Difference Between Symmetric and Asymmetric Encryption Symmetric encryption uses a single key that needs to be shared among the people who need to receive the message while... Symmetric encryption is an old technique while asymmetric encryption is relatively new. Asymmetric encryption was introduced. The fundamental difference that distinguishes symmetric and asymmetric encryption is that symmetric encryption allows encryption and decryption of the message with the same key. On the other hand, asymmetric encryption uses the public key for the encryption, and a private key is used for decryption Asymmetric encryption is the more secure one, while symmetric encryption is faster. They're both very effective in different ways and, depending on the task at hand, either or both may be deployed alone or together. Hopefully, you now have an understanding of the difference between symmetric encryption vs asymmetric encryption In symmetric key encryption, resource utilization is low as compared to asymmetric key encryption. In asymmetric key encryption, resource utilization is high

- Asymmetric encryption, although symmetric encryption is easier, is the safer one. In different ways, they are also very productive and, depending on the mission at hand, one or both can be used individually or together. Hopefully, you now know the difference between symmetric and asymmetric encryption
- Asymmetric and symmetric encryption are each better used for different situations. Symmetric encryption, with its use of a single key, is better used for data-at-rest. Data stored in databases needs to be encrypted to ensure it is not compromised or stolen
- Key Differences Between Symmetric and Asymmetric Encryption Symmetric encryption always uses a single key for encryption and decryption of the message. However, in asymmetric... The execution of asymmetric encryption algorithms is slower as compared to the symmetric encryption algorithm. This is....
- The basic difference between symmetric and asymmetric key cryptography is that symmetric encryption requires the same key to be encrypted and decrypted. In the other hand, asymmetric encryption uses a key for encryption and uses another key for decryption
- Here we are talking about Asymmetric Encryption. Symmetric Encryption uses the same key for both encryption and decryption. Asymmetric Encryption uses both public and private keys. The public key for encryption and private key for decryption. 2. Signing / Digital Signatur

Asymmetric encryption algorithms are used to decrypt data. Symmetric encryption algorithms use pre-shared keys. Asymmetric encryption algorithms use different keys to encrypt and decrypt data. Symmetric algorithms are typically hundreds to thousands of times slower than asymmetric algorithms Computer encryption systems generally belong in one of two categories: symmetric encryption and asymmetric or public-key encryption. Symmetric Encryption. In symmetric encryption, the sender and receiver use a separate instance of the same key to encrypt and decrypt messages. Symmetric encryption heavily relies on the fact that the keys must be kept secret. Distributing the key in a secure way.

- Symmetric encryption uses a private key to encrypt and decrypt an encrypted email. Asymmetric encryption uses the public key of the recipient to encrypt the message. Then if the recipient wants to decrypt the message the recipient will have to use his/her private key to decrypt. If the keys correspond then the message is decrypted
- Asymmetric ciphers are usually used to transfer session keys for symmetric ciphers. Even when only a small amount of data is going to be transferred, cryptographers will typically prefer sending the actual data encrypted with a symmetric cipher, and send the key encrypted with an asymmetric cipher
- Summary of Symmetric vs. Asymmetric Encryption. In symmetric encryption, both algorithms depend on the same secret key. The same key is used to both encrypt and decrypt data. Asymmetric encryption, on the contrary, uses a pair of keys to encrypt and decrypt data; one key is used to encrypt the data and the other key is used to decrypt the data. In a nutshell, asymmetric encryption is more secure, thanks to its ability to encode information without sharing the same encryption key.
- Asymmetric encryption comes into action at the time of initializing encrypted conversation between the users, whereas symmetric encryption comes in for the duration of the communication
- Symmetric Vs. Asymmetric Encryption. Find here the key difference between Symmetric VS asymmetric encryption of data transfer. KEY; In symmetric encryption, there is a single key, whereas, in asymmetric encryption, there is a pair of related keys - public and private, used for coding and decoding the text. SPEE
- Confused between symmetric vs asymmetric encryption? We're here to provide you with some clarity on this complex topic by breaking down these encryption types and providing examples . Symmetric vs asymmetric encryption. As if understanding the term encryption wasn't hard enough, you're now expected to understand the different types of encryption! Well, that's just how the world.

