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	Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Yingke Liu <yingke.d.liu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15971 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			320 lines
		
	
	
		
			5.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			320 lines
		
	
	
		
			5.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/** @file
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CalcuateCrc32 routine.
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Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials                          
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are licensed and made available under the terms and conditions of the BSD License         
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which accompanies this distribution.  The full text of the license may be found at        
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http://opensource.org/licenses/bsd-license.php                                            
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
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**/
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#include <stdlib.h>
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#include "Crc32.h"
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UINT32  mCrcTable[256] = {
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  0x00000000,
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  0x77073096,
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  0xEE0E612C,
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  0x990951BA,
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  0x076DC419,
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  0x706AF48F,
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  0xE963A535,
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  0x9E6495A3,
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  0x0EDB8832,
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  0x79DCB8A4,
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  0xE0D5E91E,
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  0x97D2D988,
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  0x09B64C2B,
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  0x7EB17CBD,
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  0xE7B82D07,
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  0x90BF1D91,
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  0x1DB71064,
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  0x6AB020F2,
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  0xF3B97148,
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  0x84BE41DE,
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  0x1ADAD47D,
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  0x6DDDE4EB,
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  0xF4D4B551,
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  0x83D385C7,
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  0x136C9856,
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  0x646BA8C0,
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  0xFD62F97A,
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  0x8A65C9EC,
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  0x14015C4F,
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  0x63066CD9,
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  0xFA0F3D63,
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  0x8D080DF5,
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  0x3B6E20C8,
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  0x4C69105E,
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  0xD56041E4,
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  0xA2677172,
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  0x3C03E4D1,
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  0x4B04D447,
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  0xD20D85FD,
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  0xA50AB56B,
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  0x35B5A8FA,
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  0x42B2986C,
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  0xDBBBC9D6,
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  0xACBCF940,
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  0x32D86CE3,
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  0x45DF5C75,
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  0xDCD60DCF,
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  0xABD13D59,
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  0x26D930AC,
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  0x51DE003A,
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  0xC8D75180,
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  0xBFD06116,
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  0x21B4F4B5,
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  0x56B3C423,
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  0xCFBA9599,
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  0xB8BDA50F,
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  0x2802B89E,
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  0x5F058808,
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  0xC60CD9B2,
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  0xB10BE924,
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  0x2F6F7C87,
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  0x58684C11,
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  0xC1611DAB,
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  0xB6662D3D,
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  0x76DC4190,
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  0x01DB7106,
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  0x98D220BC,
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  0xEFD5102A,
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  0x71B18589,
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  0x06B6B51F,
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  0x9FBFE4A5,
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  0xE8B8D433,
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  0x7807C9A2,
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  0x0F00F934,
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  0x9609A88E,
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  0xE10E9818,
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  0x7F6A0DBB,
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  0x086D3D2D,
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  0x91646C97,
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  0xE6635C01,
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  0x6B6B51F4,
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  0x1C6C6162,
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  0x856530D8,
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  0xF262004E,
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  0x6C0695ED,
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  0x1B01A57B,
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  0x8208F4C1,
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  0xF50FC457,
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  0x65B0D9C6,
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  0x12B7E950,
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  0x8BBEB8EA,
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  0xFCB9887C,
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  0x62DD1DDF,
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  0x15DA2D49,
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  0x8CD37CF3,
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  0xFBD44C65,
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  0x4DB26158,
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  0x3AB551CE,
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  0xA3BC0074,
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  0xD4BB30E2,
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  0x4ADFA541,
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  0x3DD895D7,
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  0xA4D1C46D,
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  0xD3D6F4FB,
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  0x4369E96A,
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  0x346ED9FC,
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  0xAD678846,
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  0xDA60B8D0,
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  0x44042D73,
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  0x33031DE5,
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  0xAA0A4C5F,
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  0xDD0D7CC9,
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  0x5005713C,
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  0x270241AA,
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  0xBE0B1010,
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  0xC90C2086,
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  0x5768B525,
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  0x206F85B3,
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  0xB966D409,
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  0xCE61E49F,
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  0x5EDEF90E,
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  0x29D9C998,
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  0xB0D09822,
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  0xC7D7A8B4,
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  0x59B33D17,
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  0x2EB40D81,
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  0xB7BD5C3B,
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  0xC0BA6CAD,
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  0xEDB88320,
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  0x9ABFB3B6,
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  0x03B6E20C,
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  0x74B1D29A,
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  0xEAD54739,
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  0x9DD277AF,
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  0x04DB2615,
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  0x73DC1683,
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  0xE3630B12,
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  0x94643B84,
