Концепция открытых систем и задача аутентификации в локальных сетях - page 6

Ɋɚɫɫɦɨɬɪɢɦ ɧɚɡɧɚɱɟɧɢɟ ɤɚɠɞɨɝɨ ɤɨɦɩɨɧɟɧɬɚ ɫɢɫɬɟɦɵ
(
ɋɟɪɜɟɪ
E_l\_lim
(
ɗɬɨɬ ɫɟɪɜɟɪ ɜɤɥɸɱɚɟɬ ɜ ɫɟɛɹ ɫɥɟɞɭɸɳɢɟ ɷɥɟɦɟɧɬɵ
4
‡
ɫɟɪɜɟɪ ɧɚɱɚɥɶɧɨɣ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
"
ɫɟɪɜɟɪ
;M#&
ɜ ɨɛɹɡɚɧɧɨɫɬɢ
ɤɨɬɨɪɨɝɨ ɜɯɨɞɢɬ ɜɵɞɚɱɚ ɛɢɥɟɬɨɜ ɧɚ ɛɢɥɟɬɵ
"NAN ‡ Nc]e_n Al[hncha
Nc]e_n#&
ɩɪɨɜɟɞɟɧɢɟ ɩɪɟɞɚɭɬɟɧɬɢɮɢɤɚɰɢɢ ɢ ɬ
(
ɞ
(5
‡
ɫɟɪɜɟɪ ɜɵɞɚɱɢ ɛɢɥɟɬɨɜ
"NAM ‡ Nc]e_n Al[hncha M_lp_l#&
ɤɨɬɨɪɵɣ
ɩɪɨɢɡɜɨɞɢɬ ɜɵɞɚɱɭ ɤɥɢɟɧɬɚɦ ɛɢɥɟɬɨɜ ɞɨɫɬɭɩɚ ɤ ɤɨɧɤɪɟɬɧɵɦ ɫɟɪɜɟɪɚɦ
ɪɟɫɭɪɫɨɜ
5
‡
ɛɚɡɭ ɞɚɧɧɵɯ ɫɟɪɜɟɪɚ
E_l\_lim&
ɤɨɬɨɪɚɹ ɫɨɞɟɪɠɢɬ ɢɧɮɨɪɦɚɰɢɸ
&
ɧɟɨɛɯɨɞɢɦɭɸ ɞɥɹ ɤɨɪɪɟɤɬɧɨɝɨ ɭɩɪɚɜɥɟɧɢɹ ɫɟɤɪɟɬɧɵɦɢ ɤɥɸɱɚɦɢ ɩɨɥɶ
'
ɡɨɜɚɬɟɥɟɣ
(
Ȼɚɡɚ ɞɚɧɧɵɯ ɞɨɥɠɧɚ ɜɤɥɸɱɚɬɶ ɜ ɫɟɛɹ ɡɚɩɢɫɢ
U+W
ɢɞɟɧɬɢɮɢ
'
ɤɚɬɨɪɚ ɩɪɢɧɰɢɩɚɥɚ
&
ɫɟɤɪɟɬɧɨɝɨ ɤɥɸɱɚ ɩɪɢɧɰɢɩɚɥɚ
&
ɜɟɪɫɢɢ ɤɥɸɱɚ ɩɪɢɧ
'
ɰɢɩɚɥɚ
&
ɦɚɤɫɢɦɚɥɶɧɨɝɨ ɫɪɨɤɚ ɞɟɣɫɬɜɢɹ ɛɢɥɟɬɨɜ
&
ɨɛɳɟɝɨ ɦɚɤɫɢɦɚɥɶɧɨ
'
ɝɨ ɫɪɨɤɚ ɞɟɣɫɬɜɢɹ ɨɛɧɨɜɥɹɟɦɵɯ ɛɢɥɟɬɨɜ
(
Ȼɚɡɚ ɞɚɧɧɵɯ ɦɨɠɟɬ ɪɚɫɩɨɥɚ
'
