What Is Data Encryption Standard (DES)?

TechDogs Avatar

If you're looking for a way to safeguard your data, what's the best way? Many think the secret key cryptography (SKC) method is the best, like the Data Encryption Standard (DES). It uses only one key for encryption and decryption—so there's no need to worry about which key is used for what. It's been around since 1975, so you know it works! There are some downsides to SKC methods like DES. The biggest one is that if someone gets their hands on your encrypted data and knows how to decrypt it, they could use that decrypted data directly as plaintext or cleartext. That means they wouldn't bother breaking any encryption at all! If you want a more secure technique for protecting your data, we recommend public-key cryptography (PKC). This method uses two keys: one for encryption and one for decryption. So even if somebody got their hands on both of your keys, they still couldn't use them together without knowing some extra information—like a secret password or passphrase. In the early 1970s, America was in crisis. The National Security Agency (NSA) had determined that the United States government needed a new cryptographic algorithm. It wasn't going to be easy. Selecting and publishing a new cryptographic algorithm is no small feat. It requires significant planning, rigorous analysis, and careful attention to detail—primarily because the algorithm will be used by millions of federal employees across all branches of government. So how did they pull it off? The NSA assisted with evaluating all submitted algorithms, which were then posted in the Federal Register for public comment. Unfortunately, none of the submissions were deemed acceptable by the NIST (National Institute of Standards and Technology). So they decided to try again: a second invitation was posted in 1974, resulting in a submission from IBM. In 1975, technical specifications were published for comments in the Federal Register and analysis and review commenced; finally, in 1977, NBS issued DES (Data Encryption Standard) as FIPS 46!

TechDogs Logo

Related Terms by Data Management

Data Vaulting

Data vaulting is like having a super-secret, ultra-safe subterranean vault to keep your precious data. A data vault is used to preserve valuable data in the same manner as a traditional vault to store valuable items such as gems and money. In the field of computer science, "data vaulting" refers to the practice of backing up and storing data in an off-site location that is both safe and distant. This helps to secure the data against calamities such as fire or water as well as theft, much like a vault protects precious things from theft and other threats. Data vaulting's "off-site storage" is crucial. Off-site storage is like storing essential assets in a vault in a distant city from where they are used. This helps safeguard the data from calamities that may occur locally and minimizes the likelihood of losing data. The phrase "incremental backup" is another significant and crucial technical buzzword. Instead of backing up the complete data set, incremental backup copies only the parts of the data that have been modified since the last time it was backed up. This helps save time and storage space, just as you only need to store newly valuable goods in the vault rather than all of the items each time, similar to how you only need to store freshly valuable items in the vault. Safeguarding data in a data vault is an essential part of any disaster recovery and business continuity strategy. Data vaulting helps safeguard precious data in the same way as a vault protects valuable objects. This enables businesses to swiftly recover from disasters and reduces the amount of downtime they experience. Consequently, consider using data vaulting to ensure your sensitive information's safety! It is comparable to possessing a top-secret, extremely secure, underground vault for sensitive data, replete with off-site storage and incremental backups. Have faith in us; your data will be grateful.

...See More

Data Brokering

Data brokering has hit the big time. It's creating buzz, controversy, and even a few scandals as companies mine and sell information about how people spend money. Don't you have to hand your wallet to a data broker? There are many ways to Defense yourself from these businesses who want your information and earn profits from it later. Data brokering is a collaborative process involving the right data sets to address a business problem. It requires expertise, domain knowledge, and the ability to navigate different datasets to find the ones that have the information needed to solve a particular issue. It may require data cleansing to make the information most valuable and easily understood. Providers make their data available to other businesses in the data brokering model. Data consumers can search for data that meets their requirements. Once the information is selected, it is downloaded and used for a specific business objective. Data brokering is a collaborative process across industries, countries, and cultures. Companies that offer data to other businesses are called data brokers. Data brokers must consider the laws and regulations that apply to their data. They must also consider the technical requirements of the data consumers using different systems and technologies. Data brokers must also create a system that enables other businesses to access their offered data. Data brokering is not a one-time process; it is an ongoing process that requires continuous updating and maintenance. The report then provides examples of data brokering, such as purchasing data from a pollster and selling it to a political campaign. The rest of the piece explores the implications of data brokering for businesses and consumers and some real-life examples of data brokering in practice. Most of us must realize how much our data is collected, sold, and used by companies to formulate targeted advertising. A glimpse into the lucrative world of data brokering illustrates how much information about us is being bought and sold.

...See More

Digital Video Broadcasting-Satellite Second Generation (DVB-S2)

There is a new standard in town, and the digital standard is here to stay. Digital Video Broadcasting-Satellite Second Generation (DVB-S2) has been around since 2003, and it's finally picking up steam with broadcasters and consumers alike. Its predecessor, DVB-S (the first generation of satellite digital television), debuted in the mid-'90s and was formally adopted in 1998 by the European Telecommunications Standards Institute (ETSI). Now we're moving on to the next generation of digital broadcasting: DVB-S2. What makes this new technology so unique? It's not just faster than the old one; it's also more reliable and flexible. You can expect higher data rates, better channel capacity, improved error correction capabilities and, most importantly, better picture quality! The DVB-S2 standard provides specifications for delivering high-definition and ultra-high-definition television (HDTV and UHDTV) video and audio over satellite and cable networks in the form of a standardized "satellite box" or set-top box or a high-end residential gateway. The standard is designed to be extensible to deliver new services such as 3G/ LTE mobile, IPTV, and OTT content. The DVB-S2 standard was ratified by the ETSI in March 2005 and published in October of that year. The measure was expected to be implemented in equipment by manufacturers in the second quarter of 2006. The DVB-S is like the first-generation iPhone. It was revolutionary, changed everything, and everyone wanted to get their hands on it. Then, after about a decade of using that same old technology, we were ready for something new: the second-generation iPhone with the glass screen and facial recognition that makes all your friends jealous when they see you using it. The DVB-S2 is beautiful, sleek, and fast like that second-generation iPhone. The only problem is that it needs to be entirely out (like the second-generation iPhone).

