From cfe5e3905201349e9cf3f95d52ff4bd100bde37d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 14 Apr 2024 21:10:49 +0200 Subject: Adding upstream version 2.39.3. Signed-off-by: Daniel Baumann --- lib/crc64.c | 366 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 366 insertions(+) create mode 100644 lib/crc64.c (limited to 'lib/crc64.c') diff --git a/lib/crc64.c b/lib/crc64.c new file mode 100644 index 0000000..f2ac38a --- /dev/null +++ b/lib/crc64.c @@ -0,0 +1,366 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Library: libcrc + * File: src/crc64.c + * Author: Lammert Bies + * + * This file is licensed under the MIT License as stated below + * + * Copyright (c) 2016 Lammert Bies + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Description + * ----------- + * The source file contains the routines which are needed to + * calculate a 64 bit CRC value of a sequence of bytes. + */ + +#include +#include + +#include "crc64.h" + +#define CRC_START_64_ECMA 0x0000000000000000ull +#define CRC_START_64_WE 0xFFFFFFFFFFFFFFFFull + +const uint64_t crc_tab64[256] = { + 0x0000000000000000ull, + 0x42F0E1EBA9EA3693ull, + 0x85E1C3D753D46D26ull, + 0xC711223CFA3E5BB5ull, + 0x493366450E42ECDFull, + 0x0BC387AEA7A8DA4Cull, + 0xCCD2A5925D9681F9ull, + 0x8E224479F47CB76Aull, + 0x9266CC8A1C85D9BEull, + 0xD0962D61B56FEF2Dull, + 0x17870F5D4F51B498ull, + 0x5577EEB6E6BB820Bull, + 0xDB55AACF12C73561ull, + 0x99A54B24BB2D03F2ull, + 0x5EB4691841135847ull, + 0x1C4488F3E8F96ED4ull, + 0x663D78FF90E185EFull, + 0x24CD9914390BB37Cull, + 0xE3DCBB28C335E8C9ull, + 0xA12C5AC36ADFDE5Aull, + 0x2F0E1EBA9EA36930ull, + 0x6DFEFF5137495FA3ull, + 0xAAEFDD6DCD770416ull, + 0xE81F3C86649D3285ull, + 0xF45BB4758C645C51ull, + 0xB6AB559E258E6AC2ull, + 0x71BA77A2DFB03177ull, + 0x334A9649765A07E4ull, + 0xBD68D2308226B08Eull, + 0xFF9833DB2BCC861Dull, + 0x388911E7D1F2DDA8ull, + 0x7A79F00C7818EB3Bull, + 0xCC7AF1FF21C30BDEull, + 0x8E8A101488293D4Dull, + 0x499B3228721766F8ull, + 0x0B6BD3C3DBFD506Bull, + 0x854997BA2F81E701ull, + 0xC7B97651866BD192ull, + 0x00A8546D7C558A27ull, + 0x4258B586D5BFBCB4ull, + 0x5E1C3D753D46D260ull, + 0x1CECDC9E94ACE4F3ull, + 0xDBFDFEA26E92BF46ull, + 0x990D1F49C77889D5ull, + 0x172F5B3033043EBFull, + 0x55DFBADB9AEE082Cull, + 0x92CE98E760D05399ull, + 0xD03E790CC93A650Aull, + 0xAA478900B1228E31ull, + 0xE8B768EB18C8B8A2ull, + 0x2FA64AD7E2F6E317ull, + 0x6D56AB3C4B1CD584ull, + 0xE374EF45BF6062EEull, + 0xA1840EAE168A547Dull, + 0x66952C92ECB40FC8ull, + 0x2465CD79455E395Bull, + 0x3821458AADA7578Full, + 0x7AD1A461044D611Cull, + 0xBDC0865DFE733AA9ull, + 0xFF3067B657990C3Aull, + 0x711223CFA3E5BB50ull, + 0x33E2C2240A0F8DC3ull, + 0xF4F3E018F031D676ull, + 0xB60301F359DBE0E5ull, + 0xDA050215EA6C212Full, + 0x98F5E3FE438617BCull, + 0x5FE4C1C2B9B84C09ull, + 0x1D14202910527A9Aull, + 0x93366450E42ECDF0ull, + 0xD1C685BB4DC4FB63ull, + 0x16D7A787B7FAA0D6ull, + 0x5427466C1E109645ull, + 0x4863CE9FF6E9F891ull, + 0x0A932F745F03CE02ull, + 0xCD820D48A53D95B7ull, + 0x8F72ECA30CD7A324ull, + 0x0150A8DAF8AB144Eull, + 0x43A04931514122DDull, + 