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  0x0D6D6A3E,
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  0x7A6A5AA8,
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  0xE40ECF0B,
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  0x9309FF9D,
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  0x0A00AE27,
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  0x7D079EB1,
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  0xF00F9344,
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  0x8708A3D2,
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  0x1E01F268,
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  0x6906C2FE,
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  0xF762575D,
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  0x806567CB,
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  0x196C3671,
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  0x6E6B06E7,
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  0xFED41B76,
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  0x89D32BE0,
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  0x10DA7A5A,
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  0x67DD4ACC,
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  0xF9B9DF6F,
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  0x8EBEEFF9,
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  0x17B7BE43,
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  0x60B08ED5,
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  0xD6D6A3E8,
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  0xA1D1937E,
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  0x38D8C2C4,
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  0x4FDFF252,
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  0xD1BB67F1,
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  0xA6BC5767,
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  0x3FB506DD,
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  0x48B2364B,
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  0xD80D2BDA,
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  0xAF0A1B4C,
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  0x36034AF6,
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  0x41047A60,
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  0xDF60EFC3,
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  0xA867DF55,
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  0x316E8EEF,
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  0x4669BE79,
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  0xCB61B38C,
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  0xBC66831A,
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  0x256FD2A0,
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  0x5268E236,
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  0xCC0C7795,
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  0xBB0B4703,
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  0x220216B9,
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  0x5505262F,
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  0xC5BA3BBE,
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  0xB2BD0B28,
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  0x2BB45A92,
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  0x5CB36A04,
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  0xC2D7FFA7,
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  0xB5D0CF31,
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  0x2CD99E8B,
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  0x5BDEAE1D,
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  0x9B64C2B0,
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  0xEC63F226,
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  0x756AA39C,
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  0x026D930A,
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  0x9C0906A9,
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  0xEB0E363F,
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  0x72076785,
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  0x05005713,
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  0x95BF4A82,
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  0xE2B87A14,
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  0x7BB12BAE,
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  0x0CB61B38,
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  0x92D28E9B,
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  0xE5D5BE0D,
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  0x7CDCEFB7,
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  0x0BDBDF21,
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  0x86D3D2D4,
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  0xF1D4E242,
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  0x68DDB3F8,
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  0x1FDA836E,
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  0x81BE16CD,
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  0xF6B9265B,
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  0x6FB077E1,
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  0x18B74777,
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  0x88085AE6,
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  0xFF0F6A70,
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  0x66063BCA,
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  0x11010B5C,
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  0x8F659EFF,
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  0xF862AE69,
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  0x616BFFD3,
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  0x166CCF45,
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  0xA00AE278,
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  0xD70DD2EE,
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  0x4E048354,
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  0x3903B3C2,
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  0xA7672661,
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  0xD06016F7,
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  0x4969474D,
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  0x3E6E77DB,
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  0xAED16A4A,
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  0xD9D65ADC,
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  0x40DF0B66,
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  0x37D83BF0,
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  0xA9BCAE53,
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  0xDEBB9EC5,
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  0x47B2CF7F,
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  0x30B5FFE9,
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  0xBDBDF21C,
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  0xCABAC28A,
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  0x53B39330,
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  0x24B4A3A6,
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  0xBAD03605,
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  0xCDD70693,
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  0x54DE5729,
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  0x23D967BF,
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  0xB3667A2E,
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  0xC4614AB8,
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  0x5D681B02,
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  0x2A6F2B94,
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  0xB40BBE37,
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  0xC30C8EA1,
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  0x5A05DF1B,
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  0x2D02EF8D
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};
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EFI_STATUS
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CalculateCrc32 (
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  IN  UINT8                             *Data,
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  IN  UINTN                             DataSize,
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  IN OUT UINT32                         *CrcOut
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  )
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/*++
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Routine Description:
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  The CalculateCrc32 routine.
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Arguments:
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  Data        - The buffer contaning the data to be processed
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  DataSize    - The size of data to be processed
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  CrcOut      - A pointer to the caller allocated UINT32 that on
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                contains the CRC32 checksum of Data
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Returns:
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  EFI_SUCCESS               - Calculation is successful.
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  EFI_INVALID_PARAMETER     - Data / CrcOut = NULL, or DataSize = 0
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--*/
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{
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  UINT32  Crc;
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  UINTN   Index;
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  UINT8   *Ptr;
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  if ((DataSize == 0) || (Data == NULL) || (CrcOut == NULL)) {
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    return EFI_INVALID_PARAMETER;
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  }
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  Crc = 0xffffffff;
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  for (Index = 0, Ptr = Data; Index < DataSize; Index++, Ptr++) {
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    Crc = (Crc >> 8) ^ mCrcTable[(UINT8) Crc ^ *Ptr];
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  }
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  *CrcOut = Crc ^ 0xffffffff;
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  return EFI_SUCCESS;
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}
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