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966 lines
30 KiB
966 lines
30 KiB
// $Id: SIMDSmallCore.java 241 2010-06-21 15:04:01Z tp $ |
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package fr.cryptohash; |
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/** |
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* This class implements SIMD-224 and SIMD-256. |
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* |
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* <pre> |
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* ==========================(LICENSE BEGIN)============================ |
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* |
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* Copyright (c) 2007-2010 Projet RNRT SAPHIR |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining |
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* a copy of this software and associated documentation files (the |
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* "Software"), to deal in the Software without restriction, including |
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* without limitation the rights to use, copy, modify, merge, publish, |
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* distribute, sublicense, and/or sell copies of the Software, and to |
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* permit persons to whom the Software is furnished to do so, subject to |
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* the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be |
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* included in all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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* |
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* ===========================(LICENSE END)============================= |
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* </pre> |
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* |
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* @version $Revision: 241 $ |
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* @author Thomas Pornin <[email protected]> |
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*/ |
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abstract class SIMDSmallCore extends DigestEngine { |
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private int[] state; |
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private int[] q, w, tmpState, tA; |
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/** |
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* Create the object. |
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*/ |
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SIMDSmallCore() |
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{ |
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} |
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/** @see Digest */ |
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public int getBlockLength() |
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{ |
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return 64; |
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} |
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/** @see DigestEngine */ |
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protected Digest copyState(SIMDSmallCore dst) |
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{ |
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System.arraycopy(state, 0, dst.state, 0, 16); |
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return super.copyState(dst); |
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} |
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/** @see DigestEngine */ |
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protected void engineReset() |
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{ |
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int[] iv = getInitVal(); |
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System.arraycopy(iv, 0, state, 0, 16); |
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} |
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/** |
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* Get the initial value for this algorithm. |
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* |
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* @return the initial value (eight 32-bit words) |
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*/ |
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abstract int[] getInitVal(); |
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/** @see DigestEngine */ |
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protected void doPadding(byte[] output, int outputOffset) |
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{ |
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int ptr = flush(); |
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byte[] buf = getBlockBuffer(); |
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if (ptr != 0) { |
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for (int i = ptr; i < 64; i ++) |
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buf[i] = 0x00; |
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compress(buf, false); |
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} |
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long count = (getBlockCount() << 9) + (long)(ptr << 3); |
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encodeLEInt((int)count, buf, 0); |
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encodeLEInt((int)(count >> 32), buf, 4); |
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for (int i = 8; i < 64; i ++) |
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buf[i] = 0x00; |
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compress(buf, true); |
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int n = getDigestLength() >>> 2; |
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for (int i = 0; i < n; i ++) |
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encodeLEInt(state[i], output, outputOffset + (i << 2)); |
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} |
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/** @see DigestEngine */ |
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protected void doInit() |
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{ |
