Cómo comprobar la integridad de los ficheros

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  • 8/7/2019 Cmo comprobar la integridad de los ficheros

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  • 8/7/2019 Cmo comprobar la integridad de los ficheros

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    Fc nfcfyhl, low htkobhw xvf dh{ zfcfy fc gvfczh wkfbpyf xvf wf kbplfbfczf vc goczyol

    jf wfnvykjhj o wf gocwkjfyf vc hwpfgzo jf lh wfnvykjhj, woc low wknvkfczfw1

    Gocmkjfcgkhlkjhj# Chjkf jfif pojfy hggfjfy h low jhzow pyk}hjow jf vc vwvhyko,

    ftgfpzo fl pyopko vwvhyko { lhw pfywochw hvzoykqhjhw#

    Jkwpockiklkjhj# Fl wkwzfbh { low jhzow zkfcfc xvf wfy hggfwkilfw poy low vwvhykow

    hvzoykqhjow fc zojo bobfczo#

    Kczfnykjhj# Chjkf pvfjf ghbikhy, yfgoyzhy o mhlwkmkghy klfnzkbhbfczf low jhzow#

    Gobpyoihy lh kczfnykjhj jf low mkgdfyow fw lh zhyfh xvf pfybkzf whify h gkfcgkh gkfyzh wk

    wzow dhc wkjo bojkmkghjow jfwjf wv gyfhgkc# Fwzo fw lo xvf wf fwzvjkhy fc lo

    wknvkfczfw fpnyhmfw#

    KK Mvcgkocfw dhwdgykpzonymkghw

    Lhw mvcgkocfw dhwdwoc fwzyvgzvyhw jf jhzow bv{ gocogkjhw fc bhzfbzkghw { gkfcgkhw

    jf lh gobpvzhgkc { wf fcgvfczyhc lknhjhw bv{ fwzyfgdhbfczf goc lh gykpzonyhmh fc

    nfcfyhl { lh kczfnykjhj jf low jhzow fc phyzkgvlhy#

    Lhw mvcgkocfw dhwd gykpzonymkghw goc}kfyzfc vc bfcwhaf jf gvhlxvkfy zhbho fc vc

    bfcwhaf jf vch locnkzvj gocwzhczf# Lo xvf wf oizkfcf hl hplkghy vch mvcgkc dhwd

    gykpzonymkgh h vc bfcwhaf $mlvao jf jhzow, o bw vwvhlbfczf, vc hygdk}o+ wf llhbh

    yfwvbfc gykpzonymkgo, dvfllh jknkzhl o bfwwhnf jknfwz# Fw jfgky, h phyzky jf vc cbfyo

    kcjfzfybkchjo jf ikzw, wkfbpyf wf oizkfcf vc cbfyo gocwzhczf { jkmfyfczf xvf kjfczkmkgh

    jf moybh vc}ogh h fwf mlvao jf jhzow#

    Klvwzyhgkc 81 Yfpyfwfczhgkc jf lh mvcgkcdhwdBJ6

    Mvfczf1 KCZFGO

    Fc wfnvykjhj jf lh kcmoybhgkc, wf vzklkqhc mvcgkocfw dhwdgykpzonymkghw fc pyogfwow jf

    hvzfczkghgkc, o jf gobpyoihgkc jf kczfnykjhj jf jhzow#

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch 9 jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

  • 8/7/2019 Cmo comprobar la integridad de los ficheros

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    Ghyhgzfywzkghw jf lhw mvcgkocfw dhwd

    Lhw mvcgkocfw jfifc wfy gocogkjhw, pilkghw { wv gjkno hikfyzo#

    Ftkwzf vc cbfyo kcmkckzo jf gocavczo jf jhzow xvf pvfjfc pyogfwhy fwzhw

    mvcgkocfw# Wkc fbihyno, fl yfwvlzhjo fw lkbkzhjo $wkfbpyf vc zhbho mkao+#

    Poy fafbplo, fc fl ghwo jf lh mvcgkc dhwd BJ6 fl cbfyo jf powkilfw yfwvlzhjow fw

    jf 9894# Poy zhczo, co ftkwzf vch yflhgkc vco h vco, { h ck}fl zfykgo ftkwzkyhc jow

    mlvaow jf jhzow jkmfyfczfw goc vc bkwbo yfwvlzhjo dhwd# Fwzo wf llhbh golkwkc# Lhw

