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>ûÉÆÒÙ Ó ÏÔËÒÙÔÙÍ ËÌÀÞÏÍ</A
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ïÔÐÒÁ×ÉÔÅÌØ É ÐÏÌÕÞÁÔÅÌØ ÄÏÌÖÎÙ ÏÂÍÅÎÑÔØÓÑ ËÌÀÞÁÍÉ, ËÏÔÏÒÙÅ ÂÕÄÕÔ
ÉÓÐÏÌØÚÏ×ÁÔØÓÑ ÄÌÑ ÚÁÝÉÝÅÎÎÏÇÏ ÏÂÍÅÎÁ ÉÎÆÏÒÍÁÃÉÅÊ, ÎÏ ËÁËÉÍ ÚÁÝÉÝÅÎÎÙÍ
ËÁÎÁÌÏÍ ÏÎÉ ÍÏÇÕÔ ×ÏÓÐÏÌØÚÏ×ÁÔØÓÑ ÄÌÑ ÏÂÍÅÎÁ ÓÁÍÉÍÉ ËÌÀÞÁÍÉ?
÷ ÞÁÓÔÎÏÓÔÉ, ×ÚÌÏÍÝÉËÕ ÍÏÖÅÔ ÂÙÔØ ÌÅÇÞÅ ÐÅÒÅÈ×ÁÔÉÔØ ËÌÀÞ, ÎÅÖÅÌÉ ÅÇÏ
ÐÏÄÂÉÒÁÔØ.
äÒÕÇÁÑ ÐÒÏÂÌÅÍÁ - ËÏÌÉÞÅÓÔ×Ï ÎÅÏÂÈÏÄÉÍÙÈ ËÌÀÞÅÊ.
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üÔÏ ÍÏÖÅÔ ÂÙÔØ ÐÒÉÅÍÌÅÍÏ ÄÌÑ ÎÅÂÏÌØÛÏÊ ÇÒÕÐÐÙ ÌÀÄÅÊ, ÎÏ ÓÔÁÎÅÔ
ÎÅÕÄÏÂÎÙÍ ÐÒÉ ÅÅ Õ×ÅÌÉÞÅÎÉÉ.</P
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>ûÉÆÒÙ Ó ÏÔËÒÙÔÙÍ ËÌÀÞÏÍ ÂÙÌÉ ÐÒÉÄÕÍÁÎÙ, ÞÔÏÂÙ ÒÅÛÉÔØ ÐÒÏÂÌÅÍÕ Ó
ÏÂÍÅÎÏÍ ËÌÀÞÁÍÉ.
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ä×Á ËÌÀÞÁ ÏÔÎÏÓÑÔÓÑ Ë ÌÉÃÕ ÐÒÉÎÉÍÁÀÝÅÍÕ ÓÏÏÂÝÅÎÉÅ.
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äÒÕÇÏÊ ËÌÀÞ <I
CLASS="EMPHASIS"
>ÓÅËÒÅÔÎÙÊ (private key)</I
> É ÈÒÁÎÉÔÓÑ
ÔÏÌØËÏ Õ ×ÌÁÄÅÌØÃÁ.
ïÔÐÒÁ×ÉÔÅÌØ ÚÁÛÉÆÒÏ×Ù×ÁÅÔ ÓÏÏÂÝÅÎÉÅ ÏÔËÒÙÔÙÍ ËÌÀÞÏÍ ÐÏÌÕÞÁÔÅÌÑ, É ,ÂÕÄÕÞÉ ÚÁÛÉÆÒÏ×ÁÎÏ,
ÓÏÏÂÝÅÎÉÅ ÍÏÖÅÔ ÂÙÔØ ÒÁÓÛÉÆÒÏ×ÁÎÏ ÔÏÌØËÏ ÚÁËÒÙÔÙÍ ËÌÀÞÏÍ ÐÏÌÕÞÁÔÅÌÑ.</P
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>üÔÏÔ ÍÅÔÏÄ ÒÅÛÁÅÔ ÐÒÏÂÌÅÍÕ ÏÂÍÅÎÁ ËÌÀÞÁÍÉ, ÐÒÉÓÕÝÕÀ ÓÉÍÍÅÔÒÉÞÎÙÍ ÛÉÆÒÁÍ.
