Golang to the rescue: Saving DevOps from TLS turmoil GopherCon 2017 Lightning Talk Chris Short Manager of DevOps at Bankrate Introduction Chris Short Manager of DevOps at Bankrate (http://www.bankrate derived from an opensource.com article I wrote in April 2017: Golang to the rescue: Saving DevOps from TLS turmoil (https://opensource.com/article/17/4/testing-certi�cate-chains-34-line-go-program) But Most crypto/tls The Go crypto/tls (https://golang.org/pkg/crypto/tls/) package partially implements TLS 1.2, as speci�ed in RFC 5246 (https://tools.ietf.org/html/rfc5246) Package con�gures usable SSL/TLS versions

第三届中国Rust开发者大会 简谈 Rust 与国密 TLS Introduction on Rust and SM TLS Title 王江桐 wangjiangtong@huawei.com 华为 公共开发部 嵌入式软件能力中心 就职于华为，目前正在使用 Rust 开发密码相关模块。 Rustacean 在华为。 Title 简谈 Rust 与国密 TLS Introduction on Rust Rust and Shangmi TLS 王江桐 wangjiangtong@huawei.com 华为 公共开发部 嵌入式软件能力中心 Overview of Shangmi Cryptography #1 国密算法总览 Table of Contents 目录 Use of Rust in Implementing Cryptographic Algorithms and Protocols 境外 不得使用 国密算法与协议介绍 Introduction to Shangmi Algorithms and Protocols Section #2 • 国密套件算法简介 • 国密 TLS 简介 来源：国密算法加密芯片，支持国密全套件等安全算法，http://www.bjlcs- tech.com/article/95.html 国密套件总览 List of Shangmi Cryptography

should support older versions of Ubuntu too, like Ubuntu 14.04, albeit with potential issues with TLS connections. Don’t use the python-scrapy package provided by Ubuntu, they are typically too old and get an exception with the following traceback: [...] File "[...]/site-packages/twisted/protocols/tls.py", line 63, in from twisted.internet._sslverify import _setAcceptableProtocols File "[. ..]/site-packages/twisted/internet/_sslverify.py", line 38, in TLSVersion.TLSv1_1: SSL.OP_NO_TLSv1_1, AttributeError: 'module' object has no attribute 'OP_NO_TLSv1_1' The reason you get this

should support older versions of Ubuntu too, like Ubuntu 14.04, albeit with potential issues with TLS connections. Don’t use the python-scrapy package provided by Ubuntu, they are typically too old and get an exception with the following traceback: [...] File "[...]/site-packages/twisted/protocols/tls.py", line 63, in from twisted.internet._sslverify import _setAcceptableProtocols File "[. ..]/site-packages/twisted/internet/_sslverify.py", line 38, in TLSVersion.TLSv1_1: SSL.OP_NO_TLSv1_1, AttributeError: 'module' object has no attribute 'OP_NO_TLSv1_1' The reason you get this

should support older versions of Ubuntu too, like Ubuntu 14.04, albeit with potential issues with TLS connections. Don’t use the python-scrapy package provided by Ubuntu, they are typically too old and get an exception with the following traceback: [...] File "[...]/site-packages/twisted/protocols/tls.py", line 63, in from twisted.internet._sslverify import _setAcceptableProtocols File "[. ..]/site-packages/twisted/internet/_sslverify.py", line 38, in TLSVersion.TLSv1_1: SSL.OP_NO_TLSv1_1, AttributeError: 'module' object has no attribute 'OP_NO_TLSv1_1' 10 Chapter 2. First steps

should support older versions of Ubuntu too, like Ubuntu 14.04, albeit with potential issues with TLS connections. Don’t use the python-scrapy package provided by Ubuntu, they are typically too old and get an exception with the following traceback: [...] File "[...]/site-packages/twisted/protocols/tls.py", line 63, in from twisted.internet._sslverify import _setAcceptableProtocols File "[. ..]/site-packages/twisted/internet/_sslverify.py", line 38, in TLSVersion.TLSv1_1: SSL.OP_NO_TLSv1_1, AttributeError: 'module' object has no attribute 'OP_NO_TLSv1_1' 10 Chapter 2. First steps

should support older versions of Ubuntu too, like Ubuntu 14.04, albeit with potential issues with TLS connections. Don’t use the python-scrapy package provided by Ubuntu, they are typically too old and get an exception with the following traceback: [...] File "[...]/site-packages/twisted/protocols/tls.py", line 63, in from twisted.internet._sslverify import _setAcceptableProtocols File "[. ..]/site-packages/twisted/internet/_sslverify.py", line 38, in TLSVersion.TLSv1_1: SSL.OP_NO_TLSv1_1, AttributeError: 'module' object has no attribute 'OP_NO_TLSv1_1' 10 Chapter 2. First steps

Net - 77 Datagram (UDP) - 86 DNS - 91 HTTP - 93 URL - 97 Query Strings - 100 Crypto - 101 TLS/SSL - 102 HTTPS - 107 VM - 109 Child Processes - 113 Cluster - 117 34 Core Modules Utilities createServer and net.connect functions (both return a net.Socket object which is a duplex stream) and the tls.connect function. Examples of non-duplex streams include: http.ServerRequest, http.ServerResponse that do not end in a complete multi-byte character Used by core modules fs, http, net, repl and tls npm’s read module which it uses for “npm init” to prompt for package.json information 76 var StringDecoder

should support older versions of Ubuntu too, like Ubuntu 14.04, albeit with potential issues with TLS connections. Don’t use the python-scrapy package provided by Ubuntu, they are typically too old and get an exception with the following traceback: [...] File "[...]/site-packages/twisted/protocols/tls.py", line 63, in from twisted.internet._sslverify import _setAcceptableProtocols File "[. ..]/site-packages/twisted/internet/_sslverify.py", line 38, in TLSVersion.TLSv1_1: SSL.OP_NO_TLSv1_1, AttributeError: 'module' object has no attribute 'OP_NO_TLSv1_1' The reason you get this

should support older versions of Ubuntu too, like Ubuntu 14.04, albeit with potential issues with TLS connections. Don’t use the python-scrapy package provided by Ubuntu, they are typically too old and get an exception with the following traceback: [...] File "[...]/site-packages/twisted/protocols/tls.py", line 63, in from twisted.internet._sslverify import _setAcceptableProtocols File "[. ..]/site-packages/twisted/internet/_sslverify.py", line 38, in TLSVersion.TLSv1_1: SSL.OP_NO_TLSv1_1, AttributeError: 'module' object has no attribute 'OP_NO_TLSv1_1' The reason you get this