    mvcgkocfw dhwd bw gocogkjhw { vwhjhw fwzc jkwfhjhw phyh xvf, fc fl vwo yfhl, lh

    pyoihiklkjhj jf vch golkwkc wfh bv{ ihah#

    Lh mvcgkc co pvfjf wfy kc}fyzkilf, fw jfgky, co wf pvfjf fcgoczyhy vch mvcgkc o

    vc hlnoykzbo xvf wfh ghphq jf gobpvzhy fl bfcwhaf oyknkchl h phyzky jfl yfwvbfc

    gykpzonymkgo#

    Co jfif wfy powkilf nfcfyhy vc bfcwhaf goc vc yfwvbfc gykpzonymkgo

    jfzfybkchjo h co wfy xvf wf vzklkgf vc bzojo jf mvfyqh iyvzh, fw jfgky, pyoihcjo

    goc bfcwhafw hyikzyhykow dhwzh oizfcfy fl yfwvbfc gykpzonymkgo jfwfhjo#

    Co jfif ftkwzky vc bzojo $xvf co wfh jf mvfyqh iyvzh+ phyh pyojvgky vc golkwkc,

    fw jfgky, jow bfcwhafw goc fl bkwbo yfwvbfc#

    Wk wf ghbikh vc ikz jfl bfcwhaf, zkfcf xvf ghbikhy fl yfwvbfc gykpzonymkgo fc vc

    60

    Wkfbpyf xvf wf hplkxvf lh mvcgkc h vc bfcwhaf, wf jfif oizfcfy fl bkwbo

    yfwvlzhjo#

    Hplkghgkocfw

    Goc fwzhw pyfbkwhw, lhw hplkghgkocfw jf lhw mvcgkocfw dhwdwoc glhyhw1

    Pyozfggkc jf goczyhwfhw# Fwzhw mvcgkocfw pfybkzfc hlbhgfchy vc yfwvbfc

    gykpzonymkgo jf lhw goczyhwfhw fc }fq jf lhw goczyhwfhw fc zftzo glhyo# Hw, fc

    lvnhy jf gobphyhy lhw goczyhwfhw fc zftzo glhyo, wf ghlgvlh wv dhwd goc vch

    mvcgkc { wf gobphyhc low yfwvlzhjow# Jf fwzh bhcfyh, fl wkwzfbh co zkfcf poy

    xv hlbhgfchy fl zftzo glhyo fc ckcnc bobfczo phyh gobpyoihy wk hlnvkfc

    gocogf vch goczyhwfh hlbhgfchjh#

    Gobpyoihgkc jf kczfnykjhj# Wk wf ghlgvlh vc dhwdjf jow mlvaow jf jhzow { jhc

    vc bkwbo yfwvlzhjo, wf pvfjf gocmkybhy xvf low mlvaow jf jhzow woc kjczkgow#

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch 7 jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

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    Nhyhczkqhy lh kczfnykjhj jf vc mlvao jf jhzow $hygdk}ow, poy fafbplo+ h jkmfyfczfw

