Stream Ciphers, Block Ciphers and Block Cipher Modes Problem solving task

ProfAnny
codes.txt

Question 1: LFSR: L = 5 T = 11000 S = 00101 Plaintext: Bridgeport Question 2: P1: go overseas C1: E4 F8 4F 2B 2C A1 E2 76 F7 22 11 C2: EC F9 4F 26 3F AA F5 63 FB 37 11 Question 6: Message: its on the cards IV: 48475E60193F84658365365372677633 MAC: 7B 1C 13 53 15 A4 66 BD 79 03 26 A1 EA C9 54 F8