Jacky Tang's Blog

Istio 0.8 Release发布

来自Istio的儿童节礼物

在6月1日这一天的早上，Istio社区宣布发布0.8 Release，除了常规的故障修复和性能改进外，这个儿童节礼物里面还有什么值得期待内容呢？让我们来看一看：

Posted by     "赵化冰" on Saturday, June 2, 2018

Distributed Consensus

Bitcoin and Cryptocurrency Technologies-Week 2

How the nodes in the bitcoin network reach consensus on the transactions?

Posted by     "赵化冰" on Sunday, May 27, 2018

Incentives and Proof of Work

Bitcoin and Cryptocurrency Technologies-Week 2

How bitcoin system implements the mechanism to motivate the participants and how the participants prove their work?

Posted by     "赵化冰" on Saturday, May 26, 2018

Everything about Setting Up My Ubuntu Desktop

Everything about setting up my own ubuntu desktop, it's just a Note in case I need it later

Posted by     "赵化冰" on Thursday, May 24, 2018

微服务安全沉思录之三

外部系统访问控制

一些外部的第三方系统可能需要访问系统内部的微服务。例如在网上商店的例子中，外部的推荐服务可能需要接入系统，以获取商店的商品目录信息。相对于内部服务之间的访问而言，外部系统的访问需要进行严格的安全控制。

Posted by     "赵化冰" on Wednesday, May 23, 2018

微服务安全沉思录之二

服务间认证与鉴权

除来自用户的访问请求以外，微服务应用中的各个微服务相互之间还有大量的访问,根据应用系统数据敏感程度不同，对于系统内微服务的访问也需要进行相应的安全控制。

Posted by     "赵化冰" on Wednesday, May 23, 2018

微服务安全沉思录之一

用户访问认证与鉴权

这段时间对之前微服务安全相关的一些想法进行了进一步总结和归纳，理清在之前文章里面没有想得太清楚的地方，例如服务间的认证与鉴权以及用户身份在服务调用链中的传递。在这一系列博客里面将分为三个部分对微服务安全进行系统阐述：用户访问认证与鉴权，服务间认证与鉴权，外部系统访问控制。

Posted by     "赵化冰" on Wednesday, May 23, 2018

Istio Sidecar自动注入原理

Kubernetes webhook扩展机制解析

Kubernets 1.9版本引入了Admission Webhook(web 回调)扩展机制，通过Webhook,开发者可以非常灵活地对Kubernets API Server的功能进行扩展，在API Server创建资源时对资源进行验证或者修改。 Istio 0.7版本就利用了Kubernets webhook实现了sidecar的自动注入。

Posted by     "赵化冰" on Wednesday, May 23, 2018

Programming Assignment: Scrooge Coin

Bitcoin and Cryptocurrency Technologies-Week 1

Finally, I got to the most exciting part of week 1 lectures-the programming assignment!

Posted by 赵化冰 on Sunday, May 20, 2018

Digital Signature and Public Key as Identities

Bitcoin and Cryptocurrency Technologies-Week 1

Some fundamental cryptographic technologies in Bitcoin: Asymmetic encryption(Public/Private key), Digital Signature, Digital Identity(Public key and Digital Certificate).

Posted by 赵化冰 on Tuesday, May 15, 2018

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