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state = new int[16]; |
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q = new int[128]; |
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w = new int[32]; |
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tmpState = new int[16]; |
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tA = new int[4]; |
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engineReset(); |
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} |
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/** |
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* Encode the 32-bit word {@code val} into the array |
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* {@code buf} at offset {@code off}, in little-endian |
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* convention (least significant byte first). |
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* |
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* @param val the value to encode |
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* @param buf the destination buffer |
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* @param off the destination offset |
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*/ |
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private static final void encodeLEInt(int val, byte[] buf, int off) |
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{ |
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buf[off + 0] = (byte)val; |
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buf[off + 1] = (byte)(val >>> 8); |
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buf[off + 2] = (byte)(val >>> 16); |
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buf[off + 3] = (byte)(val >>> 24); |
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} |
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/** |
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* Decode a 32-bit little-endian word from the array {@code buf} |
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* at offset {@code off}. |
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* |
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* @param buf the source buffer |
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* @param off the source offset |
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* @return the decoded value |
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*/ |
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private static final int decodeLEInt(byte[] buf, int off) |
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{ |
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return ((buf[off + 3] & 0xFF) << 24) |
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| ((buf[off + 2] & 0xFF) << 16) |
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| ((buf[off + 1] & 0xFF) << 8) |
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| (buf[off] & 0xFF); |
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} |
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/** |
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* Perform a circular rotation by {@code n} to the left |
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* of the 32-bit word {@code x}. The {@code n} parameter |
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* must lie between 1 and 31 (inclusive). |
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* |
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* @param x the value to rotate |
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* @param n the rotation count (between 1 and 31) |
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* @return the rotated value |
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*/ |
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static private int circularLeft(int x, int n) |
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{ |
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return (x >>> (32 - n)) | (x << n); |
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} |
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/** @see DigestEngine */ |
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protected void processBlock(byte[] data) |
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{ |
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compress(data, false); |
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} |
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private static final int[] alphaTab = { |
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1, 41, 139, 45, 46, 87, 226, 14, 60, 147, 116, 130, |
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190, 80, 196, 69, 2, 82, 21, 90, 92, 174, 195, 28, |
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120, 37, 232, 3, 123, 160, 135, 138, 4, 164, 42, 180, |
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184, 91, 133, 56, 240, 74, 207, 6, 246, 63, 13, 19, |
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8, 71, 84, 103, 111, 182, 9, 112, 223, 148, 157, 12, |
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235, 126, 26, 38, 16, 142, 168, 206, 222, 107, 18, 224, |
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189, 39, 57, 24, 213, 252, 52, 76, 32, 27, 79, 155, |
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187, 214, 36, 191, 121, 78, 114, 48, 169, 247, 104, 152, |
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64, 54, 158, 53, 117, 171, 72, 125, 242, 156, 228, 96, |
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81, 237, 208, 47, 128, 108, 59, 106, 234, 85, 144, 250, |
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227, 55, 199, 192, 162, 217, 159, 94, 256, 216, 118, 212, |
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211, 170, 31, 243, 197, 110, 141, 127, 67, 177, 61, 188, |
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255, 175, 236, 167, 165, 83, 62, 229, 137, 220, 25, 254, |
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134, 97, 122, 119, 253, 93, 215, 77, 73, 166, 124, 201, |
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17, 183, 50, 251, 11, 194, 244, 238, 249, 186, 173, 154, |
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146, 75, 248, 145, 34, 109, 100, 245, 22, 131, 231, 219, |
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241, 115, 89, 51, 35, 150, 239, 33, 68, 218, 200, 233, |
