Cov neeg tsim khoom ntawm OpenSSH project tau nthuav tawm ib txoj kev npaj los txo qhov kev txhawb nqa rau cov yuam sij raws li DSA algorithm. Los ntawm cov qauv niaj hnub no, DSA keys tsis muab qib kev ruaj ntseg uas xav tau, vim lawv siv qhov loj me ntawm tus yuam sij ntiag tug ntawm tsuas yog 160 bits thiab SHA1 hash, uas yog kwv yees li sib npaug hauv kev ruaj ntseg rau 80-bit symmetric key.
Kev siv cov yuam sij DSA tsis siv lawm hauv xyoo 2015, tab sis kev txhawb nqa DSA tseem yog ib qho kev xaiv, vim nws yog tib qho algorithm uas yuav tsum tau siv rau hauv SSHv2 protocol. Qhov kev xav tau no tau ntxiv vim tias, thaum lub sijhawm SSHv2 protocol tau tsim thiab pom zoo, txhua yam algorithms lwm txoj hauv kev tau them los ntawm patents. Txij thaum ntawd los, qhov xwm txheej tau hloov pauv: RSA-cuam tshuam patents tau tas sij hawm, thiab ECDSA algorithm, uas ua tau zoo dua DSA hauv kev ua tau zoo thiab kev ruaj ntseg, tau ntxiv, ib yam li EdDSA, uas muaj kev nyab xeeb dua thiab ceev dua ECDSA. Tsuas yog qhov laj thawj rau kev txhawb nqa DSA txuas ntxiv yog kom tswj tau kev sib raug zoo nrog cov khoom siv qub.
Tom qab soj ntsuam qhov xwm txheej tam sim no, cov neeg tsim khoom OpenSSH tau xaus lus tias tus nqi ntawm kev txuas ntxiv tswj hwm qhov tsis ruaj ntseg DSA algorithm tsis yog qhov tsim nyog, thiab nws txoj kev tshem tawm yuav txhawb kom tsis txhob muaj kev txhawb nqa DSA hauv lwm cov kev siv SSH thiab cov tsev qiv ntawv cryptographic. Lub Plaub Hlis tso tawm ntawm OpenSSH yuav khaws cia DSA tsim tab sis muab lub peev xwm los lov tes taw DSA thaum lub sijhawm sau ntawv. Hauv qhov kev tso tawm rau lub Rau Hli ntawm OpenSSH, DSA yuav raug lov tes taw los ntawm lub neej ntawd thaum lub sijhawm tsim, thiab thaum ntxov xyoo 2025, kev siv DSA yuav raug tshem tawm ntawm cov codebase.
Cov neeg siv uas xav tau kev txhawb nqa DSA sab ntawm tus neeg siv khoom yuav siv tau lwm cov qauv ntawm cov ceg OpenSSH yav dhau los, xws li qhov muab rau hauv Debian Lub pob "openssh-client-ssh1", ua rau saum OpenSSH 7.5 thiab tsim los txuas rau SSH servers siv SSHv1 protocol, uas tau raug tshem tawm hauv OpenSSH 7.6 rau xyoo dhau los.
Tau qhov twg los: opennet.ru