    ck}flfw1

    o Hl jfwghynhy v oizfcfy vc mkgdfyo poy gvhlxvkfy bfjko, wf pvfjf

    gobpyoihy xvf wf zyhzh jfl oyknkchl o xvf co zkfcf jfmfgzow wk fl pyo}ffjoy

    pyopoygkoch vc yfwvbfc gykpzonymkgo phyh gobphyhy# Wk dvikfwf ghbikhjo

    vc wolo ikz jfl hygdk}o, fl yfwvbfc wfyh bv{ jkwzkczo#

    o Wf pvfjf gobpyoihy wk wf dhc pyojvgkjo ghbikow co goczyolhjow fc low

    jhzow jf vc wkwzfbh jf hlbhgfchbkfczo ghlgvlhcjo { gobpyoihcjo jf

    moybh pfykjkgh low yfwbfcfw gykpzonymkgow jf low jhzow#

    o Ozyh vzklkjhj fw lh jf hdoyyo jf )gowzf) gobpvzhgkochl fc gykpzonyhmh# Poy

    fafbplo fc lh mkybh flfgzyckgh $jf lh xvf wf dhilhy bw hjflhczf+# Mkybhy

    vc bfcwhaf fw gobpvzhgkochlbfczf gowzowo# Wkc fbihyno, xvf vc dhwd

    yfpyfwfczf h fwf bfcwhaf fw bvgdo bw lk}khco gobpvzhgkochlbfczf# Poy

    zhczo, wf wvflf mkybhy vc dhwd$xvf yfpyfwfczh vc}oghbfczf h vc mlvao jf

    jhzow o bfcwhaf+ fc lvnhy jf hl bfcwhaf fc w#

    Hlnoykzbow bw vzklkqhjow

    Low hlnoykzbow bw vzklkqhjow phyh ghlgvlhy fl dhwdwoc1

    BJ6# Hczf lh fczyhjh jf gvhlxvkfy mlvao jf jhzow, jf}vfl}f vc iloxvf jf 894 ikzw#

    Fc 900= wf pvilkg vc bzojo ghphq jf fcgoczyhy golkwkocfw fc vcow bkcvzow {

    poy zhczo, hvcxvf bv{ vwhjo, co wf gocwkjfyh zozhlbfczf wfnvyo do{ jh#

    WDH96= ${ wvw wvgfwoyfw1 WDH689, poy fafbplo+# Hczf lh fczyhjh jf gvhlxvkfy

    mlvao jf jhzow, jf}vfl}f vc iloxvf jf 96= ikzw# Hl hvbfczhy low ikzw jf whlkjh

    $dhwzh 996= myfczf h 9894 jfl BJ6+, lh powkiklkjhj jf golkwkc fw bfcoy { poy zhczo fw

    bw wfnvyo# Wf vzklkqh fc low pykcgkphlfw pyozogolow jf gkmyhjo1 WWL, WWD, PNP o

    KPWfg# Low bzojow phyh fcgoczyhy golkwkocfw, hvcxvf ftkwzfc, fc WDH co zkfcfc

    wvmkgkfczf pozfcgkh gobo phyh pojfy pyopoygkochy vc hzhxvf pygzkgo, poy zhczo wf

    gocwkjfyh yflhzk}hbfczf wfnvyo do{ jh#

    KKK Mkybh jknkzhl $mvcgkocfw dhwdbw gykpzonyhmh hwkbzykgh+

    Fc gykpzonyhmh hwkbzykgh ftkwzfc jow glh}fw jkwzkczhw xvf wf gobplfbfczhc phyh gkmyhy {

    jfwgkmyhy low bfcwhafw# Mvcgkochlbfczf zkfcfc lhw bkwbhw ghphgkjhjfw, pfyo vch jf

    fllhw pfybhcfgf wfgyfzh { lh ozyh wf dhgf pilkgh#

    Fc gykpzonyhmh hwkbzykgh wf gkmyh goc lh glh}f pilkgh { wf jfwgkmyh goc lh pyk}hjh#

    Hclonhbfczf, vc zftzo wf pvfjf gkmyhy bfjkhczf lh glh}f pyk}hjh { jfwgkmyhy bfjkhczf lh

    pilkgh# Fwzf fw fl mvcjhbfczo jf lh mkybh jknkzhl, xvf wf ihwh fc lh mkybh jfl dhwd jf vc

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch : jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

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    bfcwhaf $pvfwzo xvf, gobo wf dh bfcgkochjo hczfykoybfczf, mkybhy zojo vc bfcwhaf fw

    gobpvzhgkochlbfczf bw gowzowo+# Jhjo xvf fl dhwd fw wkfbpyf jf vc zhbho mkao {

    bfcoy xvf fl bfcwhaf oyknkchl, pfyo lo yfpyfwfczh vc}oghbfczf, mkybhy fl dhwd fw

    fxvk}hlfczf h mkybhy vc bfcwhaf o hygdk}o gvhlxvkfyh#

    Fl vwvhyko H jfwfh fc}khy vc bfcwhaf hl vwvhyko I { xvkfyf zfcfy lh gfyzfqh jf xvf

    vc vwvhyko G $hzhghczf+ co bojkmkgh wv goczfckjo, hvcxvf lf fw kcjkmfyfczf wk lo lff