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44, 5, 205, 181, 225, 230, 178, 102, 70, 43, 221, 66, |
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136, 179, 143, 209, 88, 10, 153, 105, 193, 203, 99, 204, |
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140, 86, 185, 132, 15, 101, 29, 161, 176, 20, 49, 210, |
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129, 149, 198, 151, 23, 172, 113, 7, 30, 202, 58, 65, |
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95, 40, 98, 163 |
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}; |
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private static final int[] yoffN = { |
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1, 98, 95, 58, 30, 113, 23, 198, 129, 49, 176, 29, |
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15, 185, 140, 99, 193, 153, 88, 143, 136, 221, 70, 178, |
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225, 205, 44, 200, 68, 239, 35, 89, 241, 231, 22, 100, |
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34, 248, 146, 173, 249, 244, 11, 50, 17, 124, 73, 215, |
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253, 122, 134, 25, 137, 62, 165, 236, 255, 61, 67, 141, |
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197, 31, 211, 118, 256, 159, 162, 199, 227, 144, 234, 59, |
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128, 208, 81, 228, 242, 72, 117, 158, 64, 104, 169, 114, |
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121, 36, 187, 79, 32, 52, 213, 57, 189, 18, 222, 168, |
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16, 26, 235, 157, 223, 9, 111, 84, 8, 13, 246, 207, |
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240, 133, 184, 42, 4, 135, 123, 232, 120, 195, 92, 21, |
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2, 196, 190, 116, 60, 226, 46, 139 |
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}; |
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private static final int[] yoffF = { |
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2, 156, 118, 107, 45, 212, 111, 162, 97, 249, 211, 3, |
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49, 101, 151, 223, 189, 178, 253, 204, 76, 82, 232, 65, |
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96, 176, 161, 47, 189, 61, 248, 107, 0, 131, 133, 113, |
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17, 33, 12, 111, 251, 103, 57, 148, 47, 65, 249, 143, |
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189, 8, 204, 230, 205, 151, 187, 227, 247, 111, 140, 6, |
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77, 10, 21, 149, 255, 101, 139, 150, 212, 45, 146, 95, |
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160, 8, 46, 254, 208, 156, 106, 34, 68, 79, 4, 53, |
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181, 175, 25, 192, 161, 81, 96, 210, 68, 196, 9, 150, |
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0, 126, 124, 144, 240, 224, 245, 146, 6, 154, 200, 109, |
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210, 192, 8, 114, 68, 249, 53, 27, 52, 106, 70, 30, |
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10, 146, 117, 251, 180, 247, 236, 108 |
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}; |
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private final void fft32(byte[] x, int xb, int xs, int qoff) |
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{ |
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int xd = xs << 1; |
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{ |
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int d1_0, d1_1, d1_2, d1_3, d1_4, d1_5, d1_6, d1_7; |
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int d2_0, d2_1, d2_2, d2_3, d2_4, d2_5, d2_6, d2_7; |
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{ |
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int x0 = x[xb] & 0xFF; |
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int x1 = x[xb + 2 * xd] & 0xFF; |
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int x2 = x[xb + 4 * xd] & 0xFF; |
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int x3 = x[xb + 6 * xd] & 0xFF; |
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int a0 = x0 + x2; |
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int a1 = x0 + (x2 << 4); |
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int a2 = x0 - x2; |
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int a3 = x0 - (x2 << 4); |
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int b0 = x1 + x3; |
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int b1 = ((((x1 << 2) + (x3 << 6)) & 0xFF) |
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- (((x1 << 2) + (x3 << 6)) >> 8)); |
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int b2 = (x1 << 4) - (x3 << 4); |
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int b3 = ((((x1 << 6) + (x3 << 2)) & 0xFF) |
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- (((x1 << 6) + (x3 << 2)) >> 8)); |
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d1_0 = a0 + b0; |
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d1_1 = a1 + b1; |
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d1_2 = a2 + b2; |
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d1_3 = a3 + b3; |
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d1_4 = a0 - b0; |
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d1_5 = a1 - b1; |
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d1_6 = a2 - b2; |
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d1_7 = a3 - b3; |
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} |
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{ |
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int x0 = x[xb + xd] & 0xFF; |
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int x1 = x[xb + 3 * xd] & 0xFF; |
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int x2 = x[xb + 5 * xd] & 0xFF; |
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int x3 = x[xb + 7 * xd] & 0xFF; |
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int a0 = x0 + x2; |
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int a1 = x0 + (x2 << 4); |
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int a2 = x0 - x2; |
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int a3 = x0 - (x2 << 4); |
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int b0 = x1 + x3; |
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int b1 = ((((x1 << 2) + (x3 << 6)) & 0xFF) |
