November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
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2
장
타원곡선
57
이번 장은 타원곡선에 대해 알아봅니다. 앞에서 배운 유한체와 여기서 배울 타원곡선을 이용해
서
3
장에서 타원곡선 암호를 학습하게 됩니다.
타원곡선을 접한 적이 없다면 유한체처럼 꽤나 어려워 보일 수 있습니다. 그러나 실제로는 그
렇게 어렵지 않습니다. 타원곡선에 대해 알아야 할 대부분은 학교에서 기본적인 대수를 배운
후에 알 수 있는 내용입니다. 이번에는 타원곡선이 무엇인지 알아보고 타원곡선으로 무엇을 할
수 있는지 설명합니다.
2.1
정의
타원곡선은 중학교 수학 시간에 본 방정식과 유사합니다. 한쪽에는
y
가, 다른 한쪽에는
x
가 있
는 형식입니다. 타원곡선은 다음과 같은 식으로 나타냅니다.
y
2
=
x
3
+
ax
+
b
여러분은 위와 유사한 다른 방정식을 많이 접했을 것입니다. 예를 들면 중학교 수학에서 다음
과 같은
1
차방정식을 배웠을 것입니다.
y
=
mx
+
b
타원곡선
CHAPTER
2
밑바닥부터 시작하는 비트코인
58
여기서
m
은
기울기
slope
이고
b
는
y
의
절편
y
-
intercept
이라는 것도 기억할 것입니다. [그림
2
-
1
]처럼
1
차방정식을 직선으로 나타낼 수도 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.