mirror of https://github.com/gityf/crc.git
crc16/crc32/crc64
unknown
10 years ago
commit
ea01501f45
@ -0,0 +1,15 @@
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#CFLAGS = -DDEBUG_LOG -D_DEBUG
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#CFLAGS = -DDEBUG_LOG
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CFLAGS = -DLINUX
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CC=gcc -std=c++11 -g -O3 $(CFLAGS)
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CC=gcc -std=c++11 -g $(CFLAGS)
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CCC=gcc -std=c++11 -g $(CFLAGS)
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SHARED_FLAG = -fPIC -shared
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%.o : %.cpp
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$(CC) $(INC) -c $< -o $@
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%.o : %.c
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$(CC) $(INC) -c $< -o $@
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%.o : %.cc
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$(CC) $(INC) -c $< -o $@
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@ -0,0 +1,23 @@
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include ../Makefile.comm
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INC += -I.
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SOURCES = $(foreach d,.,$(wildcard $(d)/*.c))
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OBJS = $(patsubst %.c, %.o, $(SOURCES))
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OBJS += crchash.o
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CC += $(SHARED_FLAG)
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all : libcrc.a
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libcrc.a : $(OBJS)
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ar -rus $@ $^
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@echo ""
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@echo "+--------------------------------------------+"
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@echo "| Finish compilation |"
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@echo "+--------------------------------------------+"
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@echo "| Thanks using libcrc.a |"
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@echo "| copyright(c)Wang Yaofu voipman@qq.com |"
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@echo "+--------------------------------------------+"
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clean:
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rm -rf *.o *.a
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@ -0,0 +1,88 @@
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#include "crc16.h"
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/*
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* Copyright 2001-2010 Georges Menie (www.menie.org)
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* Copyright 2010-2012 Salvatore Sanfilippo (adapted to Redis coding style)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the University of California, Berkeley nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* CRC16 implementation according to CCITT standards.
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*
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* Note by @antirez: this is actually the XMODEM CRC 16 algorithm, using the
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* following parameters:
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*
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* Name : "XMODEM", also known as "ZMODEM", "CRC-16/ACORN"
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* Width : 16 bit
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* Poly : 1021 (That is actually x^16 + x^12 + x^5 + 1)
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* Initialization : 0000
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* Reflect Input byte : False
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* Reflect Output CRC : False
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* Xor constant to output CRC : 0000
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* Output for "123456789" : 31C3
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*/
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static const uint16_t crc16tab[256]= {
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0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7,
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0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef,
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0x1231,0x0210,0x3273,0x2252,0x52b5,0x4294,0x72f7,0x62d6,
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0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de,
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0x2462,0x3443,0x0420,0x1401,0x64e6,0x74c7,0x44a4,0x5485,
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0xa56a,0xb54b,0x8528,0x9509,0xe5ee,0xf5cf,0xc5ac,0xd58d,
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0x3653,0x2672,0x1611,0x0630,0x76d7,0x66f6,0x5695,0x46b4,
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0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc,
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0x48c4,0x58e5,0x6886,0x78a7,0x0840,0x1861,0x2802,0x3823,
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0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,0x9969,0xa90a,0xb92b,
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0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0x0a50,0x3a33,0x2a12,
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0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a,
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0x6ca6,0x7c87,0x4ce4,0x5cc5,0x2c22,0x3c03,0x0c60,0x1c41,
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0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,0x8d68,0x9d49,
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0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0x0e70,
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0xff9f,0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78,
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0x9188,0x81a9,0xb1ca,0xa1eb,0xd10c,0xc12d,0xf14e,0xe16f,
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0x1080,0x00a1,0x30c2,0x20e3,0x5004,0x4025,0x7046,0x6067,
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0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e,
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0x02b1,0x1290,0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256,
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0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,0xe54f,0xd52c,0xc50d,
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0x34e2,0x24c3,0x14a0,0x0481,0x7466,0x6447,0x5424,0x4405,
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0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c,
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0x26d3,0x36f2,0x0691,0x16b0,0x6657,0x7676,0x4615,0x5634,
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0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,0xb98a,0xa9ab,
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0x5844,0x4865,0x7806,0x6827,0x18c0,0x08e1,0x3882,0x28a3,
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0xcb7d,0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a,
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0x4a75,0x5a54,0x6a37,0x7a16,0x0af1,0x1ad0,0x2ab3,0x3a92,
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0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,0x8dc9,
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0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0x0cc1,
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0xef1f,0xff3e,0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8,
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0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0x0ed1,0x1ef0
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};
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uint16_t crc16(const char *buf, int len) {
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int counter;
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uint16_t crc = 0;
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for (counter = 0; counter < len; counter++)
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crc = (crc<<8) ^ crc16tab[((crc>>8) ^ *buf++)&0x00FF];
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return crc;
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}
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@ -0,0 +1,14 @@
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#ifndef _CRC_CRC16_H
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#define _CRC_CRC16_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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uint16_t crc16(const char *buf, int len);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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@ -0,0 +1,78 @@
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/*
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** Copyright (C) 2014 Wang Yaofu
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** All rights reserved.