Key differences between symmetric and asymmetric encryption:-Symmetric encryption involves only one key e.i session key. While asymmetric encryption uses two keys e.i public and private key. Symmetric encryption is faster and simpler than asymmetric encryption. Symmetric encryption is preferable over asymmetric encryption when a large file transfer is concerned. Asymmetric encryption is used. * What is the difference between Symmetric Encryption and Asymmetric Encryption? • Symmetric Encryption uses a single secret key that needs to be shared among the people who needs to receive the message while Asymmetric encryption uses a pair of public key*, and a private key to encrypt and decrypt messages when communicating

* Two of the biggest differences between symmetric and asymmetric encryption are: 0 reactions*. The types of algorithms that they use,

Encryption is one such method to protect discreet information being transferred online. The Encryption technique is employed in two ways, namely Symmetric Encryption and Asymmetric Encryption. Before getting to the difference between Symmetric and Asymmetric encryption, let's clear a few concepts first. Encryption & Cryptographic Key Difference between Symmetric and Asymmetric Encryption. The first variance that makes the two different is that symmetric encryption uses one key to both encrypt and decrypt the information (Kahate, 2013). It means that the sender and the receiver share the same key. For example, when the sender sends an encrypted message, for the receiver to. ** The main difference between symmetric and asymmetric encryption is that the symmetric encryption uses the same key for both encryption and decryption while the asymmetric encryption uses two different keys for encryption and decryption**.. It is important to ensure that information shared over the internet is secure. It becomes more vital when exchanging confidential data With asymmetric encryption, the public key is used to encrypt the information, and the private key is used to decrypt it. Public keys and private keys are two separate things, but they go hand-in-hand. For instance, you can compose a message and encrypt it with the recipient's public key. The recipient's system will then decrypt that message using their private key when they receive the email Two of the biggest differences between symmetric and asymmetric encryption are: The types of algorithms that they use, and The sizes (lengths) of their respective keys

Common asymmetric encryption techniques include RSA, DSA, and PKCS. Key differences. Now that we have a basic understanding of both the encryption types, let's glance through the key differences between them. Symmetric encryption is an old technique, while asymmetric encryption is the newer one. Asymmetric encryption takes longer to execute. Thus symmetric keys are transferred among parties using asymmetric encryption, ensuring that the symmetric key remains encrypted. Two different keys are now involved in encrypting and decrypting the data. Symmetric encryption is comparably much faster than asymmetric encryption, which is why it is still used massively today

The former is symmetric encryption, while the latter is called asymmetric encryption. Types of encryption: Symmetric Encryption . First up, we have symmetric cryptography. With this type of key cryptography, the sender and receiver of a message share a single key. This key serves as a shared secret between the two parties involved during the. The difference between steganography and encryption is that the would-be snoopers may not be able to tell there's any hidden information in the first place. Symmetrical Encryption. This is the simplest kind of encryption that involves only one secret key to cipher and decipher information. Symmetrical encryption is an old and best-known. Encryption types can be easily divided into these two categories: symmetric encryption, or single-key encryption, and asymmetric encryption, or public-key encryption. Symmetric Encryption. In symmetric encryption, there is only one key, and all parties involved use the same key to encrypt and decrypt information Symmetric Encryption, Asymmetric Encryption, and Hashing. Differences between Hash functions, Symmetric & Asymmetric Algorithms. Benefits of Using Encryption Technology for Data Protection. Thank you for those links. I found them very helpful especially the first one

The biggest difference between hashing and other types of encryption is that once data is secured, the process cannot be changed or read in any way, shape or form. This means that even if a potential attacker were able to obtain a hash, he or she would not be able to use a decryption method to discover the contents of the original message. Some common hashing algorithms are Message Digest 5. Symmetric vs. Asymmetric Encryption. In contrast to asymmetric encryption, symmetric encryption uses only one key for both encryption and decryption. Generally speaking, the encryption algorithms used for symmetric encryption are less complex than those used for asymmetric encryption, which usually makes asymmetric encryption more secure than. The differences between symmetric and asymmetric cryptography are explained below:Symmetric Cryptography:Symmetric encryption requires a single key known only to the authorized parties. Symmetric encryption uses the same key to both encrypt and decrypt. The most commonly used symmetric encryption algorithms include DES, 3DES,AES, and RC4. 3DES and AES are commonly used in IPsec and othe *As @Schroeder points out, PGP actually implements a solution such that symmetric encryption is used to encrypt data, and asymmetric encryption is used to encrypt the key, since asymmetric encryption can't encrypt anything larger than its own key size. This bundle is commonly referred to as asymmetric encryption even though it's a hybrid model

