; + x3 <<= 7; + x0 ^= x1; + x2 ^= x1; + x2 ^= x3; + x0 = (x0 << 5) | (x0 >>> 27); + x2 = (x2 << 22) | (x2 >>> 10); + } + + private void sbox2() + { + x3 = x0; + x0 = x0 & x2; + x0 = x0 ^ x1; + x2 = x2 ^ x4; + x2 = x2 ^ x0; + x1 = x1 | x3; + x1 = x1 ^ x4; + x3 = x3 ^ x2; + x4 = x1; + x1 = x1 | x3; + x1 = x1 ^ x0; + x0 = x0 & x4; + x3 = x3 ^ x0; + x4 = x4 ^ x1; + x4 = x4 ^ x3; + x3 = ~x3; + + x2 = (x2 << 13) | (x2 >>> 19); + x1 ^= x2; + x0 = x2 << 3; + x4 = (x4 << 3) | (x4 >>> 29); + x1 ^= x4; + x3 ^= x4; + x1 = (x1 << 1) | (x1 >>> 31); + x3 ^= x0; + x3 = (x3 << 7) | (x3 >>> 25); + x0 = x1; + x2 ^= x1; + x0 <<= 7; + x2 ^= x3; + x4 ^= x3; + x4 ^= x0; + x2 = (x2 << 5) | (x2 >>> 27); + x4 = (x4 << 22) | (x4 >>> 10); + } + + private void sbox3() + { + x0 = x2; + x2 = x2 | x3; + x3 = x3 ^ x1; + x1 = x1 & x0; + x0 = x0 ^ x4; + x4 = x4 ^ x3; + x3 = x3 & x2; + x0 = x0 | x1; + x3 = x3 ^ x0; + x2 = x2 ^ x1; + x0 = x0 & x2; + x1 = x1 ^ x3; + x0 = x0 ^ x4; + x1 = x1 | x2; + x1 = x1 ^ x4; + x2 = x2 ^ x3; + x4 = x1; + x1 = x1 | x3; + x1 = x1 ^ x2; + + x1 = (x1 << 13) | (x1 >>> 19); + x4 ^= x1; + x2 = x1 << 3; + x3 = (x3 << 3) | (x3 >>> 29); + x4 ^= x3; + x0 ^= x3; + x4 = (x4 << 1) | (x4 >>> 31); + x0 ^= x2; + x0 = (x0 << 7) | (x0 >>> 25); + x2 = x4; + x1 ^= x4; + x2 <<= 7; + x1 ^= x0; + x3 ^= x0; + x3 ^= x2; + x1 = (x1 << 5) | (x1 >>> 27); + x3 = (x3 << 22) | (x3 >>> 10); + } + + private void sbox4() + { + x4 = x4 ^ x0; + x0 = ~x0; + x3 = x3 ^ x0; + x0 = x0 ^ x1; + x2 = x4; + x4 = x4 & x0; + x4 = x4 ^ x3; + x2 = x2 ^ x0; + x1 = x1 ^ x2; + x3 = x3 & x2; + x3 = x3 ^ x1; + x1 = x1 & x4; + x0 = x0 ^ x1; + x2 = x2 | x4; + x2 = x2 ^ x1; + x1 = x1 | x0; + x1 = x1 ^ x3; + x3 = x3 & x0; + x1 = ~x1; + x2 = x2 ^ x3; + + x4 = (x4 << 13) | (x4 >>> 19); + x2 ^= x4; + x3 = x4 << 3; + x1 = (x1 << 3) | (x1 >>> 29); + x2 ^= x1; + x0 ^= x1; + x2 = (x2 << 1) | (x2 >>> 31); + x0 ^= x3; + x0 = (x0 << 7) | (x0 >>> 25); + x3 = x2; + x4 ^= x2; + x3 <<= 7; + x4 ^= x0; + x1 ^= x0; + x1 ^= x3; + x4 = (x4 << 5) | (x4 >>> 27); + x1 = (x1 << 22) | (x1 >>> 10); + } + + private void sbox5() + { + x4 = x4 ^ x2; + x2 = x2 ^ x0; + x0 = ~x0; + x3 = x2; + x2 = x2 & x4; + x1 = x1 ^ x0; + x2 = x2 ^ x1; + x1 = x1 | x3; + x3 = x3 ^ x0; + x0 = x0 & x2; + x0 = x0 ^ x4; + x3 = x3 ^ x2; + x3 = x3 ^ x1; + x1 = x1 ^ x4; + x4 = x4 & x0; + x1 = ~x1; + x4 = x4 ^ x3; + x3 = x3 | x0; + x1 = x1 ^ x3; + + x2 = (x2 << 13) | (x2 >>> 19); + x0 ^= x2; + x3 = x2 << 3; + x4 = (x4 << 3) | (x4 >>> 29); + x0 ^= x4; + x1 ^= x4; + x0 = (x0 << 1) | (x0 >>> 31); + x1 ^= x3; + x1 = (x1 << 7) | (x1 >>> 25); + x3 = x0; + x2 ^= x0; + x3 <<= 7; + x2 ^= x1; + x4 ^= x1; + x4 ^= x3; + x2 = (x2 << 5) | (x2 >>> 27); + x4 = (x4 << 22) | (x4 >>> 10); + } + + private void sbox6() + { + x4 = ~x4; + x3 = x1; + x1 = x1 & x2; + x2 = x2 ^ x3; + x1 = x1 ^ x4; + x4 = x4 | x3; + x0 = x0 ^ x1; + x4 = x4 ^ x2; + x2 = x2 | x0; + x4 = x4 ^ x0; + x3 = x3 ^ x2; + x2 = x2 | x1; + x2 = x2 ^ x4; + x3 = x3 ^ x1; + x3 = x3 ^ x2; + x1 = ~x1; + x4 = x4 & x3; + x4 = x4 ^ x1; + x2 = (x2 << 13) | (x2 >>> 19); + x0 ^= x2; + x1 = x2 << 3; + x3 = (x3 << 3) | (x3 >>> 29); + x0 ^= x3; + x4 ^= x3; + x0 = (x0 << 1) | (x0 >>> 31); + x4 ^= x1; + x4 = (x4 << 7) | (x4 >>> 25); + x1 = x0; + x2 ^= x0; + x1 <<= 7; + x2 ^= x4; + x3 ^= x4; + x3 ^= x1; + x2 = (x2 << 5) | (x2 >>> 27); + x3 = (x3 << 22) | (x3 >>> 10); + } + + private void sbox7() + { + x1 = x3; + x3 = x3 & x0; + x3 = x3 ^ x4; + x4 = x4 & x0; + x1 = x1 ^ x3; + x3 = x3 ^ x0; + x0 = x0 ^ x2; + x2 = x2 | x1; + x2 = x2 ^ x3; + x4 = x4 ^ x0; + x3 = x3 ^ x4; + x4 = x4 & x2; + x4 = x4 ^ x1; + x1 = x1 ^ x3; + x3 = x3 & x2; + x1 = ~x1; + x3 = x3 ^ x1; + x1 = x1 & x2; + x0 = x0 ^ x4; + x1 = x1 ^ x0; + x3 = (x3 << 13) | (x3 >>> 19); + x1 ^= x3; + x0 = x3 << 3; + x4 = (x4 << 3) | (x4 >>> 29); + x1 ^= x4; + x2 ^= x4; + x1 = (x1 << 1) | (x1 >>> 31); + x2 ^= x0; + x2 = (x2 << 7) | (x2 >>> 25); + x0 = x1; + x3 ^= x1; + x0 <<= 7; + x3 ^= x2; + x4 ^= x2; + x4 ^= x0; + x3 = (x3 << 5) | (x3 >>> 27); + x4 = (x4 << 22) | (x4 >>> 10); + } + + /** The final S-box, with no transform. */ + private void sbox7noLT() + { + x1 = x3; + x3 = x3 & x0; + x3 = x3 ^ x4; + x4 = x4 & x0; + x1 = x1 ^ x3; + x3 = x3 ^ x0; + x0 = x0 ^ x2; + x2 = x2 | x1; + x2 = x2 ^ x3; + x4 = x4 ^ x0; + x3 = x3 ^ x4; + x4 = x4 & x2; + x4 = x4 ^ x1; + x1 = x1 ^ x3; + x3 = x3 & x2; + x1 = ~x1; + x3 = x3 ^ x1; + x1 = x1 & x2; + x0 = x0 ^ x4; + x1 = x1 ^ x0; + } + + private void sboxI7noLT() + { + x4 = x2; + x2 ^= x0; + x0 &= x3; + x2 = ~x2; + x4 |= x3; + x3 ^= x1; + x1 |= x0; + x0 ^= x2; + x2 &= x4; + x1 ^= x2; + x2 ^= x0; + x0 |= x2; + x3 &= x4; + x0 ^= x3; + x4 ^= x1; + x3 ^= x4; + x4 |= x0; + x3 ^= x2; + x4 ^= x2; + } + + private void sboxI6() + { + x1 = (x1 >>> 22) | (x1 << 10); + x3 = (x3 >>> 5) | (x3 << 27); + x2 = x0; + x1 ^= x4; + x2 <<= 7; + x3 ^= x4; + x1 ^= x2; + x3 ^= x0; + x4 = (x4 >>> 7) | (x4 << 25); + x0 = (x0 >>> 1) | (x0 << 31); + x0 ^= x3; + x2 = x3 << 3; + x4 ^= x2; + x3 = (x3 >>> 13) | (x3 << 19); + x0 ^= x1; + x4 ^= x1; + x1 = (x1 >>> 3) | (x1 << 29); + x3 ^= x1; + x2 = x1; + x1 &= x3; + x2 ^= x4; + x1 = ~x1; + x4 ^= x0; + x1 ^= x4; + x2 |= x3; + x3 ^= x1; + x4 ^= x2; + x2 ^= x0; + x0 &= x4; + x0 ^= x3; + x3 ^= x4; + x3 |= x1; + x4 ^= x0; + x2 ^= x3; + } + + private void sboxI5() + { + x2 = (x2 >>> 22) | (x2 << 10); + x0 = (x0 >>> 5) | (x0 << 27); + x3 = x1; + x2 ^= x4; + x3 <<= 7; + x0 ^= x4; + x2 ^= x3; + x0 ^= x1; + x4 = (x4 >>> 7) | (x4 << 25); + x1 = (x1 >>> 1) | (x1 << 31); + x1 ^= x0; + x3 = x0 << 3; + x4 ^= x3; + x0 = (x0 >>> 13) | (x0 << 19); + x1 ^= x2; + x4 ^= x2; + x2 = (x2 >>> 3) | (x2 << 29); + x1 = ~x1; + x3 = x4; + x2 ^= x1; + x4 |= x0; + x4 ^= x2; + x2 |= x1; + x2 &= x0; + x3 ^= x4; + x2 ^= x3; + x3 |= x0; + x3 ^= x1; + x1 &= x2; + x1 ^= x4; + x3 ^= x2; + x4 &= x3; + x3 ^= x1; + x4 ^= x0; + x4 ^= x3; + x3 = ~x3; + } + + private void sboxI4() + { + x4 = (x4 >>> 22) | (x4 << 10); + x1 = (x1 >>> 5) | (x1 << 27); + x0 = x3; + x4 ^= x2; + x0 <<= 7; + x1 ^= x2; + x4 ^= x0; + x1 ^= x3; + x2 = (x2 >>> 7) | (x2 << 25); + x3 = (x3 >>> 1) | (x3 << 31); + x3 ^= x1; + x0 = x1 << 3; + x2 ^= x0; + x1 = (x1 >>> 13) | (x1 << 19); + x3 ^= x4; + x2 ^= x4; + x4 = (x4 >>> 3) | (x4 << 29); + x0 = x4; + x4 &= x2; + x4 ^= x3; + x3 |= x2; + x3 &= x1; + x0 ^= x4; + x0 ^= x3; + x3 &= x4; + x1 = ~x1; + x2 ^= x0; + x3 ^= x2; + x2 &= x1; + x2 ^= x4; + x1 ^= x3; + x4 &= x1; + x2 ^= x1; + x4 ^= x0; + x4 |= x2; + x2 ^= x1; + x4 ^= x3; + } + + private void sboxI3() + { + x4 = (x4 >>> 22) | (x4 << 10); + x1 = (x1 >>> 5) | (x1 << 27); + x3 = x2; + x4 ^= x0; + x3 <<= 7; + x1 ^= x0; + x4 ^= x3; + x1 ^= x2; + x0 = (x0 >>> 7) | (x0 << 25); + x2 = (x2 >>> 1) | (x2 << 31); + x2 ^= x1; + x3 = x1 << 3; + x0 ^= x3; + x1 = (x1 >>> 13) | (x1 << 19); + x2 ^= x4; + x0 ^= x4; + x4 = (x4 >>> 3) | (x4 << 29); + x3 = x4; + x4 ^= x2; + x2 &= x4; + x2 ^= x1; + x1 &= x3; + x3 ^= x0; + x0 |= x2; + x0 ^= x4; + x1 ^= x3; + x4 ^= x1; + x1 |= x0; + x1 ^= x2; + x3 ^= x4; + x4 &= x0; + x2 |= x0; + x2 ^= x4; + x3 ^= x1; + x4 ^= x3; + } + + private void sboxI2() + { + x4 = (x4 >>> 22) | (x4 << 10); + x0 = (x0 >>> 5) | (x0 << 27); + x3 = x1; + x4 ^= x2; + x3 <<= 7; + x0 ^= x2; + x4 ^= x3; + x0 ^= x1; + x2 = (x2 >>> 7) | (x2 << 25); + x1 = (x1 >>> 1) | (x1 << 31); + x1 ^= x0; + x3 = x0 << 3; + x2 ^= x3; + x0 = (x0 >>> 13) | (x0 << 19); + x1 ^= x4; + x2 ^= x4; + x4 = (x4 >>> 3) | (x4 << 29); + x4 ^= x2; + x2 ^= x0; + x3 = x2; + x2 &= x4; + x2 ^= x1; + x1 |= x4; + x1 ^= x3; + x3 &= x2; + x4 ^= x2; + x3 &= x0; + x3 ^= x4; + x4 &= x1; + x4 |= x0; + x2 = ~x2; + x4 ^= x2; + x0 ^= x2; + x0 &= x1; + x2 ^= x3; + x2 ^= x0; + } + + private void sboxI1() + { + x4 = (x4 >>> 22) | (x4 << 10); + x1 = (x1 >>> 5) | (x1 << 27); + x0 = x3; + x4 ^= x2; + x0 <<= 7; + x1 ^= x2; + x4 ^= x0; + x1 ^= x3; + x2 = (x2 >>> 7) | (x2 << 25); + x3 = (x3 >>> 1) | (x3 << 31); + x3 ^= x1; + x0 = x1 << 3; + x2 ^= x0; + x1 = (x1 >>> 13) | (x1 << 19); + x3 ^= x4; + x2 ^= x4; + x4 = (x4 >>> 3) | (x4 << 29); + x0 = x3; + x3 ^= x2; + x2 &= x3; + x0 ^= x4; + x2 ^= x1; + x1 |= x3; + x4 ^= x2; + x1 ^= x0; + x1 |= x4; + x3 ^= x2; + x1 ^= x3; + x3 |= x2; + x3 ^= x1; + x0 = ~x0; + x0 ^= x3; + x3 |= x1; + x3 ^= x1; + x3 |= x0; + x2 ^= x3; + } + + private void sboxI0() + { + x2 = (x2 >>> 22) | (x2 << 10); + x0 = (x0 >>> 5) | (x0 << 27); + x3 = x1; + x2 ^= x4; + x3 <<= 7; + x0 ^= x4; + x2 ^= x3; + x0 ^= x1; + x4 = (x4 >>> 7) | (x4 << 25); + x1 = (x1 >>> 1) | (x1 << 31); + x1 ^= x0; + x3 = x0 << 3; + x4 ^= x3; + x0 = (x0 >>> 13) | (x0 << 19); + x1 ^= x2; + x4 ^= x2; + x2 = (x2 >>> 3) | (x2 << 29); + x2 = ~x2; + x3 = x1; + x1 |= x0; + x3 = ~x3; + x1 ^= x2; + x2 |= x3; + x1 ^= x4; + x0 ^= x3; + x2 ^= x0; + x0 &= x4; + x3 ^= x0; + x0 |= x1; + x0 ^= x2; + x4 ^= x3; + x2 ^= x1; + x4 ^= x0; + x4 ^= x1; + x2 &= x4; + x3 ^= x2; + } + + private void sboxI7() + { + x1 = (x1 >>> 22) | (x1 << 10); + x0 = (x0 >>> 5) | (x0 << 27); + x2 = x3; + x1 ^= x4; + x2 <<= 7; + x0 ^= x4; + x1 ^= x2; + x0 ^= x3; + x4 = (x4 >>> 7) | (x4 << 25); + x3 = (x3 >>> 1) | (x3 << 31); + x3 ^= x0; + x2 = x0 << 3; + x4 ^= x2; + x0 = (x0 >>> 13) | (x0 << 