From 469bbcf0701e1eb8a6670c23145b0da87357e178 Mon Sep 17 00:00:00 2001 From: Mike Buland Date: Sun, 25 Mar 2012 20:00:08 +0000 Subject: Code is all reorganized. We're about ready to release. I should write up a little explenation of the arrangement. --- src/stable/pearsonhash.cpp | 66 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 src/stable/pearsonhash.cpp (limited to 'src/stable/pearsonhash.cpp') diff --git a/src/stable/pearsonhash.cpp b/src/stable/pearsonhash.cpp new file mode 100644 index 0000000..d753d20 --- /dev/null +++ b/src/stable/pearsonhash.cpp @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2007-2011 Xagasoft, All rights reserved. + * + * This file is part of the libbu++ library and is released under the + * terms of the license contained in the file LICENSE. + */ + +#include "bu/pearsonhash.h" +#include "bu/stream.h" + +uint8_t Bu::PearsonHash::aSBox[] = { + 251, 175, 119, 215, 81, 14, 79, 191, 103, 49, 181, 143, 186, 157, 0, + 232, 31, 32, 55, 60, 152, 58, 17, 237, 174, 70, 160, 144, 220, 90, 57, + 223, 59, 3, 18, 140, 111, 166, 203, 196, 134, 243, 124, 95, 222, 179, + 197, 65, 180, 48, 36, 15, 107, 46, 233, 130, 165, 30, 123, 161, 209, 23, + 97, 16, 40, 91, 219, 61, 100, 10, 210, 109, 250, 127, 22, 138, 29, 108, + 244, 67, 207, 9, 178, 204, 74, 98, 126, 249, 167, 116, 34, 77, 193, + 200, 121, 5, 20, 113, 71, 35, 128, 13, 182, 94, 25, 226, 227, 199, 75, + 27, 41, 245, 230, 224, 43, 225, 177, 26, 155, 150, 212, 142, 218, 115, + 241, 73, 88, 105, 39, 114, 62, 255, 192, 201, 145, 214, 168, 158, 221, + 148, 154, 122, 12, 84, 82, 163, 44, 139, 228, 236, 205, 242, 217, 11, + 187, 146, 159, 64, 86, 239, 195, 42, 106, 198, 118, 112, 184, 172, 87, + 2, 173, 117, 176, 229, 247, 253, 137, 185, 99, 164, 102, 147, 45, 66, + 231, 52, 141, 211, 194, 206, 246, 238, 56, 110, 78, 248, 63, 240, 189, + 93, 92, 51, 53, 183, 19, 171, 72, 50, 33, 104, 101, 69, 8, 252, 83, 120, + 76, 135, 85, 54, 202, 125, 188, 213, 96, 235, 136, 208, 162, 129, 190, + 132, 156, 38, 47, 1, 7, 254, 24, 4, 216, 131, 89, 21, 28, 133, 37, 153, + 149, 80, 170, 68, 6, 169, 234, 151 +}; + +Bu::PearsonHash::PearsonHash() +{ + reset(); +} + +Bu::PearsonHash::~PearsonHash() +{ +} + +void Bu::PearsonHash::reset() +{ + iValue = 0; +} + +void Bu::PearsonHash::setSalt( const Bu::String & /*sSalt*/ ) +{ +} + +void Bu::PearsonHash::addData( const void *sData, int iSize ) +{ + for( int j = 0; j < iSize; j++ ) + { + iValue = aSBox[ iValue^((unsigned char *)sData)[j] ]; + } +} + +Bu::String Bu::PearsonHash::getResult() +{ + return Bu::String((char)iValue); +} + +void Bu::PearsonHash::writeResult( Stream &sOut ) +{ + sOut.write( &iValue, 1 ); +} + -- cgit v1.2.3