    $fc fl bvcjo mwkgo, wfyh fxvk}hlfczf h fc}khy vch powzhl pfyo hwfnvycjowf jf

    xvf chjkf bojkmkgh fl bfcwhaf oyknkchl+#

    Fl vwvhyko H ghlgvlh vc yfwvbfc gykpzonymkgo jfl bfcwhaf $fwzo fw, fl dhwd

    bfjkhczf vc hlnoykzbo wfnvyo xvf dh hgoyjhjo goc fl vwvhyko I, pojyh wfy BJ6 o

    WDH, poy fafbplo+ { lo gkmyh goc wv glh}f pyk}hjh# Fc}h hl vwvhyko I low jhzow fc

    glhyo { fl dhwd gkmyhjo h wv }fq#

    Fl vwvhyko I vzklkqh lh glh}f pilkgh jf vwvhyko H phyh jfwgkmyhy fl yfwvbfc

    gykpzonymkgo#

    Poy ozyh phyzf ghlgvlh fl yfwvbfc gykpzonymkgo jfl bfcwhaf fc glhyo xvf lf dh

    llfnhjo#

    Hl gobphyhy low jow yfwbfcfw pvfjf jfjvgky wk vc dkpozzkgo vwvhyko G dh

    bhckpvlhjo o co fl goczfckjo jf lh ghyzh#

    Klvwzyhgkc 91 Fwxvfbh jf vwo jf mkybh jknkzhl { mvcgkocfwdhwd

    Mvfczf1 Dkwphwfg

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch 6 jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

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    Wk fl vwvhyko G bhckpvlh lh ghyzh, low jow yfwbfcfw gykpzonymkgow co gokcgkjfc# Phyh

    llf}hy h ghio fl hzhxvf, poy zhczo, fl vwvhyko G zkfcf xvf bhckpvlhy zhbikc fl yfwvbfc

    gykpzonymkgo xvf dh fc}khjo fl vwvhyko H# Pfyo wk low hlnoykzbow vzklkqhjow $fl jf gkmyhjo

    hwkbzykgo { fl jf dhwd+ woc mvfyzfw, fl vwvhyko G co pvfjf mhlwkmkghy fl yfwvbfc# Ck pvfjf

    gkmyhy fl yfwvbfc jfl bfcwhaf mhlwkmkghjo ck pvfjf gocwzyvky vc bfcwhaf gv{o yfwvbfc

    wfh fthgzhbfczf fl jfl oyknkchl#

    Wk lh mkybh jknkzhl fwz hwogkhjh hl vwvhyko H h zyh}w jf vch hvzoykjhj jf gfyzkmkghgkc, co

    wolo wf nhyhczkqh lh kczfnykjhj wkco xvf wf nhyhczkqh xvf H { wlo H, dh pojkjo yfhlkqhy

    fwh hggkc# Fwzo fw lo xvf wf gocogf gobo vc gfyzkmkghjo jknkzhl#

    K] Bzojow pygzkgow jf gobpyoihgkc jf kczfnykjhj

    H goczkcvhgkc wf fwzvjkh jf moybh pygzkgh lo ftpvfwzo hczfykoybfczf { wf bvfwzyhc

    hlnvcow bzojow jf gobpyoihgkc jf lh kczfnykjhj jf low hygdk}ow# H bojo jf yfwvbfc,

    low bzojow xvf wf ftpocfc woc low xvf klvwzyh lh Zhilh 81

    Zhilh 81 Gobphyhzk}h jf bzojow jf gobpyoihgkc jf kjfczkjhj

    Bzojo ]fczhahw

    Dhwd Nhyhczh jf xvf fl hygdk}o co dh ghbikhjo

    Mkybh jknkzhl

    Nhyhczh jf xvf fl hygdk}o co dh ghbikhjo {pyo}kfcf jf vch mkybh jknkzhl gocgyfzh, hvcxvf chjhnhyhczkqh xvf pfyzfcfqgh h fwh pfywoch mwkghjfzfybkchjh#

    Gfyzkmkghjo

    Nhyhczh jf xvf fl hygdk}o co dh ghbikhjo {pyo}kfcf jf vch mkybh gocgyfzh, nhyhczkqhjh wvkjfczkjhj poy vch zfygfyh phyzf gocmkhilf $HvzoykjhjGfyzkmkghjoyh+

    ]kyvwzozhlOmyfgf vch kjfh $co jfmkckzk}h+ woiyf wk fl hygdk}ogoczkfcf bhl~hyf o co#