19); + x3 ^= x1; + x4 ^= x1; + x1 = (x1 >>> 3) | (x1 << 29); + x2 = x1; + x1 ^= x0; + x0 &= x4; + x1 = ~x1; + x2 |= x4; + x4 ^= x3; + x3 |= x0; + x0 ^= x1; + x1 &= x2; + x3 ^= x1; + x1 ^= x0; + x0 |= x1; + x4 &= x2; + x0 ^= x4; + x2 ^= x3; + x4 ^= x2; + x2 |= x0; + x4 ^= x1; + x2 ^= x1; + } + + /** S-Box 0. */ + private void sbox0(int r0, int r1, int r2, int r3) + { + int r4 = r1 ^ r2; + r3 ^= r0; + r1 = r1 & r3 ^ r0; + r0 = (r0 | r3) ^ r4; + r4 ^= r3; + r3 ^= r2; + r2 = (r2 | r1) ^ r4; + r4 = ~r4 | r1; + r1 ^= r3 ^ r4; + r3 |= r0; + x0 = r1 ^ r3; + x1 = r4 ^ r3; + x2 = r2; + x3 = r0; + } + + /** S-Box 1. */ + private void sbox1(int r0, int r1, int r2, int r3) + { + r0 = ~r0; + int r4 = r0; + r2 = ~r2; + r0 &= r1; + r2 ^= r0; + r0 |= r3; + r3 ^= r2; + r1 ^= r0; + r0 ^= r4; + r4 |= r1; + r1 ^= r3; + r2 = (r2 | r0) & r4; + r0 ^= r1; + x0 = r2; + x1 = r0 & r2 ^ r4; + x2 = r3; + x3 = r1 & r2 ^ r0; + } + + /** S-Box 2. */ + private void sbox2(int r0, int r1, int r2, int r3) + { + int r4 = r0; + r0 = r0 & r2 ^ r3; + r2 = r2 ^ r1 ^ r0; + r3 = (r3 | r4) ^ r1; + r4 ^= r2; + r1 = r3; + r3 = (r3 | r4) ^ r0; + r0 &= r1; + r4 ^= r0; + x0 = r2; + x1 = r3; + x2 = r1 ^ r3 ^ r4; + x3 = ~r4; + } + + /** S-Box 3. */ + private void sbox3(int r0, int r1, int r2, int r3) + { + int r4 = r0; + r0 |= r3; + r3 ^= r1; + r1 &= r4; + r4 = r4 ^ r2 | r1; + r2 ^= r3; + r3 = r3 & r0 ^ r4; + r0 ^= r1; + r4 = r4 & r0 ^ r2; + r1 = (r1 ^ r3 | r0) ^ r2; + r0 ^= r3; + x0 = (r1 | r3) ^ r0; + x1 = r1; + x2 = r3; + x3 = r4; + } + + /** S-Box 4. */ + private void sbox4(int r0, int r1, int r2, int r3) + { + r1 ^= r3; + int r4 = r1; + r3 = ~r3; + r2 ^= r3; + r3 ^= r0; + r1 = r1 & r3 ^ r2; + r4 ^= r3; + r0 ^= r4; + r2 = r2 & r4 ^ r0; + r0 &= r1; + r3 ^= r0; + r4 = (r4 | r1) ^ r0; + x0 = r1; + x1 = r4 ^ (r2 & r3); + x2 = ~((r0 | r3) ^ r2); + x3 = r3; + } + + /** S-Box 5. */ + private void sbox5(int r0, int r1, int r2, int r3) + { + r0 ^= r1; + r1 ^= r3; + int r4 = r1; + r3 = ~r3; + r1 &= r0; + r2 ^= r3; + r1 ^= r2; + r2 |= r4; + r4 ^= r3; + r3 = r3 & r1 ^ r0; + r4 = r4 ^ r1 ^ r2; + x0 = r1; + x1 = r3; + x2 = r0 & r3 ^ r4; + x3 = ~(r2 ^ r0) ^ (r4 | r3); + } + + /** S-Box 6. */ + private void sbox6(int r0, int r1, int r2, int r3) + { + int r4 = r3; + r2 = ~r2; + r3 = r3 & r0 ^ r2; + r0 ^= r4; + r2 = (r2 | r4) ^ r0; + r1 ^= r3; + r0 |= r1; + r2 ^= r1; + r4 ^= r0; + r0 = (r0 | r3) ^ r2; + r4 = r4 ^ r3 ^ r0; + x0 = r0; + x1 = r1; + x2 = r4; + x3 = r2 & r4 ^ ~r3; + } + + /** S-Box 7. */ + private void sbox7(int r0, int r1, int r2, int r3) + { + int r4 = r1; + r1 = (r1 | r2) ^ r3; + r4 ^= r2; + r2 ^= r1; + r3 = (r3 | r4) & r0; + r4 ^= r2; + r3 ^= r1; + r1 = (r1 | r4) ^ r0; + r0 = (r0 | r4) ^ r2; + r1 ^= r4; + r2 ^= r1; + x0 = r4 ^ (~r2 | r0); + x1 = r3; + x2 = r1 & r0 ^ r4; + x3 = r0; + } + + private class Key + implements Cloneable + { + int k0, k1, k2, k3, k4, k5, k6, k7, k8, k9, k10, k11, k12, k13, k14, k15, + k16, k17, k18, k19, k20, k21, k22, k23, k24, k25, k26, k27, k28, k29, + k30, k31, k32, k33, k34, k35, k36, k37, k38, k39, k40, k41, k42, k43, + k44, k45, k46, k47, k48, k49, k50, k51, k52, k53, k54, k55, k56, k57, + k58, k59, k60, k61, k62, k63, k64, k65, k66, k67, k68, k69, k70, k71, + k72, k73, k74, k75, k76, k77, k78, k79, k80, k81, k82, k83, k84, k85, + k86, k87, k88, k89, k90, k91, k92, k93, k94, k95, k96, k97, k98, k99, + k100, k101, k102, k103, k104, k105, k106, k107, k108, k109, k110, k111, + k112, k113, k114, k115, k116, k117, k118, k119, k120, k121, k122, k123, + k124, k125, k126, k127, k128, k129, k130, k131; + + /** Trivial 0-arguments constructor. */ + Key() + { + } + + /** Cloning constructor. */ + private Key(Key that) + { + this.k0 = that.k0; + this.k1 = that.k1; + this.k2 = that.k2; + this.k3 = that.k3; + this.k4 = that.k4; + this.k5 = that.k5; + this.k6 = that.k6; + this.k7 = that.k7; + this.k8 = that.k8; + this.k9 = that.k9; + this.k10 = that.k10; + this.k11 = that.k11; + this.k12 = that.k12; + this.k13 = that.k13; + this.k14 = that.k14; + this.k15 = that.k15; + this.k16 = that.k16; + this.k17 = that.k17; + this.k18 = that.k18; + this.k19 = that.k19; + this.k20 = that.k20; + this.k21 = that.k21; + this.k22 = that.k22; + this.k23 = that.k23; + this.k24 = that.k24; + this.k25 = that.k25; + this.k26 = that.k26; + this.k27 = that.k27; + this.k28 = that.k28; + this.k29 = that.k29; + this.k30 = that.k30; + this.k31 = that.k31; + this.k32 = that.k32; + this.k33 = that.k33; + this.k34 = that.k34; + this.k35 = that.k35; + this.k36 = that.k36; + this.k37 = that.k37; + this.k38 = that.k38; + this.k39 = that.k39; + this.k40 = that.k40; + this.k41 = that.k41; + this.k42 = that.k42; + this.k43 = that.k43; + this.k44 = that.k44; + this.k45 = that.k45; + this.k46 = that.k46; + this.k47 = that.k47; + this.k48 = that.k48; + this.k49 = that.k49; + this.k50 = that.k50; + this.k51 = that.k51; + this.k52 = that.k52; + this.k53 = that.k53; + this.k54 = that.k54; + this.k55 = that.k55; + this.k56 = that.k56; + this.k57 = that.k57; + this.k58 = that.k58; + this.k59 = that.k59; + this.k60 = that.k60; + this.k61 = that.k61; + this.k62 = that.k62; + this.k63 = that.k63; + this.k64 = that.k64; + this.k65 = that.k65; + this.k66 = that.k66; + this.k67 = that.k67; + this.k68 = that.k68; + this.k69 = that.k69; + this.k70 = that.k70; + this.k71 = that.k71; + this.k72 = that.k72; + this.k73 = that.k73; + this.k74 = that.k74; + this.k75 = that.k75; + this.k76 = that.k76; + this.k77 = that.k77; + this.k78 = that.k78; + this.k79 = that.k79; + this.k80 = that.k80; + this.k81 = that.k81; + this.k82 = that.k82; + this.k83 = that.k83; + this.k84 = that.k84; + this.k85 = that.k85; + this.k86 = that.k86; + this.k87 = that.k87; + this.k88 = that.k88; + this.k89 = that.k89; + this.k90 = that.k90; + this.k91 = that.k91; + this.k92 = that.k92; + this.k93 = that.k93; + this.k94 = that.k94; + this.k95 = that.k95; + this.k96 = that.k96; + this.k97 = that.k97; + this.k98 = that.k98; + this.k99 = that.k99; + this.k100 = that.k100; + this.k101 = that.k101; + this.k102 = that.k102; + this.k103 = that.k103; + this.k104 = that.k104; + this.k105 = that.k105; + this.k106 = that.k106; + this.k107 = that.k107; + this.k108 = that.k108; + this.k109 = that.k109; + this.k110 = that.k110; + this.k111 = that.k111; + this.k112 = that.k112; + this.k113 = that.k113; + this.k114 = that.k114; + this.k115 = that.k115; + this.k116 = that.k116; + this.k117 = that.k117; + this.k118 = that.k118; + this.k119 = that.k119; + this.k120 = that.k120; + this.k121 = that.k121; + this.k122 = that.k122; + this.k123 = that.k123; + this.k124 = that.k124; + this.k125 = that.k125; + this.k126 = that.k126; + this.k127 = that.k127; + this.k128 = that.k128; + this.k129 = that.k129; + this.k130 = that.k130; + this.k131 = that.k131; + } + + public Object clone() + { + return new Key(this); + } + } +} |