If you use the same password for everything this article is for you. Your passwords are the digital keys to all your information such as your banking details, contacts, messages, photos, address, and more. They hold so much power in protecting our …
FIPS (Federal Information Processing Standard) is a set of requirements asserted by NIST in order to centralize and make uniform the ways in which the US government manage the risks associated with securing and transporting sensitive information. …
Full Disk Encryption (FDE) refers to the practice of encrypting a device (laptop, cell phone, etc) at-rest. Decryption is performed at boot time, relying on user input, a cryptographic key stored in hardware, or a combination both. FDE is an …
It can be very difficult to bridge the gap between the theoretical and the practical. This is a pattern I’ve seen repeat itself again and again throughout my career – someone might be very technical, and very familiar with encryption, but when it …
PBKDF2, defined in RFC 2898, is a specific Key Derivation Function (KDF). A KDF is simply any mechanism for taking a password (something a user remembers or stores in a password manager) and turning it into a symmetric key suitable for cryptographic …
Certificate Revocation refers to the act of canceling a signed certificate before its expiration date. This can be done due to private key compromise, retirement of a service, or various administrative reasons. There are many different approaches …
Both Encryption and Hashing are fundamental building blocks of cryptosystems. When it comes to best practices for storing credentials in your application however, best practice is largely driven by what you’re trying to do. There are a lot of …
A lot can be learned about SSL/TLS by analyzing real-world bugs and the ways in which vendors patch them. This past week OpenSSL 1.1.1k was released, which corrected two high severity bugs in the popular OpenSSL software. Specifically, CVE-2021-3450 …
Next to encryption, hashing is perhaps the most important building block of modern cryptosystems. But what is a hash? Why is it important? How can some ways of computing a hash be better than others, and what makes a particular method suitable for …
It is a peculiar thing to see, but more and more commonly terms of art make their way into the mainstream media. It seems that every week a new article about a vulnerability, cyberattack, or data breach makes its way into public discourse. One …
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