There are different type of techniques are used for the sake of the encryption of documents or data. One of the important methods used for the sake of such purpose is the cipher. Literally it is defined as the type of technique of data encryption to restrict the use of the particular data or the text with the help of or by using different type of algorithmic methods is called as cipher and the text passing through this process is called as the cipher text. There are different types of ciphers but the two common type or the forms of the cipher are the symmetric and the asymmetric ciphers.
A type of cipher used for the data encryption and made it unreadable object for the other by using the same or the identical type of algorithmic key for encrypted or decrypted the required data is called as the Symmetric Ciphers. They keys that re used be the systems having symmetric ciphers can share these keys with the decryption modules so, that is whey they are also called as the shared symmetric ciphers. The working performance of the symmetric ciphers is quite faster as compared to the asymmetric ciphers. So, symmetric ciphers are the better way to protect the private or the personal information.
How Symmetric Cipher Works?
The working of the symmetric cipher is quite simple and not very complicated because there is only one key is used by both the parties to encrypt the data or the information. So first of the before encrypting that data between two places two parties have to agree to use the same key algorithm for the sake of symmetric data encryption. Then one party sends the data using the key then this key will exchange with the other and then by using the same key receiver decrypt the data easily. But there are some security problems while exchanging the key between the parties.
Types of Symmetric Ciphers:
There are two different type of symmetric ciphers are used to encrypt or decrypt the message or the information between the two parties such as
- Stream Ciphers
- Block Ciphers
Stream cipher can use the fragment to encrypt while the block ciphers have ability to deal it like a single part.
Another important type of encryption with the help of cipher ids the asymmetric cipher, it is quite similar to that is the symmetric ciphers but the only different between the symmetric and the asymmetric cipher is that the key used for the encryption and decryption are not identical. So, there are two different forms of keys used in the process, one is called as public key and other is private. Users can use the public key locally for sharing whereas the private key is the secret one. The systems are called as asymmetric because when users using this cipher to transmit text so he use public key to encrypt and the receiver use private key to decrypt that is why the system is called so.
How Asymmetric Cipher Works?
As it is cleared from the name and the introduction that two different types of keys are used in the encryption carried out between two parties through this asymmetric cipher. All the working of the asymmetric cipher depends upon the receivers because they do lot of software changes in the generation of the two key then one key that is public sends to the sender for encryption and other remain there at receiving end for decryption. These are some strategies of then working of the asymmetric ciphers. They are little slower then the symmetric ciphers but can be faster by fusion with SC.