What is the difference between encrypting and signing in asymmetric encryption? Combining symmetric and asymmetric encryption. Many applications take advantage of the combination of symmetric and asymmetric encryption together. When both, symmetric key and asymmetric key cryptography, are combined, it most likely follows this methodology: The plaintext is encrypted to ciphertext utilising. What is a difference between symmetric and asymmetric encryption algorithms? Symmetric algorithms are typically hundreds to thousands of times slower than asymmetric algorithms. Symmetric encryption algorithms are used to authenticate secure communications. Asymmetric encryption algorithms are used to repudiate messages In symmetric encryption, the same key both encrypts and decrypts data. For symmetric encryption to work, the two or more communicating parties must know what the key is; for it to remain secure, no third party should be able to guess or steal the key. How are asymmetric encryption and symmetric encryption used for TLS/SSL? TLS, also known as.

Asymmetric Encryption: It is slightly different from Symmetric encryption. In asymmetric encryption, two different keys used for encryption and decryption. For example, when you send a mail to your friend on Gmail, the public key is required for encrypting the message. From the other side, if your friend wants to read your message, the private key is necessary to him for decode ** The time difference between the two methods will increase linearly as the amount of data increases**. One may also ask, is AES symmetric or asymmetric encryption? If the same key is used for both encryption and decryption, the process is said to be symmetric. If different keys are used the process is defined as asymmetric. Two of the most widely used encryption algorithms today are AES and RSA.

Encryption is what makes secure data exchanges possible on the internet — let's explore the differences between symmetric vs asymmetric encryption. Asymmetric vs symmetric encryption. Not sure what these terms are or what they mean in relation to your life? Let's put this into terms that'll help you understand their importance immediately. Encryption is everywhere. From sending emails. The most fundamental difference between symmetric and asymmetric encryption can be summed up simply: Asymmetric encryption is more secure, but is much slower to use than symmetric encryption. This difference is due to the various ways in which each scheme implements the principles of cryptography. The process of exchanging keys in asymmetric encryption is much more complicated than the. 8 Difference Between Symmetric And Asymmetric Encryption. SHARE. Facebook. Twitter. What Is Symmetric Encryption? Symmetric encryption is a type of encryption whereby only one cryptographic key (secrete key) is used to both encrypt and decrypt electronic information. The entities communicating through symmetric encryption must exchange the key so that it can be used in the decryption process. Symmetric & Asymmetric encryption both play a major role in SSL. Click here to learn more about the two types of encryption and how they affect SSL. December 1, 2017 1,790,768 views. How to Fix 'ERR_SSL_PROTOCOL_ERROR' on Google Chrome in Everything Encryption November 2, 2018 1,582,908 views. 5 Ways to Determine if a Website is Fake, Fraudulent, or a Scam - 2018 in Hashing Out Cyber.

** The way an asymmetric encryption algorithm works is that if someone encrypts data using your public key, only your private key can be used to decrypt the data**. So as long as you keep the private key safe, no one can decrypt the data even if they have your public key. Figures 3 and 4 show this idea: Figure 3: Figure 4: With respect to SQL Server, it can do the key handling for us. So if we let. Graphic: In this blog post, we discuss the differences between symmetric encryption, a single-key encryption technique, and asymmetric encryption, als

** Overview: Symmetric vs**. Asymmetric Encryption . Secure file transfer protocols generally employ a combination of symmetric and asymmetric encryption to preserve the confidentiality of data while in transit. So why the need for two kinds of encryption? What is the difference between symmetric and asymmetric? In this post, we take a closer look. Symmetric vs. Asymmetric Encryption Differences. Symmetric vs. Asymmetric Encryption Differences. Sign in Join. Home; Don't Miss; Celebrity Gossip; Life Style; fashion; Technology; Education; Travel; movies & webseries; Sign in. Welcome! Log into your account. your username. your password. Forgot your password? Sign up. Welcome! Register for an account. your email. your username. A password. A fundamental topic of IT security that often gives people difficulty is understanding the difference between symmetric, asymmetric encryption, and hashing. While each has specific uses, a robust communications encryption solution will typically implement all three. Symmetric Encryption. Symmetric encryption may also be referred to as shared key or shared secret encryption. In symmetric. Asymmetric encryption systems are better suited to sending messages than symmetric encryption systems. However, they are more complex and it takes more resources for computers to complete the key generation, encryption, and decryption algorithms. They are therefore less suited to tasks that can be performed using symmetric encryption The differences between Asymmetric and Symmetric encryption are: Asymmetric Encryption Symmetric Encryption . It uses different keys for encryption and decryption. It requires a single key for both encryption and decryption. The encryption process is slow. The encryption process is very fast