    Mvfczf1 KCZFGO

    Dhwd

    Vch }fq xvf wf gocogfc lhw ghyhgzfywzkghw jf lhw mvcgkocfw dhwd, wf pvfjfc vzklkqhy

    gobo bzojo phyh nhyhczkqhy lh kczfnykjhj jf low hygdk}ow xvf wf jfwghynhc# Hw, poy

    fafbplo, vc pyonyhbhjoy xvf dhgf pilkgo vc hygdk}o fafgvzhilf jf vc pyonyhbh, pvfjf

    ghlgvlhy wv dhwd$ikfc BJ6, ikfc WDH+ { pvilkghylo zhbikc# Jf fwzh moybh, wf whif xvf

    gvhlxvkfy ozyo hygdk}o xvf co wfh fthgzhbfczf fwf xvf dh pvilkghjo fl hvzoy, zfcjy vc

    yfwvlzhjo dhwdjkmfyfczf#

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch = jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

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    Phyh ghlgvlhy fl dhwd BJ6 fc ^kcjo~w wf pvfjfc vzklkqhy jkmfyfczfw dfyyhbkfczhw

    nyhzvkzhw1

    bj6wvb#ftf, jkwpockilf jfwjf

    dzzp1//~~~#fzyff#oyn/gnk"ikc/govczfy#gnk/womz~hyf/bj6wvb#ftf

    bj6#ftf jkwpockilf jfwjf

    dzzp1//~~~#movybklhi#gd/bj6/

    mwvb#ftf jkwpockilf jfwjf

    dzzp1//~~~#wlh}hwomz#gob/mwvb/

    Zhbikc, Bkgyowomz mhgklkzh vch dfyyhbkfczh poy lcfh jf gobhcjow# Fwz jkwpockilf

    jfwjf dzzp1//wvppoyz#bkgyowomz#gob/ei/4:89;0/fc"vw# Wf llhbh mgk}, $Mklf Gdfgewvb

    Kczfnykz{ ]fykmkfy+# Pfybkzf hjfbw jfl glgvlo jfl BJ6, fl glgvlo jfl dhwdbw wfnvyo

    WDH#

    Goc lhw dfyyhbkfczhw hjfgvhjhw, wf pvfjf gobpyoihy lh kczfnykjhj jf low mkgdfyow fc low

    xvf fl hvzoy dh dfgdo pilkgo fl dhwdomkgkhl# Poy fafbplo, wf pvfjfc oiwfy}hy jkmfyfczfw

    pnkchw fc low xvf wf dhgf pilkgo fl dhwd jfl mkgdfyo avczo goc fl pyopko hygdk}o jf

    jfwghynh#

    Klvwzyhgkc 71 Fafbplo jf pnkch xvf pvilkgh lowdhwdfwavczo goc fl pyonyhbh phyhjfwghynh

    Mvfczf1 KCZFGO

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch > jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

    http://www.etree.org/cgi-bin/counter.cgi/software/md5sum.exehttp://www.etree.org/cgi-bin/counter.cgi/software/md5sum.exehttp://www.fourmilab.ch/md5/http://www.fourmilab.ch/md5/http://www.slavasoft.com/fsum/http://www.slavasoft.com/fsum/http://support.microsoft.com/kb/841290/en-ushttp://support.microsoft.com/kb/841290/en-ushttp://www.slavasoft.com/fsum/http://www.fourmilab.ch/md5/http://www.etree.org/cgi-bin/counter.cgi/software/md5sum.exe
  • 8/7/2019 Cmo comprobar la integridad de los ficheros

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    Wknvkfcjo fl fafbplo bowzyhjo fc lh Klvwzyhgkc :, vch }fq jfwghynhjo fl hygdk}o zyktiot"

    9#4#0#:#kwo jfwjf )Jo~clohj KWO Kbhnf), wf pvfjf gobpyoihy lh kczfnykjhj jf wzf jf lh

    wknvkfczf moybh goc lh dfyyhbkfczh bj6wvb1

    Klvwzyhgkc :1 Fafbplo jf pnkch xvf pvilkgh low dhwdfw avczo goc fl pyonyhbh phyh

    jfwghynh

    Mvfczf1 KCZFGO

    g1\3bj6wvb zyktiot"9#4#0#:#kwo

    { jf}ol}fyh fl wknvkfczf yfwvlzhjo1

    6g;49=hhj;907998:7;g464g=760g=96 ! zyktiot"9#4#0#:#kwo

    Gobo low jow dhwdfwgokcgkjfc $fl pvilkghjo fc lh pnkch { fl yfwvlzhjo jf lh opfyhgkc

    jf glgvlo xvf wf dh yfhlkqhjo+ pojfbow jfgky xvf fl hygdk}o bhczkfcf wv kczfnykjhj#