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**
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**Author:Wang Yaofu voipman@qq.com
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**Description: The source file of class crc32.
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*/
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#include <stdlib.h>
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#include "crc32.h"
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static uint32_t crc32_tab[] =
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{
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0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
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0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
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0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
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0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
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0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
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0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
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0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
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0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
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0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
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0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
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0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
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0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
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0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
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0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
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0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
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0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
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0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
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0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
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0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
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0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
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0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
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0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
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0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
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0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
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0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
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0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
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0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
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0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
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0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
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0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
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0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
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0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
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0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
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0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
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0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
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0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
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0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
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0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
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0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
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0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
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0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
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0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
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0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
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0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
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0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
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0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
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0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
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0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
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0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
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0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
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0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
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0x2d02ef8dL
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};
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/* crc32 hash */
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uint32_t crc32(const char* s, int len)
|
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{
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int i;
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uint32_t crc32val = 0;
|
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crc32val ^= 0xFFFFFFFF;
|
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|
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for (i = 0; i < len; i++) {
|
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crc32val = crc32_tab[(crc32val ^ s[i]) & 0xFF] ^ ((crc32val >> 8) & 0x00FFFFFF);
|
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}
|
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return labs(crc32val ^ 0xFFFFFFFF);
|
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}
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@ -0,0 +1,14 @@
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#ifndef _CRC_CRC32_H
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#define _CRC_CRC32_H
|
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|
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#include <stdint.h>
|
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#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
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|
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uint32_t crc32(const char* s, int len);
|
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|
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#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
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#endif
|
||||
@ -0,0 +1,192 @@
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/* Redis uses the CRC64 variant with "Jones" coefficients and init value of 0.
|
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*
|
||||
* Specification of this CRC64 variant follows:
|
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* Name: crc-64-jones
|
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* Width: 64 bites
|
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* Poly: 0xad93d23594c935a9
|
||||
* Reflected In: True
|
||||
* Xor_In: 0xffffffffffffffff
|
||||
* Reflected_Out: True
|
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* Xor_Out: 0x0
|
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* Check("123456789"): 0xe9c6d914c4b8d9ca
|
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*
|
||||
* Copyright (c) 2012, Salvatore Sanfilippo <antirez at gmail dot com>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* * Redistributions of source code must retain the above copyright notice,
|
||||
* this list of conditions and the following disclaimer.
