forked from kalmar/DALGLI0
Update 'Zadanie3'
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7e1e1a7348
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20
Zadanie3
20
Zadanie3
@ -84,21 +84,24 @@ def divide(message, poly16):
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check = temp
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check = temp
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return check
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return check
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def decode(message_final,poly16,crc):
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def decode(message,poly16,crc):
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l_poly16 = len(poly16)
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l_poly16 = len(poly16)
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appended_message2 = toBinary(message_final)
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message = bytearray(message, 'ascii')
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obroc = list(appended_message2)
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message = format(int.from_bytes(message, "big"), "b")
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dec = int(crc, 16)
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crc2=bin(dec)[2:]
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msg=message+crc2
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while len(msg) % 8 != 0:
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msg = "0" + msg
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obroc = list(msg)
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for i in range(l_poly16 - 1):
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for i in range(l_poly16 - 1):
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if obroc[i] == "0":
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if obroc[i] == "0":
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obroc[i] = "1"
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obroc[i] = "1"
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elif obroc[i] == '1':
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elif obroc[i] == '1':
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obroc[i] = "0"
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obroc[i] = "0"
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appended_message2 = "".join(obroc)
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msg = "".join(obroc)
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dec = int(crc, 16)
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crc2=bin(dec)[2:]
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msg=appended_message2+crc2
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remainder = divide(msg, poly16)
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remainder = divide(msg, poly16)
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#Poprawione sprawdzanie
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#Poprawione sprawdzanie
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suma = 0
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suma = 0
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@ -135,8 +138,7 @@ def encode(message, poly16):
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message_final = bytearray(message_final, 'ascii')
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message_final = bytearray(message_final, 'ascii')
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ab = bytearray(ab, 'ascii')
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ab = bytearray(ab, 'ascii')
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print("calosc : ", message_final)
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print("calosc : ", message_final)
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print("crc : ", ab)
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print("crc : ", ab)
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poly16 = "10001000000100001"
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poly16 = "10001000000100001"
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