2 Many cryptographic applications support a range of diffterent cryptographic al
ID: 3702215 • Letter: 2
Question
2 Many cryptographic applications support a range of diffterent cryptographic algorithms (a) Which of the applications discussed in this chapter support a range of cryptographic algorithms, rather than recommending a fixed encryption (b) Discuss the pros and cons of supporting a range of cryptographic algorithms (c) Why might a relatively weak cryptographic algorithm be included amongst (d) What security issues might arise from including a relatively 'weak crypto- algorithm? in an application a set of supported cryptographic algorithms? graphic algorithm in a set of supported cryptographic algorithms?Explanation / Answer
Answer :
A cipher, or cryptographic algorithm, is the methods for adjusting information from a coherent shape (otherwise called plaintext) to an ensured frame (otherwise called ciphertext), and back to the meaningful form.Changing plaintext to ciphertext is known as encryption, though changing ciphertext to plaintext is known as decryption.
Sorts:
1. Triple DES
Triple DES was intended to supplant the first Data Encryption Standard (DES) algorithm,which hackers eventually learned to defeat with relative ease. At one time, Triple DES was the suggested standard and the most generally utilized symmetric algorithmin the business.
2.RSA
RSA is AN open key encoding algorithmand the quality for coding data sent over the net.It likewise happens to be one in every of the methods utilised as a vicinity of our PGP and GPG programs.
3. Blowfish
Blowfish is yet another algorithmintended to supplant DES.This symmetric cipher parts messages into squares of 64 bits and scrambles them independently.
Cons:
If you have fixed encryption algorithm then there may be chance of risk will happen compared to unfixed encryption algorithm.
Pros: It will be easy for developers to develop the algorithm for all the devices in the same manner rather than finding individually where it takes more time
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