|
||||
* * Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* * Neither the name of Redis nor the names of its contributors may be used
|
||||
* to endorse or promote products derived from this software without
|
||||
* specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE. */
|
||||
|
||||
#include "crc64.h"
|
||||
|
||||
static const uint64_t crc64_tab[256] = {
|
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0x0000000000000000ULL, 0x7ad870c830358979ULL,
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0xf5b0e190606b12f2ULL, 0x8f689158505e9b8bULL,
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0xc038e5739841b68fULL, 0xbae095bba8743ff6ULL,
|
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0x358804e3f82aa47dULL, 0x4f50742bc81f2d04ULL,
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0xab28ecb46814fe75ULL, 0xd1f09c7c5821770cULL,
|
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0x5e980d24087fec87ULL, 0x24407dec384a65feULL,
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0x6b1009c7f05548faULL, 0x11c8790fc060c183ULL,
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0x9ea0e857903e5a08ULL, 0xe478989fa00bd371ULL,
|
||||
0x7d08ff3b88be6f81ULL, 0x07d08ff3b88be6f8ULL,
|
||||
0x88b81eabe8d57d73ULL, 0xf2606e63d8e0f40aULL,
|
||||
0xbd301a4810ffd90eULL, 0xc7e86a8020ca5077ULL,
|
||||
0x4880fbd87094cbfcULL, 0x32588b1040a14285ULL,
|
||||
0xd620138fe0aa91f4ULL, 0xacf86347d09f188dULL,
|
||||
0x2390f21f80c18306ULL, 0x594882d7b0f40a7fULL,
|
||||
0x1618f6fc78eb277bULL, 0x6cc0863448deae02ULL,
|
||||
0xe3a8176c18803589ULL, 0x997067a428b5bcf0ULL,
|
||||
0xfa11fe77117cdf02ULL, 0x80c98ebf2149567bULL,
|
||||
0x0fa11fe77117cdf0ULL, 0x75796f2f41224489ULL,
|
||||
0x3a291b04893d698dULL, 0x40f16bccb908e0f4ULL,
|
||||
0xcf99fa94e9567b7fULL, 0xb5418a5cd963f206ULL,
|
||||
0x513912c379682177ULL, 0x2be1620b495da80eULL,
|
||||
0xa489f35319033385ULL, 0xde51839b2936bafcULL,
|
||||
0x9101f7b0e12997f8ULL, 0xebd98778d11c1e81ULL,
|
||||
0x64b116208142850aULL, 0x1e6966e8b1770c73ULL,
|
||||
0x8719014c99c2b083ULL, 0xfdc17184a9f739faULL,
|
||||
0x72a9e0dcf9a9a271ULL, 0x08719014c99c2b08ULL,
|
||||
0x4721e43f0183060cULL, 0x3df994f731b68f75ULL,
|
||||
0xb29105af61e814feULL, 0xc849756751dd9d87ULL,
|
||||
0x2c31edf8f1d64ef6ULL, 0x56e99d30c1e3c78fULL,
|
||||
0xd9810c6891bd5c04ULL, 0xa3597ca0a188d57dULL,
|
||||
0xec09088b6997f879ULL, 0x96d1784359a27100ULL,
|
||||
0x19b9e91b09fcea8bULL, 0x636199d339c963f2ULL,
|
||||
0xdf7adabd7a6e2d6fULL, 0xa5a2aa754a5ba416ULL,
|
||||
0x2aca3b2d1a053f9dULL, 0x50124be52a30b6e4ULL,
|
||||
0x1f423fcee22f9be0ULL, 0x659a4f06d21a1299ULL,
|