There are two types of cryptographic keys, and they are, Symmetric Key and an Asymmetric Key. Symmetric Encryption. Symmetric encryption is a traditional process of Encryption. It is also the sim What is the difference between Symmetric Encryption and Asymmetric Encryption? • Symmetric Encryption uses a single secret key that needs to be shared among the people who needs to receive the message while Asymmetric encryption uses a pair of public key, and a private key to encrypt and decrypt messages when communicating. • Symmetric. TLS uses asymmetric encryption to first establish the identity of one or both parties. Secondly, it uses asymmetric encryption to exchange a key to a symmetric cipher. So asymmetric is only used during the initial setup of communication. Symmetric encryption which is used through the rest is faster and more efficient with large amounts of data transfer. The keys are smaller which is generally. **Difference** **Between** **Asymmetric** **and** **Symmetric** Multiprocessing: In **asymmetric** multiprocessing, the processors are not treated equally. In **symmetric** multiprocessing, all the processors are treated equally. Tasks of the operating system are done by master processor. No Communication **between** Processors as they are controlled by the master processor Security+ Training Course Index: https://professormesser.link/sy0501Professor Messer's Success Bundle: https://professormesser.link/501successProfessor Messe..

Difference Between Symmetric and Asymmetric Encryption Difference Between Symmetric and Asymmetric Key Cryptography. There are Read More. Difference Between Active and Passive Attacks Difference Between Active and Passive Attacks in Tabular Form The major difference between active and Read More . Difference Between Monoalphabetic Cipher and Polyalphabetic Cipher Difference Between. * The key difference between asymmetric and symmetric encryption is that symmetric encryption uses one secret key that has to be shared among the sender and recipient of the message*, while asymmetric encryption utilizes a private key and a public key to decrypt and encrypt messages during communication Root Causes 123: Asymmetric Versus Symmetric Encryption. One of the cornerstones of the success of PKI and digital certificates is their dependence on an asymmetric encryption model. In this episode our hosts explain the difference between asymmetric and symmetric secrets and how they fit into encryption. Original Broadcast Date: October 1, 2020 Symmetric encryption is a method of encryption where electronic communication is twain encrypted and decrypted using just one key (a hidden key). The key must be shared between individuals communicating through symmetric encryption so that it can be utilised in the procedure of decryption. This procedure of encryption changes from asymmetric. Encryption is one such method to protect discreet information being transferred online. The Encryption technique is employed in two ways, namely Symmetric Encryption and Asymmetric Encryption. Before getting to the difference between Symmetric and Asymmetric encryption, let's clear a few concepts first. 3

Another difference between symmetric and asymmetric algorithms is the performance and size. Symmetric encryption is faster and used to encrypt a large data sets. Asymmetric is well suited for encrypting a small messages. But using these two strategies lead you to implement a robust security system in your application Now, unlike a symmetric cryptosystem, asymmetric cryptography works by having two different keys (one for encryption and one for decryption), which are related by some mathematical process. For example, in the popular RSA scheme used with SSL/TLS the public and private keys consist in part of the product of two large prime numbers, and so making an RSA key starts with picking two random primes A major difference between both is that the symmetric key uses the same private and secret key for decryption whereas public key encryption makes use of both a public and private key. Parties need to be aware of the key in symmetric key encryption. On the other hand, there is no need for that in public key encryption. Just any of the keys is known by the two groups in public key encryption as.

Asymmetric-Key Algorithms. Asymmetric-key algorithms work in a similar manner to symmetric-key algorithms, where plaintext is combined with a key, input to an algorithm, and outputs ciphertext. The major difference is the keys used for the encryption and decryption portions are different, thus the asymmetry of the algorithm What is symmetric encryption? What is asymmetric encryption? In symmetric encryption, the exact same key is used on both sides of a conversation, for both encrypting and decrypting. In a session that uses symmetric encryption, multiple keys can be used, but a message that is encrypted with one key is decrypted with that same key Main Differences Between Encryption and Cryptography. The main difference between the two terminologies is of Cryptography being a bigger process, of which Encryption is just a part. There are two types of Encryption: Symmetric and Asymmetric but there are many types of Cryptography now adding every now and then to make our online activities as secure as they can be. Cryptography is a much. * Symmetric is fast, easy to use, not CPU-intensive; while asymmetric is very CPU intensive, slow, and harder to encrypt*. Steven: From a technical perspective, a lot of the same forms and encryption are used whether in transit or at rest. How those encryption algorithms are applied is a little bit different and probably beyond the scope Symmetric encryption is generally more efficient than asymmetric encryption and therefore preferred when large amounts of data need to be exchanged. Establishing the shared key is difficult using only symmetric encryption algorithms, so in many cases, an asymmetric encryption is used to establish the shared key between two parties

