Fixed Length numeric hash code from variable length string in c#

Asked 2009-02-13T23:57:56.830

I need to store fixed-length (up to 8 digits) numbers produced from a variable length strings. The hash need not be unique. It just needs to change when input string changes. Is there a hash function in .Net that does this?

Thanks
Kishore.

c# .net-3.5 hash

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1 Answer

Simple approach (note that this is platform-dependent):

int shorthash = "test".GetHashCode() % 100000000; // 8 zeros
if (shorthash < 0) shorthash *= -1;

answered 2009-02-14T00:04:04.007

Fixed Length numeric hash code from variable length string in c#

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