||||
0xeaf2de5e82448912ULL, 0x902aae96b271006bULL,
|
||||
0x74523609127ad31aULL, 0x0e8a46c1224f5a63ULL,
|
||||
0x81e2d7997211c1e8ULL, 0xfb3aa75142244891ULL,
|
||||
0xb46ad37a8a3b6595ULL, 0xceb2a3b2ba0eececULL,
|
||||
0x41da32eaea507767ULL, 0x3b024222da65fe1eULL,
|
||||
0xa2722586f2d042eeULL, 0xd8aa554ec2e5cb97ULL,
|
||||
0x57c2c41692bb501cULL, 0x2d1ab4dea28ed965ULL,
|
||||
0x624ac0f56a91f461ULL, 0x1892b03d5aa47d18ULL,
|
||||
0x97fa21650afae693ULL, 0xed2251ad3acf6feaULL,
|
||||
0x095ac9329ac4bc9bULL, 0x7382b9faaaf135e2ULL,
|
||||
0xfcea28a2faafae69ULL, 0x8632586aca9a2710ULL,
|
||||
0xc9622c4102850a14ULL, 0xb3ba5c8932b0836dULL,
|
||||
0x3cd2cdd162ee18e6ULL, 0x460abd1952db919fULL,
|
||||
0x256b24ca6b12f26dULL, 0x5fb354025b277b14ULL,
|
||||
0xd0dbc55a0b79e09fULL, 0xaa03b5923b4c69e6ULL,
|
||||
0xe553c1b9f35344e2ULL, 0x9f8bb171c366cd9bULL,
|
||||
0x10e3202993385610ULL, 0x6a3b50e1a30ddf69ULL,
|
||||
0x8e43c87e03060c18ULL, 0xf49bb8b633338561ULL,
|
||||
0x7bf329ee636d1eeaULL, 0x012b592653589793ULL,
|
||||
0x4e7b2d0d9b47ba97ULL, 0x34a35dc5ab7233eeULL,
|
||||
0xbbcbcc9dfb2ca865ULL, 0xc113bc55cb19211cULL,
|
||||
0x5863dbf1e3ac9decULL, 0x22bbab39d3991495ULL,
|
||||
0xadd33a6183c78f1eULL, 0xd70b4aa9b3f20667ULL,
|
||||
0x985b3e827bed2b63ULL, 0xe2834e4a4bd8a21aULL,
|
||||
0x6debdf121b863991ULL, 0x1733afda2bb3b0e8ULL,
|
||||
0xf34b37458bb86399ULL, 0x8993478dbb8deae0ULL,
|
||||
0x06fbd6d5ebd3716bULL, 0x7c23a61ddbe6f812ULL,
|
||||
0x3373d23613f9d516ULL, 0x49aba2fe23cc5c6fULL,
|
||||
0xc6c333a67392c7e4ULL, 0xbc1b436e43a74e9dULL,
|
||||
0x95ac9329ac4bc9b5ULL, 0xef74e3e19c7e40ccULL,
|
||||
0x601c72b9cc20db47ULL, 0x1ac40271fc15523eULL,
|
||||
0x5594765a340a7f3aULL, 0x2f4c0692043ff643ULL,
|
||||
0xa02497ca54616dc8ULL, 0xdafce7026454e4b1ULL,
|
||||
0x3e847f9dc45f37c0ULL, 0x445c0f55f46abeb9ULL,
|
||||
0xcb349e0da4342532ULL, 0xb1eceec59401ac4bULL,
|
||||
0xfebc9aee5c1e814fULL, 0x8464ea266c2b0836ULL,
|
||||
0x0b0c7b7e3c7593bdULL, 0x71d40bb60c401ac4ULL,
|
||||
0xe8a46c1224f5a634ULL, 0x927c1cda14c02f4dULL,
|
||||
0x1d148d82449eb4c6ULL, 0x67ccfd4a74ab3dbfULL,
|
||||
0x289c8961bcb410bbULL, 0x5244f9a98c8199c2ULL,
|
||||
0xdd2c68f1dcdf0249ULL, 0xa7f41839ecea8b30ULL,
|
||||
0x438c80a64ce15841ULL, 0x3954f06e7cd4d138ULL,
|
||||
0xb63c61362c8a4ab3ULL, 0xcce411fe1cbfc3caULL,
|
||||
0x83b465d5d4a0eeceULL, 0xf96c151de49567b7ULL,
|
||||
0x76048445b4cbfc3cULL, 0x0cdcf48d84fe7545ULL,
|
||||
0x6fbd6d5ebd3716b7ULL, 0x15651d968d029fceULL,
|
||||
0x9a0d8ccedd5c0445ULL, 0xe0d5fc06ed698d3cULL,
|
||||
0xaf85882d2576a038ULL, 0xd55df8e515432941ULL,
|
||||
0x5a3569bd451db2caULL, 0x20ed197575283bb3ULL,
|
||||
