Handling X509KeyStorageFlags in applications
Hello everyone! While participating on StackOverflow.com, I’m observing common in-app certificate handling misuses in .NET applications and I want to share some thoughts on this. Today I would like to speak about handling X509Certificate2 object creation inside the application code, common problems in handling private key material, potential issues and how to overcome them. Problem […]
Microsoft January Patches and CVE-2020-0601
After two days of forewarning, Microsoft released its January 2020 collection of updates for “Patch Tuesday.” It had been leaked that there was a critical flaw in the crypt32.dll library that could represent a serious security flaw for the entire world. The crypt32.dll library provides the foundation for cryptographic operations in Windows and is often […]
Are You Preparing for Quantum?
Quantum supremacy is looming…some year in the future. However, contrary to what you may have heard, the advent of quantum computing won’t spell the end to encryption as we know it. That is, if enterprises take the necessary steps to prepare for a post-quantum future. Enterprises must begin the process of assessing their current systems, […]
Accessing and using certificate private keys in .NET Framework/.NET Core
This blog post is about programming and its purpose is to have a link to direct developers for explanation. Inspired from this list: Casting private key to RSACryptoServiceProvider not working Best way to initiate RSACryptoServiceProvider from x509Certificate2? Unable to cast object of type ‘RSACng’ to type ‘System.Security.Cryptography.RSACryptoServiceProvider’ RSACryptoServiceProvider not working in .net core Getting RSA […]