ɝɚɬɶɫɹ ɧɚ ɧɟɤɨɬɨɪɨɦ ɭɞɚɥɟɧɧɨɦ ɫɟɪɜɟɪɟ
&
ɚ ɧɟ ɧɚ ɫɚɦɨɦ ɫɟɪɜɟɪɟ
E_l\_lim&
ɯɨɬɹ ɬɚɤɨɣ ɩɨɞɯɨɞ ɧɟ ɪɟɤɨɦɟɧɞɨɜɚɧ ɜ ɪɚɛɨɬɟ
U.W(
Ʉɥɢɟɧɬɵ ɫɢɫɬɟɦɵ
E_l\_lim
(
Ʉɥɢɟɧɬɚɦɢ ɷɬɨɣ ɫɢɫɬɟɦɵ ɦɨɝɭɬ ɹɜɥɹɬɶ
'
ɫɹ ɩɟɪɫɨɧɚɥɶɧɵɟ ɤɨɦɩɶɸɬɟɪɵ ɩɨɥɶɡɨɜɚɬɟɥɟɣ
&
ɩɪɨɝɪɚɦɦɵ
'
ɫɟɪɜɟɪɵ
&
ɩɪɨɝɪɚɦɦɵ
'
ɤɥɢɟɧɬɵ ɢ ɬ
(
ɞ
(
ȼ ɷɬɨɣ ɫɢɫɬɟɦɟ ɤɥɢɟɧɬ
‡
ɷɬɨ ɧɟɤɨɬɨɪɵɣ
ɫɭɛɴɟɤɬ
&
ɧɭɠɞɚɸɳɢɣɫɹ ɜ ɭɫɥɭɝɟ
&
ɨɤɚɡɵɜɚɟɦɨɣ ɩɪɨɬɨɤɨɥɨɦ
E_l\_lim(
Ʉɥɢɟɧɬ ɞɨɥɠɟɧ ɛɵɬɶ ɫɩɨɫɨɛɟɧ ɫɨɫɬɚɜɢɬɶ ɤɨɪɪɟɤɬɧɵɣ ɡɚɩɪɨɫ ɢ ɩɪɚ
'
ɜɢɥɶɧɨ ɨɛɪɚɛɨɬɚɬɶ ɨɬɜɟɬ
(
ɋɭɳɟɫɬɜɭɸɬ ɧɟɤɨɬɨɪɵɟ ɬɪɟɛɨɜɚɧɢɹ ɩɨ ɛɟɡɨ
'
ɩɚɫɧɨɫɬɢ ɤɥɢɟɧɬɚ
&
ɤɨɬɨɪɵɟ ɛɭɞɭɬ ɪɚɫɫɦɨɬɪɟɧɵ ɞɚɥɟɟ
(
ɋɟɪɜɟɪ ɩɪɢɥɨɠɟɧɢɣ
(
ɗɬɨɬ ɫɟɪɜɟɪ ɩɪɟɞɨɫɬɚɜɥɹɟɬ ɩɨɬɪɟɛɢɬɟɥɹɦ ɧɟ
'
ɤɨɬɨɪɵɣ ɫɟɪɜɢɫ ɢ ɩɨɞɞɟɪɠɢɜɚɟɬ ɩɪɨɬɨɤɨɥ ɫɟɬɟɜɨɣ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
E_l\_lim(
ɋɭɛɩɪɨɬɨɤɨɥɵ
E_l\_lim
(
ɋɭɛɩɪɨɬɨɤɨɥɵ
E_l\_lim
ɨɛɟɫɩɟɱɢɜɚɸɬ
ɨɛɦɟɧ ɤɥɸɱɨɦ ɫ ɫɟɪɜɟɪɨɦ ɧɚɱɚɥɶɧɨɣ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
";onb_hnc ][ncih
M_lp_l ?r]b[ha_ ‡ ;M#&
ɫ ɫɟɪɜɟɪɨɦ ɜɵɞɚɱɢ ɛɢɥɟɬɨɜ
"Nc]e_n Al[hncha