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- (((x1 << 2) + (x3 << 6)) >> 8)); |
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int b2 = (x1 << 4) - (x3 << 4); |
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int b3 = ((((x1 << 6) + (x3 << 2)) & 0xFF) |
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- (((x1 << 6) + (x3 << 2)) >> 8)); |
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d2_0 = a0 + b0; |
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d2_1 = a1 + b1; |
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d2_2 = a2 + b2; |
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d2_3 = a3 + b3; |
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d2_4 = a0 - b0; |
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d2_5 = a1 - b1; |
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d2_6 = a2 - b2; |
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d2_7 = a3 - b3; |
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} |
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q[qoff + 0] = d1_0 + d2_0; |
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q[qoff + 1] = d1_1 + (d2_1 << 1); |
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q[qoff + 2] = d1_2 + (d2_2 << 2); |
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q[qoff + 3] = d1_3 + (d2_3 << 3); |
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q[qoff + 4] = d1_4 + (d2_4 << 4); |
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q[qoff + 5] = d1_5 + (d2_5 << 5); |
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q[qoff + 6] = d1_6 + (d2_6 << 6); |
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q[qoff + 7] = d1_7 + (d2_7 << 7); |
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q[qoff + 8] = d1_0 - d2_0; |
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q[qoff + 9] = d1_1 - (d2_1 << 1); |
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q[qoff + 10] = d1_2 - (d2_2 << 2); |
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q[qoff + 11] = d1_3 - (d2_3 << 3); |
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q[qoff + 12] = d1_4 - (d2_4 << 4); |
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q[qoff + 13] = d1_5 - (d2_5 << 5); |
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q[qoff + 14] = d1_6 - (d2_6 << 6); |
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q[qoff + 15] = d1_7 - (d2_7 << 7); |
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} |
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{ |
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int d1_0, d1_1, d1_2, d1_3, d1_4, d1_5, d1_6, d1_7; |
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int d2_0, d2_1, d2_2, d2_3, d2_4, d2_5, d2_6, d2_7; |
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{ |
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int x0 = x[xb + xs] & 0xFF; |
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int x1 = x[xb + xs + 2 * xd] & 0xFF; |
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int x2 = x[xb + xs + 4 * xd] & 0xFF; |
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int x3 = x[xb + xs + 6 * xd] & 0xFF; |
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int a0 = x0 + x2; |
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int a1 = x0 + (x2 << 4); |
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int a2 = x0 - x2; |
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int a3 = x0 - (x2 << 4); |
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int b0 = x1 + x3; |
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int b1 = ((((x1 << 2) + (x3 << 6)) & 0xFF) |
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- (((x1 << 2) + (x3 << 6)) >> 8)); |
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int b2 = (x1 << 4) - (x3 << 4); |
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int b3 = ((((x1 << 6) + (x3 << 2)) & 0xFF) |
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- (((x1 << 6) + (x3 << 2)) >> 8)); |
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d1_0 = a0 + b0; |
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d1_1 = a1 + b1; |
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d1_2 = a2 + b2; |
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d1_3 = a3 + b3; |
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d1_4 = a0 - b0; |
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d1_5 = a1 - b1; |
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d1_6 = a2 - b2; |
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d1_7 = a3 - b3; |
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} |
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{ |
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int x0 = x[xb + xs + xd] & 0xFF; |
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int x1 = x[xb + xs + 3 * xd] & 0xFF; |
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int x2 = x[xb + xs + 5 * xd] & 0xFF; |
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int x3 = x[xb + xs + 7 * xd] & 0xFF; |
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int a0 = x0 + x2; |
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int a1 = x0 + (x2 << 4); |
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int a2 = x0 - x2; |
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int a3 = x0 - (x2 << 4); |
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int b0 = x1 + x3; |
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int b1 = ((((x1 << 2) + (x3 << 6)) & 0xFF) |
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- (((x1 << 2) + (x3 << 6)) >> 8)); |
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int b2 = (x1 << 4) - (x3 << 4); |
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int b3 = ((((x1 << 6) + (x3 << 2)) & 0xFF) |
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- (((x1 << 6) + (x3 << 2)) >> 8)); |
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d2_0 = a0 + b0; |
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d2_1 = a1 + b1; |
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d2_2 = a2 + b2; |
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d2_3 = a3 + b3; |
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d2_4 = a0 - b0; |
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d2_5 = a1 - b1; |
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d2_6 = a2 - b2; |
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d2_7 = a3 - b3; |
