
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Describe the terms “plaintext,” “ciphertext,” and “secret key” as they apply to symmetric encryption
Cryptographic systems are characterized along three independent dimensions. What are these three dimensions?
The term “strong encryption” refers to encryption schemes that make it impractical for unauthorized persons to gain access to plaintext that has been encrypted. What properties are characteristic of a strong encryption
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- As said, symmetric encryption has its applications, but asymmetric encryption techniques like public key cryptography offer many advantages.arrow_forwardAsymmetric ciphers' irreversible operations make them more secure. This chapter covered various asymmetric operations. What asymmetric operations can you think of?arrow_forwardWhile attempting to decipher a short message, assaults on a cipher provide a greater challenge since they are more difficult to break.arrow_forward
- It is prudent to use public-key cryptography and other forms of asymmetric encryption. Proof of this may be seen in the use of public keys in cryptography.arrow_forwardDoes dependable key generation software for use in cryptographic protocols exist as desktop computer software?arrow_forwardIs it true that using symmetric encryption techniques comes with a set of advantages as well as a set of disadvantages? What kinds of things should be taken into account before deciding on a certain method of encryption to put into practise?arrow_forward
- What are the flaws in a secret cryptography technique's design?arrow_forwardAs was said before, symmetric encryption methods have their uses, but asymmetric encryption methods, such as public key cryptography, provide a number of distinct benefits.arrow_forwardUsing public-key cryptography or another kind of asymmetric encryption is a good idea. One such use is public-key cryptography.arrow_forward
- Asymmetric and symmetric encryption schemes have equal benefits and drawbacks. How does one decide what kind of encryption to use and what factors need to be taken into account?arrow_forwardCryptanalysis can be achieved through exhaustive key search for a Caesar Cipher. Explain how this would be accomplished.arrow_forwardPublic-key cryptography or any other form of asymmetric encryption is recommended. Cryptography's use of public keys is evidence of this.arrow_forward
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