Computer Networks II, advanced networking
AAA I What is AAA Harri Toivanen 4.11.2004
© Harri Toivanen 2004
AAA ●
What today? –
What is identity?
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What means Authentication? ● ●
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What means Authorization? ●
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The purpose of Authentication What the Authentication is and is not Authorization vs Authentication
What means Accounting ●
Accounting vs Billing
© Harri Toivanen 2004
What is identity?
© Harri Toivanen 2004
What is identity? ●
identity –
1570, from M.Fr. identité (14c.), from L.L. (5c.) identitatem (nom. identitas) "sameness," from ident-, comb. form of L. idem (neut.) "the same" (see identical); abstracted from identidem "over and over," from phrase idem et idem. Term identity crisis first recorded 1954
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From Online Etymology Dictionary, http://www.etymonline.com/index.php?term=identity
© Harri Toivanen 2004
What is identity? ●
Main Entry: iden·ti·ty –
Inflected Form(s): plural -ties
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Etymology: Middle French identité, from Late Latin identitat-, identitas, probably from Latin identidem repeatedly, contraction of idem et idem, literally, same and same
1 a : sameness of essential or generic character in different instances 1 b : sameness in all that constitutes the objective reality of a thing : ONENESS © Harri Toivanen 2004
What is identity? ●
Main Entry: iden·ti·ty (cont) 2 a : the distinguishing character or personality of an individual : INDIVIDUALITY 2 b : the relation established by psychological identification 3 : the condition of being the same with something described or asserted –
Merriam-Webster OnLine Dictionary http://www.m-w.com/cgibin/dictionary?book=Dictionary&va=identity
© Harri Toivanen 2004
What is identity? ●
identiteetti = identtisyys
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identti|nen a. -sesti adv. -syys omin. –
aivan sama, täydelleen yhtäläinen, yhtäpitävä
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Todistaa identtisyytensä 'todistaa olevansa se, joksi väittää itseään'.
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Nykysuomen sanakirja, osa A – I, WSOY 1992
© Harri Toivanen 2004
What means Authentication? ●
authentic –
1340, "authoritative," from O.Fr. autentique (13c.), from M.L. authenticus, from Gk. authentikos "original, genuine, principal," from authentes "one acting on one's own authority," from autos "self" +hentes "doer, being." Sense of "entitled to acceptance as factual" is first recorded 1369. Authentic implies that the contents of the thing in question correspond to the facts and are not fictitious; genuine implies that the reputed author is the real one.
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From Online Etymology Dictionary, http://www.etymonline.com/index.php?term=authentic
© Harri Toivanen 2004
What means Authentication? ●
authentic –
Etymology: Middle English autentik, from Middle French autentique, from Late Latin authenticus, from Greek authentikos, from authentEs perpetrator, master, from aut- + -hentEs (akin to Greek anyein to accomplish, Sanskrit sanoti he gains)
1 obsolete : AUTHORITATIVE 2 a : worthy of acceptance or belief as conforming to or based on fact © Harri Toivanen 2004
What means Authentication? ●
authentic 2 b : conforming to an original so as to reproduce essential features 2 c : made or done the same way as an original 3 : not false or imitation : REAL, ACTUAL
© Harri Toivanen 2004
What means Authentication? ●
authentic –
synonyms AUTHENTIC, GENUINE, BONA FIDE mean being actually and exactly what is claimed. AUTHENTIC implies being fully trustworthy as according with fact ; it can also stress painstaking or faithful imitation of an original . GENUINE implies actual character not counterfeited, imitated, or adulterated ; it also connotes definite origin from a source . BONA FIDE implies good faith and sincerity of intention .
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Merriam-Webster OnLine Dictionary, http://www.m-w.com/cgibin/dictionary?book=Dictionary&va=authenticity
© Harri Toivanen 2004
What means Authentication? ●
authenticate –
Inflected Form(s): -cat·ed; -cat·ing
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: to prove or serve to prove the authenticity of
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synonym see CONFIRM
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Merriam-Webster OnLine Dictionary, http://www.m-w.com/cgibin/dictionary?book=Dictionary&va=Authentication &x=15&y=11
© Harri Toivanen 2004
What means Authentication? ●
authentic –
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aito, oikea, väärentämätön (Dictor 3.0, Kielikone Oy, 1998)
authenticity –
oikeus, oikeellisuus (Dictor 3.0, Kielikone Oy, 1998)
© Harri Toivanen 2004
What means Authentication? ●
The purpose of Authentication –
The purpose of authentication is to prove in appropriate level that the user of the certain object is justified to use it.
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The identity of the user in the certain context is checked during the authentication process.
© Harri Toivanen 2004
What means Authentication? ●
What the Authentication is and is not –
Authentication is a process to check the identity of the user so that the authenticator can be sure enough to know that the same user uses objet than before.
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The use of the formerly granted authorization is justified by authentication.
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Athentication is not the process to grant an authorization.
© Harri Toivanen 2004
What means Authorization? ●
authorization 1 : the act of authorizing 2 : an instrument that authorizes : SANCTION –
Merriam-Webster OnLine Dictionary, http://www.m-w.com/cgibin/dictionary?book=Dictionary&va=authorization&x =21&y=18
© Harri Toivanen 2004
What means Authorization? ●
authorize –
Inflected Form(s): -rized; -riz·ing
1 : to establish by or as if by authority : SANCTION 2 : to invest especially with legal authority : EMPOWER 3 archaic : JUSTIFY –
Merriam-Webster OnLine Dictionary, http://www.m-w.com/cgibin/dictionary?book=Dictionary&va=authorizing
© Harri Toivanen 2004
What means Authorization? ●
authority –
Etymology: Middle English auctorite, from Old French auctorité, from Latin auctoritat-, auctoritas opinion, decision, power, from auctor
1 a (1) : a citation (as from a book or file) used in defense or support (2) : the source from which the citation is drawn 1 b (1) : a conclusive statement or set of statements (as an official decision of a court) (2) : a decision taken as a precedent (3) : TESTIMONY © Harri Toivanen 2004
What means Authorization? ●
authority 1 c : an individual cited or appealed to as an expert 2 a : power to influence or command thought, opinion, or behavior 2 b : freedom granted by one in authority : RIGHT 3 a : persons in command; specifically : GOVERNMENT 3 b : a governmental agency or corporation to administer a revenue-producing public enterprise
© Harri Toivanen 2004
What means Authorization? ●
authority 4 a : GROUNDS, WARRANT 4 b : convincing force –
synonym see INFLUENCE, POWER
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Merriam-Webster OnLine Dictionary, http://www.m-w.com/cgibin/dictionary?book=Dictionary&va=authority
© Harri Toivanen 2004
What means Authorization? ●
authorization –
määräys (s;valtuutus hoitamaan virkaa)
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oikeutus (s;lupa,valtuus) ●
Dictor 3.0, Kielikone Oy, 1998
© Harri Toivanen 2004
What means Authorization? ●
Authorization vs Authentication –
Authorization is an act that is explicitly made beforehand by the party that has rights to do it.
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The rights granted with authorization can be used just after authentication, not before.
© Harri Toivanen 2004
What means Accounting ●
account –
Etymology: Middle English, from Middle French acompter, from a- (from Latin ad-) + compter to count
transitive senses 1 : to think of as : CONSIDER 2 : to probe into : ANALYZE
© Harri Toivanen 2004
What means Accounting ●
account intransitive senses 1 : to furnish a justifying analysis or explanation -- used with for
