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Cryptology homework

Cryptology homework

This should only take about 5 minutes. I don’t know how to input the probem info. on the free online site that decrypts. I keep doing something wrong. I would also like to know how to input the info. (which & where) for future reference. Thank you!

1. Figure out the secret message using the data provided below. Encryption: AES with ECB coding Ciphertext (encrypted code): d5 52 03 08 25 54 f2 40 64 1a 11 4f 88 eb e1 58 Key in HEX code: 69 72 73 63

2. Figure out the secret message using the data provided below. Encryption: AES with CBC (cipher block chaining) Ciphertext (encrypted code): 16 ea b9 16 7b 9d db eb 4b 91 0e 34 d4 38 79 90 Key in HEX code: 69 72 73 63

Initialization Vector: FD 42 56 A2 00 00 00 67 00 07 00 90 00 B2 00 01
Hint: You may have to convert the key from HEX code to ASCII before you can use it. To convert HEX to ASCII https://www.easycalculation.com/asciicon.php To run decryptionhttp://aes.online-domain-tools.com/

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