    Fwzf bzojo co fw kcmhlkilf# Wk vc hzhghczf gocwknvf zfcfy hggfwo h vc wfy}kjoy ~fi

    gobo phyh bojkmkghy vc mkgdfyo xvf pvfjf wfy jfwghynhjo, fw powkilf xvf zhbikc pvfjh

    bojkmkghy lh pnkch ~fi { ghbikhy fl dhwd phyh xvf gokcgkjh goc fl jfl pyonyhbh

    zyo{hckqhjo# Phyh f}kzhylo, wf jfif gobpyoihy fl dhwd fc ozyow wfy}kjoyfw jkmfyfczfw

    $fwpfaow+ jfwjf jocjf pvfjh yfhlkqhywf lh jfwghynh# Fl glgvlo jfl dhwdzhbikc wky}f co

    wlo phyh jfwghynhw wkco zhbikc phyh pyonyhbhw xvf llfnhc jfwjf ozyhw mvfczfw $vc

    GJ, poy fafbplo+# Oi}khbfczf co fw vc wkwzfbh kcmhlkilf pfyo pfybkzf flf}hy fl ck}fl jf

    gocmkhcqh jfl womz~hyf xvf wf vzklkqh, hvbfczhcjo lhw powkiklkjhjfw jf f}kzhy o jfzfgzhy

    xvf fl hygdk}o wf fcgvfczyh bojkmkghjo#

    Ozyh jfw}fczhah fw xvf bvgdow mhiykghczfw co pvilkghc fl dhwd BJ6 ck ckcnc ozyo

    bzojo phyh gobpyoihy xvf fl womz~hyf xvf wf jfwghynh fw mkhilf bw xvf lh jfwghynh

    jfwjf vch pnkch omkgkhl#

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch 4 jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

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    Mkybh jknkzhl

    Hjfbw jf lh kczfnykjhj, nyhgkhw h lh gykpzonyhmh wkbzykgh fw powkilf gobpyoihy co wlo

    xvf vc hygdk}o co dh wkjo hlzfyhjo, wkco xvf dh wkjo yfhlkqhjo poy lh pfywoch v

    oynhckqhgkc xvf hmkybh dhifylo gyfhjo# Fwzo wf gocwknvf h zyh}w jf lhw mkybhw

    gykpzonymkghw xvf hgobphhc h gkfyzow hygdk}ow {, gobo wf dh bfcgkochjo,

    goyyfwpocjfc h lh mkybh jfl dhwdjfl hygdk}o#

    Lhw mkybhw wvflfc wfy hygdk}ow goc ftzfcwkc WKN o HWG xvf yfwvlzhc jf mkybhy

    gykpzonymkghbfczf goc lh glh}f pyk}hjh jfl hvzoy fl dhwdjf vc mkgdfyo# Wk powzfykoybfczf

    wf gobpyvfih, h zyh}w jf lh glh}f pilkgh, xvf fl mkgdfyo mkybhjo gocgvfyjh goc lh mkybh,

    fw xvf wf fwz hczf vc mkgdfyo yfhlbfczf gyfhjo poy xvkfc jkgf dhifylo dfgdo, { co

    bojkmkghjo jfwjf xvf wf mkyb# Vch }fq bw, fwzo co nhyhczkqh fc ckcnc bojo lhwkczfcgkocfw jfl hygdk}o, wlo wv oyknfc#

    Klvwzyhgkc 61 Fafbplo jf pnkch xvf pvilkgh lhw mkybhw PNP jf low mkgdfyow

    Mvfczf1 KCZFGO

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch ; jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

  • 8/7/2019 Cmo comprobar la integridad de los ficheros

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    Phyh gobpyoihy fwzh mkybh, fczyf ozyhw opgkocfw, fw powkilf jfwghynhy lhw dfyyhbkfczhw

    NcvPN $lkiyfw { nyhzvkzhw+# Coybhlbfczf fl hygdk}o jf mkybh zkfcf fl bkwbo cobiyf xvf

    fl mkgdfyo oyknkchl, wlo xvf h lh mkybh wf lf hhjf poy goc}fcgkc lh ftzfcwkc #WKN o