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}; |
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q[qoff + 16 + 0] = d1_0 + d2_0; |
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q[qoff + 16 + 1] = d1_1 + (d2_1 << 1); |
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q[qoff + 16 + 2] = d1_2 + (d2_2 << 2); |
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q[qoff + 16 + 3] = d1_3 + (d2_3 << 3); |
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q[qoff + 16 + 4] = d1_4 + (d2_4 << 4); |
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q[qoff + 16 + 5] = d1_5 + (d2_5 << 5); |
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q[qoff + 16 + 6] = d1_6 + (d2_6 << 6); |
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q[qoff + 16 + 7] = d1_7 + (d2_7 << 7); |
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q[qoff + 16 + 8] = d1_0 - d2_0; |
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q[qoff + 16 + 9] = d1_1 - (d2_1 << 1); |
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q[qoff + 16 + 10] = d1_2 - (d2_2 << 2); |
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q[qoff + 16 + 11] = d1_3 - (d2_3 << 3); |
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q[qoff + 16 + 12] = d1_4 - (d2_4 << 4); |
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q[qoff + 16 + 13] = d1_5 - (d2_5 << 5); |
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q[qoff + 16 + 14] = d1_6 - (d2_6 << 6); |
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q[qoff + 16 + 15] = d1_7 - (d2_7 << 7); |
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} |
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int m = q[qoff]; |
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int n = q[qoff + 16]; |
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q[qoff] = m + n; |
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q[qoff + 16] = m - n; |
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for (int u = 0, v = 0; u < 16; u += 4, v += 4 * 8) { |
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int t; |
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if (u != 0) { |
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m = q[qoff + u + 0]; |
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n = q[qoff + u + 0 + 16]; |
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t = ((n * alphaTab[v + 0 * 8]) & 0xFFFF) |
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+ ((n * alphaTab[v + 0 * 8]) >> 16); |
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q[qoff + u + 0] = m + t; |
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q[qoff + u + 0 + 16] = m - t; |
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} |
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m = q[qoff + u + 1]; |
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n = q[qoff + u + 1 + 16]; |
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t = (((n * alphaTab[v + 1 * (8)]) & 0xFFFF) |
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+ ((n * alphaTab[v + 1 * (8)]) >> 16)); |
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q[qoff + u + 1] = m + t; |
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q[qoff + u + 1 + 16] = m - t; |
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m = q[qoff + u + 2]; |
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n = q[qoff + u + 2 + 16]; |
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t = (((n * alphaTab[v + 2 * (8)]) & 0xFFFF) |
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+ ((n * alphaTab[v + 2 * (8)]) >> 16)); |
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q[qoff + u + 2] = m + t; |
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q[qoff + u + 2 + 16] = m - t; |
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m = q[qoff + u + 3]; |
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n = q[qoff + u + 3 + 16]; |
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t = (((n * alphaTab[v + 3 * (8)]) & 0xFFFF) |
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+ ((n * alphaTab[v + 3 * (8)]) >> 16)); |
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q[qoff + u + 3] = m + t; |
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q[qoff + u + 3 + 16] = m - t; |
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} |
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} |
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|
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private static final int[] pp4k = { |
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1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2 |
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}; |
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private static final int[] wsp = { |
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4 << 3, 6 << 3, 0 << 3, 2 << 3, |
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7 << 3, 5 << 3, 3 << 3, 1 << 3, |
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15 << 3, 11 << 3, 12 << 3, 8 << 3, |
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9 << 3, 13 << 3, 10 << 3, 14 << 3, |
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17 << 3, 18 << 3, 23 << 3, 20 << 3, |
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22 << 3, 21 << 3, 16 << 3, 19 << 3, |
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30 << 3, 24 << 3, 25 << 3, 31 << 3, |
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27 << 3, 29 << 3, 28 << 3, 26 << 3 |
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}; |
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private final void oneRound(int isp, int p0, int p1, int p2, int p3) |
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{ |
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int tmp; |
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tA[0] = circularLeft(state[0], p0); |
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tA[1] = circularLeft(state[1], p0); |
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tA[2] = circularLeft(state[2], p0); |
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tA[3] = circularLeft(state[3], p0); |
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tmp = state[12] + w[0] |
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+ (((state[4] ^ state[8]) & state[0]) ^ state[8]); |
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state[0] = circularLeft(tmp, p1) + tA[pp4k[isp + 0] ^ 0]; |