0xc49581ead523e8c2ULL, 0xbe4df122e51661bbULL,
|
||||
0x3125607ab548fa30ULL, 0x4bfd10b2857d7349ULL,
|
||||
0x04ad64994d625e4dULL, 0x7e7514517d57d734ULL,
|
||||
0xf11d85092d094cbfULL, 0x8bc5f5c11d3cc5c6ULL,
|
||||
0x12b5926535897936ULL, 0x686de2ad05bcf04fULL,
|
||||
0xe70573f555e26bc4ULL, 0x9ddd033d65d7e2bdULL,
|
||||
0xd28d7716adc8cfb9ULL, 0xa85507de9dfd46c0ULL,
|
||||
0x273d9686cda3dd4bULL, 0x5de5e64efd965432ULL,
|
||||
0xb99d7ed15d9d8743ULL, 0xc3450e196da80e3aULL,
|
||||
0x4c2d9f413df695b1ULL, 0x36f5ef890dc31cc8ULL,
|
||||
0x79a59ba2c5dc31ccULL, 0x037deb6af5e9b8b5ULL,
|
||||
0x8c157a32a5b7233eULL, 0xf6cd0afa9582aa47ULL,
|
||||
0x4ad64994d625e4daULL, 0x300e395ce6106da3ULL,
|
||||
0xbf66a804b64ef628ULL, 0xc5bed8cc867b7f51ULL,
|
||||
0x8aeeace74e645255ULL, 0xf036dc2f7e51db2cULL,
|
||||
0x7f5e4d772e0f40a7ULL, 0x05863dbf1e3ac9deULL,
|
||||
0xe1fea520be311aafULL, 0x9b26d5e88e0493d6ULL,
|
||||
0x144e44b0de5a085dULL, 0x6e963478ee6f8124ULL,
|
||||
0x21c640532670ac20ULL, 0x5b1e309b16452559ULL,
|
||||
0xd476a1c3461bbed2ULL, 0xaeaed10b762e37abULL,
|
||||
0x37deb6af5e9b8b5bULL, 0x4d06c6676eae0222ULL,
|
||||
0xc26e573f3ef099a9ULL, 0xb8b627f70ec510d0ULL,
|
||||
0xf7e653dcc6da3dd4ULL, 0x8d3e2314f6efb4adULL,
|
||||
0x0256b24ca6b12f26ULL, 0x788ec2849684a65fULL,
|
||||
0x9cf65a1b368f752eULL, 0xe62e2ad306bafc57ULL,
|
||||
0x6946bb8b56e467dcULL, 0x139ecb4366d1eea5ULL,
|
||||
0x5ccebf68aecec3a1ULL, 0x2616cfa09efb4ad8ULL,
|
||||
0xa97e5ef8cea5d153ULL, 0xd3a62e30fe90582aULL,
|
||||
0xb0c7b7e3c7593bd8ULL, 0xca1fc72bf76cb2a1ULL,
|
||||
0x45775673a732292aULL, 0x3faf26bb9707a053ULL,
|
||||
0x70ff52905f188d57ULL, 0x0a2722586f2d042eULL,
|
||||
0x854fb3003f739fa5ULL, 0xff97c3c80f4616dcULL,
|
||||
0x1bef5b57af4dc5adULL, 0x61372b9f9f784cd4ULL,
|
||||
0xee5fbac7cf26d75fULL, 0x9487ca0fff135e26ULL,
|
||||
0xdbd7be24370c7322ULL, 0xa10fceec0739fa5bULL,
|
||||
0x2e675fb4576761d0ULL, 0x54bf2f7c6752e8a9ULL,
|
||||
0xcdcf48d84fe75459ULL, 0xb71738107fd2dd20ULL,
|
||||
0x387fa9482f8c46abULL, 0x42a7d9801fb9cfd2ULL,
|
||||
0x0df7adabd7a6e2d6ULL, 0x772fdd63e7936bafULL,
|
||||
0xf8474c3bb7cdf024ULL, 0x829f3cf387f8795dULL,
|
||||
0x66e7a46c27f3aa2cULL, 0x1c3fd4a417c62355ULL,
|
||||
0x935745fc4798b8deULL, 0xe98f353477ad31a7ULL,
|
||||
0xa6df411fbfb21ca3ULL, 0xdc0731d78f8795daULL,
|
||||
0x536fa08fdfd90e51ULL, 0x29b7d047efec8728ULL,
|
||||
};
|
||||
|
||||
uint64_t crc64(const char *s, int l) {
|
||||
int j = 0;
|
||||
uint64_t crc = 0;
|
||||
|
||||
for (j = 0; j < l; j++) {
|
||||
uint8_t byte = s[j];
|
||||
crc = crc64_tab[(uint8_t)crc ^ byte] ^ (crc >> 8);
|
||||
}
|
||||
return crc;
|
||||
}
|
||||
|
||||
