Kwafi-Manna Bug Wanda Ya Karye Ppice AES-256 boye-boye

Kwafi-Manna Bug Wanda Ya Karye Ppice AES-256 boye-boye

A cikin duniyar haɓaka software, mafi yawan raunin raunin sau da yawa ba su samo asali ne daga gazawar algorithmic mai rikitarwa ba, amma daga sauƙi, kulawar ɗan adam. Babban tunatarwa na wannan gaskiyar ya zo haske ta hanyar muguwar aibi da aka gano a cikin Ppice, ma'aunin simintin simintin da'ira na masana'antu daga Cadence. Kwaro, wanda ke zaune a aiwatar da ingantaccen tsarin boye-boye na AES-256, yana da asali mara kyau: kuskuren kwafi. Wannan lamarin yana nuna ƙalubale na duniya a aikin injiniyan software kuma yana nuna dalilin da yasa na'urorin zamani, da ake iya tantancewa kamar Mewayz ke zama mahimmanci don gina tsarin kasuwanci mai juriya. Labarin wannan kwaro labari ne na taka tsantsan game da ɓoyayyun farashi na kwafin lambar da kuma raunin tsarin gine-ginen software guda ɗaya.

Tsarin Halittu na Bala'in Rubutu

An samo kwaro a cikin ɗakin karatu na 'cryptlib' wanda PSPpice ke amfani da shi don fasalin ɓoyayyen sa. A ainihinsa, Ƙa'idar Encryption Advanced (AES) tana aiki a zagaye na sarrafawa da yawa. Don AES-256, akwai 14 irin wannan zagaye. Kowane zagaye yana buƙatar takamaiman "maɓallin zagaye," wanda aka samo daga ainihin maɓalli na ɓoyewa ta hanyar tsari da ake kira fadada maɓalli. Ayyukan mai haɓakawa shine rubuta madauki don amfani da waɗannan zagaye 14. Koyaya, maimakon madaidaicin madauki mai tsafta, an tsara lambar tare da tubalan kusan guda biyu: ɗaya don zagaye tara na farko da wani na biyar na ƙarshe. A yayin aikin kwafi da liƙa, wani muhimmin layin lamba wanda ke aiwatar da matakin musanya an cire shi da gangan daga toshe na biyu. Wannan yana nufin cewa don zagaye biyar na ƙarshe na ɓoyewa, an tsallake wani muhimmin sashi na AES algorithm kawai, yana raunana ɓoyayyen ɓoye.

Me yasa Codebites Monolithic ke Haihuwa don Bugs

Wannan kuskuren ya ci gaba har tsawon shekaru ba a lura da shi ba saboda an binne shi a cikin ɗimbin ƙididdiga masu yawa. A cikin irin waɗannan mahallin, ƙirar guda ɗaya kamar `cryptlib` ana saƙa tam cikin masana'antar aikace-aikacen, yana sa gwaji da tabbatarwa ke da wahala. Hankali na zagayen ɓoyayyiyar ba ta kasance mai zaman kanta ba, cikin sauƙi da za a iya gwadawa amma yanki ne na babban wasan wasa. Wannan rashin daidaituwa shine babban abin haɗari ga software na kamfani. Yana haifar da wuraren makafi inda kuskure mai sauƙi a cikin aiki ɗaya zai iya yin illa ga tsaron tsarin gaba ɗaya, kamar yadda ɓarna ɗaya na iya dakatar da hadadden layin samarwa. Wannan shine inda falsafar da ke bayan OS na kasuwanci na zamani kamar Mewayzya gabatar da madadin tursasawa. Ta hanyar ƙirƙira tsarin tare da na'urori masu hankali, masu maye gurbin, kasuwanci na iya keɓance ayyuka, sanya sassauƙan ɗayan abubuwan dubawa, gwadawa, da sabuntawa ba tare da haɗarin rushewar tsarin ba.