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state[12] = state[8]; |
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state[8] = state[4]; |
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state[4] = tA[0]; |
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tmp = state[13] + w[1] |
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+ (((state[5] ^ state[9]) & state[1]) ^ state[9]); |
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state[1] = circularLeft(tmp, p1) + tA[pp4k[isp + 0] ^ 1]; |
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state[13] = state[9]; |
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state[9] = state[5]; |
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state[5] = tA[1]; |
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tmp = state[14] + w[2] |
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+ (((state[6] ^ state[10]) & state[2]) ^ state[10]); |
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state[2] = circularLeft(tmp, p1) + tA[pp4k[isp + 0] ^ 2]; |
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state[14] = state[10]; |
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state[10] = state[6]; |
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state[6] = tA[2]; |
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tmp = state[15] + w[3] |
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+ (((state[7] ^ state[11]) & state[3]) ^ state[11]); |
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state[3] = circularLeft(tmp, p1) + tA[pp4k[isp + 0] ^ 3]; |
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state[15] = state[11]; |
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state[11] = state[7]; |
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state[7] = tA[3]; |
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tA[0] = circularLeft(state[0], p1); |
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tA[1] = circularLeft(state[1], p1); |
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tA[2] = circularLeft(state[2], p1); |
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tA[3] = circularLeft(state[3], p1); |
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tmp = state[12] + w[4] |
|
+ (((state[4] ^ state[8]) & state[0]) ^ state[8]); |
|
state[0] = circularLeft(tmp, p2) + tA[pp4k[isp + 1] ^ 0]; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA[0]; |
|
tmp = state[13] + w[5] |
|
+ (((state[5] ^ state[9]) & state[1]) ^ state[9]); |
|
state[1] = circularLeft(tmp, p2) + tA[pp4k[isp + 1] ^ 1]; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA[1]; |
|
tmp = state[14] + w[6] |
|
+ (((state[6] ^ state[10]) & state[2]) ^ state[10]); |
|
state[2] = circularLeft(tmp, p2) + tA[pp4k[isp + 1] ^ 2]; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA[2]; |
|
tmp = state[15] + w[7] |
|
+ (((state[7] ^ state[11]) & state[3]) ^ state[11]); |
|
state[3] = circularLeft(tmp, p2) + tA[pp4k[isp + 1] ^ 3]; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA[3]; |
|
tA[0] = circularLeft(state[0], p2); |
|
tA[1] = circularLeft(state[1], p2); |
|
tA[2] = circularLeft(state[2], p2); |
|
tA[3] = circularLeft(state[3], p2); |
|
tmp = state[12] + w[8] |
|
+ (((state[4] ^ state[8]) & state[0]) ^ state[8]); |
|
state[0] = circularLeft(tmp, p3) + tA[pp4k[isp + 2] ^ 0]; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA[0]; |
|
tmp = state[13] + w[9] |
|
+ (((state[5] ^ state[9]) & state[1]) ^ state[9]); |
|
state[1] = circularLeft(tmp, p3) + tA[pp4k[isp + 2] ^ 1]; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA[1]; |
|
tmp = state[14] + w[10] |
|
+ (((state[6] ^ state[10]) & state[2]) ^ state[10]); |
|
state[2] = circularLeft(tmp, p3) + tA[pp4k[isp + 2] ^ 2]; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA[2]; |
|
tmp = state[15] + w[11] |
|
+ (((state[7] ^ state[11]) & state[3]) ^ state[11]); |
|
state[3] = circularLeft(tmp, p3) + tA[pp4k[isp + 2] ^ 3]; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA[3]; |
|
tA[0] = circularLeft(state[0], p3); |
|
tA[1] = circularLeft(state[1], p3); |
|
tA[2] = circularLeft(state[2], p3); |
|
tA[3] = circularLeft(state[3], p3); |
|
tmp = state[12] + w[12] |
|
+ (((state[4] ^ state[8]) & state[0]) ^ state[8]); |
|
state[0] = circularLeft(tmp, p0) + tA[pp4k[isp + 3] ^ 0]; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA[0]; |
|
tmp = state[13] + w[13] |
|
+ (((state[5] ^ state[9]) & state[1]) ^ state[9]); |
|
state[1] = circularLeft(tmp, p0) + tA[pp4k[isp + 3] ^ 1]; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA[1]; |
|
tmp = state[14] + w[14] |
|
+ (((state[6] ^ state[10]) & state[2]) ^ state[10]); |
|
state[2] = circularLeft(tmp, p0) + tA[pp4k[isp + 3] ^ 2]; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA[2]; |
|
tmp = state[15] + w[15] |
|
+ (((state[7] ^ state[11]) & state[3]) ^ state[11]); |
|
state[3] = circularLeft(tmp, p0) + tA[pp4k[isp + 3] ^ 3]; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA[3]; |
|
tA[0] = circularLeft(state[0], p0); |
|
tA[1] = circularLeft(state[1], p0); |
|
tA[2] = circularLeft(state[2], p0); |
|
tA[3] = circularLeft(state[3], p0); |
|
tmp = state[12] + w[16] |
|
+ ((state[0] & state[4]) |
|
| ((state[0] | state[4]) & state[8])); |
|
state[0] = circularLeft(tmp, p1) + tA[pp4k[isp + 4] ^ 0]; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA[0]; |
|
tmp = state[13] + w[17] |
|
+ ((state[1] & state[5]) |
|
| ((state[1] | state[5]) & state[9])); |
|
state[1] = circularLeft(tmp, p1) + tA[pp4k[isp + 4] ^ 1]; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA[1]; |
|
tmp = state[14] + w[18] |
|
+ ((state[2] & state[6]) |
|
| ((state[2] | state[6]) & state[10])); |
|
state[2] = circularLeft(tmp, p1) + tA[pp4k[isp + 4] ^ 2]; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA[2]; |
|
tmp = state[15] + w[19] |
|
+ ((state[3] & state[7]) |
|
| ((state[3] | state[7]) & state[11])); |
|
state[3] = circularLeft(tmp, p1) + tA[pp4k[isp + 4] ^ 3]; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA[3]; |
|
tA[0] = circularLeft(state[0], p1); |
|
tA[1] = circularLeft(state[1], p1); |
|
tA[2] = circularLeft(state[2], p1); |
|
tA[3] = circularLeft(state[3], p1); |
|
tmp = state[12] + w[20] |
|
+ ((state[0] & state[4]) |
|
| ((state[0] | state[4]) & state[8])); |
|
state[0] = circularLeft(tmp, p2) + tA[pp4k[isp + 5] ^ 0]; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA[0]; |
|
tmp = state[13] + w[21] |
|
+ ((state[1] & state[5]) |
|
| ((state[1] | state[5]) & state[9])); |