/* Test main */
|
||||
#ifdef TEST_MAIN
|
||||
#include <stdio.h>
|
||||
int main(void) {
|
||||
printf("e9c6d914c4b8d9ca == %016llx\n",
|
||||
(unsigned long long) crc64("123456789",9));
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
@ -0,0 +1,14 @@
|
||||
#ifndef _CRC_CRC64_H
|
||||
#define _CRC_CRC64_H
|
||||
|
||||
#include <stdint.h>
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif /* __cplusplus */
|
||||
|
||||
uint64_t crc64(const char *s, int l);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif /* __cplusplus */
|
||||
#endif
|
||||
@ -0,0 +1,40 @@
|
||||
/*
|
||||
** Copyright (C) 2014 Wang Yaofu
|
||||
** All rights reserved.
|
||||
**
|
||||
**Author:Wang Yaofu voipman@qq.com
|
||||
**Description: The source file of class CrcHash.
|
||||
*/
|
||||
|
||||
#include "crchash.h"
|
||||
#include "crc16.h"
|
||||
#include "crc32.h"
|
||||
#include "crc64.h"
|
||||
namespace common {
|
||||
uint16_t Hash16(const std::string& key)
|
||||
{
|
||||
return crc16(key.c_str(), key.size());
|
||||
}
|
||||
uint16_t Hash16(const char* cpKey, const int iKeyLen)
|
||||
{
|
||||
return crc16(cpKey, iKeyLen);
|
||||
}
|
||||
|
||||
uint32_t Hash32(const std::string& key)
|
||||
{
|
||||
return crc32(key.c_str(), key.size());
|
||||
}
|
||||
uint32_t Hash32(const char* cpKey, const int iKeyLen)
|
||||
{
|
||||
return crc32(cpKey, iKeyLen);
|
||||
}
|
||||
|
||||
uint64_t Hash64(const std::string& key)
|
||||
{
|
||||
return crc64(key.c_str(), key.size());
|
||||
}
|
||||
uint64_t Hash64(const char* cpKey, const int iKeyLen)
|
||||
{
|
||||
return crc64(cpKey, iKeyLen);
|
||||
}
|
||||
} // namespace common
|
||||
@ -0,0 +1,26 @@
|
||||
/*
|
||||
** Copyright (C) 2014 Wang Yaofu
|
||||
** All rights reserved.
|
||||
**
|
||||
**Author:Wang Yaofu voipman@qq.com
|
||||
**Description: The header file of class CrcHash.
|
||||
*/
|
||||
|
||||
#ifndef _COMMON_CRC_CRCHASH_H_
|
||||
#define _COMMON_CRC_CRCHASH_H_
|
||||
#include <string>
|
||||
#include <stdint.h>
|
||||
namespace common {
|
||||
// string => 0x0000-0xffff
|
||||
uint16_t Hash16(const std::string& key);
|
||||
uint16_t Hash16(const char* cpKey, const int iKeyLen);
|
||||
|
||||
// string => 0x00000000-0xffffffff
|
||||
uint32_t Hash32(const std::string& key);
|
||||
uint32_t Hash32(const char* cpKey, const int iKeyLen);
|
||||
|
||||
// string => 0x0000000000000000-0xffffffffffffffff
|
||||
uint64_t Hash64(const std::string& key);
|
||||
uint64_t Hash64(const char* cpKey, const int iKeyLen);
|
||||
} // namespace common
|
||||
#endif // _COMMON_CRC_CRCHASH_H_
|
||||
Loading…
Reference in New Issue