Cryptology homework

Cryptology homework
Complete the two problems

1. Try to 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. Try to 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

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