0x84B16B0DAB7F7968ull, + 0xC6418AE602954FFBull, + 0xBC387AEA7A8DA4C0ull, + 0xFEC89B01D3679253ull, + 0x39D9B93D2959C9E6ull, + 0x7B2958D680B3FF75ull, + 0xF50B1CAF74CF481Full, + 0xB7FBFD44DD257E8Cull, + 0x70EADF78271B2539ull, + 0x321A3E938EF113AAull, + 0x2E5EB66066087D7Eull, + 0x6CAE578BCFE24BEDull, + 0xABBF75B735DC1058ull, + 0xE94F945C9C3626CBull, + 0x676DD025684A91A1ull, + 0x259D31CEC1A0A732ull, + 0xE28C13F23B9EFC87ull, + 0xA07CF2199274CA14ull, + 0x167FF3EACBAF2AF1ull, + 0x548F120162451C62ull, + 0x939E303D987B47D7ull, + 0xD16ED1D631917144ull, + 0x5F4C95AFC5EDC62Eull, + 0x1DBC74446C07F0BDull, + 0xDAAD56789639AB08ull, + 0x985DB7933FD39D9Bull, + 0x84193F60D72AF34Full, + 0xC6E9DE8B7EC0C5DCull, + 0x01F8FCB784FE9E69ull, + 0x43081D5C2D14A8FAull, + 0xCD2A5925D9681F90ull, + 0x8FDAB8CE70822903ull, + 0x48CB9AF28ABC72B6ull, + 0x0A3B7B1923564425ull, + 0x70428B155B4EAF1Eull, + 0x32B26AFEF2A4998Dull, + 0xF5A348C2089AC238ull, + 0xB753A929A170F4ABull, + 0x3971ED50550C43C1ull, + 0x7B810CBBFCE67552ull, + 0xBC902E8706D82EE7ull, + 0xFE60CF6CAF321874ull, + 0xE224479F47CB76A0ull, + 0xA0D4A674EE214033ull, + 0x67C58448141F1B86ull, + 0x253565A3BDF52D15ull, + 0xAB1721DA49899A7Full, + 0xE9E7C031E063ACECull, + 0x2EF6E20D1A5DF759ull, + 0x6C0603E6B3B7C1CAull, + 0xF6FAE5C07D3274CDull, + 0xB40A042BD4D8425Eull, + 0x731B26172EE619EBull, + 0x31EBC7FC870C2F78ull, + 0xBFC9838573709812ull, + 0xFD39626EDA9AAE81ull, + 0x3A28405220A4F534ull, + 0x78D8A1B9894EC3A7ull, + 0x649C294A61B7AD73ull, + 0x266CC8A1C85D9BE0ull, + 0xE17DEA9D3263C055ull, + 0xA38D0B769B89F6C6ull, + 0x2DAF4F0F6FF541ACull, + 0x6F5FAEE4C61F773Full, + 0xA84E8CD83C212C8Aull, + 0xEABE6D3395CB1A19ull, + 0x90C79D3FEDD3F122ull, + 0xD2377CD44439C7B1ull, + 0x15265EE8BE079C04ull, + 0x57D6BF0317EDAA97ull, + 0xD9F4FB7AE3911DFDull, + 0x9B041A914A7B2B6Eull, + 0x5C1538ADB04570DBull, + 0x1EE5D94619AF4648ull, + 0x02A151B5F156289Cull, + 0x4051B05E58BC1E0Full, + 0x87409262A28245BAull, + 0xC5B073890B687329ull, + 0x4B9237F0FF14C443ull, + 0x0962D61B56FEF2D0ull, + 0xCE73F427ACC0A965ull, + 0x8C8315CC052A9FF6ull, + 0x3A80143F5CF17F13ull, + 0x7870F5D4F51B4980ull, + 0xBF61D7E80F251235ull, + 0xFD913603A6CF24A6ull, + 0x73B3727A52B393CCull, + 0x31439391FB59A55Full, + 0xF652B1AD0167FEEAull, + 0xB4A25046A88DC879ull, + 0xA8E6D8B54074A6ADull, + 0xEA16395EE99E903Eull, + 0x2D071B6213A0CB8Bull, + 0x6FF7FA89BA4AFD18ull, + 0xE1D5BEF04E364A72ull, + 0xA3255F1BE7DC7CE1ull, + 0x64347D271DE22754ull, + 0x26C49CCCB40811C7ull, + 0x5CBD6CC0CC10FAFCull, + 0x1E4D8D2B65FACC6Full, + 0xD95CAF179FC497DAull, + 0x9BAC4EFC362EA149ull, + 0x158E0A85C2521623ull, + 0x577EEB6E6BB820B0ull, + 0x906FC95291867B05ull, + 0xD29F28B9386C4D96ull, + 0xCEDBA04AD0952342ull, + 0x8C2B41A1797F15D1ull, + 0x4B3A639D83414E64ull, + 0x09CA82762AAB78F7ull, + 0x87E8C60FDED7CF9Dull, + 0xC51827E4773DF90Eull, + 0x020905D88D03A2BBull, + 0x40F9E43324E99428ull, + 0x2CFFE7D5975E55E2ull, + 0x6E0F063E3EB46371ull, + 0xA91E2402C48A38C4ull, + 0xEBEEC5E96D600E57ull, + 0x65CC8190991CB93Dull, + 0x273C607B30F68FAEull, + 0xE02D4247CAC8D41Bull, + 0xA2DDA3AC6322E288ull, + 