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aleksandrvk [35]
3 years ago
15

Alice and Bob decide to communicate using NTRUEncrypt with parameters (N, p, q) = (7, 3, 29). Alice’s public key is h(x) = 3 + 1

4X − 4X2 + 13X3 − 6X4 + 2X5 + 7X6 . Bob sends Alice the plaintext message m(x)= 1+ X − X2 − X3 − X6 using the random element r(x) = −1 + X2 − X5 + X6.
(a) What ciphertext does Bob send to Alice?

(b) Alice’s private key is f(x) = −1 + X − X2 + X4 + X6 and F 3(x)=1+ X + X2 + X4 + X5 − X6. Check your answer in (a) by using f and F 3 to decrypt the message.
Computers and Technology
1 answer:
Andrei [34K]3 years ago
4 0

Answer:

Security Innovation NTRU cryptographic software invention and reference source code for NTRUEncrypt are released to public domain under CCO 1.0 license.

Invention U.S. Patent No. U.S. Issue Date U.S. Application No. U.S. Filing Date Countries

Public key cryptosystem method and apparatus 6,081,597 Jun 27, 2000 08/914,449 Aug 19, 1997 US, Japan, Canada, Australia, Israel, China, Europe

Ring-based public key cryptosystem method 6,298,137 Oct 2, 2001 09/543,708 Apr 5, 2000 US, Europe, Canada

Speed enhanced cryptographic method and apparatus 7,031,468 Apr 18, 2006 09/939,531 Aug 24, 2001 US, Europe, Canada

Explanation:

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A and C

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Cheers

8 0
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MAC address spoofing is a software-enabled technique that can change the hardcoded mac address to any mac address and thus overcome mac address filtering.

<h3>What is MAC spoofing?</h3>

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6 0
2 years ago
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A simple substitution cipher takes each vector (e_i) and assigns it to the vectors [e_{\pi (i)}] in a one-to-one function so as to make them equivalent.

<h3>What is the Hill cipher?</h3>

In 1929, the Hill cipher was invented by Lester S. Hill and it can be described as a poly-graphic substitution cipher that is typically based on linear algebra and it avails a cryptographer an ability to simultaneously operate on more than three (3) symbols.

In Cryptography, the simple substitution cipher is usually viewed as a function which takes each plaintext letter (alphabet) and assigns it to a ciphertext letter. Thus, it takes each vector (e_i) and assigns it to the vectors [e_{\pi (i)}] in a one-to-one function so as to make them equivalent.

Read more on Hill cipher here: brainly.com/question/13155546

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6 0
1 year ago
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