Wani lokaci, muna buƙatar ɓoye bayanan sirri sosai akan tsarinmu ta yadda babu wani mutum da ke amfani da tsarin mu da zai ce mun rike bayanai.
Hanya ɗaya da za a yi hakan ita ce ta ɓoye ɓoyayyun fayiloli da saƙonni a cikin sauran fayilolin da ke akwai, azaman hotuna da sauti.
Wannan ma yana da matukar amfani yayin da kake son isar da sako na sirri ko aika fayil ta hanyar sadarwar ga wani ba tare da yin lahani ga lafiyarku ba.
Suna iya kawai shigar da bayanan sirri, tare da kalmar wucewa ko lambar wucewa don kawai amintaccen mutum zai iya buɗe wannan fayil ɗin.
Irin wannan ɓoyayyen ɓoye inda kuka ɓoye fayil ɗaya a cikin wani ana kiransa steganography..
Steganography ya fi son abin da ake da shi saboda daga baya abokin gaba zai san cewa an ɓoye wani abu a cikin rubutu ko fayil. Suna ma iya karya lambar kuma suna samun bayanai ta hanyar aiki tuƙuru.
A cikin Steganography, mutum na uku ba zai ma san gaskiyar cewa hoto mai kamar ba shi da illa ba ko fayil ɗin odiyo yana ɗauke da saƙo na sirri ko fayil da aka saka a ciki.
Sanya Steghide akan Ubuntu 18.10 da abubuwan ban sha'awa
Steghide mai amfani ne na layin umarni wanda zai baka damar ɓoye bayanan sirri tsakanin nau'ikan nau'ikan hoto da fayilolin odiyo.
Steghide yana aiki daga na'ura mai kwakwalwa akan Windows da GNU / Linux, kuma aiki ne na buɗaɗɗen tushe wanda ke ɗaukar kusan 3Mb kawai ba'a ɓoye ba, kuma baya buƙatar shigarwa, saboda haka ana iya amfani dashi akan pendrives.
Kodayake a cikin wannan yanayin za mu shigar da sabon sigar wannan kayan aikin, Kuna iya yin ta ta neman shi kai tsaye a cibiyar software ta Ubuntu ko daga tashar za ku iya yin ta aiwatar da wannan umarnin:
sudo apt-get install steghide
Fayil na ɓoye tare da steghide
Don ɓoyayyen fayil na sirri, suna buƙatar samun fayil ɗin da suke son ɓoyewa da hoto ko fayil ɗin odiyo da suke son ɓoye shi.
Steghide yana goyan bayan ɓoye a cikin AU, BMP, JPEG, da nau'in fayil ɗin WAV.
Yanzu don ɗaukar misali muna son ɓoye fayil a cikin hoto. Haɗin da dole ne muyi amfani da shi shine mai zuwa:
sudo steghide embed -ef examplefile.txt -cf sample.jpg
A wannan yanayin muna nuna cewa dole ne a ɓoye fayil ɗin daga babban fayil na yanzu zuwa babban fayil na yanzu.
Idan fayil na sirri na farko ya kasance a wani wuri akan tsarinku, dole ne su samar da cikakkiyar hanyarta.
Hakanan, idan fayil ɗin hoton ku yana wani wuri, dole ne ku tantance cikakkiyar hanyar ta wannan umarnin.
Ainihin umarnin an hada shi kamar haka:
sudo steghide embed -ef /ruta/de/archivo/a/ocultar -cf /ruta/de/imagen/o/audio/que/contendrá/el/archivo
Nan da nan bayan wannan, aikace-aikacen zai nemi kalmar sirri da ake buƙata don shigar da fayil ɗin sirri.
Wannan kalmar sirri ita ce abin da za a yi amfani da shi don cirewa ko warware fayil ɗin.
A cikin wannan misalin, mun saka fayil ɗin rubutu a cikin fayil JPEG. Bayan an gama ɓoye bayanan, zaku iya share fayil ɗin sirrinku na farko kuma kawai adana fayil ɗin hoto wanda daga baya za'a yi amfani dashi don yanke hukunci.
Fitar fayil
Yanzu don cire bayanan da aka ɓoye a cikin fayil ɗin, za mu yi amfani da umarni mai zuwa
sudo steghide -sf image.jpg
Inda muke nuna hanyar hoto ko fayil ɗin odiyo wanda ya ƙunshi ɓoyayyun bayananmu, lokacin yin haka za a nemi mu samar da kalmar sirriYin haka zai cire bayanan da muke ɓoye a cikin fayilolin.
Yadda ake cire Steghide daga Ubuntu da abubuwan da suka samo asali?
A ƙarshe, ga waɗanda ba su gamsu da kayan aikin ba ko kuma kawai suke son kawar da shi daga tsarin su, za mu iya ɗaukar mataki na gaba don Steghide ya zama an kawar da shi gaba ɗaya.
Dole ne mu buɗe tashar tare da Ctrl + Alt + kuma a ciki za mu aiwatar da umarni mai zuwa:
sudo apt-get remove steghide
Kuma a shirye.
A matsayin sharhi na ƙarshe, zamu iya amfani da Steghide tare da wasu kayan aikin kamar Cryptomator kuma har ma da AliyaSari don samun damar raba bayanan tsakanin fayilolinmu tare da wasu mutane ta amintaccen hanya.