|
state[1] = circularLeft(tmp, p2) + tA[pp4k[isp + 5] ^ 1]; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA[1]; |
|
tmp = state[14] + w[22] |
|
+ ((state[2] & state[6]) |
|
| ((state[2] | state[6]) & state[10])); |
|
state[2] = circularLeft(tmp, p2) + tA[pp4k[isp + 5] ^ 2]; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA[2]; |
|
tmp = state[15] + w[23] |
|
+ ((state[3] & state[7]) |
|
| ((state[3] | state[7]) & state[11])); |
|
state[3] = circularLeft(tmp, p2) + tA[pp4k[isp + 5] ^ 3]; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA[3]; |
|
tA[0] = circularLeft(state[0], p2); |
|
tA[1] = circularLeft(state[1], p2); |
|
tA[2] = circularLeft(state[2], p2); |
|
tA[3] = circularLeft(state[3], p2); |
|
tmp = state[12] + w[24] |
|
+ ((state[0] & state[4]) |
|
| ((state[0] | state[4]) & state[8])); |
|
state[0] = circularLeft(tmp, p3) + tA[pp4k[isp + 6] ^ 0]; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA[0]; |
|
tmp = state[13] + w[25] |
|
+ ((state[1] & state[5]) |
|
| ((state[1] | state[5]) & state[9])); |
|
state[1] = circularLeft(tmp, p3) + tA[pp4k[isp + 6] ^ 1]; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA[1]; |
|
tmp = state[14] + w[26] |
|
+ ((state[2] & state[6]) |
|
| ((state[2] | state[6]) & state[10])); |
|
state[2] = circularLeft(tmp, p3) + tA[pp4k[isp + 6] ^ 2]; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA[2]; |
|
tmp = state[15] + w[27] |
|
+ ((state[3] & state[7]) |
|
| ((state[3] | state[7]) & state[11])); |
|
state[3] = circularLeft(tmp, p3) + tA[pp4k[isp + 6] ^ 3]; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA[3]; |
|
tA[0] = circularLeft(state[0], p3); |
|
tA[1] = circularLeft(state[1], p3); |
|
tA[2] = circularLeft(state[2], p3); |
|
tA[3] = circularLeft(state[3], p3); |
|
tmp = state[12] + w[28] |
|
+ ((state[0] & state[4]) |
|
| ((state[0] | state[4]) & state[8])); |
|
state[0] = circularLeft(tmp, p0) + tA[pp4k[isp + 7] ^ 0]; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA[0]; |
|
tmp = state[13] + w[29] |
|
+ ((state[1] & state[5]) |
|
| ((state[1] | state[5]) & state[9])); |
|
state[1] = circularLeft(tmp, p0) + tA[pp4k[isp + 7] ^ 1]; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA[1]; |
|
tmp = state[14] + w[30] |
|
+ ((state[2] & state[6]) |
|
| ((state[2] | state[6]) & state[10])); |
|
state[2] = circularLeft(tmp, p0) + tA[pp4k[isp + 7] ^ 2]; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA[2]; |
|
tmp = state[15] + w[31] |
|
+ ((state[3] & state[7]) |
|
| ((state[3] | state[7]) & state[11])); |
|
state[3] = circularLeft(tmp, p0) + tA[pp4k[isp + 7] ^ 3]; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA[3]; |
|
} |
|
|
|
private final void compress(byte[] x, boolean last) |
|
{ |
|
fft32(x, 0 + (1 * 0), 1 << 2, 0 + 0); |
|
fft32(x, 0 + (1 * 2), 1 << 2, 0 + 32); |
|
int m = q[0]; |
|
int n = q[0 + 32]; |
|
q[0] = m + n; |
|
q[0 + 32] = m - n; |
|
for (int u = 0, v = 0; u < 32; u += 4, v += 4 * 4) { |
|
int t; |
|
if (u != 0) { |
|
m = q[0 + u + 0]; |
|
n = q[0 + u + 0 + 32]; |
|
t = (((n * alphaTab[v + 0 * 4]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 0 * 4]) >> 16)); |
|
q[0 + u + 0] = m + t; |
|
q[0 + u + 0 + 32] = m - t; |
|
} |
|
m = q[0 + u + 1]; |
|
n = q[0 + u + 1 + 32]; |
|
t = (((n * alphaTab[v + 1 * 4]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 1 * 4]) >> 16)); |
|
q[0 + u + 1] = m + t; |
|
q[0 + u + 1 + 32] = m - t; |
|
m = q[0 + u + 2]; |
|
n = q[0 + u + 2 + 32]; |
|
t = (((n * alphaTab[v + 2 * 4]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 2 * 4]) >> 16)); |
|
q[0 + u + 2] = m + t; |
|
q[0 + u + 2 + 32] = m - t; |
|
m = q[0 + u + 3]; |
|
n = q[0 + u + 3 + 32]; |
|
t = (((n * alphaTab[v + 3 * 4]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 3 * 4]) >> 16)); |
|
q[0 + u + 3] = m + t; |
|
q[0 + u + 3 + 32] = m - t; |
|
} |
|
fft32(x, 0 + (1 * 1), 1 << 2, 0 + 64); |
|
fft32(x, 0 + (1 * 3), 1 << 2, 0 + 96); |
|
m = q[(0 + 64)]; |
|
n = q[(0 + 64) + 32]; |
|
q[(0 + 64)] = m + n; |
|
q[(0 + 64) + 32] = m - n; |
|
for (int u = 0, v = 0; u < 32; u += 4, v += 4 * 4) { |
|
int t; |
|
if (u != 0) { |
|
m = q[(0 + 64) + u + 0]; |
|
n = q[(0 + 64) + u + 0 + 32]; |
|
t = (((n * alphaTab[v + 0 * 4]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 0 * 4]) >> 16)); |
|
q[(0 + 64) + u + 0] = m + t; |
|
q[(0 + 64) + u + 0 + 32] = m - t; |
|
} |
|
m = q[(0 + 64) + u + 1]; |
|
n = q[(0 + 64) + u + 1 + 32]; |
|
t = (((n * alphaTab[v + 1 * 4]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 1 * 4]) >> 16)); |
|
q[(0 + 64) + u + 1] = m + t; |
|
q[(0 + 64) + u + 1 + 32] = m - t; |
|
m = q[(0 + 64) + u + 2]; |
|
n = q[(0 + 64) + u + 2 + 32]; |
|
t = (((n * alphaTab[v + 2 * 4]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 2 * 4]) >> 16)); |
|
q[(0 + 64) + u + 2] = m + t; |
|
q[(0 + 64) + u + 2 + 32] = m - t; |
|
m = q[(0 + 64) + u + 3]; |
|
n = q[(0 + 64) + u + 3 + 32]; |
|
t = (((n * alphaTab[v + 3 * 4]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 3 * 4]) >> 16)); |
|
q[(0 + 64) + u + 3] = m + t; |
|
q[(0 + 64) + u + 3 + 32] = m - t; |
|
} |
|
m = q[0]; |
|
n = q[0 + 64]; |
|
q[0] = m + n; |
|
q[0 + 64] = m - n; |
|
for (int u = 0, v = 0; u < 64; u += 4, v += 4 * 2) { |
|
int t; |
|
if (u != 0) { |
|
m = q[0 + u + 0]; |
|
n = q[0 + u + 0 + 64]; |
|
t = (((n * alphaTab[v + 0 * 2]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 0 * 2]) >> 16)); |
|
q[0 + u + 0] = m + t; |
|
q[0 + u + 0 + 64] = m - t; |
|
} |
|
m = q[0 + u + 1]; |
|
n = q[0 + u + 1 + 64]; |
|
t = (((n * alphaTab[v + 1 * 2]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 1 * 2]) >> 16)); |
|
q[0 + u + 1] = m + t; |
|
q[0 + u + 1 + 64] = m - t; |
|
m = q[0 + u + 2]; |
|
n = q[0 + u + 2 + 64]; |
|
t = (((n * alphaTab[v + 2 * 2]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 2 * 2]) >> 16)); |
|
q[0 + u + 2] = m + t; |
|
q[0 + u + 2 + 64] = m - t; |
|
m = q[0 + u + 3]; |
|
n = q[0 + u + 3 + 64]; |
|
t = (((n * alphaTab[v + 3 * 2]) & 0xFFFF) |
|
+ ((n * alphaTab[v + 3 * 2]) >> 16)); |
|
q[0 + u + 3] = m + t; |
|
q[0 + u + 3 + 64] = m - t; |
|
} |
|
if (last) { |
|
for (int i = 0; i < 128; i++) { |
|
int tq; |
|
|
|
tq = q[i] + yoffF[i]; |
|
tq = ((tq & 0xFFFF) + (tq >> 16)); |
|
tq = ((tq & 0xFF) - (tq >> 8)); |
|
tq = ((tq & 0xFF) - (tq >> 8)); |
|
q[i] = (tq <= 128 ? tq : tq - 257); |
|
} |
|
} else { |
|
for (int i = 0; i < 128; i++) { |
|
int tq; |
|
|
|
tq = q[i] + yoffN[i]; |
|
tq = ((tq & 0xFFFF) + (tq >> 16)); |
|
tq = ((tq & 0xFF) - (tq >> 8)); |
