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There are two general types of modern cryptography; symmetric cryptography and asymetric (also known as public key) cryptography. Symetric crypto is where both sides have the same shared encryption key, and that key is used to both encrypt and also decrypt any encrypted information. Symmetric crypto is more efficient (faster) than asymmetric crypto, but asymetric crypto works without having to share a key.

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Q: What is symmetric cryptography?
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Related questions

Is DES symmetric or asymmetric cryptography?

Symmetric


What is the difference between secret key cryptography and symmetric key cryptography?

Secret key cryptography is also known symmetric key cryptography. So there is no difference between the two.


What is a disadvantage of symmetric cryptography?

speed


Difference between symmetric and public key cryptography?

Symmetric key cryptography is also called secret key cryptography. Basic difference between symmetric and public key cryptography is that in symmetric key there only one key while in public key there are two keys one is kept public and other private.


What are the different types of cryptography?

There are 2 types of cryptography such as: 1- Symmetric-key or Secret key Cryptography 2- Asymmetric-key or Public key Cryptography


What is a common symmetric cryptography solution?

AES


The two common techniques of cryptography?

The two techniques are as follows: 1- Symmetric-key Cryptography 2- Asymmetric-key Cryptography


What is an symmetric cryptography?

There are two general types of modern cryptography; symmetric cryptography and asymetric (also known as public key) cryptography. Symetric crypto is where both sides have the same shared encryption key, and that key is used to both encrypt and also decrypt any encrypted information. Symmetric crypto is more efficient (faster) than asymmetric crypto, but asymetric crypto works without having to share a key.


Which is not a disadvantage of symmetric cryptography in IA?

Math algorithms are complex and can easily be broken


What are the disadvantages of symmetric cryptography?

The disadvantage of symmetric cryptography is that it presumes two parties have agreed on a key and been able to exchange that key in a secure manner prior to communication. This is a significant challenge. Symmetric algorithms are usually mixed with public key algorithms to obtain a blend of security and speed.


Difference between symmetric key cryptography and asymmetric key cryptography?

in symmetric key one key uses for both encryption and decryption, but in asymmetric form, two different seprate keys use for decryption and encryption.


How asymmetric cryptography both requires and support the use of symmetric cryptography?

Lmfao - do Richard kays coursework by yourself instead of asking others to answer it for you.


Does symmetric cryptography use the same key to encrypt and decrypt a message?

Yes


What is a disadvantage of symmetric cryptoghrapy?

Symmetric cryptography only requires one key for both encryption and decryption and therefore in some cases are a issue.


What statement relating to access control is accurate?

Symmetric cryptography is impractival when a large group is involved.


What are the steps involved in symmetric cryptography Also explain key management in conventional cryptography using some example?

following steps are involved in symmetric cryptography 1- sender creates a ciphertext message by encrypting the plain text message with a symmetric encryption algorithm and a shared key. 2- the sender sends the ciphertext message to the recipient. 3- the recipient decrypts the ciphertext message into plain text with a shared key.


What is a symmetric encryption?

Symmetric-key algorithms are a class of algorithms for cryptography that use trivially related, often identical, cryptographic keys for both decryption and encryption.


What is kerberos?

Kerberos is a network authentication protocol which utilizes symmetric cryptography to provide authentication for client-server applications.


Which symmetric cryptography solution uses a block size of 64 bits and a key size of 168 bits?

3DES


What does the word symmetric encryption mean?

The term "symmetric encryption" refers to a form of computerized cryptography that uses a singular encryption key to guise an electronic message so that it can be sent in a secure manner.


How is cryptography used?

Cryptography is basically the process of hiding information in order to protect the sensitive information, data or message from unknown attacks for any reasons. Cryptography actually consists of two terms encryption and decryption. The process in which message is ciphered or encrypted is known as encryption and the process in which message is deciphered at recipients end is known as decryption. And this whole process is known as cryptography. Public keys and private keys are used in the process of cryptography. Cryptography can be seen as symmetric and asymmetric. In symmetric cryptography same key is used for both encryption and decryption while in asymmetric different keys are used for both encryption and decryption. Today Cryptography is used in various fields like ATM, e-banking, IT security, Maths etc.


What is the minimum number of cryptographic keys required for secure two-way communications in symmetric key cryptography?

2


How many different keys will be required to give four people the ability to encrypt and decrypt the message using a symmetric cryptography algorithm?

ONEAnswer Explanation: Only one key would be required for everyone to be able to encrypt and decrypt the message. Symmetric cryptography uses the same "shared secret" key for encrypting and decrypting a message. A message encrypted using a symmetric encryption algorithm can be decrypted by anyone with the key. For this reason it is very important to ensure that the key is protected from unauthorized use. One of the primary security issues surrounding the use of symmetric cryptography is the method used to transport the key to users who need it, as most forms of communication are susceptible to eavesdropping.


What is symmetric key cryptography?

Symmetric-key algorithms are a class of algorithms for cryptography that use the same cryptographic keys for both encryption of plaintext and decryption of cipher text. The keys may be identical or there may be a simple transformation to go between the two keys. The keys, in practice, represent a shared secret between two or more parties that can be used to maintain a private information link. This requirement that both parties have access to the secret key is one of the main drawbacks of symmetric key encryption, in comparison to public-key encryption.


What is the difference between symmetric and asymmetric cryptography?

From another user: Symmetric cryptography uses the same secret (private) key to encrypt and decrypt its data whereas asymmetric uses both a public and private key. Symmetric requires that the secret key be known by the party encrypting the data and the party decrypting the data. Asymmetric allows for distribution of your public key to anyone with which they can encrypt the data they want to send securely and then it can only be decoded by the person having the private key. This eliminates the need of having to give someone the secret key (as with symmetric encryption) and risk having it compromised. The issue with asymmetric is that it is about 1000 times slower than symmetric encryption which makes it impractical when trying to encrypt large amounts of data. Also to get the same security strength as symmetric, asymmetric must use strong a stronger key than symmetric.

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