Hopefully, if your system has a Python crc32 checksum, this tutorial can help you.
How to fix Windows crashes
crc32 computes CRC-32 using binary text data. By definition, CRC-32 is part of the 32-bit checksum of each data item. This approach is used to calculate the provided data associated with a 32-bit checksum. This algorithm is not considered a general hashing algorithm. It should only be used as a true checksum algorithm.
Otherwise the values are the same, although you can see this at 0x100000000:
>>>; 0xb1d4025b == 0x4e2bfda5Istdifferent
A quick way to convert 32-bit characters to 32-bit: *
>>> -1311505829 zero percent (1 << 32)2983461467
>>> hex (-1311505829% (1 << 32))"0xb1d4025b"
& 0xFFFFFFFFor sometimes
& (2 ** 32-1)possibly
% (2 ** 32 .))and so on are equivalent ways of doing exactly the same bit pair; The only important thing is that you can read it.
* This only works in languages like parquet integer division like Python (
-3 // == 2 -2); whereas in languages that do truncated integer division, such as Java (
-3 / == number -1), you always get a negative number. And in spoken languages that don't even require this sector mod and go well together like C, all bets are gone - but in C you would just convert all the bytes to whatever type you want.
zlib.crc32 ()method, we can calculate a specific crc32 redundancy checksum (round robin check) for some data. It must return a 32-bit integer.A numeric value using the
Returns: Returns any 32-bit unsigned checksum integer.
Example # 1:
In this figure we can see that we can help you calculate the unsigned 32-bit checksum by generating the method
zlib.crc32 (), those for the data from this evidential method.
'I love Python, hello world'
How is CRC32 calculated in Python?90% 2 Something that's sometimes even faster, so you see the same output: def crc (filename): revert "% X"% (zlib.crc32 (open (filename, "rb"). Reading ( )) & 0xFFFFFFFF) This reads the entire file into memory and calculates this CRC32.72%65%
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binasciiimport# Example pictureprint (binascii.'utf-8 ')))Crc32 text (bytes ("123456789" means "Welcome to Educational"# You can convert binary datatext_bytes = bytes (text, 'utf-8')print (binascii.crc32 (text_bytes))# using the value parameter. Since it turns out that it sucks, the conclusion is# should be as above.print (binascii.crc32 (text_bytes, 0))# Now let's try two factors. At the end of the day, the problem is likely to be# To be equal.print ("do the second parts")#first computer hellotext1 is "Welcome"text1_bytes = # convert bytes (text1, 'utf-8') string to bytestext1_crc = binascii.crc32 (text1_bytes)print ("Welcome", text1_crc)text2 = inches are too informative "text2_bytes = bytes (text2, 'utf-8')# now you use the above checksum as value parameters.text2_crc = binascii.crc32 (text2_bytes, text1_crc)print ("Welcome, this is educational", Text2_crc)# The end result will be the same.