ïÔÐÁÄÁÅÔ ÎÅÏÂÈÏÄÉÍÏÓÔØ ÄÏÇÏ×ÏÒÅÎÎÏÓÔÉ Ï ËÌÀÞÅ ÍÅÖÄÕ ÏÔÐÒÁ×ÉÔÅÌÅÍ É ÐÏÌÕÞÁÔÅÌÅÍ.
÷ÓÅ ÞÔÏ ÔÒÅÂÕÅÔÓÑ, ÜÔÏ ÞÔÏÂÙ ÏÔÐÒÁ×ÉÔÅÌØ ÄÏ ÎÁÞÁÌÁ ÓÅËÒÅÔÎÏÇÏ ÏÂÍÅÎÁ
ÉÎÆÏÒÍÁÃÉÅÊ ×ÚÑÌ ËÏÐÉÀ ÏÔËÒÙÔÏÇÏ ËÌÀÞÁ ÐÏÌÕÞÁÔÅÌÑ.
ëÒÏÍÅ ÔÏÇÏ, ÏÄÉÎ ÏÔËÒÙÔÙÊ ËÌÀÞ ÍÏÖÅÔ ÉÓÐÏÌØÚÏ×ÁÔØÓÑ ×ÓÅÍÉ ËÏÒÒÅÓÐÏÎÄÅÎÔÁÍÉ
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"c ÌÁÚÅÊËÏÊ".
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ÎÏ ÔÒÕÄÎÏ ×ÙÞÉÓÌÉÔØ ÅÅ ÏÂÒÁÔÎÕÀ ÆÕÎËÃÉÀ, Ô.Å. ÐÏ ÚÎÁÞÅÎÉÀ
ÆÕÎËÃÉÉ ÎÁÊÔÉ ÚÎÁÞÅÎÉÅ ÁÒÇÕÍÅÎÔÁ.
îÁÐÒÉÍÅÒ, ÌÅÇËÏ ×ÙÞÉÓÌÉÔØ ÐÒÏÉÚ×ÅÄÅÎÉÅ Ä×ÕÈ ÐÒÏÓÔÙÈ ÞÉÓÅÌ, ÎÏ
ÔÒÕÄÎÏ ÒÁÚÌÏÖÉÔØ ÜÔÏ ÐÒÏÉÚ×ÅÄÅÎÉÅ ÎÁ ÍÎÏÖÉÔÅÌÉ.
ïÄÎÏÓÔÏÒÏÎÎÉÅ ÆÕÎËÃÉÉ "Ó ÌÁÚÅÊËÏÊ" ÐÏÈÏÖÉ, ÎÏ ÉÍÅÀÔ ÌÁÚÅÊËÕ.
ïÎÁ ÓÏÓÔÏÉÔ × ÔÏÍ, ÞÔÏ ÅÓÌÉ ÎÅËÏÔÏÒÁÑ ÞÁÓÔØ ÉÎÆÏÒÍÁÃÉÉ
ÉÚ×ÅÓÔÎÁ, ÔÏ ×ÙÞÉÓÌÅÎÉÅ ÏÂÒÁÔÎÏÊ ÆÕÎËÃÉÉ ÓÔÁÎÏ×ÉÔÓÑ ÌÅÇËÉÍ.
îÁÐÒÉÍÅÒ, ÅÓÌÉ ÷ÁÍ ÉÚ×ÅÓÔÎÏ ÏÄÎÏ ÉÚ ÐÒÏÓÔÙÈ ÞÉÓÅÌ, × ÐÒÉÍÅÒÅ ×ÙÛÅ, ÔÏ,
ÚÎÁÑ ÐÒÏÉÚ×ÅÄÅÎÉÅ, ÷Ù ÌÅÇËÏ ÎÁÊÄÅÔÅ ×ÔÏÒÏÅ ÞÉÓÌÏ.
