why does cryptographic security tend to increase as the key size gets larger ?
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why does cryptographic security tend to increase as the key size gets larger ?
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- Explain this more What is the tradeoff however with each pass? Answer here: Minimum 200 words addressing tradeoffs. I’m understanding this question, in the way that if we apply ciphers multiple times using the same key then it will either completely negate encryption an even number of encryptions attempts or only apply it once for an odd number of encryption attempts. If we have a secure password, then we can focus on protocols and systems instead of passwordsEach of the following is a true/false statement about a tweakable block cipher (TBC). Place a checkmark next to each true statement. In the questions mentioning E', let E' be a random instance of a TBC and E'(T,X) be the result of using E' with tweak T and input X. Group of answer choices: (1)For TBC security both the current key and tweak in use must be kept secret from adversaries. (2)Each time a new tweak is given to a TBC, the TBC behaves like a new random permutation. (3)When a TBC is used once per tweak its outputs may be considered (4)A TBC is a prominent part of the design of OCB. (5)If X1 ≠ X2, then always E'(T,X1) ≠ E'(T,X2) (6)If T1 ≠ T2, then always E'(T1,X) ≠ E'(T2,X)A password generator creates a 10-character case-sensitive alphanumeric (a-zA-Z0-9) password keyed by pseudo-random number generator that has deterministic output based on a 32-bit seed (e.g., a 32-bit integer) provided by the user. How many passwords are possible? If it takes .0001 seconds to check a password, what will the average length of time be for a successful brute force attack?
- Ciphers can be categorized into several groups based on the nature of transformations performed, Polyalphabetic Substitution is one of the most crack-proof encryption techniques to date. An example of polyalphabetic substitution occurs when using the Vigenere cipher technique shown in the figure below: 1. Use Vigener Cipher technique to find the Ciphertext for the following: Plaintext: ALMADINAHINTERNATIONALUNIVERSITY Key: MEDIU 2. Use Vigener Cipher technique to decrypt the following Ciphertext, i.e find the original message (Plaintext): Ciphertext: WLXKYWJQZOGAUSS Key: MEDIUThis is one question Discuss how the asymmetric encryption algorithm can be used to achieve the following goals with the use of the following technical term abbreviations: pubKS—public-key-for-the-sender;pubKR—public-key-for-the-receiver;priKS—private-key-for-t -sender;priKR—private-key-for-the-receiver. .---you must use these term abbreviations, rather than their complete/long phrases in your solutions! 1.Authentication: the receiver knows that only the sender could have generated the message. 2.Secrecy: only the receiver can decrypt the message. 3.Authentication and secrecy: only the receiver can decrypt the message, and the receiver knows that only the sender could have generated the message.please try to understand the question and provide the correct answer i will give thumb up (like) if your answer is correct and suitable I NEED A VERY GOOD ANSWER AND GOOD EXPLAINITION....I ALREADY POSTED THIS QUESTION BUT NOW I MAKE EASY FOR IT PLZ HELP ME WITH THIS ASAP RSA (Rivest–Shamir–Adleman) and AES (Advanced Encryption Standard) are two different types of ciphers. You are now given two large primes, p and q, a cryptographic hash function H(x).a) DESCRIBE the RSA algorithm. In your description, you should make clear how RSA keys are generated, how a message is encrypted and how a cipher text is decrypted.
- Let 1 = (Gen1;Enc1;Dec1) and 2 = (Gen2;Enc2;Dec2) be two encryption schemes for which it is knownthat only one is CPA-secure. The problem is that you don't know which one is CPA-secure and which onemay not be. Show how can we identify if 1 or 2 is CPA secure.Asymmetric ciphers are more secure because of their asymmetric operations, which can't be reversed. This chapter taught you about many types of asymmetric operations. If so, what asymmetric operations can you come up with?Is it feasible to encrypt the connection and the data end to end? What is the advantage? Give an example of a situation when all encryption methods are beneficial.
- Computer Science must answer ALL parts for upvote, as per chegg guidelines, up to four subparts may be answered. Correct, completed parts are guaranteed an upvote. Thank you. - Explain the concept of two factor authentication and give an example of applications. - One claims that ((x^3 + x + 1)^-1) in GF(2^4) mod (x^4 + x + 1) is (x^2 + x + 1). Prove whether the claim is correct or wrong.The need to find solutions to two significant problems served as inspiration for the development of public key cryptography, the first of which was the problem of key distribution. Explain the process of key distribution in a nutshell by providing an example of how it might be carried out.Hence, organizations with established IAM practices can rapidly adopt cloud services while maintaining the efficiency and efficacy of their security controls.We are aware that a digital signature serves to guarantee the validity and purity of data. a) Since checksums add up all the message's bits (or blocks), are they a viable method to build digital signature schemes? Consider a hash function, such as Sign(M)=h(M).b) If we create a signature using a hash in a trickier manner, as in Sign(k,m) = = h(k) XOR m XOR h(m), then m, will be transmitted. Would this warning be trustworthy? Describe in detail. Please refrain from using chegg or other AI tools like chat GPT.