From ea01501f45ef4a543be417cc5f881ff99a1b9969 Mon Sep 17 00:00:00 2001 From: unknown Date: Fri, 18 Sep 2015 18:20:57 +0800 Subject: [PATCH] crc16/crc32/crc64 --- Makefile.comm | 15 ++++ crc/Makefile | 23 ++++++ crc/crc16.c | 88 ++++++++++++++++++++++ crc/crc16.h | 14 ++++ crc/crc32.c | 78 ++++++++++++++++++++ crc/crc32.h | 14 ++++ crc/crc64.c | 192 ++++++++++++++++++++++++++++++++++++++++++++++++ crc/crc64.h | 14 ++++ crc/crchash.cpp | 40 ++++++++++ crc/crchash.h | 26 +++++++ 10 files changed, 504 insertions(+) create mode 100644 Makefile.comm create mode 100644 crc/Makefile create mode 100644 crc/crc16.c create mode 100644 crc/crc16.h create mode 100644 crc/crc32.c create mode 100644 crc/crc32.h create mode 100644 crc/crc64.c create mode 100644 crc/crc64.h create mode 100644 crc/crchash.cpp create mode 100644 crc/crchash.h diff --git a/Makefile.comm b/Makefile.comm new file mode 100644 index 0000000..a1acdda --- /dev/null +++ b/Makefile.comm @@ -0,0 +1,15 @@ +#CFLAGS = -DDEBUG_LOG -D_DEBUG +#CFLAGS = -DDEBUG_LOG +CFLAGS = -DLINUX + +CC=gcc -std=c++11 -g -O3 $(CFLAGS) +CC=gcc -std=c++11 -g $(CFLAGS) +CCC=gcc -std=c++11 -g $(CFLAGS) +SHARED_FLAG = -fPIC -shared + +%.o : %.cpp + $(CC) $(INC) -c $< -o $@ +%.o : %.c + $(CC) $(INC) -c $< -o $@ +%.o : %.cc + $(CC) $(INC) -c $< -o $@ diff --git a/crc/Makefile b/crc/Makefile new file mode 100644 index 0000000..6fedc07 --- /dev/null +++ b/crc/Makefile @@ -0,0 +1,23 @@ +include ../Makefile.comm + +INC += -I. + +SOURCES = $(foreach d,.,$(wildcard $(d)/*.c)) +OBJS = $(patsubst %.c, %.o, $(SOURCES)) +OBJS += crchash.o + +CC += $(SHARED_FLAG) +all : libcrc.a +libcrc.a : $(OBJS) + ar -rus $@ $^ + @echo "" + @echo "+--------------------------------------------+" + @echo "| Finish compilation |" + @echo "+--------------------------------------------+" + @echo "| Thanks using libcrc.a |" + @echo "| copyright(c)Wang Yaofu voipman@qq.com |" + @echo "+--------------------------------------------+" + +clean: + rm -rf *.o *.a + diff --git a/crc/crc16.c b/crc/crc16.c new file mode 100644 index 0000000..41bce33 --- /dev/null +++ b/crc/crc16.c @@ -0,0 +1,88 @@ +#include "crc16.h" + +/* + * Copyright 2001-2010 Georges Menie (www.menie.org) + * Copyright 2010-2012 Salvatore Sanfilippo (adapted to Redis coding style) + * 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 the University of California, Berkeley 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 REGENTS 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 REGENTS AND 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. + */ + +/* CRC16 implementation according to CCITT standards. + * + * Note by @antirez: this is actually the XMODEM CRC 16 algorithm, using the + * following parameters: + * + * Name : "XMODEM", also known as "ZMODEM", "CRC-16/ACORN" + * Width : 16 bit + * Poly : 1021 (That is actually x^16 + x^12 + x^5 + 1) + * Initialization : 0000 + * Reflect Input byte : False + * Reflect Output CRC : False + * Xor constant to output CRC : 0000 + * Output for "123456789" : 31C3 + */ + +static const uint16_t crc16tab[256]= { + 0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7, + 0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef, + 0x1231,0x0210,0x3273,0x2252,0x52b5,0x4294,0x72f7,0x62d6, + 0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de, + 0x2462,0x3443,0x0420,0x1401,0x64e6,0x74c7,0x44a4,0x5485, + 0xa56a,0xb54b,0x8528,0x9509,0xe5ee,0xf5cf,0xc5ac,0xd58d, + 0x3653,0x2672,0x1611,0x0630,0x76d7,0x66f6,0x5695,0x46b4, + 0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc, + 0x48c4,0x58e5,0x6886,0x78a7,0x0840,0x1861,0x2802,0x3823, + 0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,0x9969,0xa90a,0xb92b, + 0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0x0a50,0x3a33,0x2a12, + 0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a, + 0x6ca6,0x7c87,0x4ce4,0x5cc5,0x2c22,0x3c03,0x0c60,0x1c41, + 0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,0x8d68,0x9d49, + 0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0x0e70, + 0xff9f,0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78, + 0x9188,0x81a9,0xb1ca,0xa1eb,0xd10c,0xc12d,0xf14e,0xe16f, + 0x1080,0x00a1,0x30c2,0x20e3,0x5004,0x4025,0x7046,0x6067, + 0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e, + 0x02b1,0x1290,0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256, + 0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,0xe54f,0xd52c,0xc50d, + 0x34e2,0x24c3,0x14a0,0x0481,0x7466,0x6447,0x5424,0x4405, + 0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c, + 0x26d3,0x36f2,0x0691,0x16b0,0x6657,0x7676,0x4615,0x5634, + 0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,0xb98a,0xa9ab, + 0x5844,0x4865,0x7806,0x6827,0x18c0,0x08e1,0x3882,0x28a3, + 0xcb7d,0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a, + 0x4a75,0x5a54,0x6a37,0x7a16,0x0af1,0x1ad0,0x2ab3,0x3a92, + 0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,0x8dc9, + 0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0x0cc1, + 0xef1f,0xff3e,0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8, + 0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0x0ed1,0x1ef0 +}; + +uint16_t crc16(const char *buf, int len) { + int counter; + uint16_t crc = 0; + for (counter = 0; counter < len; counter++) + crc = (crc<<8) ^ crc16tab[((crc>>8) ^ *buf++)&0x00FF]; + return crc; +} diff --git a/crc/crc16.h b/crc/crc16.h new file mode 100644 index 0000000..22ce833 --- /dev/null +++ b/crc/crc16.h @@ -0,0 +1,14 @@ +#ifndef _CRC_CRC16_H +#define _CRC_CRC16_H + +#include +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +uint16_t crc16(const char *buf, int len); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ +#endif diff --git a/crc/crc32.c b/crc/crc32.c new file mode 100644 index 0000000..71ca1b6 --- /dev/null +++ b/crc/crc32.c @@ -0,0 +1,78 @@ +/* +** Copyright (C) 2014 Wang Yaofu +** All rights reserved. +** +**Author:Wang Yaofu voipman@qq.com +**Description: The source file of class crc32. +*/ +#include +#include "crc32.h" +static uint32_t crc32_tab[] = +{ + 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L, + 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L, + 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, + 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL, + 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L, + 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L, + 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, + 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL, + 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L, + 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL, + 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, + 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L, + 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L, + 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL, + 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, + 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L, + 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL, + 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L, + 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, + 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L, + 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL, + 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L, + 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L, + 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL, + 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L, + 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L, + 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L, + 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L, + 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L, + 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL, + 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, + 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L, + 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L, + 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL, + 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL, + 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L, + 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL, + 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L, + 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, + 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L, + 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL, + 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L, + 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, + 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL, + 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L, + 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L, + 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, + 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L, + 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L, + 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L, + 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, + 0x2d02ef8dL +}; + +/* crc32 hash */ +uint32_t crc32(const char* s, int len) +{ + int i; + uint32_t crc32val = 0; + crc32val ^= 0xFFFFFFFF; + + for (i = 0; i < len; i++) { + crc32val = crc32_tab[(crc32val ^ s[i]) & 0xFF] ^ ((crc32val >> 8) & 0x00FFFFFF); + } + + return labs(crc32val ^ 0xFFFFFFFF); +} \ No newline at end of file diff --git a/crc/crc32.h b/crc/crc32.h new file mode 100644 index 0000000..4bfdc5f --- /dev/null +++ b/crc/crc32.h @@ -0,0 +1,14 @@ +#ifndef _CRC_CRC32_H +#define _CRC_CRC32_H + +#include +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +uint32_t crc32(const char* s, int len); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ +#endif diff --git a/crc/crc64.c b/crc/crc64.c new file mode 100644 index 0000000..fd6b628 --- /dev/null +++ b/crc/crc64.c @@ -0,0 +1,192 @@ +/* Redis uses the CRC64 variant with "Jones" coefficients and init value of 0. + * + * Specification of this CRC64 variant follows: + * Name: crc-64-jones + * Width: 64 bites + * Poly: 0xad93d23594c935a9 + * Reflected In: True + * Xor_In: 0xffffffffffffffff + * Reflected_Out: True + * Xor_Out: 0x0 + * Check("123456789"): 0xe9c6d914c4b8d9ca + * + * Copyright (c) 2012, Salvatore Sanfilippo + * 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] = { + 0x0000000000000000ULL, 0x7ad870c830358979ULL, + 0xf5b0e190606b12f2ULL, 0x8f689158505e9b8bULL, + 0xc038e5739841b68fULL, 0xbae095bba8743ff6ULL, + 0x358804e3f82aa47dULL, 0x4f50742bc81f2d04ULL, + 0xab28ecb46814fe75ULL, 0xd1f09c7c5821770cULL, + 0x5e980d24087fec87ULL, 0x24407dec384a65feULL, + 0x6b1009c7f05548faULL, 0x11c8790fc060c183ULL, + 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 +int main(void) { + printf("e9c6d914c4b8d9ca == %016llx\n", + (unsigned long long) crc64("123456789",9)); + return 0; +} +#endif diff --git a/crc/crc64.h b/crc/crc64.h new file mode 100644 index 0000000..9c275e3 --- /dev/null +++ b/crc/crc64.h @@ -0,0 +1,14 @@ +#ifndef _CRC_CRC64_H +#define _CRC_CRC64_H + +#include +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +uint64_t crc64(const char *s, int l); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ +#endif diff --git a/crc/crchash.cpp b/crc/crchash.cpp new file mode 100644 index 0000000..67b3b0c --- /dev/null +++ b/crc/crchash.cpp @@ -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 diff --git a/crc/crchash.h b/crc/crchash.h new file mode 100644 index 0000000..69c022c --- /dev/null +++ b/crc/crchash.h @@ -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 +#include +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_