0xBE992B5F8BDB8C5Cull, + 0xFC69CAB42231BACFull, + 0x3B78E888D80FE17Aull, + 0x7988096371E5D7E9ull, + 0xF7AA4D1A85996083ull, + 0xB55AACF12C735610ull, + 0x724B8ECDD64D0DA5ull, + 0x30BB6F267FA73B36ull, + 0x4AC29F2A07BFD00Dull, + 0x08327EC1AE55E69Eull, + 0xCF235CFD546BBD2Bull, + 0x8DD3BD16FD818BB8ull, + 0x03F1F96F09FD3CD2ull, + 0x41011884A0170A41ull, + 0x86103AB85A2951F4ull, + 0xC4E0DB53F3C36767ull, + 0xD8A453A01B3A09B3ull, + 0x9A54B24BB2D03F20ull, + 0x5D45907748EE6495ull, + 0x1FB5719CE1045206ull, + 0x919735E51578E56Cull, + 0xD367D40EBC92D3FFull, + 0x1476F63246AC884Aull, + 0x568617D9EF46BED9ull, + 0xE085162AB69D5E3Cull, + 0xA275F7C11F7768AFull, + 0x6564D5FDE549331Aull, + 0x279434164CA30589ull, + 0xA9B6706FB8DFB2E3ull, + 0xEB46918411358470ull, + 0x2C57B3B8EB0BDFC5ull, + 0x6EA7525342E1E956ull, + 0x72E3DAA0AA188782ull, + 0x30133B4B03F2B111ull, + 0xF7021977F9CCEAA4ull, + 0xB5F2F89C5026DC37ull, + 0x3BD0BCE5A45A6B5Dull, + 0x79205D0E0DB05DCEull, + 0xBE317F32F78E067Bull, + 0xFCC19ED95E6430E8ull, + 0x86B86ED5267CDBD3ull, + 0xC4488F3E8F96ED40ull, + 0x0359AD0275A8B6F5ull, + 0x41A94CE9DC428066ull, + 0xCF8B0890283E370Cull, + 0x8D7BE97B81D4019Full, + 0x4A6ACB477BEA5A2Aull, + 0x089A2AACD2006CB9ull, + 0x14DEA25F3AF9026Dull, + 0x562E43B4931334FEull, + 0x913F6188692D6F4Bull, + 0xD3CF8063C0C759D8ull, + 0x5DEDC41A34BBEEB2ull, + 0x1F1D25F19D51D821ull, + 0xD80C07CD676F8394ull, + 0x9AFCE626CE85B507ull +}; + + +/* + * uint64_t crc_64_ecma( const unsigned char *input_str, size_t num_bytes ); + * + * The function crc_64_ecma() calculates in one pass the ECMA 64 bit CRC value + * for a byte string that is passed to the function together with a parameter + * indicating the length. + */ + +uint64_t ul_crc64_ecma( const unsigned char *input_str, size_t num_bytes ) { + + uint64_t crc; + const unsigned char *ptr; + size_t a; + + crc = CRC_START_64_ECMA; + ptr = input_str; + + if ( ptr != NULL ) for (a=0; a> 56) ^ (uint64_t) *ptr++) & 0x00000000000000FFull ]; + } + + return crc; + +} /* crc_64_ecma */ + +/* + * uint64_t ul_crc64_we( const unsigned char *input_str, size_t num_bytes ); + * + * The function crc_64_we() calculates in one pass the CRC64-WE 64 bit CRC + * value for a byte string that is passed to the function together with a + * parameter indicating the length. + */ + +uint64_t ul_crc64_we( const unsigned char *input_str, size_t num_bytes ) { + + uint64_t crc; + const unsigned char *ptr; + size_t a; + + crc = CRC_START_64_WE; + ptr = input_str; + + if ( ptr != NULL ) for (a=0; a> 56) ^ (uint64_t) *ptr++) & 0x00000000000000FFull ]; + } + + return crc ^ 0xFFFFFFFFFFFFFFFFull; + +} /* crc_64_we */ + +/* + * uint64_t ul_update_crc64( uint64_t crc, unsigned char c ); + * + * The function update_crc_64() calculates a new CRC-64 value based on the + * previous value of the CRC and the next byte of the data to be checked. + */ + +uint64_t ul_update_crc64( uint64_t crc, unsigned char c ) { + + return (crc << 8) ^ crc_tab64[ ((crc >> 56) ^ (uint64_t) c) & 0x00000000000000FFull ]; + +} /* update_crc_64 */ -- cgit v1.2.3