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drifter1

900.26
PeakD

Programming - Implementing a Blockchain using Python and Flask [Dev Blog 4]

[Image 1] Introduction Hey it's a me again drifter1! I was quite busy during these days, but here is the fourth dev blog. The new additio...

oflyhigh

63.2 K
Hive.Blog

每天进步一点点:从签名恢复公钥

之前学习了私钥、公钥、签名、验证等相关知识,一个有意思的地方是,公钥是可以从签名当中恢复的,是不是很神奇?今天我们就来看一下如何从签名当中恢复公钥。 (图源 :pixabay) 理论 & 算法 从签名恢复出公钥的说明&算法可以参考《SEC 1: Ellip...

oflyhigh

63.2 K
Hive.Blog

每天进步一点点:学习用公钥验证

昨天啃了ecdsa用私钥签名摘要,对这部分多了一些了解(其中我并不清楚签名过程中到底做了什么,这部分更加深奥,不去啃了),今天继续学习如何用公钥验证。 (图源 :pixabay) 简单的示例 首先最简单的签名与验证代码如下: from ecdsa import Sign...

oflyhigh

63.2 K
Hive.Blog

每天进步一点点:学习用私钥签名

最近打算学习一下私钥/公钥/签名等相关内容,发现这块东西真的很难啃,也许弄懂之后就是一两句话的事情,但是不懂的时候一头雾水不得入门真的很难受。 (图源 :pixabay) 这两天啃了一点签名相关的内容,以ecdsa为例,简单记录一下。 STEEM/HIVE中的签名流程 首...

jsecoin

0.49
Steemit

Private and public keys explained

https://www.youtube.com/watch?v=Lw-3x8miy-0 In this video we look at how a private key is created, how this is then used to derive a publ...

thomasoss

0.01
Steemit

Blockchain Foundations Part 7: Encryption and Digital Signature

Encryption and digital signature are important foundations of the blockchain concept. This article explains the asymetric encryption and ...

icostan

0.00
Steemit

Cryptography: ECDSA

Overview "If you can't explain it simply, you don't understand it well enough" - Einstein Elliptic curve cryptography (ECC) ...

ajose01

0.00
Steemit

EOS Signature verification with Elixir 😍

EOS Signature Verification and ECDSA Tooling with Elixir Photo by Kelly Sikkema on Unsplash Elixir is one of my favorite programming lan...