|
tq = ((tq & 0xFF) - (tq >> 8)); |
|
q[i] = (tq <= 128 ? tq : tq - 257); |
|
} |
|
} |
|
|
|
System.arraycopy(state, 0, tmpState, 0, 16); |
|
|
|
for (int i = 0; i < 16; i += 4) { |
|
state[i + 0] ^= decodeLEInt(x, 4 * (i + 0)); |
|
state[i + 1] ^= decodeLEInt(x, 4 * (i + 1)); |
|
state[i + 2] ^= decodeLEInt(x, 4 * (i + 2)); |
|
state[i + 3] ^= decodeLEInt(x, 4 * (i + 3)); |
|
} |
|
|
|
for (int u = 0; u < 32; u += 4) { |
|
int v = wsp[(u >> 2) + 0]; |
|
w[u + 0] = ((((q[v + 2 * 0 + 0]) * 185) & 0xFFFF) |
|
+ (((q[v + 2 * 0 + 1]) * 185) << 16)); |
|
w[u + 1] = ((((q[v + 2 * 1 + 0]) * 185) & 0xFFFF) |
|
+ (((q[v + 2 * 1 + 1]) * 185) << 16)); |
|
w[u + 2] = ((((q[v + 2 * 2 + 0]) * 185) & 0xFFFF) |
|
+ (((q[v + 2 * 2 + 1]) * 185) << 16)); |
|
w[u + 3] = ((((q[v + 2 * 3 + 0]) * 185) & 0xFFFF) |
|
+ (((q[v + 2 * 3 + 1]) * 185) << 16)); |
|
}; |
|
oneRound(0, 3, 23, 17, 27); |
|
for (int u = 0; u < 32; u += 4) { |
|
int v = wsp[(u >> 2) + 8]; |
|
w[u + 0] = ((((q[v + 2 * 0 + 0]) * 185) & 0xFFFF) |
|
+ (((q[v + 2 * 0 + 1]) * 185) << 16)); |
|
w[u + 1] = ((((q[v + 2 * 1 + 0]) * 185) & 0xFFFF) |
|
+ (((q[v + 2 * 1 + 1]) * 185) << 16)); |
|
w[u + 2] = ((((q[v + 2 * 2 + 0]) * 185) & 0xFFFF) |
|
+ (((q[v + 2 * 2 + 1]) * 185) << 16)); |
|
w[u + 3] = ((((q[v + 2 * 3 + 0]) * 185) & 0xFFFF) |
|
+ (((q[v + 2 * 3 + 1]) * 185) << 16)); |
|
}; |
|
oneRound(2, 28, 19, 22, 7); |
|
for (int u = 0; u < 32; u += 4) { |
|
int v = wsp[(u >> 2) + 16]; |
|
w[u + 0] = ((((q[v + 2 * 0 + -128]) * 233) & 0xFFFF) |
|
+ (((q[v + 2 * 0 + -64]) * 233) << 16)); |
|
w[u + 1] = ((((q[v + 2 * 1 + -128]) * 233) & 0xFFFF) |
|
+ (((q[v + 2 * 1 + -64]) * 233) << 16)); |
|
w[u + 2] = ((((q[v + 2 * 2 + -128]) * 233) & 0xFFFF) |
|
+ (((q[v + 2 * 2 + -64]) * 233) << 16)); |
|
w[u + 3] = ((((q[v + 2 * 3 + -128]) * 233) & 0xFFFF) |
|
+ (((q[v + 2 * 3 + -64]) * 233) << 16)); |
|
}; |
|
oneRound(1, 29, 9, 15, 5); |
|
for (int u = 0; u < 32; u += 4) { |
|
int v = wsp[(u >> 2) + 24]; |
|
w[u + 0] = ((((q[v + 2 * 0 + -191]) * 233) & 0xFFFF) |
|
+ (((q[v + 2 * 0 + -127]) * 233) << 16)); |
|
w[u + 1] = ((((q[v + 2 * 1 + -191]) * 233) & 0xFFFF) |
|
+ (((q[v + 2 * 1 + -127]) * 233) << 16)); |
|
w[u + 2] = ((((q[v + 2 * 2 + -191]) * 233) & 0xFFFF) |
|
+ (((q[v + 2 * 2 + -127]) * 233) << 16)); |
|
w[u + 3] = ((((q[v + 2 * 3 + -191]) * 233) & 0xFFFF) |
|
+ (((q[v + 2 * 3 + -127]) * 233) << 16)); |
|
}; |
|
oneRound(0, 4, 13, 10, 25); |
|
|
|
{ |
|
int tA0 = circularLeft(state[0], 4); |
|
int tA1 = circularLeft(state[1], 4); |
|
int tA2 = circularLeft(state[2], 4); |
|
int tA3 = circularLeft(state[3], 4); |
|
int tmp; |
|
tmp = state[12] + (tmpState[0]) + (((state[4] |
|
^ state[8]) & state[0]) ^ state[8]); |
|
state[0] = circularLeft(tmp, 13) + tA3; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA0; |
|
tmp = state[13] + (tmpState[1]) + (((state[5] |
|
^ state[9]) & state[1]) ^ state[9]); |
|
state[1] = circularLeft(tmp, 13) + tA2; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA1; |
|
tmp = state[14] + (tmpState[2]) + (((state[6] |
|
^ state[10]) & state[2]) ^ state[10]); |
|
state[2] = circularLeft(tmp, 13) + tA1; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA2; |
|
tmp = state[15] + (tmpState[3]) + (((state[7] |
|
^ state[11]) & state[3]) ^ state[11]); |
|
state[3] = circularLeft(tmp, 13) + tA0; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA3; |
|
} |
|
{ |
|
int tA0 = circularLeft(state[0], 13); |
|
int tA1 = circularLeft(state[1], 13); |
|
int tA2 = circularLeft(state[2], 13); |
|
int tA3 = circularLeft(state[3], 13); |
|
int tmp; |
|
tmp = state[12] + (tmpState[4]) + (((state[4] |
|
^ state[8]) & state[0]) ^ state[8]); |
|
state[0] = circularLeft(tmp, 10) + tA1; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA0; |
|
tmp = state[13] + (tmpState[5]) + (((state[5] |
|
^ state[9]) & state[1]) ^ state[9]); |
|
state[1] = circularLeft(tmp, 10) + tA0; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA1; |
|
tmp = state[14] + (tmpState[6]) + (((state[6] |
|
^ state[10]) & state[2]) ^ state[10]); |
|
state[2] = circularLeft(tmp, 10) + tA3; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA2; |
|
tmp = state[15] + (tmpState[7]) + (((state[7] |
|
^ state[11]) & state[3]) ^ state[11]); |
|
state[3] = circularLeft(tmp, 10) + tA2; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA3; |
|
} |
|
{ |
|
int tA0 = circularLeft(state[0], 10); |
|
int tA1 = circularLeft(state[1], 10); |
|
int tA2 = circularLeft(state[2], 10); |
|
int tA3 = circularLeft(state[3], 10); |
|
int tmp; |
|
tmp = state[12] + (tmpState[8]) + (((state[4] |
|
^ state[8]) & state[0]) ^ state[8]); |
|
state[0] = circularLeft(tmp, 25) + tA2; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA0; |
|
tmp = state[13] + (tmpState[9]) + (((state[5] |
|
^ state[9]) & state[1]) ^ state[9]); |
|
state[1] = circularLeft(tmp, 25) + tA3; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA1; |
|
tmp = state[14] + (tmpState[10]) + (((state[6] |
|
^ state[10]) & state[2]) ^ state[10]); |
|
state[2] = circularLeft(tmp, 25) + tA0; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA2; |
|
tmp = state[15] + (tmpState[11]) + (((state[7] |
|
^ state[11]) & state[3]) ^ state[11]); |
|
state[3] = circularLeft(tmp, 25) + tA1; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA3; |
|
} |
|
{ |
|
int tA0 = circularLeft(state[0], 25); |
|
int tA1 = circularLeft(state[1], 25); |
|
int tA2 = circularLeft(state[2], 25); |
|
int tA3 = circularLeft(state[3], 25); |
|
int tmp; |
|
tmp = state[12] + (tmpState[12]) + (((state[4] |
|
^ state[8]) & state[0]) ^ state[8]); |
|
state[0] = circularLeft(tmp, 4) + tA3; |
|
state[12] = state[8]; |
|
state[8] = state[4]; |
|
state[4] = tA0; |
|
tmp = state[13] + (tmpState[13]) + (((state[5] |
|
^ state[9]) & state[1]) ^ state[9]); |
|
state[1] = circularLeft(tmp, 4) + tA2; |
|
state[13] = state[9]; |
|
state[9] = state[5]; |
|
state[5] = tA1; |
|
tmp = state[14] + (tmpState[14]) + (((state[6] |
|
^ state[10]) & state[2]) ^ state[10]); |
|
state[2] = circularLeft(tmp, 4) + tA1; |
|
state[14] = state[10]; |
|
state[10] = state[6]; |
|
state[6] = tA2; |
|
tmp = state[15] + (tmpState[15]) + (((state[7] |
|
^ state[11]) & state[3]) ^ state[11]); |
|
state[3] = circularLeft(tmp, 4) + tA0; |
|
state[15] = state[11]; |
|
state[11] = state[7]; |
|
state[7] = tA3; |
|
} |
|
} |
|
|
|
/** @see Digest */ |
|
public String toString() |
|
{ |
|
return "SIMD-" + (getDigestLength() << 3); |
|
} |
|
}
|
|
|