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what is control total and check digit in information system input control?

shivajikobardan
in Computer Science

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41 minutes ago, shivajikobardan said:

can you post some examples of this?

The 1st one can be implemented using hash algorithms MD5, SHA1, SHA256 etc:

https://en.wikipedia.org/wiki/Cryptographic_hash_function

The 2nd can be implemented using Luhn's algorithm or variation of it:

https://en.wikipedia.org/wiki/Luhn_algorithm

Read the articles. There are examples there.

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