5. Cryptography a) Emily is preparing their RSA keys. They use p = 3, q = 11, and d = 13. Find the public key that they will broadcast. b) Emily's wife, Raven, encrypts two messages using that public key and gets 'B'=2 and 'O'=15. What were the plaintext messages? Note: the messages were encoded using the following correspondence: A BCDEFGHIJKLM 1 2 3 4 56 7 8 9 10 11 12 13 NO PQRSTUV w XYZ 14 15 16 18 19 20 21 23 24 26

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5. Cryptography
a) Emily is preparing their RSA keys. They use p = 3, q = 11, and d = 13. Find the
public key that they will broadcast.
b) Emily's wife, Raven, encrypts two messages using that public key and gets 'B'=2 and
'O'=15. What were the plaintext messages?
Note: the messages were encoded using the following correspondence:
A BCDE FGHIJKLM
1 2 3 4 56 78 9 10 11 12 13
NOPQRSTU V W XY Z
14 15 16 17 18 19 20 21 22 23 24 25 26
Transcribed Image Text:5. Cryptography a) Emily is preparing their RSA keys. They use p = 3, q = 11, and d = 13. Find the public key that they will broadcast. b) Emily's wife, Raven, encrypts two messages using that public key and gets 'B'=2 and 'O'=15. What were the plaintext messages? Note: the messages were encoded using the following correspondence: A BCDE FGHIJKLM 1 2 3 4 56 78 9 10 11 12 13 NOPQRSTU V W XY Z 14 15 16 17 18 19 20 21 22 23 24 25 26
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