Adjective (en adjective) Symmetrical. (set theory) Of a relation R'' on a set ''S'', such that ''xRy'' if and only if ''yRx'' for all members ''x'' and ''y'' of ''S (that is, if the relation holds between any element and a second, it also holds between the second and the first). Is a sibling of is a symmetric relation. (cryptography) Using the same key (or keys that are trivially related. Asymmetric vs Symmetric Encryption: Definitions & DifferencesThis is why symmetric encryption is also known as private key encryption, private key cryptography, secret key encryption, secret key encryption, secret key cryptography, and symmetric cryptography. Asymmetric encryption algorithms, on.. Both keys are different (but related). The public key, is available to everyone who wishes to send a message. On the other hand, the private key is kept at a secure place by the owner of the public key. Asymmetric Encryption: A public key is used to encrypt plaintext into ciphertext whereas a private key is used to decrypt a ciphertext. As they involve a pair of keys, asymmetric algorithms.

**Symmetric** **and** **Asymmetric** **Encryption** GUSTAVUS J. SIMMONS Sandm Laboratories, Albuquerque, New Mexico 87185 All cryptosystems currently m use are symmetrm m the sense that they require the transmitter and receiver to share, m secret, either the same pmce of reformation (key) or one of a paLr of related keys easdy computed from each other, the key is used m the **encryption** process to introduce. Last time around, when i wasn't too sure about the difference between symmetric and asymmetric encryption, i had a hard time finding a quick and clear answer. So id like to try and give one here. The difference between symmetric and asymmetric is simple, It is whether of not the same key is used for both encryption and decryption. Symmetric In the case of symmetric encryption the same key is.

Encryption Please respond to the following:Examine the fundamental differences and similarities between asymmetric and symmetric encryption. Recommend one (1) application for which each encryption method is best suited. Provide a rationale for your response.Use the Internet to research two (2) cyber attacks on companies within the past five (5) years Confidentiality can be preserved by both asymmetric and symmetric encryption since they encrypt the data so it cannot be looked at by a third party. Authentication is delivered by digital signatures, certificates-- which we'll cover in the next module-- and message, or authentication codes which are associated with symmetric encryption. These each cover different aspects of authentication. And. The difference between the symmetric and asymmetric models of communication is that symmetrical communication provides a more balanced form of communication between the organization and its publics instead of one party having more power than the other in asymmetrical communication. Subsequently, question is, what are the 4 PR models? The four models are press agentry model, public information. The figure shows the differences between symmetric and asymmetric encryption. Characteristics of symmetric encryption include: use the same key to encrypt and decrypt data; key lengths are short (40 bits - 256 bits); faster than asymmetric encryption; and commonly used for encrypting bulk data such as in VPN traffic

Symmetric encryption uses the same key to both encrypt and decrypt. Asymmetric encryption uses one key to encrypt and a different one to decrypt. If the owner is encrypting, they use the private. Difference Between Symmetric and Asymmetric Encryption. Symmetric encryption uses a single key that must be shared among the people who need to receive the message, while asymmetrical encryption uses a pair—consisting of a public key and a private key—to encrypt and decrypt messages when communicating

* Asymmetric Encryption is much secure than Symmetric Encryption*. Asymmetric Encryption use Public Key & Private key while Symmetric encryption only use one Secret key to encrypt and decrypt the message. In terms of Speed, symmetric encryption is faster compared to Asymmetric encryption. Let's find the differences between symmetric vs. Asymmetric Encryption. Unlike symmetric encryption, here we use different keys for encryption and decryption. Asymmetrical encryption is also known as public key cryptography. Secret keys are exchanged over the Internet or a large network. So in Symmetric encryption, if someone gets the secret key, he can decrypt the message. But asymmetric.