M_lp_l ‡ NAM#&
ɚ ɬɚɤɠɟ ɚɭɬɟɧɬɢɮɢɤɚɰɢɨɧɧɵɣ ɨɛɦɟɧ ɬɢɩɚ ɤɥɢɟɧɬ
†
ɫɟɪɜɟɪ
"=fc_hn M_lp_l ?r]b[ha_ ‡ =M#(
Ⱦɚɧɧɵɣ ɨɛɦɟɧ ɢɧɢɰɢɢɪɭɟɬɫɹ
ɤɥɢɟɧɬɨɦ ɜ ɬɨɦ ɫɥɭɱɚɟ
&
ɟɫɥɢ ɤɥɢɟɧɬ ɠɟɥɚɟɬ ɩɨɥɭɱɢɬɶ ɚɭɬɟɧɬɢɮɢɤɚɰɢɨɧ
'
ɧɵɣ ɞɨɩɭɫɤ
"]l_^_hnc[fm#
ɤ ɧɟɤɨɬɨɪɨɦɭ ɫɟɪɜɟɪɭ
&
ɧɨ ɧɟ ɢɦɟɟɬ ɧɚɱɚɥɶɧɨɝɨ
ɞɨɩɭɫɤɚ
(
ɉɪɢ ɷɬɨɦ ɨɛɦɟɧɟ ɫɟɤɪɟɬɧɵɣ ɤɥɸɱ ɤɥɢɟɧɬɚ ɢɫɩɨɥɶɡɭɟɬɫɹ ɞɥɹ
ɲɢɮɪɨɜɚɧɢɹ ɢ ɪɚɫɲɢɮɪɨɜɵɜɚɧɢɹ ɫɨɨɛɳɟɧɢɣ
(
ɗɬɨɬ ɨɛɦɟɧ ɜɨɡɧɢɤɚɟɬ
&
ɜ
ɱɚɫɬɧɨɫɬɢ
&
ɜ ɫɥɟɞɭɸɳɢɯ ɫɥɭɱɚɹɯ
4
‡
ɩɪɢ ɜɯɨɞɟ ɩɨɥɶɡɨɜɚɬɟɥɹ ɜ ɫɢɫɬɟɦɭ
5
‡
ɩɪɢ ɩɨɥɭɱɟɧɢɢ ɞɨɩɭɫɤɚ ɤ ɫɟɪɜɟɪɭ
NAM&
ɤɨɬɨɪɵɣ ɛɭɞɟɬ ɩɨɡɞɧɟɟ
ɢɫɩɨɥɶɡɨɜɚɧ ɞɥɹ ɩɨɥɭɱɟɧɢɹ ɞɨɩɭɫɤɚ ɤ ɞɪɭɝɢɦ ɫɟɪɜɟɪɚɦ
"
ɛɟɡ ɢɫɩɨɥɶɡɨ
'
ɜɚɧɢɹ ɫɟɤɪɟɬɧɨɝɨ ɤɥɸɱɚ ɩɨɥɶɡɨɜɚɬɟɥɹ
#5
‡
ɩɪɢ ɩɨɥɭɱɟɧɢɢ ɞɨɩɭɫɤɚ ɤ ɫɥɭɠɛɚɦ
&
ɤɨɬɨɪɵɦ ɬɪɟɛɭɟɬɫɹ ɫɟɤɪɟɬ
'
ɧɵɣ ɩɚɪɨɥɶ ɩɨɥɶɡɨɜɚɬɟɥɹ
"
ɧɚɩɪɢɦɟɪ
&
ɤ ɫɟɪɜɟɪɭ ɫɦɟɧɵ ɩɚɪɨɥɹ
#(
Ɍɢɩɵ
ɫɨɨɛɳɟɧɢɣ
;M'
ɨɛɦɟɧɚ ɢ ɩɭɬɢ ɢɯ ɩɪɨɯɨɠɞɟɧɢɹ ɩɪɟɞɫɬɚɜɥɟɧɵ ɜ ɬɚɛɥ
( +(
CMMH *,-0'-3--(
ȼɟɫɬɧɢɤ ɆȽɌɍ ɢɦ
(
ɇ
(
ɗ
(
Ȼɚɭɦɚɧɚ
(
ɋɟɪ
(
ɉɪɢɛɨɪɨɫɬɪɨɟɧɢɟ
( ,**/(
ʋ
+ /1
1,2,3,4,5 7,8,9,10,11
Powered by FlippingBook