Encryption and Cryptography
After watching the videos in class, explain what is encryption and cryptography and what are the practical uses for encryption and cryptography in your discipline? Start your discussion indicating your major and field of study; then explain with examples, the terms encryption and cryptography. Include the underlying methods in each topic. Next discuss what is a cryptographic attack. Finally, discuss the practical uses in your discipline/ field of study. Ensure you cite examples.
Cryptography For Beginners;
1. What is encryption and how is it used?
2. What is cryptography and how is it used?
3. What is a symmetric key and an asymmetric key?
4. What is a block cipher and how is it used?
5. What is a message authentication code and how is it used?
6. What is public key cryptography and how is it used?
7. What is a digital signature and how is it used?
8. What is a digital certificate and how is it used?
9. Encryption and cryptography can be used to protect the privacy and security of data.
Cryptography and Encryption
What is encryption and cryptography and usability in different fields?
Encryption and cryptography are two of many tools that can be used to secure communications. Encryption is the process of generating a cipher text from a plain text by taking the plain text and using it to transform it into a cipher text. In cryptography, the same concept was used to protect data from being stolen. In this case, the plaintext is a message, and the cipher text is the encryption key used to encrypt the message through a process of encryption. The method of encryption is used to make the message unintelligible without the key to decrypt the message. In cryptography, the key is a mathematical formula known only to the person who created it and cannot be copied or duplicated.
What is a symmetric key and an asymmetric key?
The history of cryptography is closely associated with the history of computing and the development of computer programming. It has been used in every aspect of human life, from securing messages to protecting identities, commerce, and the economy. Cryptography is used to save information and communications based on the mathematical structure of mathematics and the universe’s physics. If it is not encrypted, it can be used to reveal the content of the message. In cryptography, the message is the plain text, the key is the cipher text, and the algorithm is the algorithm used to encrypt and decrypt the message. The algorithm is a code written in a specific form with a specific purpose, and it is known only to the person who wrote it. The most famous uses of cryptography are in military defense, but it is also used for the security of digital communications. In cryptography, the key to the encrypted message is the shared secret. The key is used to encrypt the message and is only known to the person who created it. The person who created the key is referred to as a cipher.
How to use public key cryptography?
Cryptography refers to the technique of turning regular plain text into incomprehensible text and vice versa. It is a way of storing and sending data to be read and processed only by the people it is meant for. Cryptography may also be utilized for the authentication process, not simply to safeguard data against theft or change (Edurekai, 2018). In the presence of hostile third parties' material known as adversaries, secure communication may be supplied utilizing methods. These approaches are known as encryption. Public and third-party messages may be concealed via a series of protocols. These protocols must be efficiently evaluated and built to keep the communication secret (Coding Tech, 2018).
Cryptography attacks refers to the common image processing manipulations applied on a global and local scale. Some examples include man-in–the-middle, brute force, side channel, replay, and power analysis attacks. Modern cryptography contains some components, such as information security, authentication, privacy, among others.
Relationship between technology and Cryptography and encryption
Cryptography relies significantly on topics like mathematics and computer science in the current world. Cryptography algorithms have been developed such that hostile third parties, sometimes known as opponents, are challenging to break in practice. A realistic attempt to decoding such algorithms would fail, but it may break such a system. So, if a particular ciphertext cannot infer its key characteristics, every method may be referred to as safe. Two branches may be classified as cryptography: Symmetric and Asymmetric. A single key for encoding and decoding is used in the symmetrical method; sending and receiving should have a
common key (Edurekai, 2018). With this technique, the dissemination of the key has been a weak link that leads to a new approach.
Encryption and cryptography can be used to protect the privacy and security of data.
Encryption is among the most efficient and prominent information security technology components of cryptography. The encryption process includes converting data into a different form, called a ciphertext, while the original data to be encrypted is called plaintext. The plaint text is provided with ciphertext algorithms and an encryption key (Edurekai, 2018). You can decrypt this chip text with a valid key. Data saved on a computer must be sent over the Internet or the computer system (Coding Tech, 2018). The authenticity or security of digital information must be preserved when transferring the data over a network; encrypting plays an essential part in ensuring data integrity.
Some key security must be maintained, namely security and privacy, authenticity, and non-repudiation. Authentication requires verification of the origin of the data. Data integrity would verify that since it was delivered, the contents were not altered. The sender could not deny the transmission of the message without repudiation. These significant security considerations are addressed via an encryption procedure. Encryption is symmetrical and asymmetric, as is cryptography. During encoding and decoding, the same hidden key is shared between the sender and receiver (Coding Tech, 2018). On the other hand, the asymmetric method employs two distinct keys, secret and public.