äÁÎÎÙÊ ÛÉÆÒ Ó ÏÔËÒÙÔÙÍ ËÌÀÞÏÍ ÏÓÎÏ×ÁÎ ÎÁ ÐÒÏÓÔÙÈ ÍÎÏÖÉÔÅÌÑÈ, ÏÔËÒÙÔÙÊ ËÌÀÞ
ÓÏÄÅÒÖÉÔ ÐÒÏÉÚ×ÅÄÅÎÉÅ Ä×ÕÈ ÂÏÌØÛÉÈ ÐÒÏÓÔÙÈ ÞÉÓÅÌ, ÁÌÇÏÒÉÔÍ ÛÉÆÒÏ×ÁÎÉÑ
ÉÓÐÏÌØÚÕÅÔ ÜÔÏ ÞÉÓÌÏ ÄÌÑ ÚÁÛÉÆÒÏ×ËÉ ÓÏÏÂÝÅÎÉÑ.
áÌÇÏÒÉÔÍ ÒÁÓÛÉÆÒÏ×ËÉ ÔÒÅÂÕÅÔ ÚÎÁÎÉÑ ÐÒÏÓÔÙÈ ÍÎÏÖÉÔÅÌÅÊ, ÔÁË, ÒÁÓÛÉÆÒÏ×ËÁ
ÓÔÁÎÏ×ÉÔÓÑ ÌÅÇËÏÊ, ÅÓÌÉ Õ ÷ÁÓ ÅÓÔØ ÓÅËÒÅÔÎÙÊ ËÌÀÞ, ÓÏÄÅÒÖÁÝÉÊ ÏÄÉÎ ÉÚ ÍÎÏÖÉÔÅÌÅÊ,
ÎÏ ÞÒÅÚ×ÙÞÁÊÎÏ ÚÁÔÒÕÄÎÅÎÁ ÅÓÌÉ ÅÇÏ Õ ÷ÁÓ ÎÅÔ.</P
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ÏÔËÒÙÔÙÍ ËÌÀÞÏÍ ÚÁËÌÀÞÅÎÁ × ËÌÀÞÅ.
îÁÄÅÖÎÏÓÔØ ÚÁ×ÉÓÉÔ ÏÔ ÒÁÚÍÅÒÁ ËÌÀÞÁ, ÎÏ ÎÅÌØÚÑ ÓÒÁ×ÎÉ×ÁÔØ ÄÌÉÎÙ
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ÏÔÎÏÓÉÔÅÌØÎÏÊ ÎÁÄÅÖÎÏÓÔÉ.
ðÒÉ ÇÒÕÂÏÍ ×ÚÌÏÍÅ ÓÉÍÍÅÔÒÉÞÎÏÇÏ ÛÉÆÒÁ Ó ËÌÀÞÏÍ ÄÌÉÎÏÊ 80 ÂÉÔ,
×ÚÌÏÍÝÉË ÄÏÌÖÅÎ ÐÅÒÅÂÒÁÔØ ÄÏ 2<SUP
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ÎÁÈÏÖÄÅÎÉÑ ÐÒÁ×ÉÌØÎÏÇÏ.
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(ÄÏ 155 ÄÅÓÑÔÉÞÎÙÈ ÚÎÁËÏ×).
äÅÊÓÔ×ÉÑ ×ÚÌÏÍÝÉËÁ ÓÉÌØÎÏ ÒÁÚÌÉÞÁÀÔÓÑ × ÚÁ×ÉÓÉÍÏÓÔÉ ÏÔ ÛÉÆÒÁ.
åÓÌÉ ÄÌÑ ÓÉÍÍÅÔÒÉÞÎÙÈ ÛÉÆÒÏ×, ÎÁ ÓÅÇÏÄÎÑÛÎÉÊ ÄÅÎØ, ÄÏÓÔÁÔÏÞÎÁ ÄÌÉÎÁ
ËÌÀÞÁ 128 ÂÉÔ, ÔÏ ÄÌÑ ÏÔËÒÙÔÙÈ ËÌÀÞÅÊ ÒÅËÏÍÅÎÄÕÅÔÓÑ ÄÌÉÎÁ 1024 ÂÉÔÁ.</P
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