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Problem #2 The following encrypted message is a key piece of evidence used during the recent Martha Stewart trial: BNBPPKZAVQZLBJ

Problem #2 The following encrypted message is a key piece of evidence used during the recent Martha Stewart trial: BNBPPKZAVQZLBJ

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Program in python. Decrypt the message. The private key d is 308850299
**Problem #2** The following encrypted message is a key piece of evidence used during the recent Martha Stewart trial: **BNBPPKZAVQZLBJ** The prosecution team was well aware that Martha is fond of the RSA encryption scheme and that her published public key is \((n, b) = (536813567, 3602561)\). Furthermore, in addition to her predilection for doilies and throw pillows, she is predisposed to dealing with plaintext messages in 6-letter blocks using the usual 26-letter alphabet (converted to an integer between 0 and \(26^6 - 1\) in the usual way) and ciphertext messages in 7-letter blocks in the same alphabet. What did the prosecution team learn from Martha’s message? Please comment on the particulars of the RSA cryptosystem used by Martha.
Transcribed Image Text:**Problem #2** The following encrypted message is a key piece of evidence used during the recent Martha Stewart trial: **BNBPPKZAVQZLBJ** The prosecution team was well aware that Martha is fond of the RSA encryption scheme and that her published public key is \((n, b) = (536813567, 3602561)\). Furthermore, in addition to her predilection for doilies and throw pillows, she is predisposed to dealing with plaintext messages in 6-letter blocks using the usual 26-letter alphabet (converted to an integer between 0 and \(26^6 - 1\) in the usual way) and ciphertext messages in 7-letter blocks in the same alphabet. What did the prosecution team learn from Martha’s message? Please comment on the particulars of the RSA cryptosystem used by Martha.
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