Концепция открытых систем и задача аутентификации в локальных сетях - page 1

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ɋɬɚɬɶɹ ɩɨɫɬɭɩɢɥɚ ɜ ɪɟɞɚɤɰɢɸ
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ȼ ɅɈɄȺɅɖɇɕɏ ɋȿɌəɏ
Ɋɚɫɫɦɨɬɪɟɧɚ ɡɚɞɚɱɚ ɨɛɟɫɩɟɱɟɧɢɹ ɛɟɡɨɩɚɫɧɨɫɬɢ ɥɨɤɚɥɶɧɵɯ ɤɨɦɩɶɸ
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'
ɧɵɯ ɫɪɟɞɫɬɜ
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ɩɪɨɬɨɤɨɥɨɜ ɫɟɬɟɜɨɣ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
(
ɉɨɤɚɡɚɧɵ
ɜɨɡɦɨɠɧɨɫɬɢ ɬɚɤɢɯ ɩɪɨɬɨɤɨɥɨɜ ɞɥɹ ɩɨɞɬɜɟɪɠɞɟɧɢɹ ɩɨɥɧɨɦɨɱɢɣ
ɩɨɥɶɡɨɜɚɬɟɥɟɣ ɫɟɬɢ ɩɪɢ ɨɪɝɚɧɢɡɚɰɢɢ ɞɨɫɬɭɩɚ ɤ ɢɧɮɨɪɦɚɰɢɨɧɧɵɦ
ɪɟɫɭɪɫɚɦ ɧɚ ɩɪɢɦɟɪɟ ɩɪɨɬɨɤɨɥɚ ɫɟɬɟɜɨɣ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
E_l\_lim(
ɉɪɨɬɨɤɨɥ ɫɟɬɟɜɨɣ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
(
Ɂɚ ɩɨɫɥɟɞɧɢɟ ɞɟɫɹɬɢɥɟɬɢɹ
ɡɧɚɱɢɬɟɥɶɧɨ ɜɨɡɪɨɫɥɚ ɪɨɥɶ ɤɨɦɩɶɸɬɟɪɧɵɯ ɜɵɱɢɫɥɢɬɟɥɶɧɵɯ ɫɢɫɬɟɦ ɢ
ɫɟɬɟɣ
(
ɋ ɢɯ ɩɨɦɨɳɶɸ ɨɛɪɚɛɚɬɵɜɚɸɬɫɹ ɨɝɪɨɦɧɵɟ ɨɛɴɟɦɵ ɪɚɡɥɢɱɧɨɣ ɢɧ
'
ɮɨɪɦɚɰɢɢ
(
Ɍɚɤɠɟ ɜ ɩɨɫɥɟɞɧɟɟ ɜɪɟɦɹ ɦɧɨɝɨɤɪɚɬɧɨ ɭɜɟɥɢɱɢɥɚɫɶ ɫɬɟɩɟɧɶ
ɨɬɤɪɵɬɨɫɬɢ ɤɨɦɩɶɸɬɟɪɧɵɯ ɫɟɬɟɣ
&
ɢɯ ɪɚɡɦɟɪɵ ɢ ɭɪɨɜɟɧɶ ɢɯ ɜɡɚɢɦɨɡɚ
'
ɜɢɫɢɦɨɫɬɢ
&
ɩɨɹɜɢɥɢɫɶ ɪɚɫɩɪɟɞɟɥɟɧɧɵɟ ɫɢɫɬɟɦɵ ɨɛɪɚɛɨɬɤɢ ɢɧɮɨɪɦɚ
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ɰɢɢ ɤɨɥɨɫɫɚɥɶɧɨɝɨ ɪɚɡɦɟɪɚ
(
ȼ ɫɜɹɡɢ ɫ ɷɬɢɦ ɜɨɡɧɢɤɚɟɬ ɧɟɨɛɯɨɞɢɦɨɫɬɶ
ɪɚɡɝɪɚɧɢɱɟɧɢɹ ɞɨɫɬɭɩɚ ɤ ɨɛɪɚɛɚɬɵɜɚɟɦɨɣ
&
ɩɟɪɟɞɚɜɚɟɦɨɣ ɢ ɯɪɚɧɢɦɨɣ
ɢɧɮɨɪɦɚɰɢɢ ɫ ɭɱɟɬɨɦ ɫɩɟɰɢɮɢɤɢ ɫɢɫɬɟɦ
(
Ⱦɥɹ ɪɟɲɟɧɢɹ ɡɚɞɚɱ ɷɬɨɝɨ ɬɢɩɚ
ɛɵɥ ɪɚɡɪɚɛɨɬɚɧ ɩɪɨɬɨɤɨɥ ɫɟɬɟɜɨɣ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
E_l\_lim(
ȼ ɧɚɫɬɨ
'
ɹɳɟɣ ɪɚɛɨɬɟ ɪɚɫɫɦɚɬɪɢɜɚɸɬɫɹ ɨɫɧɨɜɧɵɟ ɫɩɨɫɨɛɵ ɮɭɧɤɰɢɨɧɢɪɨɜɚɧɢɹ
ɞɚɧɧɨɝɨ ɩɪɨɬɨɤɨɥɚ
&
ɚ ɬɚɤɠɟ ɟɝɨ ɪɚɫɲɢɪɟɧɢɣ ɜ ɨɩɟɪɚɰɢɨɧɧɨɣ ɫɢɫɬɟɦɟ
GM Qch^iqm ,***(
ɉɪɨɬɨɤɨɥ
E_l\_lim
ɹɜɥɹɟɬɫɹ ɩɪɨɬɨɤɨɥɨɦ ɫɟɬɟɜɨɣ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
&
ɫ
ɩɨɦɨɳɶɸ ɤɨɬɨɪɨɝɨ ɪɟɲɚɟɬɫɹ ɫɥɟɞɭɸɳɚɹ ɡɚɞɚɱɚ
4
ɜ ɨɬɤɪɵɬɨɣ
&
ɧɟɡɚɳɢ
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ɳɟɧɧɨɣ ɫɟɬɢ
&
ɜ ɭɡɥɚɯ ɤɨɬɨɪɨɣ ɧɚɯɨɞɹɬɫɹ ɧɟɤɨɬɨɪɵɟ ɫɭɛɴɟɤɬɵ
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ɩɨɥɶ
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ɡɨɜɚɬɟɥɢ
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ɧɟɨɛɯɨɞɢɦɨ ɨɛɟɫɩɟɱɢɬɶ ɢɯ ɜɡɚɢɦɧɭɸ ɚɭɬɟɧɬɢɮɢɤɚɰɢɸ
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ɩɨɞɬɜɟɪɠɞɟɧɢɟ ɢɯ ɩɨɥɧɨɦɨɱɢɣ
#(
ɉɪɨɬɨɤɨɥ ɚɭɬɟɧɬɢɮɢɤɚɰɢɢ
E_l\_lim
/, CMMH *,-0'-3--(
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Ȼɚɭɦɚɧɚ
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ʋ
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