Fayil boye-boye

Fayil boye-boye ba ka damar ƙara wani Layer na kariya, game da shi, ba da tabbacin cewa fayil za a karanta kawai ta mahalicci. Idan abu za a buɗe ta wani amfani, ko bai wa shugaba gata, sa'an nan a blank allo ko wani m sa na characters zai bayyana a gaban shi. A wasu kalmomin, da rufaffen data ba za a iya karanta, sai dai idan kana aiki a kan wani tsarin karkashin keɓaɓɓen account. La'akari da alaka da al'amura a more daki-daki.

Encrypting fayiloli da manyan fayiloli ne mai matukar m Hanyar kare sirri bayanai. Amma idan unencrypted da rufaffen data za a adana a kan wata guda Disc, da zai iya haddasa unpredictable sakamakon.

Domin Windows 7 masu amfani, akwai na musamman kayan aiki, wanda aka kira BitLocker. Wannan aikace-aikace motsa duk na bayanai daga faifai a cikin daya m fayil, mai kira zuwa ga wanda a nan gaba, daidai ne a matsayin mai rumfa rumbunka. Idan ka je wani shugaba daga cikin tsarin aiki to zane fayiloli, da boye-boye da kuma Mabudi tsari ya auku a bango, da cewa shi ne, ba ku sani ba. A babban amfani na BitLocker shirin ne da shi na samar da boye-boye da fayiloli (da kuma tsarin yadda da kyau), da kuma wannan ya sa shi wuya don crack kalmar sirri, kazalika da samun dama marar izini ga tsarin daga waje. Idan encrypting dukan drive, babu bukatar encrypt mutum fayiloli.

Disk boye-boye wajibi ne don bude page "Drive boye-boye" a cikin shirin - shi ne located a kan kula da panel. Idan saƙon bayyana muku cewa TPM ba a samu, sa'an nan kana bukatar ka duba ko kwamfutarka don ya dace da BIOS karshe da ke goyon bayan TPM.

TPM ne mai guntu located a kan motherboard inda BitLocker boye-boye key, wanda damar da kwamfuta yin booting daga wani ɓoyayyen faifai. Idan BIOS ba ya goyon bayan TPM, talakawa USB-drive ne quite iya zuwa bauta a matsayin wani guntu. Mai amfani da bukata kawai alama fayil kamar yadda aka gudanar ga boye-boye, da kuma aiki da tsarin zai sa aiki na boye-boye da kuma Mabudi a cikin bango a lokacin da akwai wata halitta, ko duba fayil. Wani lokaci irin wannan boye-boye surprises da suke hannun riga da matsakaicin aminci.

Encrypting fayiloli ne mai aiki na da NTFS fayil tsarin, wanda yake a cikin sauran fayil tsarin ne kawai ba samuwa. Ya ce cewa ku kofe zane fayil zuwa USB drive ko CD-ROM ba za a decrypted, tun wadannan na'urori ba su goyi bayan wannan fayil tsarin.

Fayil boye-boye: jerin ayyuka

Idan muna magana ne game da Windows 7, a nan akwai wani mai sauqi qwarai da kuma ma'ana jerin mai amfani da ayyuka, kyale mu samu da ake so sakamakon.

Da farko muna bukatar danna-dama a kan jan kafar da ake bukata fayiloli a Windows Explorer, da kuma sannan zaɓi daga mahallin menu abu Properties. A kan maɓalli "Babba", zaɓi "Extras". Bayan wadannan jan a cikin taga cewa ya buɗe, ya kamata ka saita lamba "encrypt abinda ke ciki don m data". Bayan danna "Ok" duk canje-canje zai yi sakamako.

Kazalika da wani mataki, wannan yakan haifar da wasu takamaiman boye-boye hanyoyin. A wannan yanayin da muke magana ne game da tsarin kula da aiwatar da samun da zane fayiloli. Domin irin wannan abubuwa ya dace a yi amfani da cryptography key, kamar yadda da dama wasu hanyoyin.

Key cryptography ne wani algorithm a cikin abin da key da aka sani kawai zuwa ga aikawa da mai karɓa. Fasali boye-boye yana amfani da su encrypt da kuma sauya wannan key. Asymmetric boye-boye ne don amfani da jama'a key encrypt da kuma rufe - for Mabudi.