    HWG# Zhbikc fw cfgfwhyko jkwpocfy jf lh glh}f pilkgh jfl mkybhczf# Fwzh pvfjf wfy

    fcgoczyhjh fc fl bkwbo wfy}kjoy jf jfwghynh jfl mkgdfyo o h zyh}w jf low yfpowkzoykow

    bvcjkhlfw jf glh}fw pilkghw# Poy fafbplo, phyh gobpyoihy lh mkybh jfl wfy}kjoy Hphgdf

    phyh ^kcjo~w, wf jfif kbpoyzhy pykbfy fl mkgdfyo jf glh}fw pilkghw xvf fl pyopko

    wfy}kjoy hloah1

    npn ""kbpoyz EF[W

    { jfwpvw }fykmkghy fl mkgdfyo fc gvfwzkc goc fl gobhcjo1

    npn ""}fykm{ j1\dzzpj"9#9#7"~kc79"wyg#qkp#hwg

    Klvwzyhgkc =1 Yfwvlzhjo jf lh gobpyoihgkc jf mkybh woiyf vc hygdk}o

    Mvfczf1 KCZFGO

    Fl pyogfjkbkfczo pvfjf }hykhy, pfyo iwkghbfczf gocwkwzf fc kbpoyzhy { }fykmkghy mkybhw,

    vch }fq wf jkwpocf jf1

    h+ Lh mkybh pilkgh#

    i+ Fl hygdk}o h }fykmkghy#

    g+ Lh mkybh jfl hygdk}o#

    Gobo wf kcjkgh fc lh Klvwzyhgkc = $Zdkw ef{ kw coz gfyzkmkfj ~kzd h zyvwzfj wknchzvyf(, Zdfyf

    kw co kcjkghzkoc zdhz zdf wknchzvyf iflocnw zo zdf o~cfy+, chjh hwfnvyh xvf lh mkybh

    pfyzfcfqgh yfhlbfczf hl jvfo, pvfwzo xvf co fwz mkybhjh poy vch fczkjhj jf gocmkhcqh#

    Hxv fw jocjf fczyhc fc avfno low gfyzkmkghjow# Goc fllow, wf nhyhczkqh lh kczfnykjhj jfl

    hygdk}o $xvf co dh{h wkjo hlzfyhjo+, xvf dh wkjo gyfhjo poy vc vwvhyko goc vch mkybh

    gocgyfzh { hjfbw, xvf fwh mkybh goyyfwpocjf mwkghbfczf h l $vch zfygfyh phyzf

    gocmkhilf lo nhyhczkqh+#

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch 80 jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

  • 8/7/2019 Cmo comprobar la integridad de los ficheros

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    Gfyzkmkghjow

    Vc gfyzkmkghjo gocwkwzf fc lh hwogkhgkc fczyf vch fczkjhj mwkgh { vch mkybh, yfhlkqhjo poy

    vch fczkjhj gocmkhilf#

    Fw lo fxvk}hlfczf h vc JCK fc fl bvcjo mwkgo# Vc gfyzkmkghjo jknkzhl gfyzkmkgh xvf vch mkybh

    gykpzonymkgh pfyzfcfgf h vch pfywoch, { vch fczkjhj lo dh gobpyoihjo1 lf dh pfjkjo h

    fwh pfywoch wvw jhzow { pyvfihw mfdhgkfczfw jf xvf lh mkybh lf pfyzfcfgf# Fc fwf

    bobfczo, dh mkybhjo h wv }fq fl gfyzkmkghjo, xvf co fw bw xvf pocfylf vc )wfllo) jf

    gocmkhcqh1 lh mkybh pfyzfcfgf h wv hvzoy#

    Fc ^kcjo~w, fl ftployhjoy jf wkwzfbh yfhlkqh vc ivfc zyhihao h lh doyh jf gobpyoihy

    gfyzkmkghjow# Ghjh }fq xvf wf jfwghynh vc hygdk}o mkybhjo, bvfwzyh vc gvhjyo jf jklono

    phyh pojfy oiwfy}hy jfzfckjhbfczf fl gfyzkmkghjo, { hgfpzhy lh fafgvgkc o co fc ghwo jf

    jvjh#

    Klvwzyhgkc >1 Fafgvgkc fc ^kcjo~w jf vc womz~hyf co mkybhjo $fjkzoy jfwgocogkjo+

    Mvfczf1 KCZFGO

    Wk vc hygdk}o {h dh wkjo jfwghynhjo, zhbikc fw powkilf oiwfy}hy wk fwz mkybhjo o co hzyh}w jf lhw pyopkfjhjfw# Fc fl fafbplo lh Klvwzyhgkc 4, fl gfyzkmkghjo jf lh fbpyfwh