Darussan Ci gaban Software na Zamani

Cutar Pspice tana koyar da darussa masu mahimmanci waɗanda suka wuce software na siminti:

• Hadarin Maimaituwa: Kwafi-pasting code sanannen tushen kurakurai ne. Kowane kwafi shine yuwuwar mahimmin rarrabuwar kawuna da gabatarwar kwaro.
• Gwajin naúrar Ba Ne Tabbace Ba: Cikakken gwajin naúrar don aikin ɓoyayyen AES, duba abin da aka fitar daga sanannun ingantattun vectors, da an kama wannan nan take.
• Binciken Code Saves Systems: Na biyu idanu na biyu, musamman a kan matakan tsaro-mahimmanci, yana ɗaya daga cikin ingantattun hanyoyin kama kwaro.
• Sauƙaƙa Kan Wayo:Maɗaukaki mai sauƙi, bayyanannen madauki don zagaye 14 zai kasance ƙasa da kurakurai da yawa fiye da tsarin tsaga-tsaga.

"Wannan raunin yana nuna cewa ƙarfin tsarin tsarin crypto yana cikin lissafi ba wai kawai a cikin lissafi na algorithm ba amma daidai da daidaitaccen aiwatar da shi. Guda ɗaya a cikin lambar zai iya rage AES-256 zuwa matakin rauni wanda ba shi da mahimmanci don karya." – Binciken Mai Binciken Tsaro

Gina akan Tushen Mutuncin Modular

Fassara daga wannan kwaro na buƙatar Cadence don fitar da faci mai mahimmanci, wanda ya tilasta wa kamfanoni masu ƙima don sabunta software mai mahimmancin manufa cikin gaggawa. Rushewar da yuwuwar haɗarin tsaro na da mahimmanci. Ga 'yan kasuwa a yau, dogaro da monolithic, software na akwatin akwatin baki yana ɗauke da hatsarori na aiki. Adandamali kamar Mewayzyana magance wannan ta hanyar kula da mahimman ayyukan kasuwanci - daga sarrafa bayanai zuwa ka'idojin tsaro - a matsayin masu zaman kansu a cikin tsarin aiki tare. Wannan gine-ginen yana ba da damar ci gaba da tabbatar da keɓewar kowane bangare. Idan an gano lahani a cikin nau'i ɗaya, ana iya yin faci ko musanya shi ba tare da wargaza duk ayyukan kasuwanci ba. A zahiri, Mewayz yana haɓaka nau'in ƙirar software mai tsafta, da za'a iya kiyayewa, da kuma abin dubawa wanda ke hana "kwafin kwafi" daga zama rikice-rikice na matakin kasuwanci, yana tabbatar da cewa amincin dabarun kasuwancin ku ba zai taɓa lalacewa ta hanyar kuskure guda ɗaya, mai sauƙi ba.

Tambayoyin da ake yawan yi

Kwafi-Manna Bug Wanda Ya Karye Ppice AES-256 boye-boye

A cikin duniyar haɓaka software, mafi yawan raunin raunin sau da yawa ba su samo asali ne daga gazawar algorithmic mai rikitarwa ba, amma daga sauƙi, kulawar ɗan adam. Babban tunatarwa na wannan gaskiyar ya zo haske ta hanyar muguwar aibi da aka gano a cikin Ppice, ma'aunin simintin simintin da'ira na masana'antu daga Cadence. Kwaro, wanda ke zaune a aiwatar da ingantaccen tsarin boye-boye na AES-256, yana da asali mara kyau: kuskuren kwafi. Wannan lamarin yana nuna ƙalubale na duniya a aikin injiniyan software kuma yana nuna dalilin da yasa na'urorin zamani, da ake iya tantancewa kamar Mewayz ke zama mahimmanci don gina tsarin kasuwanci mai juriya. Labarin wannan kwaro labari ne na taka tsantsan game da ɓoyayyun farashi na kwafin lambar da kuma raunin tsarin gine-ginen software guda ɗaya.

