Wb thntctn (Wbthn) s wb stndrd pblshd by th Wrld Wd Wb Cnsrtm (W3C).
ts prmry prps s t bld systm f thntctn fr wb-bsd pplctns tht slvs r mtgts th sss f trdtnl psswrd-bsd thntctn.
Zr-knwldg prfs bsd n pblc-ky sgntr schms r sd t rgstr nd thntct srs wtht th nd t trnsmt r str prvt thntctng nfrmtn (sch s psswrds) n srvrs.
Psswrds r rplcd by th s-clld Wbthn Crdntls whch r gnrtd clnt-sd nd strd n s-clld thntctrs. Wbthn spprts bth rmng thntctrs (sch s physcl scrty kys) nd pltfrm thntctrs (sch s smrtphns). Whl dffrnt typs f crdntls r spprtd, syncd dscvrbl crdntls (ls knwn s Psskys) r th mst cmmn ns.
Wbthn s cr cmpnnt f th FD2 Prjct ndr th gdnc f th FD llnc.
n th clnt sd, thntctrs r bstrct fnctnl mdls tht r mstly gnstc wth rspct t hw th ky mtrl s mngd. Ths mks t pssbl t mplmnt spprt fr Wbthn prly n sftwr, mkng s f prcssr's trstd xctn nvrnmnt r Trstd Pltfrm Mdl (TPM). Snstv cryptgrphc prtns cn ls b ffldd t rmng hrdwr thntctr tht cn n trn b ccssd v SB, Bltth Lw nrgy, r nr-fld cmmnctns (NFC). rmng hrdwr thntctr cnfrms t th FD Clnt t thntctr Prtcl (CTP), mkng Wbthn ffctvly bckwrd cmptbl wth th FD nvrsl 2nd Fctr (2F) stndrd.
Lk lgcy 2F, Wb thntctn s rslnt t vrfr mprsntn; tht s, t s rsstnt t phshng ttcks, bt nlk 2F, Wbthn ds nt rqr trdtnl psswrd. Mrvr, rmng hrdwr thntctr s rsstnt t mlwr snc th prvt ky mtrl s t n tm ccssbl t sftwr rnnng n th hst mchn.
Th Wbthn Lvl 1 nd 2 stndrds wr pblshd s W3C Rcmmndtns n 4 Mrch 2019 nd 8 prl 2021 rspctvly. Lvl 3 spcfctn s crrntly Frst Pblc Wrkng Drft (FPWD).