    Pkykmoyb fwz )gfyzkmkghjo) poy ]fykWknc, xvf dh gobpyoihjo xvf fwh mkybh pfyzfcfgf

    yfhlbfczf h fwh fbpyfwh#

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch 88 jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

  • 8/7/2019 Cmo comprobar la integridad de los ficheros

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    Klvwzyhgkc 41 Fthbkchy jfwjf ^kcjo~w fl gfyzkmkghjo jf vc pyonyhbh

    Mvfczf1 KCZFGO

    Low jfzhllfw jfl gfyzkmkghjo kcjkghc wk wf pvfjf gocmkhy fc fl hygdk}o# Wk lh yvzh jf mkybhw

    gvlbkch fc vch fczkjhj jf gocmkhcqh $fc fwzf ghwo ]fykWknc+, fczocgfw fw bw xvf

    pyoihilf xvf fl hygdk}o co wlo co dh{h wkjo bojkmkghjo jfwjf xvf wf gyf, wkco xvf

    hjfbw }kfcf jf lh fbpyfwh xvf jkgf }fcky#

    Fwzh gobpyoihgkc zhbikc wf pvfjf yfhlkqhy h zyh}w jf lcfh jf gobhcjo, goc lh

    vzklkjhj jf Bkgyowomz wkngdfge

    dzzp1//~~~#bkgyowomz#gob/zfgdcfz/w{wkczfychlw/MklfHcjJkwe/Wkngdfge#bwpt xvf pfybkzf

    gobpyoihy xv mkgdfyow fc vch yvzh gocgyfzh co fwzc mkybhjow#

    ]kyvwzozhl

    Fc gvhlxvkfy ghwo, hjfbw, ftkwzf lh powkiklkjhj jf hchlkqhy gocgkfcqvjhbfczf fl hygdk}o

    fc ivwgh jf }kyvw o zyo{hcow#

    Fw hgocwfahilf vzklkqhy wkwzfbhw jf hclkwkw blzkplf gobo }kyvwzozhl#gob phyh hwfnvyhy hl

    bfcow xvf hlnvchw ghwhw hczk}kyvw yfgocogfc o co fl pyonyhbh gobo pflknyowo#

    ]kyvwzozhl#gob omyfgf lh powkiklkjhj jf gocogfy lh opkckc jf blzkplfw bozoyfw hczk}kyvw

    woiyf vc pyonyhbh o hygdk}o gocgyfzo#

    Gbo gobpyoihy lh kczfnykjhj jf low mkgdfyow Pnkch 89 jf 87Oiwfy}hzoyko jf lh Wfnvykjhj jf lh Kcmoybhgkc

    http://www.microsoft.com/technet/sysinternals/FileAndDisk/Sigcheck.mspxhttp://www.microsoft.com/technet/sysinternals/FileAndDisk/Sigcheck.mspx
  • 8/7/2019 Cmo comprobar la integridad de los ficheros

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    pyoihy lh kczfnykjhj jf low mkgdfyow Pnkch 87 jf 87

    ]kyvwzozhl#gob hjfbw, omyfgf kcmoybhgkc jf low dhwdfw, gobo wf kcjkgh fc Klvwzyhgkc

    ;#

    Klvwzyhgkc ;1 Yfwvlzhjo jfl fc}o jf vc hygdk}o h ]kyvwZozhl#gob

    Mvfczf1 KCZFGO

    Gbo gob

    dzzp1//z~kzzfy#gob/Oiwfy}hKCZFGO

    dzzp1//~~~#wgykij#gob/Oiwfy}hKCZFGO

    dzzp1//~~~#kczfgo#fw/ilon/Wfnvykjhj/Oiwfy}hzoyko/IlonWfnvykjhj/

    http://twitter.com/ObservaINTECOhttp://twitter.com/ObservaINTECOhttp://www.scribd.com/ObservaINTECOhttp://www.inteco.es/blog/Seguridad/Observatorio/BlogSeguridad/http://www.inteco.es/blog/Seguridad/Observatorio/BlogSeguridad/http://www.scribd.com/ObservaINTECOhttp://twitter.com/ObservaINTECO