November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
밑바닥부터 시작하는 비트코인
82
따라서 파이썬 코드에서는 이를 예외 처리해야 합니다.
class Point:
...
def __add__(self, other):
...
if self == other and self.y == 0 * self.x:
➊
return self.__class__(None, None, self.a, self.b)
➊ 두 점이 같고
y
좌표가
0
이면 무한원점을 반환합니다.
2
2.11
마치며
이번 장에서는 타원곡선이 무엇인지 다루면서 곡선 위 두 점 덧셈을 정의했습니다. 이를 바탕
으로 타원곡선 암호에 대해 알아보겠습니다.
2
코드의 조건문에서
self
.
y
==
0
으로 코딩하지 않았음을 주목한다.
self
.
x
가
FieldElement
클래스의 객체인 경우
0
*
self
.
x
는
FieldElement
클래스에 정의된
__
rmul
__
매서드에 의해 처리된다. 처리 결과는
FieldElement
(
0
,
p
)
다.
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.