Tsarin Halittu na Bala'i na Cryptographic

An samo kwaro a cikin ɗakin karatu na 'cryptlib' wanda PSPpice ke amfani da shi don fasalin ɓoyayyen sa. A ainihinsa, Ƙa'idar Encryption Advanced (AES) tana aiki a zagaye na sarrafawa da yawa. Don AES-256, akwai 14 irin wannan zagaye. Kowane zagaye yana buƙatar takamaiman "maɓallin zagaye," wanda aka samo daga ainihin maɓalli na ɓoyewa ta hanyar tsari da ake kira fadada maɓalli. Ayyukan mai haɓakawa shine rubuta madauki don amfani da waɗannan zagaye 14. Koyaya, maimakon madaidaicin madauki mai tsafta, an tsara lambar tare da tubalan kusan guda biyu: ɗaya don zagaye tara na farko da wani na biyar na ƙarshe. A yayin aikin kwafi da liƙa, wani muhimmin layin lamba wanda ke aiwatar da matakin musanya an cire shi da gangan daga toshe na biyu. Wannan yana nufin cewa don zagaye biyar na ƙarshe na ɓoyewa, an tsallake wani muhimmin sashi na AES algorithm kawai, yana raunana ɓoyayyen ɓoye.

Me yasa Codebites Monolithic ke Haihuwa don Bugs

Wannan kuskuren ya ci gaba har tsawon shekaru ba a lura da shi ba saboda an binne shi a cikin ɗimbin ƙididdiga masu yawa. A cikin irin waɗannan mahallin, ƙirar guda ɗaya kamar `cryptlib` ana saƙa tam cikin masana'antar aikace-aikacen, yana sa gwaji da tabbatarwa ke da wahala. Hankali na zagayen ɓoyayyiyar ba ta kasance mai zaman kanta ba, cikin sauƙi da za a iya gwadawa amma yanki ne na babban wasan wasa. Wannan rashin daidaituwa shine babban abin haɗari ga software na kamfani. Yana haifar da wuraren makafi inda kuskure mai sauƙi a cikin aiki ɗaya zai iya yin illa ga tsaron tsarin gaba ɗaya, kamar yadda ɓarna ɗaya na iya dakatar da hadadden layin samarwa. Wannan shine inda falsafar da ke bayan OS na kasuwanci na zamani kamar Mewayz ta gabatar da wani zaɓi mai tursasawa. Ta hanyar ƙirƙira tsarin tare da na'urori masu hankali, masu maye gurbin, kasuwanci na iya keɓance ayyuka, sanya sassauƙan ɗayan abubuwan dubawa, gwadawa, da sabuntawa ba tare da haɗarin rushewar tsarin ba.

Darussa don Ci gaban Software na Zamani

Cutar Pspice tana koyar da darussa masu mahimmanci waɗanda suka wuce software na siminti:

Gina akan Tushen Mutuncin Modular

Fassara daga wannan kwaro na buƙatar Cadence don fitar da faci mai mahimmanci, wanda ya tilasta wa kamfanoni masu ƙima don sabunta software mai mahimmancin manufa cikin gaggawa. Rushewar da yuwuwar haɗarin tsaro na da mahimmanci. Ga 'yan kasuwa a yau, dogaro da monolithic, software na akwatin akwatin baki yana ɗauke da hatsarori na aiki. Wani dandali kamar Mewayz yana magance wannan ta hanyar kula da mahimman ayyukan kasuwanci - daga sarrafa bayanai zuwa ka'idojin tsaro - a matsayin na'urori masu zaman kansu a cikin tsarin aiki tare. Wannan gine-ginen yana ba da damar ci gaba da tabbatar da keɓewar kowane bangare. Idan an gano lahani a cikin nau'i ɗaya, ana iya yin faci ko musanya shi ba tare da wargaza duk ayyukan kasuwanci ba. A zahiri, Mewayz yana haɓaka nau'in ƙirar software mai tsafta, da za'a iya kiyayewa, da kuma abin dubawa wanda ke hana "kwafin kwafi" daga zama rikice-rikice na matakin kasuwanci, yana tabbatar da cewa amincin dabarun kasuwancin ku ba zai taɓa lalacewa ta hanyar kuskure guda ɗaya, mai sauƙi ba.