recovering the key used to encrypt the string-2

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This assignment consists in recovering the key used to encrypt the string “Hello world” in each of the files that belong to your group. For simplicity, each ciphertext is divided in two files: keysize X bits group [login to view URL], and keysize X bits group Y.iv. The former contains the ciphertext, and the latter the initialization vector. You only need to work on files associated with your group. You can use files for other groups as test cases, if you want.

Cryptography

JavaScript

Python

项目 ID: 15433361

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@catbig

Hi, I can help you and finish in few hours. catbig Relevant Skills and Experience Cryptography Expert Proposed Milestones $50 USD - Complete

$50 USD 在1天之内

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@xychen2

A proposal has not yet been provided

$25 USD 在1天之内

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@kaiserb

Hello, Im available and ca do the job

$35 USD 在2天之内

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@alonh

Hello, I have math and programming expertise, and could be of much help. I warn you, that AES is unbreakable for large keys, but I will optimize my code and do my best. Relevant Skills and Experience Math, Programming. Proposed Milestones $30 USD - Full job done. Can I have the relevant files? Can the program be in C or C++?

$30 USD 在1天之内

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@akshitachauhan17

Studying cryptography so know all the techniques

$30 USD 在2天之内

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@radualexp

Hi there, my name is Alex. From reading your brief and documents I understand you require a brute-force implementation to find the AES-CBC key, given the ciphertext, iv and original message. Relevant Skills and Experience I have a Bachelor Degree in Computer Sciences and 7+ years of experience programming in various languages. Proposed Milestones $20 USD - Delivery of working program Am I incorrect in assuming you have the original (clear/plain) message? ("Hello world" in the docs)

$20 USD 在3天之内