Differences Between Symmetric and Asymmetric Encryption. Symmetric Encryption: Asymmetric Encryption: It refers to using one single key to do both encrypt and decrypt the texts. This is the reason that it is considered simple as compared to asymmetric encryption. Two separate keys are used to encode and decode the message or data. One is the private key and one is the public key. This makes. Symmetric and Asymmetric Encryption. Akshat Srivastava. May 31, 2020 · 7 min read. What is Encryption? According to Cryptography,encryption is the process of encoding information. This process converts the original representation of the information, known as plaintext, into an alternative form known as ciphertext. Only authorized parties can decode a ciphertext back to plaintext and access. The main difference between symmetric encryption and asymmetric encryption. Asymmetric encryption is a technique that has been introduced a long time ago, while asymmetric encryption is a newer technique. Asymmetric encryption takes longer to perform due to the complex logic involved. For this reason, symmetric encryption is still preferred for.

Asymmetric Cryptography. It is also called as public key cryptography. It works in the reverse way of symmetric cryptography. This implies that it requires two keys: one for encryption and other for decryption. The public key is used for encrypting and the private key is used for decrypting Explain the difference between asymmetric and symmetric encryption. - 13567401 santimuper7590 santimuper7590 10/17/2019 Computers and Technology College answered Explain the difference between asymmetric and symmetric encryption. 1 See answer santimuper7590 is waiting for your help. Add your answer and earn points.. What is a difference between symmetric and asymmetric encryption algorithms? Symmetric algorithms are typically hundreds to thousands of times slower than asymmetric algorithms. Symmetric encryption algorithms are used to authenticate secure communications. Asymmetric encryption algorithms are used to repudiate messages. Symmetric encryption algorithms are used to encrypt data Asymmetric and symmetric encryption are typically used together: use an asymmetric algorithm such as RSA to securely send someone an AES (symmetric) key. The symmetric key is called the session key; a new session key may be retransmitted periodically via RSA. This approach leverages the strengths of both cryptosystems. Use the slower and weaker asymmetric system for the one part that symmetric.

In the second milestone writing assignment, you will analyze asymmetric and symmetric encryption. Evaluate the differences between the two of them and which one that you would determine is the most secure. The writing assignment requires a minimum of two written pages to evaluate the history. You must use a minimum of three scholarly articles to complete the assignment. The assignment must be. symmetric-key: It only needs one key to encrypt the message. And both user only need the same key to decode the message. And the in order to create the key is by moving the bit. asymmetric-key: It needs two different keys- public key and private key. Everyone can see the public key and only the person who has private key can decode the message Types of data encryption. Difference between symmetric and asymmetric. Encryption Methods. Data Encryption Standard (DES). Public Key Cryptosystem CONTENT 3. Data encryption refers to mathematical calculations and algorithmic schemes that transform plaintext into cyphertext, a form that is non-readable to unauthorized parties. The recipient of an encrypted message uses a key which triggers the. The fundamental difference between symmetric key systems and asymmetric key systems is that symmetric key systems do which of the following? A) Use the same key on each end B) Use different keys on each end C) Use multiple keys for non-repudiation purposes D) Use public key cryptography. A) Use the same key on each end. Last week, one of the users in your organization encrypted a file with a. In this technique, asymmetric encryption is used to exchange the secret key, symmetric encryption is then used to transfer data between sender and receiver. 2.5 Compared Algorithms. This section intends to give the readers the necessary background to understand the key differences between the compared algorithms

The Differences Between Asymmetric and Symmetric Key Cryptography. Now that we have provided a starting point into Asymmetric Cryptography, it is important at this juncture to review some of the important distinctions and the differences between this and Symmetric Cryptography. First, with Symmetric Cryptography, the complete 100% secrecy of the key must be assured, but as it has been. Asymmetric Encryption - uses 2 kinds of key, a public and a private key. Public key - will act as a shared key for you and the receiver. Private key- is for the receiver to decrypt the file you sent. Symmetric Encryption - uses only one key to be shared with everyone. It allows many people to decrypt a single file using the same key To encrypt data, PGP generates a symmetric key to encrypt data which is protected by the asymmetric key. Asymmetric encryption uses two different keys for the encryption and decryption processes of sensitive information. Both keys are derived from one another and created at the same time. This key pair is divided and referred to as a public key. Symmetric is a related term of antisymmetric. In context|set theory|lang=en terms the difference between symmetric and antisymmetric is that symmetric is (set theory) of a relation r'' on a set ''s'', such that ''xry'' if and only if ''yrx'' for all members ''x'' and ''y'' of ''s (that is, if the relation holds between any element and a second, it also holds between the second and the first. Symmetric encryption is an old technique, while asymmetric encryption is the newer one. Asymmetric encryption takes longer to execute because of the complex logic involved. For this reason, symmetric encryption is used when transmitting data in bulk. Asymmetric data is more secure because it uses different keys for the encryption and decryption.