...See More

Trending Definitions

Source Code

The source code of computer software may be thought of as its recipe. In the same way that a cookbook instructs a cook how to prepare a dish, source code requires a computer how to carry out a task. It is a collection of instructions expressed in a programming language that a computer can interpret and carry out after being given those instructions. Imagine it as a digital version of a private journal you keep on your computer. Source code contains a program's instructions, like a journal. The blueprint instructs the computer on what actions to take in sequential order. Programmers are responsible for the creation of source code. Programmers write code in several programming languages, including C++, Python, Java, and many more. Although each language has its unique set of rules and grammar, they all ultimately serve the same objective: to provide the computer with instructions. The program's source code is analogous to its DNA, containing all the information required to construct the program's result. The DNA of a live entity includes all the instructions for making that organism, and a program's source code contains all the instructions for developing that programme. After the source code has been written, it must be compiled or interpreted before it can be used. Comparable to the process of translating a recipe from French to English. The original form of the source code is incomprehensible to the computer; hence, it must be translated into a language that the computer can comprehend (machine code). Following compilation or interpretation, the source code transforms into the executable code necessary to operate the programme. This is analogous to taking the components listed in the recipe and assembling them into the completed meal. In conclusion, source code is a computer program's recipe. It's developed by programmers in programming languages and is the product's blueprint. After it has been written, the code must be translated into a language the computer can understand for it to become executable. #SourceCode #ProgrammingLanguage #Instructions #Blueprint #ExecutableCode

...See More

Expansion Card

Even though the term "expansion card" sounds like it should be used to describe a card in a deck of cards, it refers to a crucial part of any computer system. Let's pretend you're sitting in front of a PC. A motherboard, central processing unit, RAM, and one or two hard drives are contained. However, what if you wish to incorporate additional components into your machine? You can upgrade your PC with a new graphics card to run the latest games or a sound card to hear your music in crisp, high fidelity. Extra notes are perfect for this situation! A computer's capabilities can be expanded with the help of a separate circuit board called an expansion card. It's like putting an extra room into your home; it opens up many possibilities! It's possible to find a wide variety of add-on cards. To see visuals on your screen, you'll need a graphics card; to hear sounds, you'll need a sound card; and to link to a network, you'll need a network card (which allows you to connect to the internet). However, USB ports, SCSI ports, and even TV tuners all have dedicated expansion devices. How do add-on cards function, exactly? Well, the connectors on each extension card must be physically inserted into slots on the motherboard. The card is installed instantly after being plugged into the motherboard's expansion port. Previously unavailable features on your device are now available. Of course, things are rarely that straightforward. You may need to download and install additional software or drivers from the manufacturer's website to get the most out of your new expansion slot. Furthermore, you may need to connect extra power cables from your power supply if your card draws more juice than your motherboard can give. An extension card, however, can be installed with relative ease. As such, an extra memory card has been provided. Adding this tiny but powerful part to your computer gives you the flexibility to upgrade its capabilities as your requirements shift. There's an expansion card out there for you, whether you're a gamer, a music lover, or someone who loves to tinker with technology.

...See More

Tweaking

Tweaking is making minute changes to complicated machines, usually electronic ones, to increase efficiency or expand their capabilities. The word "tweaking" is frequently used in the context of electronic devices, computer programs, and other technological systems, but it is equally applicable to both. Tuning a piece of hardware usually entails tinkering with its settings and parameters to get the most out of it. An overclocker, for instance, may increase the voltage and frequency speed of a computer's central processing unit (CPU) to make it perform at a higher level than its factory defaults. A car enthusiast can adjust the engine's fuel and air mixture, ignition timing, and other parameters to increase the vehicle's performance and fuel economy. Contrarily, software tuning entails making minute adjustments to the code or settings of an application to accomplish a larger goal. Changing the values of underlying variables or tinkering with the software's configuration settings are two methods to achieve this goal. For instance, a player can optimize a video game's parameters to boost the frame rate or decrease the lag experienced while playing. Even though tweaking often results in enhanced performance or functionality, it is essential to remember that it can also have unintended consequences if not done correctly. Tweaking can sometimes harm hardware or make software unstable, resulting in crashes, errors, or other problems. Therefore, it's crucial to exercise caution when adjusting to any complicated device and to learn its capabilities and constraints beforehand. The word "tweaking" has technical and slang meanings, with the latter referring to a more playful attitude. Teasing or pranking a buddy is sometimes called "tweaking" as a form of active verbal abuse. It is a humorous interpretation of the word that may or may not have any serious technical underpinnings. Tweaking is making minute changes to larger systems, most commonly in the realm of computers and other electronic devices. Changing the hardware's configuration or the software's source code may be necessary to achieve the desired results. However, caution should be used when modifying any device, as doing so incorrectly can result in harm or instability.

...See More

Trending Articles

Join Our Newsletter

Get weekly news, engaging articles, and career tips-all free!

By subscribing to our newsletter, you're cool with our terms and conditions and agree to our Privacy Policy.

Home

Hot Topic: AI

News

Articles

Branded Insights

  • Dark
  • Light