This is a list of files which have identical 32-bit CRC's but are actually unique and possess different uncompressed file-lengths. These matches illustrate the problem of using a 32-bit CRC matcher for upload processing or duplicate checking on a large BBS system. 27 false matches were found among 480,000 individual file contents_signatures (archive content or plain file). Channel 1 (R) 617-354-3230 (V.32bis) ---------------------------------------------------------------- FWKCST(TM) Contents_Signature Test, Ver. 0.01, !19920714à!. /* for help. (C)Copyright Frederick W. Kantor 1992. All rights reserved. ---------------------------------------------------------------- 01F7FB81 A0A MAIL.ME PAWS22.ZIP J:\50 01F7FB81 2260 MENUEXP.EXE NDW1025.ZIP T:\58 ---------------------------------------------------------------- 1A66E8A1 1138 STARWOOD.TXT DRUID1.ZIP N:\ARJ 1A66E8A1 160D2 DRIVER.ZOO f cs T:\AM2 ---------------------------------------------------------------- 215ED861 161E KISSING.CMF CMFCH1-K.ZIP J:\40 215ED861 27FE ALTF.WPM MACNOV8.ZIP O:\24 ---------------------------------------------------------------- 2A936D2C 3FE0 ACONVERT.EXE AUTOC20B.ZIP 2A936D2C 33C88 MARKET.RPT STAMP15.ZIP N:\UP ---------------------------------------------------------------- 33C578BC 200 SYS_KEYS.DBT ACID-PR3.ZIP I:\10 33C578BC 19D0 PPRINTER.DBF PAP116.ZIP N:\HOLD ---------------------------------------------------------------- 3A3A050C 380 TB.144 TECHBULL.ZIP T:\61 3A3A050C 176B XYPHR.DOC XYPHR.ZIP N:\HOLD ---------------------------------------------------------------- 49E7319D 2FE MATHX.ICO MATHX.ZIP I:\34 49E7319D 2FD7 TINSTALL.EXE TIMSAV.ZIP J:\9 ---------------------------------------------------------------- 4ACC3EE3 78B LAUDIT.PRG LUNCH.ZIP N:\TEST 4ACC3EE3 5A762 VERMONT.GIF f cs H:\90 ---------------------------------------------------------------- 4BD029D1 229 COMTRAC.NX2 COMTRC11.ZIP I:\17 4BD029D1 5DE -README.1ST PCWTEX23.ZIP V:\TEX1 ---------------------------------------------------------------- 50FD9CAB AC HISTORY.TXT ANSR100.ZIP N:\TEST 50FD9CAB 2ADF6 COMPRESS.EXE EZCOMP20.ZIP N:\HOLD ---------------------------------------------------------------- 5942F931 3BE5 DCOMPRES.ASM PCMANAGE.ZIP G:\1 5942F931 7800 DCOMPRES.ASM VOL8N21.ZIP N:\56 ---------------------------------------------------------------- 60F9C4DA 21 GO.BAT ALLQUOTE.ZIP O:\14 60F9C4DA 1B4F8 STANDREW.M18 WOODED.ZIP J:\87 ---------------------------------------------------------------- 634A0D83 6C4 ASP.DOC RECAP231.ZIP N:\TEST 634A0D83 113B DESCRIBE.L FLISPTL1.ZIP H:\78 ---------------------------------------------------------------- 64DB4515 1EB DUALLIST.INF NBSEPRVW.ZIP H:\42 64DB4515 14B8 READ.ME MY-DESK.ZIP O:\23 ---------------------------------------------------------------- 66D0509A CDD INSTALL.BAT BOOKMAN_.ZIP N:\HOLD 66D0509A 2669 1002-27X.TXT WDDOCS.ZIP J:\49 ---------------------------------------------------------------- 7DFA92C2 20FF PL1.DBD PLANPERF.ZIP O:\82 7DFA92C2 19C84 MANUAL ACCDOS10.ZIP N:\HOLD ---------------------------------------------------------------- 7F51C060 352 GET.HLP HELP.ZIP N:\TEST 7F51C060 444 KIVIAT KIVIAT.ZIP H:\80 ---------------------------------------------------------------- 88FA9D52 159 ATI.GRD DJLGR106.ZIP N:\TEST 88FA9D52 1C4B HILL.ROL ROLCH1-H.ZIP J:\40 ---------------------------------------------------------------- BA1B1227 1500 STRKEY.C STRLIB.ZIP R:\75 BA1B1227 4041 DELUXE.DOC DELUXE30.ZIP N:\TEST ---------------------------------------------------------------- C936BC47 436 TRACE.C MTVRT.ZIP T:\67 C936BC47 2503 SS10.ANS ANSITUTR.ZIP G:\5 ---------------------------------------------------------------- D29C257D 15 INT.BAT INT201.ZIP O:\12 D29C257D 155E MCDUCK.BMP BMP-ART.ZIP T:\58 ---------------------------------------------------------------- DBF165E2 A02 PENGUIN.PAS AUTOGR.ZIP R:\77 DBF165E2 DE5 WEFEGA.ASM WEFAX.ZIP G:\3 ---------------------------------------------------------------- DC2E61C7 9B1 LLIST.H LLIST102.ZIP J:\74 DC2E61C7 372D MASTER.DOC MASTERD.ZIP ---------------------------------------------------------------- E16699B2 F3F README.! QUIXX17.ZIP E16699B2 3BCFD VISION.GUI VISION.ZIP H:\42 ---------------------------------------------------------------- E87086E4 200 SKMACRO.CFG PCOAIDS.ZIP O:\23 E87086E4 6C87 ALLNODEG f cs H:\CALLERS ---------------------------------------------------------------- EB1B1B01 16D PREAMBLE.INC SETX.ZIP N:\56 EB1B1B01 3A7 METZTSR.COM LKBETA.ZIP T:\58 ---------------------------------------------------------------- EB3885E5 E10 SENAPL.FNT DLX2FONT.ZIP G:\4 EB3885E5 44A9 HELP.DBT CDMSTR67.ZIP H:\8 ---------------------------------------------------------------- F0AA4C21 1504 MIDOCE.H13 MIDOCEAN.ZIP O:\87 F0AA4C21 1800 NMR-ABCD.BAS CHEM-STA.ZIP I:\33 ---------------------------------------------------------------- F159F81A 32 028.NDX aEXECNET.QWK v F159F81A 806 MOUSE.C DFLAT6.ZIP ---------------------------------------------------------------- F886EACD 4BC6 KUTSGLUE.ZIP HSTCNFIG.ZIP G:\2 F886EACD 5D9F TDCONFIG.EXE TELED213.ZIP G:\3 ---------------------------------------------------------------- FFFFFFFF 396B FD.SYS HOW2NET.ZIP G:\4 FFFFFFFF 2E01B FEBBS.EXE aFEBBS192.ZIPvN:\HOLD